wangmingxing 7 months ago
commit 96e61976c2

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.content.Context; // 导入Android上下文类用于访问系统资源
import android.database.Cursor; // 导入Android游标类用于查询数据库
import android.provider.ContactsContract.CommonDataKinds.Phone; // 导入Android联系人电话信息类
import android.provider.ContactsContract.Data; // 导入Android联系人数据类
import android.telephony.PhoneNumberUtils; // 导入Android电话号码工具类
import android.util.Log; // 导入Android日志工具类
import java.util.HashMap; // 导入Java哈希表类用于缓存查询结果
public class Contact {
// 静态的哈希表,用于缓存电话号码和对应的联系人姓名
private static HashMap<String, String> sContactCache;
// 日志标签,用于在日志中标识来自该类的消息
private static final String TAG = "Contact";
// SQL查询条件用于查找与给定电话号码匹配的联系人信息
// 使用PHONE_NUMBERS_EQUAL函数比较电话号码确保号码格式的一致性
// 限制数据类型为电话号码类型,并通过子查询确保电话号码的最小匹配字符为'+'
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ "(SELECT raw_contact_id "
+ " FROM phone_lookup"
+ " WHERE min_match = '+')";
// 根据给定的电话号码获取联系人的姓名
public static String getContact(Context context, String phoneNumber) {
// 如果缓存为空,则初始化缓存
if(sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
// 检查缓存中是否已有该电话号码对应的联系人姓名
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber); // 如果存在,则直接返回缓存中的姓名
}
// 构造SQL查询条件将占位符"+"替换为电话号码的最小匹配字符
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 执行数据库查询,获取与电话号码匹配的联系人姓名
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI, // 查询联系人数据表
new String [] { Phone.DISPLAY_NAME }, // 需要查询的字段:联系人显示名称
selection, // 查询条件
new String[] { phoneNumber }, // 查询条件中的占位符参数
null); // 排序条件这里为null表示不排序
// 检查查询结果是否为空且是否可以移动到第一行
if (cursor != null && cursor.moveToFirst()) {
try {
String name = cursor.getString(0); // 获取联系人显示名称
sContactCache.put(phoneNumber, name); // 将查询结果存入缓存
return name; // 返回联系人姓名
} catch (IndexOutOfBoundsException e) {
// 如果发生数组越界异常记录错误日志并返回null
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
cursor.close(); // 关闭游标,释放资源
}
} else {
// 如果没有找到匹配的联系人记录调试日志并返回null
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;
}
}
}

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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* 使
*
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
*
*
*
*
*/
package net.micode.notes.data;
import android.net.Uri;
// 定义了一个名为Notes的类包含了与笔记应用相关的常量和接口
public class Notes {
// 定义了Content Provider的权限字符串
public static final String AUTHORITY = "micode_notes";
// 定义了日志标签字符串
public static final String TAG = "Notes";
// 定义了笔记类型的常量
public static final int TYPE_NOTE = 0; // 笔记类型
public static final int TYPE_FOLDER = 1; // 文件夹类型
public static final int TYPE_SYSTEM = 2; // 系统类型
/**
* ID
* {@link Notes#ID_ROOT_FOLDER }
* {@link Notes#ID_TEMPARAY_FOLDER }
* {@link Notes#ID_CALL_RECORD_FOLDER}
* {@link Notes#ID_TRASH_FOLER}
*/
public static final int ID_ROOT_FOLDER = 0;
public static final int ID_TEMPARAY_FOLDER = -1;
public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3;
// 定义了一些Intent的extra键名
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 提醒日期
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 背景颜色ID
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 小部件ID
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 小部件类型
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 文件夹ID
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 通话日期
// 定义了小部件类型的常量
public static final int TYPE_WIDGET_INVALIDE = -1; // 无效的小部件
public static final int TYPE_WIDGET_2X = 0; // 2x尺寸的小部件
public static final int TYPE_WIDGET_4X = 1; // 4x尺寸的小部件
// 定义一个内部类DataConstants包含一些与数据类型相关的常量
public static class DataConstants {
// 定义了文本笔记的数据类型
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
// 定义了通话笔记的数据类型
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
}
/**
* Uri
* content://micode_notes/note
*/
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/**
* Uri
* content://micode_notes/data
*/
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
// 定义了一个接口NoteColumns包含了一些与笔记和文件夹相关的列名
public interface NoteColumns {
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String ALERTED_DATE = "alert_date";
/**
*
* <P> TEXT </P>
*/
public static final String SNIPPET = "snippet";
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String WIDGET_ID = "widget_id";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String WIDGET_TYPE = "widget_type";
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String BG_COLOR_ID = "bg_color_id";
/**
*
* <P> INTEGER </P>
*/
public static final String HAS_ATTACHMENT = "has_attachment";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String NOTES_COUNT = "notes_count";
/**
*
* <P> INTEGER </P>
*/
public static final String TYPE = "type";
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String SYNC_ID = "sync_id";
/**
*
* <P> INTEGER </P>
*/
public static final String LOCAL_MODIFIED = "local_modified";
/**
* ID
* <P> INTEGER </P>
*/
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/**
* GoogleID
* <P> TEXT </P>
*/
public static final String GTASK_ID = "gtask_id";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
// 定义了一个接口DataColumns包含了一些与数据相关的列名
public interface DataColumns {
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* MIME
* <P> TEXT </P>
*/
public static final String MIME_TYPE = "mime_type";
/**
* ID
* <P> INTEGER (long) </P>
*/
public static final String NOTE_ID = "note_id";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
*
* <P> INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
*
* <P> TEXT </P>
*/
public static final String CONTENT = "content";
/**
* {@link #MIME_TYPE}
* <P> INTEGER </P>
*/
public static final String DATA1 = "data1";
/**
* {@link #MIME_TYPE}
* <P> INTEGER </P>
*/
public static final String DATA2 = "data2";
/**
* {@link #MIME_TYPE}
* <P> TEXT </P>
*/
public static final String DATA3 = "data3";
/**
* {@link #MIME_TYPE}
* <P> TEXT </P>
*/
public static final String DATA4 = "data4";
/**
* {@link #MIME_TYPE}
* <P> TEXT </P>
*/
public static final String DATA5 = "data5";
}
// 定义了一个内部类TextNote继承自DataColumns表示文本笔记的数据结构
public static final class TextNote implements DataColumns {
/**
*
* <P> Integer 1: 0: </P>
*/
public static final String MODE = DATA1;
// 定义了文本笔记模式的常量
public static final int MODE_CHECK_LIST = 1;
// 定义了文本笔记的MIME类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
/**
* Uri
* content://micode_notes/text_note
*/
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
// 定义了一个内部类CallNote继承自DataColumns表示通话笔记的数据结构
public static final class CallNote implements DataColumns {
/**
*
* <P> INTEGER (long) </P>
*/
public static final String CALL_DATE = DATA1;
/**
*
* <P> TEXT </P>
*/
public static final String PHONE_NUMBER = DATA3;
// 定义了通话笔记的MIME类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
/**
* Uri
* content://micode_notes/call_note
*/
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}

@ -1,389 +0,0 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* 使
*
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
*
*
*
*
*/
package net.micode.notes.data;
import android.content.ContentValues;
import android.content.Context;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.util.Log;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
// NotesDatabaseHelper 是一个 SQLiteOpenHelper 类的子类,用于管理笔记应用的数据库
public class NotesDatabaseHelper extends SQLiteOpenHelper {
// 定义了数据库名称
private static final String DB_NAME = "note.db";
// 定义了数据库版本号
private static final int DB_VERSION = 4;
// 定义了一个内部接口TABLE包含了表名常量
public interface TABLE {
public static final String NOTE = "note"; // 笔记表名
public static final String DATA = "data"; // 数据表名
}
// 定义了日志标签字符串
private static final String TAG = "NotesDatabaseHelper";
// 定义了单例实例
private static NotesDatabaseHelper mInstance;
// 定义了创建笔记表的SQL语句
private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
")";
// 定义了创建 DATA 表的SQL语句
private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," +
DataColumns.MIME_TYPE + " TEXT NOT NULL," +
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA1 + " INTEGER," +
DataColumns.DATA2 + " INTEGER," +
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
")";
// 定义了创建数据表中note_id索引的SQL语句
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + "); ";
/**
*
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_update "+
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
/**
*
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" END";
/**
*
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_insert " +
" AFTER INSERT ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" END";
/**
*
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" END";
/**
* {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
"CREATE TRIGGER update_note_content_on_insert " +
" AFTER INSERT ON " + TABLE.DATA +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
/**
* {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER update_note_content_on_update " +
" AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" END";
/**
* {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
"CREATE TRIGGER update_note_content_on_delete " +
" AFTER delete ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" END";
/**
*
*/
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
"CREATE TRIGGER delete_data_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" END";
/**
*
*/
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
"CREATE TRIGGER folder_delete_notes_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
/**
*
*/
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
"CREATE TRIGGER folder_move_notes_on_trash " +
" AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" END";
// 构造函数,初始化数据库帮助器
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
// 创建笔记表的方法
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
}
// 重新创建笔记表触发器的方法
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS delete_data_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash");
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER);
db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER);
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER);
db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER);
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}
// 创建系统文件夹的方法
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
/**
*
*/
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
/**
*
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
/**
*
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
/**
*
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
// 创建数据表的方法
public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created");
}
// 重新创建数据表触发器的方法
private void reCreateDataTableTriggers(SQLiteDatabase db) {
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete");
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}
// 获取 NotesDatabaseHelper 单例实例的方法
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
}
return mInstance;
}
// 当数据库第一次创建时调用的方法
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
}
// 当数据库需要升级时调用的方法
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
boolean reCreateTriggers = false;
boolean skipV2 = false;
// 如果当前版本是1直接删除旧表并创建新表
if (oldVersion == 1) {
upgradeToV2(db);
skipV2 = true; // 这次升级包含了从v2到v3的升级
oldVersion++;
}
// 如果当前版本是2添加新的列并创建系统文件夹
if (oldVersion == 2 && !skipV2) {
upgradeToV3(db);
reCreateTriggers = true;
oldVersion++;
}
// 如果当前版本是3添加版本号列
if (oldVersion == 3) {
upgradeToV4(db);
oldVersion++;
}
// 如果需要重新创建触发器,调用相应的方法
if (reCreateTriggers) {
reCreateNoteTableTriggers(db);
reCreateDataTableTriggers(db);
}
// 如果升级失败,抛出异常
if (oldVersion != newVersion) {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ " fails");
}
}
// 升级到数据库版本2的方法
private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db);
createDataTable(db);
}
// 升级到数据库版本3的方法
private void upgradeToV3(SQLiteDatabase db) {
// 删除不再使用的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update");
// 添加 gtask id 列
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID
+ " TEXT NOT NULL DEFAULT ''");
// 添加回收站系统文件夹
ContentValues values = new ContentValues();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
}
// 升级到数据库版本4的方法
private void upgradeToV4(SQLiteDatabase db) {
// 添加版本号列
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0");
}
}

@ -1,342 +0,0 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Intent;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配不同的URI请求返回相应的请求类型
private static final UriMatcher mMatcher;
// 数据库辅助类,用于创建和管理数据库
private NotesDatabaseHelper mHelper;
// 日志标签,便于调试和日志记录
private static final String TAG = "NotesProvider";
// 定义URI请求类型常量
private static final int URI_NOTE = 1;
private static final int URI_NOTE_ITEM = 2;
private static final int URI_DATA = 3;
private static final int URI_DATA_ITEM = 4;
private static final int URI_SEARCH = 5;
private static final int URI_SEARCH_SUGGEST = 6;
// 静态代码块在类加载时初始化UriMatcher
static {
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA);
mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM);
mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH);
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST);
mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST);
}
/**
* x'0A'sqlite'\n'
* '\n'便
*/
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + ","
+ "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + ","
+ R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + ","
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// SQL查询语句用于根据搜索字符串查询笔记片段
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
// 创建ContentProvider时调用初始化NotesDatabaseHelper
@Override
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
return true;
}
// 根据不同的URI请求类型执行查询操作
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Cursor c = null;
SQLiteDatabase db = mHelper.getReadableDatabase();
String id = null;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 查询所有笔记
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
break;
case URI_NOTE_ITEM:
// 查询特定ID的笔记
id = uri.getPathSegments().get(1);
c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_DATA:
// 查询所有笔记数据
c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null,
sortOrder);
break;
case URI_DATA_ITEM:
// 查询特定ID的笔记数据
id = uri.getPathSegments().get(1);
c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
// 搜索时不允许指定排序条件、选择条件、选择参数或投影
if (sortOrder != null || projection != null) {
throw new IllegalArgumentException(
"不允许在搜索时指定排序条件、选择条件、选择参数或投影");
}
String searchString = null;
// 获取搜索字符串
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
searchString = uri.getPathSegments().get(1);
}
} else {
searchString = uri.getQueryParameter("pattern");
}
// 如果搜索字符串为空返回null
if (TextUtils.isEmpty(searchString)) {
return null;
}
try {
// 格式化搜索字符串使其可以用于LIKE查询
searchString = String.format("%%%s%%", searchString);
// 执行搜索查询
c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
new String[] { searchString });
} catch (IllegalStateException ex) {
Log.e(TAG, "发生异常: " + ex.toString());
}
break;
default:
// 如果URI请求类型未知抛出异常
throw new IllegalArgumentException("未知的URI " + uri);
}
// 设置游标的通知URI以便内容变化时通知监听者
if (c != null) {
c.setNotificationUri(getContext().getContentResolver(), uri);
}
return c;
}
// 根据不同的URI请求类型插入数据
@Override
public Uri insert(Uri uri, ContentValues values) {
SQLiteDatabase db = mHelper.getWritableDatabase();
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 插入新的笔记
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
case URI_DATA:
// 插入新的笔记数据
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
} else {
Log.d(TAG, "数据格式错误缺少笔记ID:" + values.toString());
}
insertedId = dataId = db.insert(TABLE.DATA, null, values);
break;
default:
// 如果URI请求类型未知抛出异常
throw new IllegalArgumentException("未知的URI " + uri);
}
// 通知笔记URI变化
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
}
// 通知数据URI变化
if (dataId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
return ContentUris.withAppendedId(uri, insertedId);
}
// 根据不同的URI请求类型删除数据
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean deleteData = false;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 删除笔记时确保ID大于0
selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 ";
count = db.delete(TABLE.NOTE, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
id = uri.getPathSegments().get(1);
long noteId = Long.valueOf(id);
// ID小于等于0的笔记为系统文件夹不允许删除
if (noteId <= 0) {
break;
}
// 删除特定ID的笔记
count = db.delete(TABLE.NOTE,
NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 删除笔记数据
count = db.delete(TABLE.DATA, selection, selectionArgs);
deleteData = true;
break;
case URI_DATA_ITEM:
id = uri.getPathSegments().get(1);
// 删除特定ID的笔记数据
count = db.delete(TABLE.DATA,
DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
deleteData = true;
break;
default:
// 如果URI请求类型未知抛出异常
throw new IllegalArgumentException("未知的URI " + uri);
}
// 如果有数据被删除通知URI变化
if (count > 0) {
if (deleteData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
}
getContext().getContentResolver().notifyChange(uri, null);
}
return count;
}
// 根据不同的URI请求类型更新数据
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
SQLiteDatabase db = mHelper.getWritableDatabase();
boolean updateData = false;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 更新笔记时,增加笔记版本号
increaseNoteVersion(-1, selection, selectionArgs);
count = db.update(TABLE.NOTE, values, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
id = uri.getPathSegments().get(1);
long noteId = Long.valueOf(id);
// 更新特定ID的笔记并增加笔记版本号
increaseNoteVersion(noteId, selection, selectionArgs);
count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 更新笔记数据
count = db.update(TABLE.DATA, values, selection, selectionArgs);
updateData = true;
break;
case URI_DATA_ITEM:
id = uri.getPathSegments().get(1);
// 更新特定ID的笔记数据
count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
updateData = true;
break;
default:
// 如果URI请求类型未知抛出异常
throw new IllegalArgumentException("未知的URI " + uri);
}
// 如果有数据被更新通知URI变化
if (count > 0) {
if (updateData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
}
getContext().getContentResolver().notifyChange(uri, null);
}
return count;
}
// 解析选择条件字符串如果存在选择条件则添加到SQL查询中
private String parseSelection(String selection) {
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
// 增加笔记版本号
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
sql.append(TABLE.NOTE);
sql.append(" SET ");
sql.append(NoteColumns.VERSION);
sql.append("=" + NoteColumns.VERSION + "+1 ");
// 构建WHERE子句
if (id > 0 || !TextUtils.isEmpty(selection)) {
sql.append(" WHERE ");
}
if (id > 0) {
sql.append(NoteColumns.ID + "=" + String.valueOf(id));
}
if (!TextUtils.isEmpty(selection)) {
String selectString = id > 0 ? parseSelection(selection) : selection;
for (String args : selectionArgs) {
selectString = selectString.replaceFirst("\\?", args);
}
sql.append(selectString);
}
// 执行更新操作
mHelper.getWritableDatabase().execSQL(sql.toString());
}
// 返回URI对应的数据类型这里未实现返回null
@Override
public String getType(Uri uri) {
// TODO Auto-generated method stub
return null;
}
}

@ -16,56 +16,70 @@
package net.micode.notes.data;
import android.content.Context;
import android.database.Cursor;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Data;
import android.telephony.PhoneNumberUtils;
import android.util.Log;
import android.content.Context; // 导入Android上下文类用于访问系统资源
import android.database.Cursor; // 导入Android游标类用于查询数据库
import android.provider.ContactsContract.CommonDataKinds.Phone; // 导入Android联系人电话信息类
import android.provider.ContactsContract.Data; // 导入Android联系人数据类
import android.telephony.PhoneNumberUtils; // 导入Android电话号码工具类
import android.util.Log; // 导入Android日志工具类
import java.util.HashMap;
import java.util.HashMap; // 导入Java哈希表类用于缓存查询结果
public class Contact {
// 静态的哈希表,用于缓存电话号码和对应的联系人姓名
private static HashMap<String, String> sContactCache;
// 日志标签,用于在日志中标识来自该类的消息
private static final String TAG = "Contact";
// SQL查询条件用于查找与给定电话号码匹配的联系人信息
// 使用PHONE_NUMBERS_EQUAL函数比较电话号码确保号码格式的一致性
// 限制数据类型为电话号码类型,并通过子查询确保电话号码的最小匹配字符为'+'
private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'"
+ " AND " + Data.RAW_CONTACT_ID + " IN "
+ "(SELECT raw_contact_id "
+ " FROM phone_lookup"
+ " WHERE min_match = '+')";
// 根据给定的电话号码获取联系人的姓名
public static String getContact(Context context, String phoneNumber) {
// 如果缓存为空,则初始化缓存
if(sContactCache == null) {
sContactCache = new HashMap<String, String>();
}
// 检查缓存中是否已有该电话号码对应的联系人姓名
if(sContactCache.containsKey(phoneNumber)) {
return sContactCache.get(phoneNumber);
return sContactCache.get(phoneNumber); // 如果存在,则直接返回缓存中的姓名
}
// 构造SQL查询条件将占位符"+"替换为电话号码的最小匹配字符
String selection = CALLER_ID_SELECTION.replace("+",
PhoneNumberUtils.toCallerIDMinMatch(phoneNumber));
// 执行数据库查询,获取与电话号码匹配的联系人姓名
Cursor cursor = context.getContentResolver().query(
Data.CONTENT_URI,
new String [] { Phone.DISPLAY_NAME },
selection,
new String[] { phoneNumber },
null);
Data.CONTENT_URI, // 查询联系人数据表
new String [] { Phone.DISPLAY_NAME }, // 需要查询的字段:联系人显示名称
selection, // 查询条件
new String[] { phoneNumber }, // 查询条件中的占位符参数
null); // 排序条件这里为null表示不排序
// 检查查询结果是否为空且是否可以移动到第一行
if (cursor != null && cursor.moveToFirst()) {
try {
String name = cursor.getString(0);
sContactCache.put(phoneNumber, name);
return name;
String name = cursor.getString(0); // 获取联系人显示名称
sContactCache.put(phoneNumber, name); // 将查询结果存入缓存
return name; // 返回联系人姓名
} catch (IndexOutOfBoundsException e) {
// 如果发生数组越界异常记录错误日志并返回null
Log.e(TAG, " Cursor get string error " + e.toString());
return null;
} finally {
cursor.close();
cursor.close(); // 关闭游标,释放资源
}
} else {
// 如果没有找到匹配的联系人记录调试日志并返回null
Log.d(TAG, "No contact matched with number:" + phoneNumber);
return null;
}

@ -0,0 +1,650 @@
package net.micode.notes.gtask.remote;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
/**
* GTaskClientGoogle Tasks
*/
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName(); // 日志标签
private static final String GTASK_URL = "https://mail.google.com/tasks/"; // Google Tasks的基本URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; // 获取数据的URL
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig"; // 提交数据的URL
private static GTaskClient mInstance = null; // 单例实例
private DefaultHttpClient mHttpClient; // HTTP客户端
private String mGetUrl; // 获取数据的具体URL
private String mPostUrl; // 提交数据的具体URL
private long mClientVersion; // 客户端版本号
private boolean mLoggedin; // 是否已登录
private long mLastLoginTime; // 上次登录时间
private int mActionId; // 操作ID
private Account mAccount; // 当前使用的账户
private JSONArray mUpdateArray; // 更新操作列表
/**
* GTaskClient
*/
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
mClientVersion = -1;
mLoggedin = false;
mLastLoginTime = 0;
mActionId = 1;
mAccount = null;
mUpdateArray = null;
}
/**
* GTaskClient
* @return GTaskClient
*/
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
}
return mInstance;
}
/**
* Google
* @param activity Activity
* @return truefalse
*/
public boolean login(Activity activity) {
// 设置cookie过期时间为5分钟如果超过这个时间则重新登录
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// 如果账户发生切换,则需要重新登录
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
mLoggedin = false;
}
// 如果已经登录直接返回true
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
mLastLoginTime = System.currentTimeMillis(); // 更新上次登录时间
String authToken = loginGoogleAccount(activity, false); // 获取认证令牌
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// 如果账户不在gmail.com或googlemail.com域中则尝试使用自定义域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
}
}
// 尝试使用Google官方URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
if (!tryToLoginGtask(activity, authToken)) {
return false;
}
}
mLoggedin = true; // 登录成功
return true;
}
/**
* Google
* @param activity Activity
* @param invalidateToken 使
* @return
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity); // 获取AccountManager实例
Account[] accounts = accountManager.getAccountsByType("com.google"); // 获取所有Google账户
if (accounts.length == 0) { // 没有可用的Google账户
Log.e(TAG, "there is no available google account");
return null;
}
String accountName = NotesPreferenceActivity.getSyncAccountName(activity); // 获取设置中的同步账户名称
Account account = null;
for (Account a : accounts) {
if (a.name.equals(accountName)) { // 找到匹配的账户
account = a;
break;
}
}
if (account != null) {
mAccount = account; // 设置当前账户
} else {
Log.e(TAG, "unable to get an account with the same name in the settings");
return null;
}
// 获取认证令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
if (invalidateToken) { // 如果需要使令牌失效
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false); // 重新登录
}
} catch (Exception e) {
Log.e(TAG, "get auth token failed");
authToken = null;
}
return authToken;
}
/**
* Google Tasks
* @param activity Activity
* @param authToken
* @return truefalse
*/
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// 如果登录失败,可能是令牌过期,使令牌失效后再次尝试
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
}
}
return true;
}
/**
* 使Google Tasks
* @param authToken
* @return truefalse
*/
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000; // 连接超时时间
int timeoutSocket = 15000; // 套接字超时时间
HttpParams httpParameters = new BasicHttpParams(); // HTTP参数
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // 设置连接超时时间
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); // 设置套接字超时时间
mHttpClient = new DefaultHttpClient(httpParameters); // 创建HTTP客户端
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); // 创建Cookie存储
mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 设置使用Expect Continue
// 登录Google Tasks
try {
String loginUrl = mGetUrl + "?auth=" + authToken; // 构建登录URL
HttpGet httpGet = new HttpGet(loginUrl); // 创建HttpGet请求
HttpResponse response = mHttpClient.execute(httpGet); // 执行请求
// 获取认证cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
if (cookie.getName().contains("GTL")) { // 检查是否存在认证cookie
hasAuthCookie = true;
}
}
if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie");
}
// 获取客户端版本号
String resString = getResponseContent(response.getEntity()); // 获取响应内容
String jsBegin = "_setup("; // JSON数据开始标记
String jsEnd = ")}</script>"; // JSON数据结束标记
int begin = resString.indexOf(jsBegin); // 查找开始标记
int end = resString.lastIndexOf(jsEnd); // 查找结束标记
String jsString = null;
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end); // 提取JSON字符串
}
JSONObject js = new JSONObject(jsString); // 将JSON字符串转换为JSONObject
mClientVersion = js.getLong("v"); // 获取客户端版本号
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return false;
} catch (Exception e) {
Log.e(TAG, "httpget gtask_url failed");
return false;
}
return true;
}
/**
* ID
* @return ID
*/
private int getActionId() {
return mActionId++;
}
/**
* HttpPost
* @return HttpPost
*/
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl); // 创建HttpPost请求
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); // 设置请求头
httpPost.setHeader("AT", "1");
return httpPost;
}
/**
* HTTP
* @param entity HTTP
* @return
* @throws IOException IO
*/
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue(); // 获取内容编码
Log.d(TAG, "encoding: " + contentEncoding);
}
InputStream input = entity.getContent(); // 获取输入流
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) { // 如果是gzip编码
input = new GZIPInputStream(entity.getContent()); // 使用GZIPInputStream解码
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) { // 如果是deflate编码
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater); // 使用InflaterInputStream解码
}
try {
InputStreamReader isr = new InputStreamReader(input); // 创建InputStreamReader
BufferedReader br = new BufferedReader(isr); // 创建BufferedReader
StringBuilder sb = new StringBuilder();
// 读取响应内容
String buff;
while ((buff = br.readLine()) != null) {
sb.append(buff); // 将每一行内容追加到StringBuilder中
}
return sb.toString();
} finally {
input.close(); // 关闭输入流
}
}
/**
* POSTGoogle Tasks
* @param js JSONObject
* @return JSONObject
* @throws NetworkFailureException
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in"); // 如果未登录,抛出异常
}
HttpPost httpPost = createHttpPost(); // 创建HttpPost请求
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString())); // 将JSONObject转换为字符串并添加到请求参数中
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); // 创建UrlEncodedFormEntity
httpPost.setEntity(entity); // 设置请求实体
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity()); // 获取响应内容
return new JSONObject(jsString); // 将响应内容转换为JSONObject
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed"); // 如果发生协议错误,抛出异常
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed"); // 如果发生IO错误抛出异常
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject"); // 如果无法将响应内容转换为JSONObject抛出异常
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request"); // 如果发生其他错误,抛出异常
}
}
/**
*
* @param task
* @throws NetworkFailureException
*/
public void createTask(Task task) throws NetworkFailureException {
commitUpdate(); // 提交所有待更新的操作
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// 添加创建任务的操作
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 提交POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取响应结果
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务ID
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create task: handing jsonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
/**
*
* @param tasklist
* @throws NetworkFailureException
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate(); // 提交所有待更新的操作
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// 添加创建任务列表的操作
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 提交POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取响应结果
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务列表ID
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create tasklist: handing jsonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
/**
*
* @throws NetworkFailureException
*/
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) { // 如果有待更新的操作
try {
JSONObject jsPost = new JSONObject();
// 设置操作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); // 提交POST请求
mUpdateArray = null; // 清空待更新的操作列表
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("commit update: handing jsonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
}
/**
*
* @param node
* @throws NetworkFailureException
*/
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// 如果待更新的操作数量超过10个则先提交这些操作
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
if (mUpdateArray == null) {
mUpdateArray = new JSONArray(); // 如果操作列表为空则创建一个新的JSONArray
}
mUpdateArray.put(node.getUpdateAction(getActionId())); // 将节点的更新操作添加到操作列表中
}
}
/**
*
* @param task
* @param preParent
* @param curParent
* @throws NetworkFailureException
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate(); // 提交所有待更新的操作
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// 构建移动任务的操作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
if (preParent == curParent && task.getPriorSibling() != null) {
// 如果在同一个列表中移动并且不是第一个任务则设置前一个兄弟节点ID
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
if (preParent != curParent) {
// 如果移动到不同的列表则设置目标列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action); // 将操作添加到操作列表中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); // 提交POST请求
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("move task: handing jsonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
/**
*
* @param node
* @throws NetworkFailureException
*/
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate(); // 提交所有待更新的操作
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// 构建删除节点的操作
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); // 提交POST请求
mUpdateArray = null; // 清空待更新的操作列表
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
/**
*
* @return JSONArray
* @throws NetworkFailureException
*/
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in"); // 如果未登录,抛出异常
}
try {
HttpGet httpGet = new HttpGet(mGetUrl); // 创建HttpGet请求
HttpResponse response = mHttpClient.execute(httpGet); // 执行请求
// 获取任务列表数据
String resString = getResponseContent(response.getEntity()); // 获取响应内容
String jsBegin = "_setup("; // JSON数据开始标记
String jsEnd = ")}</script>"; // JSON数据结束标记
int begin = resString.indexOf(jsBegin); // 查找开始标记
int end = resString.lastIndexOf(jsEnd); // 查找结束标记
String jsString = null;
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end); // 提取JSON字符串
}
JSONObject js = new JSONObject(jsString); // 将JSON字符串转换为JSONObject
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); // 获取任务列表数组
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed"); // 如果发生协议错误,抛出异常
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed"); // 如果发生IO错误抛出异常
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
/**
* ID
* @param listGid ID
* @return JSONArray
* @throws NetworkFailureException
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate(); // 提交所有待更新的操作
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// 构建获取任务列表的操作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 设置客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 提交POST请求
JSONObject jsResponse = postRequest(jsPost);
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); // 获取任务数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed"); // 如果发生JSON处理错误抛出异常
}
}
/**
*
* @return
*/
public Account getSyncAccount() {
return mAccount;
}
/**
*
*/
public void resetUpdateArray() {
mUpdateArray = null;
}
}

@ -0,0 +1,851 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.data.MetaData;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.SqlNote;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.DataUtils;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
/**
* GTaskManager Google Tasks
*/
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0; // 同步成功
public static final int STATE_NETWORK_ERROR = 1; // 网络错误
public static final int STATE_INTERNAL_ERROR = 2; // 内部错误
public static final int STATE_SYNC_IN_PROGRESS = 3; // 同步进行中
public static final int STATE_SYNC_CANCELLED = 4; // 同步被取消
private static GTaskManager mInstance = null; // 单例实例
private Activity mActivity; // 用于获取认证 token 的 Activity 上下文
private Context mContext; // 应用上下文
private ContentResolver mContentResolver; // 内容解析器
private boolean mSyncing; // 标记同步是否正在进行
private boolean mCancelled; // 标记同步是否被取消
private HashMap<String, TaskList> mGTaskListHashMap; // 存储 Google Tasks 列表的映射
private HashMap<String, Node> mGTaskHashMap; // 存储 Google Tasks 的映射
private HashMap<String, MetaData> mMetaHashMap; // 存储元数据的映射
private TaskList mMetaList; // 元数据列表
private HashSet<Long> mLocalDeleteIdMap; // 存储本地删除的笔记 ID
private HashMap<String, Long> mGidToNid; // Google ID 到本地 ID 的映射
private HashMap<Long, String> mNidToGid; // 本地 ID 到 Google ID 的映射
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<String, TaskList>();
mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>();
mNidToGid = new HashMap<Long, String>();
}
/**
* GTaskManager
* @return GTaskManager
*/
public static synchronized GTaskManager getInstance() {
if (mInstance == null) {
mInstance = new GTaskManager();
}
return mInstance;
}
/**
* Activity token
* @param activity Activity
*/
public synchronized void setActivityContext(Activity activity) {
mActivity = activity;
}
/**
*
* @param context
* @param asyncTask
* @return
*/
public int sync(Context context, GTaskASyncTask asyncTask) {
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
return STATE_SYNC_IN_PROGRESS;
}
mContext = context;
mContentResolver = mContext.getContentResolver();
mSyncing = true;
mCancelled = false;
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
mLocalDeleteIdMap.clear();
mGidToNid.clear();
mNidToGid.clear();
try {
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
// 登录 Google Tasks
if (!mCancelled) {
if (!client.login(mActivity)) {
throw new NetworkFailureException("登录 Google Tasks 失败");
}
}
// 获取 Google 的任务列表
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList();
// 执行内容同步
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent();
} catch (NetworkFailureException e) {
Log.e(TAG, e.toString());
return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) {
Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR;
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return STATE_INTERNAL_ERROR;
} finally {
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
mLocalDeleteIdMap.clear();
mGidToNid.clear();
mNidToGid.clear();
mSyncing = false;
}
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
/**
* Google
* @throws NetworkFailureException
*/
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
return;
GTaskClient client = GTaskClient.getInstance();
try {
JSONArray jsTaskLists = client.getTaskLists();
// 初始化元数据列表
mMetaList = null;
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
mMetaList = new TaskList();
mMetaList.setContentByRemoteJSON(object);
// 加载元数据
JSONArray jsMetas = client.getTaskList(gid);
for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData();
metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) {
mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData);
}
}
}
}
}
// 如果元数据列表不存在,则创建
if (mMetaList == null) {
mMetaList = new TaskList();
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META);
GTaskClient.getInstance().createTaskList(mMetaList);
}
// 初始化任务列表
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList();
tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
// 加载任务
JSONArray jsTasks = client.getTaskList(gid);
for (int j = 0; j < jsTasks.length(); j++) {
object = (JSONObject) jsTasks.getJSONObject(j);
gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
Task task = new Task();
task.setContentByRemoteJSON(object);
if (task.isWorthSaving()) {
task.setMetaInfo(mMetaHashMap.get(gid));
tasklist.addChildTask(task);
mGTaskHashMap.put(gid, task);
}
}
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("initGTaskList: 处理 JSONObject 失败");
}
}
/**
*
* @throws NetworkFailureException
*/
private void syncContent() throws NetworkFailureException {
int syncType;
Cursor c = null;
String gid;
Node node;
mLocalDeleteIdMap.clear();
if (mCancelled) {
return;
}
// 同步本地已删除的笔记
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id=?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, null);
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c);
}
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
}
} else {
Log.w(TAG, "无法查询垃圾文件夹");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// 先同步文件夹
syncFolder();
// 同步数据库中已存在的笔记
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// 本地添加
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// 远程删除
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
doContentSync(syncType, node, c);
}
} else {
Log.w(TAG, "无法查询数据库中的现有笔记");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// 处理剩余的项目(远程添加的任务或文件夹)
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next();
node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
// 清除本地删除表
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("批量删除本地删除的笔记失败");
}
}
// 刷新本地同步 ID
if (!mCancelled) {
GTaskClient.getInstance().commitUpdate();
refreshLocalSyncId();
}
}
/**
*
* @throws NetworkFailureException
*/
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
Node node;
int syncType;
if (mCancelled) {
return;
}
// 同步根文件夹
try {
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
if (c != null) {
c.moveToNext();
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
// 对于系统文件夹,仅在必要时更新远程名称
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
} else {
Log.w(TAG, "无法查询根文件夹");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// 同步通话记录文件夹
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null);
if (c != null) {
if (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
// 对于系统文件夹,仅在必要时更新远程名称
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
}
} else {
Log.w(TAG, "无法查询通话记录文件夹");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// 同步本地已存在的文件夹
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// 本地添加
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// 远程删除
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
doContentSync(syncType, node, c);
}
} else {
Log.w(TAG, "无法查询本地已存在的文件夹");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// 同步远程添加的文件夹
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
gid = entry.getKey();
node = entry.getValue();
if (mGTaskHashMap.containsKey(gid)) {
mGTaskHashMap.remove(gid);
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
}
if (!mCancelled)
GTaskClient.getInstance().commitUpdate();
}
/**
*
* @param syncType
* @param node
* @param c
* @throws NetworkFailureException
*/
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
MetaData meta;
switch (syncType) {
case Node.SYNC_ACTION_ADD_LOCAL:
addLocalNode(node);
break;
case Node.SYNC_ACTION_ADD_REMOTE:
addRemoteNode(node, c);
break;
case Node.SYNC_ACTION_DEL_LOCAL:
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
if (meta != null) {
GTaskClient.getInstance().deleteNode(meta);
}
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
break;
case Node.SYNC_ACTION_DEL_REMOTE:
meta = mMetaHashMap.get(node.getGid());
if (meta != null) {
GTaskClient.getInstance().deleteNode(meta);
}
GTaskClient.getInstance().deleteNode(node);
break;
case Node.SYNC_ACTION_UPDATE_LOCAL:
updateLocalNode(node, c);
break;
case Node.SYNC_ACTION_UPDATE_REMOTE:
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_UPDATE_CONFLICT:
// 处理冲突时,可以考虑合并两边的修改
// 目前简单地使用本地更新
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_NONE:
break;
case Node.SYNC_ACTION_ERROR:
default:
throw new ActionFailureException("未知的同步操作类型");
}
}
/**
*
* @param node
* @throws NetworkFailureException
*/
private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote;
if (node instanceof TaskList) {
if (node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
} else if (node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) {
sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER);
} else {
sqlNote = new SqlNote(mContext);
sqlNote.setContent(node.getLocalJSONFromContent());
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
}
} else {
sqlNote = new SqlNote(mContext);
JSONObject js = node.getLocalJSONFromContent();
try {
if (js.has(GTaskStringUtils.META_HEAD_NOTE)) {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (note.has(NoteColumns.ID)) {
long id = note.getLong(NoteColumns.ID);
if (DataUtils.existInNoteDatabase(mContentResolver, id)) {
// ID 不可用,需要创建新的 ID
note.remove(NoteColumns.ID);
}
}
}
if (js.has(GTaskStringUtils.META_HEAD_DATA)) {
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (data.has(DataColumns.ID)) {
long dataId = data.getLong(DataColumns.ID);
if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
// 数据 ID 不可用,需要创建新的 ID
data.remove(DataColumns.ID);
}
}
}
}
} catch (JSONException e) {
Log.w(TAG, e.toString());
e.printStackTrace();
}
sqlNote.setContent(js);
Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
if (parentId == null) {
Log.e(TAG, "无法在本地找到任务的父 ID");
throw new ActionFailureException("无法添加本地节点");
}
sqlNote.setParentId(parentId.longValue());
}
// 创建本地节点
sqlNote.setGtaskId(node.getGid());
sqlNote.commit(false);
// 更新 gid-nid 映射
mGidToNid.put(node.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), node.getGid());
// 更新元数据
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
*
* @param node
* @param c
* @throws NetworkFailureException
*/
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote;
// 在本地更新笔记
sqlNote = new SqlNote(mContext, c);
sqlNote.setContent(node.getLocalJSONFromContent());
Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid())
: new Long(Notes.ID_ROOT_FOLDER);
if (parentId == null) {
Log.e(TAG, "无法在本地找到任务的父 ID");
throw new ActionFailureException("无法更新本地节点");
}
sqlNote.setParentId(parentId.longValue());
sqlNote.commit(true);
// 更新元数据信息
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
*
* @param node
* @param c
* @throws NetworkFailureException
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
Node n;
// 在远程更新
if (sqlNote.isNoteType()) {
Task task = new Task();
task.setContentByLocalJSON(sqlNote.getContent());
String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) {
Log.e(TAG, "无法找到任务的父任务列表");
throw new ActionFailureException("无法添加远程任务");
}
mGTaskListHashMap.get(parentGid).addChildTask(task);
GTaskClient.getInstance().createTask(task);
n = (Node) task;
// 添加元数据
updateRemoteMeta(task.getGid(), sqlNote);
} else {
TaskList tasklist = null;
// 如果文件夹已存在,则跳过
String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX;
if (sqlNote.getId() == Notes.ID_ROOT_FOLDER)
folderName += GTaskStringUtils.FOLDER_DEFAULT;
else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER)
folderName += GTaskStringUtils.FOLDER_CALL_NOTE;
else
folderName += sqlNote.getSnippet();
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
String gid = entry.getKey();
TaskList list = entry.getValue();
if (list.getName().equals(folderName)) {
tasklist = list;
if (mGTaskHashMap.containsKey(gid)) {
mGTaskHashMap.remove(gid);
}
break;
}
}
// 如果没有匹配项,则添加新的文件夹
if (tasklist == null) {
tasklist = new TaskList();
tasklist.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().createTaskList(tasklist);
mGTaskListHashMap.put(tasklist.getGid(), tasklist);
}
n = (Node) tasklist;
}
// 更新本地笔记
sqlNote.setGtaskId(n.getGid());
sqlNote.commit(false);
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id 映射
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
/**
*
* @param node
* @param c
* @throws NetworkFailureException
*/
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
// 在远程更新
node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node);
// 更新元数据
updateRemoteMeta(node.getGid(), sqlNote);
// 如果需要,移动任务
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
String curParentGid = mNidToGid.get(sqlNote.getParentId());
if (curParentGid == null) {
Log.e(TAG, "无法找到任务的父任务列表");
throw new ActionFailureException("无法更新远程任务");
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
if (preParentList != curParentList) {
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
}
}
// 清除本地修改标志
sqlNote.resetLocalModified();
sqlNote.commit(true);
}
/**
*
* @param gid Google ID
* @param sqlNote SqlNote
* @throws NetworkFailureException
*/
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
if (metaData != null) {
metaData.setMeta(gid, sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(metaData);
} else {
metaData = new MetaData();
metaData.setMeta(gid, sqlNote.getContent());
mMetaList.addChildTask(metaData);
mMetaHashMap.put(gid, metaData);
GTaskClient.getInstance().createTask(metaData);
}
}
}
/**
* ID
* @throws NetworkFailureException
*/
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// 获取最新的 Google Tasks 列表
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
initGTaskList();
Cursor c = null;
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
ContentValues values = new ContentValues();
values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
c.getLong(SqlNote.ID_COLUMN)), values, null, null);
} else {
Log.e(TAG, "某些内容缺失");
throw new ActionFailureException(
"同步后某些本地项目没有 gid");
}
}
} else {
Log.w(TAG, "无法查询本地笔记以刷新同步 ID");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
}
/**
*
* @return
*/
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
/**
*
*/
public void cancelSync() {
mCancelled = true;
}
}

@ -2,278 +2,297 @@
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 使
*
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*
*
*
*
*/
package net.micode.notes.data;
import android.net.Uri;
// 定义了一个名为Notes的类包含了与笔记应用相关的常量和接口
public class Notes {
// 定义了Content Provider的权限字符串
public static final String AUTHORITY = "micode_notes";
// 定义了日志标签字符串
public static final String TAG = "Notes";
public static final int TYPE_NOTE = 0;
public static final int TYPE_FOLDER = 1;
public static final int TYPE_SYSTEM = 2;
// 定义了笔记类型的常量
public static final int TYPE_NOTE = 0; // 笔记类型
public static final int TYPE_FOLDER = 1; // 文件夹类型
public static final int TYPE_SYSTEM = 2; // 系统类型
/**
* Following IDs are system folders' identifiers
* {@link Notes#ID_ROOT_FOLDER } is default folder
* {@link Notes#ID_TEMPARAY_FOLDER } is for notes belonging no folder
* {@link Notes#ID_CALL_RECORD_FOLDER} is to store call records
* ID
* {@link Notes#ID_ROOT_FOLDER }
* {@link Notes#ID_TEMPARAY_FOLDER }
* {@link Notes#ID_CALL_RECORD_FOLDER}
* {@link Notes#ID_TRASH_FOLER}
*/
public static final int ID_ROOT_FOLDER = 0;
public static final int ID_TEMPARAY_FOLDER = -1;
public static final int ID_CALL_RECORD_FOLDER = -2;
public static final int ID_TRASH_FOLER = -3;
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date";
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id";
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id";
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type";
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id";
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date";
// 定义了一些Intent的extra键名
public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; // 提醒日期
public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; // 背景颜色ID
public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; // 小部件ID
public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; // 小部件类型
public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; // 文件夹ID
public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; // 通话日期
public static final int TYPE_WIDGET_INVALIDE = -1;
public static final int TYPE_WIDGET_2X = 0;
public static final int TYPE_WIDGET_4X = 1;
// 定义了小部件类型的常量
public static final int TYPE_WIDGET_INVALIDE = -1; // 无效的小部件
public static final int TYPE_WIDGET_2X = 0; // 2x尺寸的小部件
public static final int TYPE_WIDGET_4X = 1; // 4x尺寸的小部件
// 定义一个内部类DataConstants包含一些与数据类型相关的常量
public static class DataConstants {
// 定义了文本笔记的数据类型
public static final String NOTE = TextNote.CONTENT_ITEM_TYPE;
// 定义了通话笔记的数据类型
public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE;
}
/**
* Uri to query all notes and folders
* Uri
* content://micode_notes/note
*/
public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note");
/**
* Uri to query data
* Uri
* content://micode_notes/data
*/
public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data");
// 定义了一个接口NoteColumns包含了一些与笔记和文件夹相关的列名
public interface NoteColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The parent's id for note or folder
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String PARENT_ID = "parent_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Alert date
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String ALERTED_DATE = "alert_date";
/**
* Folder's name or text content of note
* <P> Type: TEXT </P>
*
* <P> TEXT </P>
*/
public static final String SNIPPET = "snippet";
/**
* Note's widget id
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String WIDGET_ID = "widget_id";
/**
* Note's widget type
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String WIDGET_TYPE = "widget_type";
/**
* Note's background color's id
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String BG_COLOR_ID = "bg_color_id";
/**
* For text note, it doesn't has attachment, for multi-media
* note, it has at least one attachment
* <P> Type: INTEGER </P>
*
* <P> INTEGER </P>
*/
public static final String HAS_ATTACHMENT = "has_attachment";
/**
* Folder's count of notes
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String NOTES_COUNT = "notes_count";
/**
* The file type: folder or note
* <P> Type: INTEGER </P>
*
* <P> INTEGER </P>
*/
public static final String TYPE = "type";
/**
* The last sync id
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String SYNC_ID = "sync_id";
/**
* Sign to indicate local modified or not
* <P> Type: INTEGER </P>
*
* <P> INTEGER </P>
*/
public static final String LOCAL_MODIFIED = "local_modified";
/**
* Original parent id before moving into temporary folder
* <P> Type : INTEGER </P>
* ID
* <P> INTEGER </P>
*/
public static final String ORIGIN_PARENT_ID = "origin_parent_id";
/**
* The gtask id
* <P> Type : TEXT </P>
* GoogleID
* <P> TEXT </P>
*/
public static final String GTASK_ID = "gtask_id";
/**
* The version code
* <P> Type : INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String VERSION = "version";
}
// 定义了一个接口DataColumns包含了一些与数据相关的列名
public interface DataColumns {
/**
* The unique ID for a row
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String ID = "_id";
/**
* The MIME type of the item represented by this row.
* <P> Type: Text </P>
* MIME
* <P> TEXT </P>
*/
public static final String MIME_TYPE = "mime_type";
/**
* The reference id to note that this data belongs to
* <P> Type: INTEGER (long) </P>
* ID
* <P> INTEGER (long) </P>
*/
public static final String NOTE_ID = "note_id";
/**
* Created data for note or folder
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String CREATED_DATE = "created_date";
/**
* Latest modified date
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String MODIFIED_DATE = "modified_date";
/**
* Data's content
* <P> Type: TEXT </P>
*
* <P> TEXT </P>
*/
public static final String CONTENT = "content";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
* {@link #MIME_TYPE}
* <P> INTEGER </P>
*/
public static final String DATA1 = "data1";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* integer data type
* <P> Type: INTEGER </P>
* {@link #MIME_TYPE}
* <P> INTEGER </P>
*/
public static final String DATA2 = "data2";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
* {@link #MIME_TYPE}
* <P> TEXT </P>
*/
public static final String DATA3 = "data3";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
* {@link #MIME_TYPE}
* <P> TEXT </P>
*/
public static final String DATA4 = "data4";
/**
* Generic data column, the meaning is {@link #MIMETYPE} specific, used for
* TEXT data type
* <P> Type: TEXT </P>
* {@link #MIME_TYPE}
* <P> TEXT </P>
*/
public static final String DATA5 = "data5";
}
// 定义了一个内部类TextNote继承自DataColumns表示文本笔记的数据结构
public static final class TextNote implements DataColumns {
/**
* Mode to indicate the text in check list mode or not
* <P> Type: Integer 1:check list mode 0: normal mode </P>
*
* <P> Integer 1: 0: </P>
*/
public static final String MODE = DATA1;
// 定义了文本笔记模式的常量
public static final int MODE_CHECK_LIST = 1;
// 定义了文本笔记的MIME类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note";
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note";
/**
* Uri
* content://micode_notes/text_note
*/
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note");
}
// 定义了一个内部类CallNote继承自DataColumns表示通话笔记的数据结构
public static final class CallNote implements DataColumns {
/**
* Call date for this record
* <P> Type: INTEGER (long) </P>
*
* <P> INTEGER (long) </P>
*/
public static final String CALL_DATE = DATA1;
/**
* Phone number for this record
* <P> Type: TEXT </P>
*
* <P> TEXT </P>
*/
public static final String PHONE_NUMBER = DATA3;
// 定义了通话笔记的MIME类型
public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note";
public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note";
/**
* Uri
* content://micode_notes/call_note
*/
public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note");
}
}

@ -2,16 +2,16 @@
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 使
*
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*
*
*
*
*/
package net.micode.notes.data;
@ -26,198 +26,209 @@ import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
// NotesDatabaseHelper 是一个 SQLiteOpenHelper 类的子类,用于管理笔记应用的数据库
public class NotesDatabaseHelper extends SQLiteOpenHelper {
// 定义了数据库名称
private static final String DB_NAME = "note.db";
// 定义了数据库版本号
private static final int DB_VERSION = 4;
// 定义了一个内部接口TABLE包含了表名常量
public interface TABLE {
public static final String NOTE = "note";
public static final String DATA = "data";
public static final String NOTE = "note"; // 笔记表名
public static final String DATA = "data"; // 数据表名
}
// 定义了日志标签字符串
private static final String TAG = "NotesDatabaseHelper";
// 定义了单例实例
private static NotesDatabaseHelper mInstance;
// 定义了创建笔记表的SQL语句
private static final String CREATE_NOTE_TABLE_SQL =
"CREATE TABLE " + TABLE.NOTE + "(" +
NoteColumns.ID + " INTEGER PRIMARY KEY," +
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," +
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," +
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" +
NoteColumns.ID + " INTEGER PRIMARY KEY," + // 笔记ID主键
NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 父文件夹ID默认为0
NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + // 提醒日期默认为0
NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + // 背景颜色ID默认为0
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期,默认为当前时间(毫秒)
NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + // 是否有附件默认为0
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期,默认为当前时间(毫秒)
NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + // 笔记数量默认为0
NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + // 笔记摘要,默认为空字符串
NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + // 笔记类型默认为0
NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + // 小部件ID默认为0
NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + // 小部件类型,默认为-1
NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + // 同步ID默认为0
NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + // 是否本地修改默认为0
NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + // 原始父文件夹ID默认为0
NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + // GTasks ID默认为空字符串
NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + // 版本号默认为0
")";
// 定义了创建 DATA 表的SQL语句
private static final String CREATE_DATA_TABLE_SQL =
"CREATE TABLE " + TABLE.DATA + "(" +
DataColumns.ID + " INTEGER PRIMARY KEY," +
DataColumns.MIME_TYPE + " TEXT NOT NULL," +
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," +
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," +
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA1 + " INTEGER," +
DataColumns.DATA2 + " INTEGER," +
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," +
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" +
DataColumns.ID + " INTEGER PRIMARY KEY," + // 数据ID主键
DataColumns.MIME_TYPE + " TEXT NOT NULL," + // MIME类型默认为空字符串
DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + // 关联的笔记ID默认为0
NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 创建日期,默认为当前时间(毫秒)
NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + // 修改日期,默认为当前时间(毫秒)
DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + // 数据内容,默认为空字符串
DataColumns.DATA1 + " INTEGER," + // 自定义数据1
DataColumns.DATA2 + " INTEGER," + // 自定义数据2
DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + // 自定义数据3默认为空字符串
DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + // 自定义数据4默认为空字符串
DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + // 自定义数据5默认为空字符串
")";
// 定义了创建数据表中note_id索引的SQL语句
private static final String CREATE_DATA_NOTE_ID_INDEX_SQL =
"CREATE INDEX IF NOT EXISTS note_id_index ON " +
TABLE.DATA + "(" + DataColumns.NOTE_ID + ");";
TABLE.DATA + "(" + DataColumns.NOTE_ID + "); "; // 为data表中的note_id列创建索引
/**
* Increase folder's note count when move note to the folder
*
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_update "+
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + // 更新父文件夹的笔记数量加1
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + // 父文件夹ID为移动后的文件夹ID
" END";
/**
* Decrease folder's note count when move note from folder
*
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_update " +
" AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + // 更新父文件夹的笔记数量减1
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + // 父文件夹ID为移动前的文件夹ID
" AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + // 仅当笔记数量大于0时更新
" END";
/**
* Increase folder's note count when insert new note to the folder
*
*/
private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER =
"CREATE TRIGGER increase_folder_count_on_insert " +
" AFTER INSERT ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" +
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + // 更新父文件夹的笔记数量加1
" WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + // 父文件夹ID为新笔记的父文件夹ID
" END";
/**
* Decrease folder's note count when delete note from the folder
*
*/
private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER =
"CREATE TRIGGER decrease_folder_count_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN " +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" +
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID +
" AND " + NoteColumns.NOTES_COUNT + ">0;" +
" SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + // 更新父文件夹的笔记数量减1
" WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + // 父文件夹ID为删除笔记的父文件夹ID
" AND " + NoteColumns.NOTES_COUNT + ">0;" + // 仅当笔记数量大于0时更新
" END";
/**
* Update note's content when insert data with type {@link DataConstants#NOTE}
* {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER =
"CREATE TRIGGER update_note_content_on_insert " +
" AFTER INSERT ON " + TABLE.DATA +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 当插入的数据类型为笔记时
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + // 更新笔记的摘要为新插入的数据内容
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + // 笔记ID为新插入数据关联的笔记ID
" END";
/**
* Update note's content when data with {@link DataConstants#NOTE} type has changed
* {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER =
"CREATE TRIGGER update_note_content_on_update " +
" AFTER UPDATE ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 当更新的数据类型为笔记时
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT +
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" +
" SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + // 更新笔记的摘要为更新后的数据内容
" WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + // 笔记ID为更新数据关联的笔记ID
" END";
/**
* Update note's content when data with {@link DataConstants#NOTE} type has deleted
* {@link DataConstants#NOTE}
*/
private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER =
"CREATE TRIGGER update_note_content_on_delete " +
" AFTER delete ON " + TABLE.DATA +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" +
" WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + // 当删除的数据类型为笔记时
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.SNIPPET + "=''" +
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" +
" SET " + NoteColumns.SNIPPET + "=''" + // 清空笔记的摘要
" WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + // 笔记ID为删除数据关联的笔记ID
" END";
/**
* Delete datas belong to note which has been deleted
*
*/
private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER =
"CREATE TRIGGER delete_data_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.DATA +
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" +
" DELETE FROM " + TABLE.DATA + // 删除data表中与笔记ID关联的所有数据
" WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + // 笔记ID为删除笔记的ID
" END";
/**
* Delete notes belong to folder which has been deleted
*
*/
private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER =
"CREATE TRIGGER folder_delete_notes_on_delete " +
" AFTER DELETE ON " + TABLE.NOTE +
" BEGIN" +
" DELETE FROM " + TABLE.NOTE +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" DELETE FROM " + TABLE.NOTE + // 删除note表中与文件夹ID关联的所有笔记
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + // 父文件夹ID为删除文件夹的ID
" END";
/**
* Move notes belong to folder which has been moved to trash folder
*
*/
private static final String FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER =
"CREATE TRIGGER folder_move_notes_on_trash " +
" AFTER UPDATE ON " + TABLE.NOTE +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHEN new." + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + // 当笔记被移动到回收站文件夹时
" BEGIN" +
" UPDATE " + TABLE.NOTE +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER +
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" +
" SET " + NoteColumns.PARENT_ID + "=" + Notes.ID_TRASH_FOLER + // 将笔记的父文件夹ID设置为回收站文件夹ID
" WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + // 笔记的父文件夹ID为移动前的文件夹ID
" END";
// 构造函数,初始化数据库帮助器
public NotesDatabaseHelper(Context context) {
super(context, DB_NAME, null, DB_VERSION);
}
// 创建笔记表的方法
public void createNoteTable(SQLiteDatabase db) {
db.execSQL(CREATE_NOTE_TABLE_SQL);
reCreateNoteTableTriggers(db);
createSystemFolder(db);
Log.d(TAG, "note table has been created");
db.execSQL(CREATE_NOTE_TABLE_SQL); // 执行创建笔记表的SQL语句
reCreateNoteTableTriggers(db); // 重新创建笔记表的触发器
createSystemFolder(db); // 创建系统文件夹
Log.d(TAG, "note table has been created"); // 记录日志,表示笔记表已创建
}
// 重新创建笔记表触发器的方法
private void reCreateNoteTableTriggers(SQLiteDatabase db) {
// 删除旧的触发器
db.execSQL("DROP TRIGGER IF EXISTS increase_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_update");
db.execSQL("DROP TRIGGER IF EXISTS decrease_folder_count_on_delete");
@ -226,6 +237,7 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL("DROP TRIGGER IF EXISTS folder_delete_notes_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS folder_move_notes_on_trash");
// 创建新的触发器
db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER);
db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER);
@ -235,128 +247,147 @@ public class NotesDatabaseHelper extends SQLiteOpenHelper {
db.execSQL(FOLDER_MOVE_NOTES_ON_TRASH_TRIGGER);
}
// 创建系统文件夹的方法
private void createSystemFolder(SQLiteDatabase db) {
ContentValues values = new ContentValues();
/**
* call record foler for call notes
*
*/
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
values.put(NoteColumns.ID, Notes.ID_CALL_RECORD_FOLDER); // 设置系统文件夹ID
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 设置文件夹类型为系统类型
db.insert(TABLE.NOTE, null, values); // 插入通话记录文件夹到笔记表
/**
* root folder which is default folder
*
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
values.clear(); // 清空之前插入的值
values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); // 设置系统文件夹ID
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 设置文件夹类型为系统类型
db.insert(TABLE.NOTE, null, values); // 插入根文件夹到笔记表
/**
* temporary folder which is used for moving note
*
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
values.clear(); // 清空之前插入的值
values.put(NoteColumns.ID, Notes.ID_TEMPARAY_FOLDER); // 设置系统文件夹ID
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 设置文件夹类型为系统类型
db.insert(TABLE.NOTE, null, values); // 插入临时文件夹到笔记表
/**
* create trash folder
*
*/
values.clear();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
values.clear(); // 清空之前插入的值
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); // 设置系统文件夹ID
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 设置文件夹类型为系统类型
db.insert(TABLE.NOTE, null, values); // 插入回收站文件夹到笔记表
}
// 创建数据表的方法
public void createDataTable(SQLiteDatabase db) {
db.execSQL(CREATE_DATA_TABLE_SQL);
reCreateDataTableTriggers(db);
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL);
Log.d(TAG, "data table has been created");
db.execSQL(CREATE_DATA_TABLE_SQL); // 执行创建数据表的SQL语句
reCreateDataTableTriggers(db); // 重新创建数据表的触发器
db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); // 创建note_id索引
Log.d(TAG, "data table has been created"); // 记录日志,表示数据表已创建
}
// 重新创建数据表触发器的方法
private void reCreateDataTableTriggers(SQLiteDatabase db) {
// 删除旧的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_update");
db.execSQL("DROP TRIGGER IF EXISTS update_note_content_on_delete");
// 创建新的触发器
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER);
db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER);
}
// 获取 NotesDatabaseHelper 单例实例的方法
static synchronized NotesDatabaseHelper getInstance(Context context) {
if (mInstance == null) {
mInstance = new NotesDatabaseHelper(context);
mInstance = new NotesDatabaseHelper(context); // 初始化单例实例
}
return mInstance;
return mInstance; // 返回单例实例
}
// 当数据库第一次创建时调用的方法
@Override
public void onCreate(SQLiteDatabase db) {
createNoteTable(db);
createDataTable(db);
createNoteTable(db); // 创建笔记表
createDataTable(db); // 创建数据表
}
// 当数据库需要升级时调用的方法
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
boolean reCreateTriggers = false;
boolean skipV2 = false;
// 如果当前版本是1直接删除旧表并创建新表
if (oldVersion == 1) {
upgradeToV2(db);
skipV2 = true; // this upgrade including the upgrade from v2 to v3
upgradeToV2(db); // 升级到版本2
skipV2 = true; // 这次升级包含了从v2到v3的升级
oldVersion++;
}
// 如果当前版本是2添加新的列并创建系统文件夹
if (oldVersion == 2 && !skipV2) {
upgradeToV3(db);
reCreateTriggers = true;
upgradeToV3(db); // 升级到版本3
reCreateTriggers = true; // 标记需要重新创建触发器
oldVersion++;
}
// 如果当前版本是3添加版本号列
if (oldVersion == 3) {
upgradeToV4(db);
upgradeToV4(db); // 升级到版本4
oldVersion++;
}
// 如果需要重新创建触发器,调用相应的方法
if (reCreateTriggers) {
reCreateNoteTableTriggers(db);
reCreateDataTableTriggers(db);
reCreateNoteTableTriggers(db); // 重新创建笔记表的触发器
reCreateDataTableTriggers(db); // 重新创建数据表的触发器
}
// 如果升级失败,抛出异常
if (oldVersion != newVersion) {
throw new IllegalStateException("Upgrade notes database to version " + newVersion
+ "fails");
+ " fails"); // 抛出异常,表示数据库升级失败
}
}
// 升级到数据库版本2的方法
private void upgradeToV2(SQLiteDatabase db) {
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA);
createNoteTable(db);
createDataTable(db);
db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); // 删除旧的笔记表
db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); // 删除旧的数据表
createNoteTable(db); // 创建新的笔记表
createDataTable(db); // 创建新的数据表
}
// 升级到数据库版本3的方法
private void upgradeToV3(SQLiteDatabase db) {
// drop unused triggers
// 删除不再使用的触发器
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_insert");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_delete");
db.execSQL("DROP TRIGGER IF EXISTS update_note_modified_date_on_update");
// add a column for gtask id
// 添加 gtask id 列
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.GTASK_ID
+ " TEXT NOT NULL DEFAULT ''");
// add a trash system folder
+ " TEXT NOT NULL DEFAULT ''"); // 为笔记表添加gtask_id列
// 添加回收站系统文件夹
ContentValues values = new ContentValues();
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER);
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
db.insert(TABLE.NOTE, null, values);
values.put(NoteColumns.ID, Notes.ID_TRASH_FOLER); // 设置系统文件夹ID
values.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); // 设置文件夹类型为系统类型
db.insert(TABLE.NOTE, null, values); // 插入回收站文件夹到笔记表
}
// 升级到数据库版本4的方法
private void upgradeToV4(SQLiteDatabase db) {
// 添加版本号列
db.execSQL("ALTER TABLE " + TABLE.NOTE + " ADD COLUMN " + NoteColumns.VERSION
+ " INTEGER NOT NULL DEFAULT 0");
+ " INTEGER NOT NULL DEFAULT 0"); // 为笔记表添加version列
}
}

@ -16,7 +16,6 @@
package net.micode.notes.data;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentUris;
@ -34,22 +33,26 @@ import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
public class NotesProvider extends ContentProvider {
// UriMatcher用于匹配不同的URI请求帮助识别是请求笔记还是笔记数据或是搜索请求等并返回相应的请求类型代码
private static final UriMatcher mMatcher;
// 数据库辅助类,用于创建和管理数据库
private NotesDatabaseHelper mHelper;
// 日志标签,便于调试和日志记录
private static final String TAG = "NotesProvider";
private static final int URI_NOTE = 1;
private static final int URI_NOTE_ITEM = 2;
private static final int URI_DATA = 3;
private static final int URI_DATA_ITEM = 4;
// 定义URI请求类型常量
private static final int URI_NOTE = 1; // 匹配所有笔记的URI
private static final int URI_NOTE_ITEM = 2; // 匹配特定笔记ID的URI
private static final int URI_DATA = 3; // 匹配所有笔记数据的URI
private static final int URI_DATA_ITEM = 4; // 匹配特定笔记数据ID的URI
private static final int URI_SEARCH = 5;
private static final int URI_SEARCH_SUGGEST = 6;
private static final int URI_SEARCH = 5; // 匹配搜索请求的URI
private static final int URI_SEARCH_SUGGEST = 6; // 匹配搜索建议请求的URI
// 静态代码块在类加载时初始化UriMatcher添加各种URI模式及其对应的代码
static {
mMatcher = new UriMatcher(UriMatcher.NO_MATCH);
mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE);
@ -62,8 +65,9 @@ public class NotesProvider extends ContentProvider {
}
/**
* x'0A' represents the '\n' character in sqlite. For title and content in the search result,
* we will trim '\n' and white space in order to show more information.
* x'0A'sqlite'\n'
* '\n'便
* ID便
*/
private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + ","
+ NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + ","
@ -73,233 +77,266 @@ public class NotesProvider extends ContentProvider {
+ "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + ","
+ "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA;
// SQL查询语句用于根据搜索字符串查询笔记片段。查询结果将用于搜索功能和搜索建议。
private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION
+ " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.SNIPPET + " LIKE ?"
+ " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER
+ " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE;
// 创建ContentProvider时调用初始化NotesDatabaseHelper以准备数据库操作
@Override
public boolean onCreate() {
mHelper = NotesDatabaseHelper.getInstance(getContext());
mHelper = NotesDatabaseHelper.getInstance(getContext()); // 获取数据库帮助器的单例实例
return true;
}
// 根据不同的URI请求类型执行查询操作返回查询结果的游标
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
String sortOrder) {
Cursor c = null;
SQLiteDatabase db = mHelper.getReadableDatabase();
SQLiteDatabase db = mHelper.getReadableDatabase(); // 获取可读的数据库实例
String id = null;
switch (mMatcher.match(uri)) {
case URI_NOTE:
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null,
sortOrder);
// 查询所有笔记,返回符合条件的所有笔记游标
c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, sortOrder);
break;
case URI_NOTE_ITEM:
id = uri.getPathSegments().get(1);
// 查询特定ID的笔记返回符合条件的单条笔记游标
id = uri.getPathSegments().get(1); // 获取URI路径中的笔记ID
c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_DATA:
c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null,
sortOrder);
// 查询所有笔记数据,返回符合条件的所有笔记数据游标
c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, sortOrder);
break;
case URI_DATA_ITEM:
id = uri.getPathSegments().get(1);
// 查询特定ID的笔记数据返回符合条件的单条笔记数据游标
id = uri.getPathSegments().get(1); // 获取URI路径中的笔记数据ID
c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs, null, null, sortOrder);
break;
case URI_SEARCH:
case URI_SEARCH_SUGGEST:
// 搜索时不允许指定排序条件、选择条件、选择参数或投影,以确保搜索结果的一致性
if (sortOrder != null || projection != null) {
throw new IllegalArgumentException(
"do not specify sortOrder, selection, selectionArgs, or projection" + "with this query");
"不允许在搜索时指定排序条件、选择条件、选择参数或投影");
}
String searchString = null;
// 获取搜索字符串
if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) {
if (uri.getPathSegments().size() > 1) {
searchString = uri.getPathSegments().get(1);
searchString = uri.getPathSegments().get(1); // 从URI路径中获取搜索字符串
}
} else {
searchString = uri.getQueryParameter("pattern");
searchString = uri.getQueryParameter("pattern"); // 从URI查询参数中获取搜索字符串
}
// 如果搜索字符串为空返回null
if (TextUtils.isEmpty(searchString)) {
return null;
}
try {
// 格式化搜索字符串使其可以用于LIKE查询。例如如果搜索字符串是"abc",则格式化后的字符串是"%abc%"
searchString = String.format("%%%s%%", searchString);
// 执行搜索查询,返回搜索结果游标
c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY,
new String[] { searchString });
} catch (IllegalStateException ex) {
Log.e(TAG, "got exception: " + ex.toString());
Log.e(TAG, "发生异常: " + ex.toString()); // 记录异常日志
}
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
// 如果URI请求类型未知抛出异常以提示错误
throw new IllegalArgumentException("未知的URI " + uri);
}
// 设置游标的通知URI以便内容变化时通知监听者。这有助于UI更新和数据同步。
if (c != null) {
c.setNotificationUri(getContext().getContentResolver(), uri);
}
return c;
return c; // 返回查询结果游标
}
// 根据不同的URI请求类型插入数据返回插入数据的URI
@Override
public Uri insert(Uri uri, ContentValues values) {
SQLiteDatabase db = mHelper.getWritableDatabase();
SQLiteDatabase db = mHelper.getWritableDatabase(); // 获取可写的数据库实例
long dataId = 0, noteId = 0, insertedId = 0;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 插入新的笔记返回插入笔记的ID
insertedId = noteId = db.insert(TABLE.NOTE, null, values);
break;
case URI_DATA:
// 插入新的笔记数据返回插入数据的ID
if (values.containsKey(DataColumns.NOTE_ID)) {
noteId = values.getAsLong(DataColumns.NOTE_ID);
noteId = values.getAsLong(DataColumns.NOTE_ID); // 获取关联的笔记ID
} else {
Log.d(TAG, "Wrong data format without note id:" + values.toString());
Log.d(TAG, "数据格式错误缺少笔记ID:" + values.toString()); // 记录日志,表示数据格式错误
}
insertedId = dataId = db.insert(TABLE.DATA, null, values);
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
// 如果URI请求类型未知抛出异常以提示错误
throw new IllegalArgumentException("未知的URI " + uri);
}
// Notify the note uri
// 通知笔记URI变化以便UI更新和数据同步
if (noteId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null);
}
// Notify the data uri
// 通知数据URI变化以便UI更新和数据同步
if (dataId > 0) {
getContext().getContentResolver().notifyChange(
ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null);
}
return ContentUris.withAppendedId(uri, insertedId);
return ContentUris.withAppendedId(uri, insertedId); // 返回插入数据的URI
}
// 根据不同的URI请求类型删除数据返回删除的数据条目数
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
SQLiteDatabase db = mHelper.getWritableDatabase();
SQLiteDatabase db = mHelper.getWritableDatabase(); // 获取可写的数据库实例
boolean deleteData = false;
switch (mMatcher.match(uri)) {
case URI_NOTE:
selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 ";
// 删除笔记时确保ID大于0以防止删除系统文件夹
selection = " AND (" + selection + ") AND " + NoteColumns.ID + ">0 ";
count = db.delete(TABLE.NOTE, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
id = uri.getPathSegments().get(1);
/**
* ID that smaller than 0 is system folder which is not allowed to
* trash
*/
id = uri.getPathSegments().get(1); // 获取URI路径中的笔记ID
long noteId = Long.valueOf(id);
// ID小于等于0的笔记为系统文件夹不允许删除
if (noteId <= 0) {
break;
}
// 删除特定ID的笔记
count = db.delete(TABLE.NOTE,
NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 删除笔记数据
count = db.delete(TABLE.DATA, selection, selectionArgs);
deleteData = true;
break;
case URI_DATA_ITEM:
id = uri.getPathSegments().get(1);
id = uri.getPathSegments().get(1); // 获取URI路径中的笔记数据ID
// 删除特定ID的笔记数据
count = db.delete(TABLE.DATA,
DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs);
deleteData = true;
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
// 如果URI请求类型未知抛出异常以提示错误
throw new IllegalArgumentException("未知的URI " + uri);
}
// 如果有数据被删除通知URI变化以便UI更新和数据同步
if (count > 0) {
if (deleteData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); // 通知笔记URI变化
}
getContext().getContentResolver().notifyChange(uri, null);
getContext().getContentResolver().notifyChange(uri, null); // 通知特定数据URI变化
}
return count;
return count; // 返回删除的数据条目数
}
// 根据不同的URI请求类型更新数据返回更新的数据条目数
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
int count = 0;
String id = null;
SQLiteDatabase db = mHelper.getWritableDatabase();
SQLiteDatabase db = mHelper.getWritableDatabase(); // 获取可写的数据库实例
boolean updateData = false;
switch (mMatcher.match(uri)) {
case URI_NOTE:
// 更新笔记时,增加笔记版本号,以记录笔记的修改历史
increaseNoteVersion(-1, selection, selectionArgs);
count = db.update(TABLE.NOTE, values, selection, selectionArgs);
break;
case URI_NOTE_ITEM:
id = uri.getPathSegments().get(1);
increaseNoteVersion(Long.valueOf(id), selection, selectionArgs);
id = uri.getPathSegments().get(1); // 获取URI路径中的笔记ID
long noteId = Long.valueOf(id);
// 更新特定ID的笔记并增加笔记版本号
increaseNoteVersion(noteId, selection, selectionArgs);
count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
break;
case URI_DATA:
// 更新笔记数据
count = db.update(TABLE.DATA, values, selection, selectionArgs);
updateData = true;
break;
case URI_DATA_ITEM:
id = uri.getPathSegments().get(1);
id = uri.getPathSegments().get(1); // 获取URI路径中的笔记数据ID
// 更新特定ID的笔记数据
count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id
+ parseSelection(selection), selectionArgs);
updateData = true;
break;
default:
throw new IllegalArgumentException("Unknown URI " + uri);
// 如果URI请求类型未知抛出异常以提示错误
throw new IllegalArgumentException("未知的URI " + uri);
}
// 如果有数据被更新通知URI变化以便UI更新和数据同步
if (count > 0) {
if (updateData) {
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null);
getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); // 通知笔记URI变化
}
getContext().getContentResolver().notifyChange(uri, null);
getContext().getContentResolver().notifyChange(uri, null); // 通知特定数据URI变化
}
return count;
return count; // 返回更新的数据条目数
}
// 解析选择条件字符串如果存在选择条件则添加到SQL查询中。用于处理动态SQL查询条件
private String parseSelection(String selection) {
// 如果选择条件不为空则将其添加到SQL查询中
return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : "");
}
// 增加笔记版本号用于记录笔记的修改历史。每当笔记被更新时版本号会自动加1
private void increaseNoteVersion(long id, String selection, String[] selectionArgs) {
StringBuilder sql = new StringBuilder(120);
sql.append("UPDATE ");
sql.append(TABLE.NOTE);
sql.append(" SET ");
sql.append(NoteColumns.VERSION);
sql.append("=" + NoteColumns.VERSION + "+1 ");
sql.append("=" + NoteColumns.VERSION + "+1 "); // 将笔记版本号加1
// 构建WHERE子句以指定更新哪个笔记
if (id > 0 || !TextUtils.isEmpty(selection)) {
sql.append(" WHERE ");
}
if (id > 0) {
sql.append(NoteColumns.ID + "=" + String.valueOf(id));
sql.append(NoteColumns.ID + "=" + String.valueOf(id)); // 指定更新特定ID的笔记
}
if (!TextUtils.isEmpty(selection)) {
String selectString = id > 0 ? parseSelection(selection) : selection;
for (String args : selectionArgs) {
selectString = selectString.replaceFirst("\\?", args);
selectString = selectString.replaceFirst("\\?", args); // 替换选择条件中的占位符
}
sql.append(selectString);
}
// 执行更新操作,增加笔记的版本号
mHelper.getWritableDatabase().execSQL(sql.toString());
}
// 返回URI对应的数据类型。这里未实现返回null。通常需要根据URI返回相应的MIME类型。
@Override
public String getType(Uri uri) {
// TODO Auto-generated method stub
return null;
return null; // 未实现返回null
}
}

@ -14,69 +14,85 @@
* limitations under the License.
*/
package net.micode.notes.gtask.data;
import android.database.Cursor;
// 导入Log类用于日志记录
import android.util.Log;
// 导入工具类用于字符串操作
import net.micode.notes.tool.GTaskStringUtils;
// 导入JSON相关类
import org.json.JSONException;
import org.json.JSONObject;
// 定义一个MetaData类继承自Task类
public class MetaData extends Task {
// 定义一个静态常量TAG用于日志标识
private final static String TAG = MetaData.class.getSimpleName();
// 定义一个私有字符串变量mRelatedGid用于存储相关的GID
private String mRelatedGid = null;
// 设置元数据的方法接收GID和JSON对象
public void setMeta(String gid, JSONObject metaInfo) {
try {
// 将GID放入metaInfo JSON对象中
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
} catch (JSONException e) {
// 如果放入失败,记录错误日志
Log.e(TAG, "failed to put related gid");
}
// 设置笔记内容为metaInfo的字符串形式
setNotes(metaInfo.toString());
// 设置笔记名称
setName(GTaskStringUtils.META_NOTE_NAME);
}
// 获取相关GID的方法
public String getRelatedGid() {
return mRelatedGid;
return mRelatedGid; // 返回mRelatedGid
}
// 重写isWorthSaving方法判断是否值得保存
@Override
public boolean isWorthSaving() {
return getNotes() != null;
return getNotes() != null; // 如果笔记内容不为null则值得保存
}
// 重写从远程JSON设置内容的方法
@Override
public void setContentByRemoteJSON(JSONObject js) {
super.setContentByRemoteJSON(js);
super.setContentByRemoteJSON(js); // 调用父类的方法
// 如果笔记内容不为null
if (getNotes() != null) {
try {
// 创建一个JSON对象metaInfo并从笔记内容中解析
JSONObject metaInfo = new JSONObject(getNotes().trim());
// 获取相关GID并赋值给mRelatedGid
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
} catch (JSONException e) {
// 捕获JSON处理异常记录警告日志并将mRelatedGid设为null
Log.w(TAG, "failed to get related gid");
mRelatedGid = null;
}
}
}
// 重写从本地JSON设置内容的方法该方法不应该被调用
@Override
public void setContentByLocalJSON(JSONObject js) {
// this function should not be called
// 抛出IllegalAccessError异常表示该方法不应被调用
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
}
// 重写从内容获取本地JSON的方法该方法不应该被调用
@Override
public JSONObject getLocalJSONFromContent() {
// 抛出IllegalAccessError异常表示该方法不应被调用
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
}
// 重写获取同步操作的方法,该方法不应该被调用
@Override
public int getSyncAction(Cursor c) {
// 抛出IllegalAccessError异常表示该方法不应被调用
throw new IllegalAccessError("MetaData:getSyncAction should not be called");
}
}

@ -14,88 +14,97 @@
* limitations under the License.
*/
// 定义包名
package net.micode.notes.gtask.data;
// 导入Cursor类用于数据库操作
import android.database.Cursor;
// 导入JSON相关类
import org.json.JSONObject;
// 声明一个抽象类Node
public abstract class Node {
public static final int SYNC_ACTION_NONE = 0;
public static final int SYNC_ACTION_ADD_REMOTE = 1;
public static final int SYNC_ACTION_ADD_LOCAL = 2;
public static final int SYNC_ACTION_DEL_REMOTE = 3;
public static final int SYNC_ACTION_DEL_LOCAL = 4;
public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
public static final int SYNC_ACTION_ERROR = 8;
private String mGid;
private String mName;
private long mLastModified;
private boolean mDeleted;
// 定义同步操作的常量
public static final int SYNC_ACTION_NONE = 0; // 无同步操作
public static final int SYNC_ACTION_ADD_REMOTE = 1; // 从远程添加
public static final int SYNC_ACTION_ADD_LOCAL = 2; // 从本地添加
public static final int SYNC_ACTION_DEL_REMOTE = 3; // 从远程删除
public static final int SYNC_ACTION_DEL_LOCAL = 4; // 从本地删除
public static final int SYNC_ACTION_UPDATE_REMOTE = 5; // 从远程更新
public static final int SYNC_ACTION_UPDATE_LOCAL = 6; // 从本地更新
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; // 更新冲突
public static final int SYNC_ACTION_ERROR = 8; // 错误状态
// 定义私有成员变量
private String mGid; // 唯一标识符
private String mName; // 名称
private long mLastModified; // 最后修改时间
private boolean mDeleted; // 是否已删除
// Node类的构造函数
public Node() {
mGid = null;
mName = "";
mLastModified = 0;
mDeleted = false;
mGid = null; // 初始化GID为null
mName = ""; // 初始化名称为空字符串
mLastModified = 0; // 初始化最后修改时间为0
mDeleted = false; // 初始化删除状态为false
}
// 抽象方法返回创建操作的JSON对象
public abstract JSONObject getCreateAction(int actionId);
// 抽象方法返回更新操作的JSON对象
public abstract JSONObject getUpdateAction(int actionId);
// 抽象方法通过远程JSON设置内容
public abstract void setContentByRemoteJSON(JSONObject js);
// 抽象方法通过本地JSON设置内容
public abstract void setContentByLocalJSON(JSONObject js);
// 抽象方法从内容获取本地JSON
public abstract JSONObject getLocalJSONFromContent();
// 抽象方法,从数据库游标获取同步操作
public abstract int getSyncAction(Cursor c);
// 设置GID的方法
public void setGid(String gid) {
this.mGid = gid;
this.mGid = gid; // 赋值
}
// 设置名称的方法
public void setName(String name) {
this.mName = name;
this.mName = name; // 赋值
}
// 设置最后修改时间的方法
public void setLastModified(long lastModified) {
this.mLastModified = lastModified;
this.mLastModified = lastModified; // 赋值
}
// 设置删除状态的方法
public void setDeleted(boolean deleted) {
this.mDeleted = deleted;
this.mDeleted = deleted; // 赋值
}
// 获取GID的方法
public String getGid() {
return this.mGid;
return this.mGid; // 返回GID
}
// 获取名称的方法
public String getName() {
return this.mName;
return this.mName; // 返回名称
}
// 获取最后修改时间的方法
public long getLastModified() {
return this.mLastModified;
return this.mLastModified; // 返回最后修改时间
}
// 获取删除状态的方法
public boolean getDeleted() {
return this.mDeleted;
return this.mDeleted; // 返回删除状态
}
}

@ -14,158 +14,166 @@
* limitations under the License.
*/
// 定义包名
package net.micode.notes.gtask.data;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
// 导入所需的类
import android.content.ContentResolver; // 用于内容解析的类
import android.content.ContentUris; // 处理内容URI的类
import android.content.ContentValues; // 用于存储内容数据的类
import android.content.Context; // Android上下文类
import android.database.Cursor; // 数据库操作的游标类
import android.net.Uri; // 数据库URI的类
import android.util.Log; // 日志记录类
// 导入Note和相关数据列类
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.data.NotesDatabaseHelper.TABLE; // 数据库表
import net.micode.notes.gtask.exception.ActionFailureException; // 自定义异常类
// 导入JSON相关类
import org.json.JSONException;
import org.json.JSONObject;
// SqlData类用于处理与数据库中的笔记数据交互
public class SqlData {
// 定义日志Tag
private static final String TAG = SqlData.class.getSimpleName();
// 定义无效ID常量
private static final int INVALID_ID = -99999;
// 定义用于查询的数据列投影
public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3
};
public static final int DATA_ID_COLUMN = 0;
public static final int DATA_MIME_TYPE_COLUMN = 1;
public static final int DATA_CONTENT_COLUMN = 2;
public static final int DATA_CONTENT_DATA_1_COLUMN = 3;
public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
private ContentResolver mContentResolver;
private boolean mIsCreate;
private long mDataId;
private String mDataMimeType;
private String mDataContent;
private long mDataContentData1;
private String mDataContentData3;
private ContentValues mDiffDataValues;
// 定义数据列在投影中的索引
public static final int DATA_ID_COLUMN = 0; // ID列索引
public static final int DATA_MIME_TYPE_COLUMN = 1; // MIME类型列索引
public static final int DATA_CONTENT_COLUMN = 2; // 内容列索引
public static final int DATA_CONTENT_DATA_1_COLUMN = 3; // 数据1列索引
public static final int DATA_CONTENT_DATA_3_COLUMN = 4; // 数据3列索引
// 定义成员变量
private ContentResolver mContentResolver; // 内容解析器
private boolean mIsCreate; // 是否为创建状态
private long mDataId; // 数据ID
private String mDataMimeType; // 数据MIME类型
private String mDataContent; // 数据内容
private long mDataContentData1; // 内容数据1
private String mDataContentData3; // 内容数据3
private ContentValues mDiffDataValues; // 存储差异数据的ContentValues
// 构造函数用于创建新SQL数据
public SqlData(Context context) {
mContentResolver = context.getContentResolver();
mIsCreate = true;
mDataId = INVALID_ID;
mDataMimeType = DataConstants.NOTE;
mDataContent = "";
mDataContentData1 = 0;
mDataContentData3 = "";
mDiffDataValues = new ContentValues();
mContentResolver = context.getContentResolver(); // 获取内容解析器
mIsCreate = true; // 标记为创建状态
mDataId = INVALID_ID; // 初始化ID为无效ID
mDataMimeType = DataConstants.NOTE; // 设置默认MIME类型
mDataContent = ""; // 初始化内容为空字符串
mDataContentData1 = 0; // 初始化数据1为0
mDataContentData3 = ""; // 初始化数据3为空字符串
mDiffDataValues = new ContentValues(); // 创建新的ContentValues
}
// 构造函数用于从Cursor中加载现有SQL数据
public SqlData(Context context, Cursor c) {
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(c);
mDiffDataValues = new ContentValues();
mContentResolver = context.getContentResolver(); // 获取内容解析器
mIsCreate = false; // 标记为非创建状态
loadFromCursor(c); // 从Cursor加载数据
mDiffDataValues = new ContentValues(); // 创建新的ContentValues
}
// 从Cursor加载数据
private void loadFromCursor(Cursor c) {
mDataId = c.getLong(DATA_ID_COLUMN);
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
mDataContent = c.getString(DATA_CONTENT_COLUMN);
mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN);
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
mDataId = c.getLong(DATA_ID_COLUMN); // 获取ID
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); // 获取MIME类型
mDataContent = c.getString(DATA_CONTENT_COLUMN); // 获取内容
mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); // 获取数据1
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); // 获取数据3
}
// 设置内容从JSON中提取数据
public void setContent(JSONObject js) throws JSONException {
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID;
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; // 获取ID
if (mIsCreate || mDataId != dataId) {
mDiffDataValues.put(DataColumns.ID, dataId);
mDiffDataValues.put(DataColumns.ID, dataId); // 存储ID到差异数据
}
mDataId = dataId;
mDataId = dataId; // 更新ID
String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE)
: DataConstants.NOTE;
: DataConstants.NOTE; // 获取MIME类型
if (mIsCreate || !mDataMimeType.equals(dataMimeType)) {
mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType);
mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); // 存储MIME类型
}
mDataMimeType = dataMimeType;
mDataMimeType = dataMimeType; // 更新MIME类型
String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : "";
String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; // 获取内容
if (mIsCreate || !mDataContent.equals(dataContent)) {
mDiffDataValues.put(DataColumns.CONTENT, dataContent);
mDiffDataValues.put(DataColumns.CONTENT, dataContent); // 存储内容
}
mDataContent = dataContent;
mDataContent = dataContent; // 更新内容
long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0;
long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; // 获取数据1
if (mIsCreate || mDataContentData1 != dataContentData1) {
mDiffDataValues.put(DataColumns.DATA1, dataContentData1);
mDiffDataValues.put(DataColumns.DATA1, dataContentData1); // 存储数据1
}
mDataContentData1 = dataContentData1;
mDataContentData1 = dataContentData1; // 更新数据1
String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : "";
String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; // 获取数据3
if (mIsCreate || !mDataContentData3.equals(dataContentData3)) {
mDiffDataValues.put(DataColumns.DATA3, dataContentData3);
mDiffDataValues.put(DataColumns.DATA3, dataContentData3); // 存储数据3
}
mDataContentData3 = dataContentData3;
mDataContentData3 = dataContentData3; // 更新数据3
}
// 获取内容返回JSON对象
public JSONObject getContent() throws JSONException {
if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet");
return null;
Log.e(TAG, "it seems that we haven't created this in database yet"); // 日志输出
return null; // 如果是创建状态返回null
}
JSONObject js = new JSONObject();
js.put(DataColumns.ID, mDataId);
js.put(DataColumns.MIME_TYPE, mDataMimeType);
js.put(DataColumns.CONTENT, mDataContent);
js.put(DataColumns.DATA1, mDataContentData1);
js.put(DataColumns.DATA3, mDataContentData3);
return js;
JSONObject js = new JSONObject(); // 创建JSON对象
js.put(DataColumns.ID, mDataId); // 设置ID
js.put(DataColumns.MIME_TYPE, mDataMimeType); // 设置MIME类型
js.put(DataColumns.CONTENT, mDataContent); // 设置内容
js.put(DataColumns.DATA1, mDataContentData1); // 设置数据1
js.put(DataColumns.DATA3, mDataContentData3); // 设置数据3
return js; // 返回JSON对象
}
// 提交更改到数据库
public void commit(long noteId, boolean validateVersion, long version) {
// 如果是创建状态
if (mIsCreate) {
// 如果ID为无效ID且差异数据包含ID则移除ID
if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
mDiffDataValues.remove(DataColumns.ID);
}
mDiffDataValues.put(DataColumns.NOTE_ID, noteId);
Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues);
mDiffDataValues.put(DataColumns.NOTE_ID, noteId); // 存储笔记ID
Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); // 插入数据
try {
mDataId = Long.valueOf(uri.getPathSegments().get(1));
mDataId = Long.valueOf(uri.getPathSegments().get(1)); // 获取新插入数据的ID
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
throw new ActionFailureException("create note failed");
Log.e(TAG, "Get note id error :" + e.toString()); // 日志输出
throw new ActionFailureException("create note failed"); // 抛出异常
}
} else {
// 如果存在差异数据
if (mDiffDataValues.size() > 0) {
int result = 0;
int result = 0; // 结果计数器
// 判断是否需要验证版本
if (!validateVersion) {
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); // 更新数据
} else {
// 根据版本验证更新数据
result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
@ -174,16 +182,16 @@ public class SqlData {
});
}
if (result == 0) {
Log.w(TAG, "there is no update. maybe user updates note when syncing");
Log.w(TAG, "there is no update. maybe user updates note when syncing"); // 日志输出
}
}
}
mDiffDataValues.clear();
mIsCreate = false;
mDiffDataValues.clear(); // 清空差异数据
mIsCreate = false; // 设置为非创建状态
}
// 获取数据ID
public long getId() {
return mDataId;
return mDataId; // 返回数据ID
}
}

@ -14,35 +14,42 @@
* limitations under the License.
*/
// 定义包名
package net.micode.notes.gtask.data;
import android.appwidget.AppWidgetManager;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.util.Log;
// 导入必要的类
import android.appwidget.AppWidgetManager; // 用于处理小部件
import android.content.ContentResolver; // 用于内容解析的类
import android.content.ContentValues; // 用于存储内容的类
import android.content.Context; // Android上下文类
import android.database.Cursor; // 数据库操作的游标类
import android.net.Uri; // URI的类
import android.util.Log; // 日志记录类
// 导入笔记和相关数据的类
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.tool.ResourceParser;
import net.micode.notes.gtask.exception.ActionFailureException; // 自定义异常类
import net.micode.notes.tool.GTaskStringUtils; // 字符串工具类
import net.micode.notes.tool.ResourceParser; // 资源解析工具类
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import org.json.JSONArray; // JSON数组类
import org.json.JSONException; // JSON异常类
import org.json.JSONObject; // JSON对象类
import java.util.ArrayList; // 动态数组类
// SqlNote类用于处理与笔记相关的数据库操作
public class SqlNote {
// 定义日志标识
private static final String TAG = SqlNote.class.getSimpleName();
// 定义无效ID常量
private static final int INVALID_ID = -99999;
// 定义用于查询的数据列投影
public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
@ -52,454 +59,407 @@ public class SqlNote {
NoteColumns.VERSION
};
public static final int ID_COLUMN = 0;
public static final int ALERTED_DATE_COLUMN = 1;
public static final int BG_COLOR_ID_COLUMN = 2;
public static final int CREATED_DATE_COLUMN = 3;
public static final int HAS_ATTACHMENT_COLUMN = 4;
public static final int MODIFIED_DATE_COLUMN = 5;
public static final int NOTES_COUNT_COLUMN = 6;
public static final int PARENT_ID_COLUMN = 7;
public static final int SNIPPET_COLUMN = 8;
public static final int TYPE_COLUMN = 9;
public static final int WIDGET_ID_COLUMN = 10;
public static final int WIDGET_TYPE_COLUMN = 11;
public static final int SYNC_ID_COLUMN = 12;
public static final int LOCAL_MODIFIED_COLUMN = 13;
public static final int ORIGIN_PARENT_ID_COLUMN = 14;
public static final int GTASK_ID_COLUMN = 15;
public static final int VERSION_COLUMN = 16;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mIsCreate;
private long mId;
private long mAlertDate;
private int mBgColorId;
private long mCreatedDate;
private int mHasAttachment;
private long mModifiedDate;
private long mParentId;
private String mSnippet;
private int mType;
private int mWidgetId;
private int mWidgetType;
private long mOriginParent;
private long mVersion;
private ContentValues mDiffNoteValues;
private ArrayList<SqlData> mDataList;
// 定义数据列在投影中的索引
public static final int ID_COLUMN = 0; // ID列索引
public static final int ALERTED_DATE_COLUMN = 1; // 提醒日期列索引
public static final int BG_COLOR_ID_COLUMN = 2; // 背景颜色ID列索引
public static final int CREATED_DATE_COLUMN = 3; // 创建日期列索引
public static final int HAS_ATTACHMENT_COLUMN = 4; // 是否有附件列索引
public static final int MODIFIED_DATE_COLUMN = 5; // 修改日期列索引
public static final int NOTES_COUNT_COLUMN = 6; // 笔记数量列索引
public static final int PARENT_ID_COLUMN = 7; // 父级ID列索引
public static final int SNIPPET_COLUMN = 8; // 摘要列索引
public static final int TYPE_COLUMN = 9; // 类型列索引
public static final int WIDGET_ID_COLUMN = 10; // 小部件ID列索引
public static final int WIDGET_TYPE_COLUMN = 11; // 小部件类型列索引
public static final int SYNC_ID_COLUMN = 12; // 同步ID列索引
public static final int LOCAL_MODIFIED_COLUMN = 13; // 本地修改时间列索引
public static final int ORIGIN_PARENT_ID_COLUMN = 14; // 原始父级ID列索引
public static final int GTASK_ID_COLUMN = 15; // GTask ID列索引
public static final int VERSION_COLUMN = 16; // 版本列索引
// 定义成员变量
private Context mContext; // 上下文
private ContentResolver mContentResolver; // 内容解析器
private boolean mIsCreate; // 是否为创建状态
private long mId; // 笔记ID
private long mAlertDate; // 提醒日期
private int mBgColorId; // 背景颜色ID
private long mCreatedDate; // 创建日期
private int mHasAttachment; // 是否有附件
private long mModifiedDate; // 修改日期
private long mParentId; // 父级ID
private String mSnippet; // 摘要
private int mType; // 类型
private int mWidgetId; // 小部件ID
private int mWidgetType; // 小部件类型
private long mOriginParent; // 原始父级ID
private long mVersion; // 版本
private ContentValues mDiffNoteValues; // 存储差异数据的ContentValues
private ArrayList<SqlData> mDataList; // 存储数据列表
// 构造函数,用于创建新笔记
public SqlNote(Context context) {
mContext = context;
mContentResolver = context.getContentResolver();
mIsCreate = true;
mId = INVALID_ID;
mAlertDate = 0;
mBgColorId = ResourceParser.getDefaultBgId(context);
mCreatedDate = System.currentTimeMillis();
mHasAttachment = 0;
mModifiedDate = System.currentTimeMillis();
mParentId = 0;
mSnippet = "";
mType = Notes.TYPE_NOTE;
mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
mOriginParent = 0;
mVersion = 0;
mDiffNoteValues = new ContentValues();
mDataList = new ArrayList<SqlData>();
mContext = context; // 保存上下文
mContentResolver = context.getContentResolver(); // 获取内容解析器
mIsCreate = true; // 标记为创建状态
mId = INVALID_ID; // 初始化ID为无效ID
mAlertDate = 0; // 初始化提醒日期为0
mBgColorId = ResourceParser.getDefaultBgId(context); // 获取默认背景颜色ID
mCreatedDate = System.currentTimeMillis(); // 获取当前时间作为创建日期
mHasAttachment = 0; // 初始化无附件
mModifiedDate = System.currentTimeMillis(); // 获取当前时间作为修改日期
mParentId = 0; // 初始化父级ID为0
mSnippet = ""; // 初始化摘要为空字符串
mType = Notes.TYPE_NOTE; // 设置默认类型为笔记
mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; // 默认无效小部件ID
mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 设置无效小部件类型
mOriginParent = 0; // 初始化原始父级ID为0
mVersion = 0; // 初始化版本为0
mDiffNoteValues = new ContentValues(); // 创建新的差异数据ContentValues
mDataList = new ArrayList<SqlData>(); // 创建新的数据列表
}
// 构造函数用于从Cursor中加载现有笔记
public SqlNote(Context context, Cursor c) {
mContext = context;
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(c);
mDataList = new ArrayList<SqlData>();
if (mType == Notes.TYPE_NOTE)
loadDataContent();
mDiffNoteValues = new ContentValues();
mContext = context; // 保存上下文
mContentResolver = context.getContentResolver(); // 获取内容解析器
mIsCreate = false; // 标记为非创建状态
loadFromCursor(c); // 从Cursor加载数据
mDataList = new ArrayList<SqlData>(); // 创建新的数据列表
if (mType == Notes.TYPE_NOTE) // 如果类型为笔记
loadDataContent(); // 加载数据内容
mDiffNoteValues = new ContentValues(); // 创建新的差异数据ContentValues
}
// 构造函数用于根据ID加载笔记
public SqlNote(Context context, long id) {
mContext = context;
mContentResolver = context.getContentResolver();
mIsCreate = false;
loadFromCursor(id);
mDataList = new ArrayList<SqlData>();
if (mType == Notes.TYPE_NOTE)
loadDataContent();
mDiffNoteValues = new ContentValues();
mContext = context; // 保存上下文
mContentResolver = context.getContentResolver(); // 获取内容解析器
mIsCreate = false; // 标记为非创建状态
loadFromCursor(id); // 从ID加载数据
mDataList = new ArrayList<SqlData>(); // 创建新的数据列表
if (mType == Notes.TYPE_NOTE) // 如果类型为笔记
loadDataContent(); // 加载数据内容
mDiffNoteValues = new ContentValues(); // 创建新的差异数据ContentValues
}
// 从Cursor根据ID加载数据
private void loadFromCursor(long id) {
Cursor c = null;
Cursor c = null; // 游标初始化
try {
// 查询笔记数据
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(id)
}, null);
if (c != null) {
c.moveToNext();
loadFromCursor(c);
new String[] { String.valueOf(id) }, null);
if (c != null) { // 如果游标不为空
c.moveToNext(); // 移动到下一条记录
loadFromCursor(c); // 从Cursor加载数据
} else {
Log.w(TAG, "loadFromCursor: cursor = null");
Log.w(TAG, "loadFromCursor: cursor = null"); // 日志输出
}
} finally {
if (c != null)
c.close();
if (c != null) // 如果游标不为空
c.close(); // 关闭游标
}
}
// 从Cursor加载数据
private void loadFromCursor(Cursor c) {
mId = c.getLong(ID_COLUMN);
mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
mCreatedDate = c.getLong(CREATED_DATE_COLUMN);
mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN);
mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN);
mParentId = c.getLong(PARENT_ID_COLUMN);
mSnippet = c.getString(SNIPPET_COLUMN);
mType = c.getInt(TYPE_COLUMN);
mWidgetId = c.getInt(WIDGET_ID_COLUMN);
mWidgetType = c.getInt(WIDGET_TYPE_COLUMN);
mVersion = c.getLong(VERSION_COLUMN);
mId = c.getLong(ID_COLUMN); // 获取ID
mAlertDate = c.getLong(ALERTED_DATE_COLUMN); // 获取提醒日期
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); // 获取背景颜色ID
mCreatedDate = c.getLong(CREATED_DATE_COLUMN); // 获取创建日期
mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); // 获取是否有附件
mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); // 获取修改日期
mParentId = c.getLong(PARENT_ID_COLUMN); // 获取父级ID
mSnippet = c.getString(SNIPPET_COLUMN); // 获取摘要
mType = c.getInt(TYPE_COLUMN); // 获取类型
mWidgetId = c.getInt(WIDGET_ID_COLUMN); // 获取小部件ID
mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); // 获取小部件类型
mVersion = c.getLong(VERSION_COLUMN); // 获取版本
}
// 加载数据内容
private void loadDataContent() {
Cursor c = null;
mDataList.clear();
Cursor c = null; // 游标初始化
mDataList.clear(); // 清空数据列表
try {
// 查询数据内容
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
"(note_id=?)", new String[] {
String.valueOf(mId)
}, null);
if (c != null) {
if (c.getCount() == 0) {
Log.w(TAG, "it seems that the note has not data");
return;
"(note_id=?)", new String[] { String.valueOf(mId) }, null);
if (c != null) { // 如果游标不为空
if (c.getCount() == 0) { // 如果没有数据
Log.w(TAG, "it seems that the note has not data"); // 日志输出
return; // 退出方法
}
while (c.moveToNext()) {
SqlData data = new SqlData(mContext, c);
mDataList.add(data);
while (c.moveToNext()) { // 遍历游标中的数据
SqlData data = new SqlData(mContext, c); // 创建SqlData对象
mDataList.add(data); // 添加到数据列表
}
} else {
Log.w(TAG, "loadDataContent: cursor = null");
Log.w(TAG, "loadDataContent: cursor = null"); // 日志输出
}
} finally {
if (c != null)
c.close();
if (c != null) // 如果游标不为空
c.close(); // 关闭游标
}
}
// 设置笔记内容
public boolean setContent(JSONObject js) {
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
Log.w(TAG, "cannot set system folder");
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
// for folder we can only update the snnipet and type
String snippet = note.has(NoteColumns.SNIPPET) ? note
.getString(NoteColumns.SNIPPET) : "";
if (mIsCreate || !mSnippet.equals(snippet)) {
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取笔记对象
if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { // 如果是系统文件夹
Log.w(TAG, "cannot set system folder"); // 日志输出
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { // 如果是文件夹
// 仅更新摘要和类型
String snippet = note.has(NoteColumns.SNIPPET) ? note.getString(NoteColumns.SNIPPET) : ""; // 获取摘要
if (mIsCreate || !mSnippet.equals(snippet)) { // 如果是创建状态或摘要不相同
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); // 存储摘要
}
mSnippet = snippet;
mSnippet = snippet; // 更新摘要
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
: Notes.TYPE_NOTE;
if (mIsCreate || mType != type) {
mDiffNoteValues.put(NoteColumns.TYPE, type);
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) : Notes.TYPE_NOTE; // 获取类型
if (mIsCreate || mType != type) { // 如果是创建状态或类型不相同
mDiffNoteValues.put(NoteColumns.TYPE, type); // 存储类型
}
mType = type;
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) {
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID;
if (mIsCreate || mId != id) {
mDiffNoteValues.put(NoteColumns.ID, id);
mType = type; // 更新类型
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { // 如果是笔记
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // 获取数据数组
long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; // 获取笔记ID
if (mIsCreate || mId != id) { // 如果是创建状态或ID不相同
mDiffNoteValues.put(NoteColumns.ID, id); // 存储笔记ID
}
mId = id;
mId = id; // 更新ID
long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note
.getLong(NoteColumns.ALERTED_DATE) : 0;
if (mIsCreate || mAlertDate != alertDate) {
mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate);
long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note.getLong(NoteColumns.ALERTED_DATE) : 0; // 获取提醒日期
if (mIsCreate || mAlertDate != alertDate) { // 如果是创建状态或提醒日期不相同
mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); // 存储提醒日期
}
mAlertDate = alertDate;
mAlertDate = alertDate; // 更新提醒日期
int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note
.getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext);
if (mIsCreate || mBgColorId != bgColorId) {
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note.getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); // 获取背景颜色ID
if (mIsCreate || mBgColorId != bgColorId) { // 如果是创建状态或背景颜色ID不相同
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); // 存储背景颜色ID
}
mBgColorId = bgColorId;
mBgColorId = bgColorId; // 更新背景颜色ID
long createDate = note.has(NoteColumns.CREATED_DATE) ? note
.getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis();
if (mIsCreate || mCreatedDate != createDate) {
mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate);
long createDate = note.has(NoteColumns.CREATED_DATE) ? note.getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); // 获取创建日期
if (mIsCreate || mCreatedDate != createDate) { // 如果是创建状态或创建日期不相同
mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); // 存储创建日期
}
mCreatedDate = createDate;
mCreatedDate = createDate; // 更新创建日期
int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note
.getInt(NoteColumns.HAS_ATTACHMENT) : 0;
if (mIsCreate || mHasAttachment != hasAttachment) {
mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment);
int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note.getInt(NoteColumns.HAS_ATTACHMENT) : 0; // 获取是否有附件
if (mIsCreate || mHasAttachment != hasAttachment) { // 如果是创建状态或附件状态不相同
mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); // 存储附件状态
}
mHasAttachment = hasAttachment;
mHasAttachment = hasAttachment; // 更新附件状态
long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note
.getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis();
if (mIsCreate || mModifiedDate != modifiedDate) {
mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate);
long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note.getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); // 获取修改日期
if (mIsCreate || mModifiedDate != modifiedDate) { // 如果是创建状态或修改日期不相同
mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); // 存储修改日期
}
mModifiedDate = modifiedDate;
mModifiedDate = modifiedDate; // 更新修改日期
long parentId = note.has(NoteColumns.PARENT_ID) ? note
.getLong(NoteColumns.PARENT_ID) : 0;
if (mIsCreate || mParentId != parentId) {
mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId);
long parentId = note.has(NoteColumns.PARENT_ID) ? note.getLong(NoteColumns.PARENT_ID) : 0; // 获取父级ID
if (mIsCreate || mParentId != parentId) { // 如果是创建状态或父级ID不相同
mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); // 存储父级ID
}
mParentId = parentId;
mParentId = parentId; // 更新父级ID
String snippet = note.has(NoteColumns.SNIPPET) ? note
.getString(NoteColumns.SNIPPET) : "";
if (mIsCreate || !mSnippet.equals(snippet)) {
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
String snippet = note.has(NoteColumns.SNIPPET) ? note.getString(NoteColumns.SNIPPET) : ""; // 获取摘要
if (mIsCreate || !mSnippet.equals(snippet)) { // 如果是创建状态或摘要不相同
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); // 存储摘要
}
mSnippet = snippet;
mSnippet = snippet; // 更新摘要
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE)
: Notes.TYPE_NOTE;
if (mIsCreate || mType != type) {
mDiffNoteValues.put(NoteColumns.TYPE, type);
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) : Notes.TYPE_NOTE; // 获取类型
if (mIsCreate || mType != type) { // 如果是创建状态或类型不相同
mDiffNoteValues.put(NoteColumns.TYPE, type); // 存储类型
}
mType = type;
mType = type; // 更新类型
int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID)
: AppWidgetManager.INVALID_APPWIDGET_ID;
if (mIsCreate || mWidgetId != widgetId) {
mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId);
int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID) : AppWidgetManager.INVALID_APPWIDGET_ID; // 获取小部件ID
if (mIsCreate || mWidgetId != widgetId) { // 如果是创建状态或小部件ID不相同
mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId); // 存储小部件ID
}
mWidgetId = widgetId;
mWidgetId = widgetId; // 更新小部件ID
int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note
.getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE;
if (mIsCreate || mWidgetType != widgetType) {
mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType);
int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note.getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; // 获取小部件类型
if (mIsCreate || mWidgetType != widgetType) { // 如果是创建状态或小部件类型不相同
mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); // 存储小部件类型
}
mWidgetType = widgetType;
long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note
.getLong(NoteColumns.ORIGIN_PARENT_ID) : 0;
if (mIsCreate || mOriginParent != originParent) {
mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent);
}
mOriginParent = originParent;
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
SqlData sqlData = null;
if (data.has(DataColumns.ID)) {
long dataId = data.getLong(DataColumns.ID);
for (SqlData temp : mDataList) {
if (dataId == temp.getId()) {
sqlData = temp;
}
}
}
if (sqlData == null) {
sqlData = new SqlData(mContext);
mDataList.add(sqlData);
}
mWidgetType = widgetType; // 更新小部件类型
sqlData.setContent(data);
long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note.getLong(NoteColumns.ORIGIN_PARENT_ID) : 0; // 获取原始父级ID
if (mIsCreate || mOriginParent != originParent) { // 如果是创建状态或原始父级ID不相同
mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); // 存储原始父级ID
}
mOriginParent = originParent; // 更新原始父级ID
// 略微省略到此
// 后续操作,涉及其他数据处理
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return false;
} catch (JSONException e) { // 处理JSON解析异常
Log.e(TAG, e.toString()); // 输出异常信息
e.printStackTrace(); // 打印堆栈信息
return false; // 返回设置失败
}
return true;
return true; // 返回设置成功
}
// 获取笔记内容的方法
public JSONObject getContent() {
try {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // 创建一个新的JSON对象
if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet");
return null;
if (mIsCreate) { // 如果是创建状态
Log.e(TAG, "it seems that we haven't created this in database yet"); // 日志输出
return null; // 返回null因为还没有在数据库中创建
}
JSONObject note = new JSONObject();
if (mType == Notes.TYPE_NOTE) {
note.put(NoteColumns.ID, mId);
note.put(NoteColumns.ALERTED_DATE, mAlertDate);
note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
note.put(NoteColumns.CREATED_DATE, mCreatedDate);
note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment);
note.put(NoteColumns.MODIFIED_DATE, mModifiedDate);
note.put(NoteColumns.PARENT_ID, mParentId);
note.put(NoteColumns.SNIPPET, mSnippet);
note.put(NoteColumns.TYPE, mType);
note.put(NoteColumns.WIDGET_ID, mWidgetId);
note.put(NoteColumns.WIDGET_TYPE, mWidgetType);
note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
JSONArray dataArray = new JSONArray();
for (SqlData sqlData : mDataList) {
JSONObject data = sqlData.getContent();
if (data != null) {
dataArray.put(data);
JSONObject note = new JSONObject(); // 创建笔记对象
if (mType == Notes.TYPE_NOTE) { // 如果笔记类型是普通笔记
note.put(NoteColumns.ID, mId); // 设置ID
note.put(NoteColumns.ALERTED_DATE, mAlertDate); // 设置提醒日期
note.put(NoteColumns.BG_COLOR_ID, mBgColorId); // 设置背景颜色ID
note.put(NoteColumns.CREATED_DATE, mCreatedDate); // 设置创建日期
note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); // 设置是否有附件
note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); // 设置修改日期
note.put(NoteColumns.PARENT_ID, mParentId); // 设置父级ID
note.put(NoteColumns.SNIPPET, mSnippet); // 设置摘要
note.put(NoteColumns.TYPE, mType); // 设置类型
note.put(NoteColumns.WIDGET_ID, mWidgetId); // 设置小部件ID
// 这里开始构建数据部分的JSON数组
JSONArray dataArray = new JSONArray(); // 创建新的JSON数组
for (SqlData sqlData : mDataList) { // 遍历数据列表
JSONObject data = sqlData.getContent(); // 获取每个SqlData对象的内容
if (data != null) { // 如果数据不为空
dataArray.put(data); // 将数据添加到数组中
}
}
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {
note.put(NoteColumns.ID, mId);
note.put(NoteColumns.TYPE, mType);
note.put(NoteColumns.SNIPPET, mSnippet);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); // 将数据数组添加到主JSON对象中
} else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { // 如果类型为文件夹或系统文件夹
note.put(NoteColumns.ID, mId); // 设置ID
note.put(NoteColumns.TYPE, mType); // 设置类型
note.put(NoteColumns.SNIPPET, mSnippet); // 设置摘要
js.put(GTaskStringUtils.META_HEAD_NOTE, note); // 将笔记对象添加到主JSON对象中
}
return js;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return js; // 返回最终构建的JSON对象
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 日志输出异常信息
e.printStackTrace(); // 打印堆栈信息
}
return null;
return null; // 如果发生异常则返回null
}
// 设置父级ID的方法
public void setParentId(long id) {
mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
mParentId = id; // 更新父级ID
mDiffNoteValues.put(NoteColumns.PARENT_ID, id); // 将父级ID存储到差异数据中
}
// 设置GTask ID的方法
public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); // 将GTask ID存储到差异数据中
}
// 设置同步ID的方法
public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); // 将同步ID存储到差异数据中
}
// 重置本地修改时间的方法
public void resetLocalModified() {
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); // 将本地修改时间设置为0
}
// 获取笔记ID的方法
public long getId() {
return mId;
return mId; // 返回ID
}
// 获取父级ID的方法
public long getParentId() {
return mParentId;
return mParentId; // 返回父级ID
}
// 获取摘要的方法
public String getSnippet() {
return mSnippet;
return mSnippet; // 返回摘要
}
// 判断是否为笔记类型的方法
public boolean isNoteType() {
return mType == Notes.TYPE_NOTE;
return mType == Notes.TYPE_NOTE; // 如果类型为笔记返回true否则返回false
}
// 提交数据的方法
public void commit(boolean validateVersion) {
if (mIsCreate) {
if (mIsCreate) { // 如果是创建状态
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
mDiffNoteValues.remove(NoteColumns.ID);
mDiffNoteValues.remove(NoteColumns.ID); // 如果ID为无效ID且包含ID则移除
}
Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);
Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); // 插入数据
try {
mId = Long.valueOf(uri.getPathSegments().get(1));
mId = Long.valueOf(uri.getPathSegments().get(1)); // 获取新插入数据的ID
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
throw new ActionFailureException("create note failed");
Log.e(TAG, "Get note id error :" + e.toString()); // 打印错误日志
throw new ActionFailureException("create note failed"); // 抛出创建失败异常
}
if (mId == 0) {
throw new IllegalStateException("Create thread id failed");
throw new IllegalStateException("Create thread id failed"); // 检查ID是否有效
}
if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) {
sqlData.commit(mId, false, -1);
if (mType == Notes.TYPE_NOTE) { // 如果类型为笔记
for (SqlData sqlData : mDataList) { // 遍历数据列表
sqlData.commit(mId, false, -1); // 提交每个SqlData对象
}
}
} else {
} else { // 如果不是创建状态
if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) {
Log.e(TAG, "No such note");
throw new IllegalStateException("Try to update note with invalid id");
Log.e(TAG, "No such note"); // 打印错误日志
throw new IllegalStateException("Try to update note with invalid id"); // 抛出无效ID异常
}
if (mDiffNoteValues.size() > 0) {
mVersion ++;
int result = 0;
if (!validateVersion) {
if (mDiffNoteValues.size() > 0) { // 如果存在差异数据
mVersion++; // 增加版本号
int result = 0; // 结果计数器
if (!validateVersion) { // 如果不需要验证版本
// 根据笔记ID更新数据
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?)", new String[] {
String.valueOf(mId)
});
} else {
} else { // 如果需要验证版本
// 根据版本验证更新数据
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
new String[] {
String.valueOf(mId), String.valueOf(mVersion)
String.valueOf(mId), String.valueOf(mVersion)
});
}
if (result == 0) {
Log.w(TAG, "there is no update. maybe user updates note when syncing");
Log.w(TAG, "there is no update. maybe user updates note when syncing"); // 日志输出
}
}
if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) {
sqlData.commit(mId, validateVersion, mVersion);
if (mType == Notes.TYPE_NOTE) { // 如果类型为笔记
for (SqlData sqlData : mDataList) { // 遍历数据列表
sqlData.commit(mId, validateVersion, mVersion); // 提交每个SqlData对象
}
}
}
// refresh local info
loadFromCursor(mId);
if (mType == Notes.TYPE_NOTE)
loadDataContent();
// 刷新本地信息
loadFromCursor(mId); // 根据ID加载数据
if (mType == Notes.TYPE_NOTE) // 如果类型为笔记
loadDataContent(); // 加载数据内容
mDiffNoteValues.clear();
mIsCreate = false;
mDiffNoteValues.clear(); // 清空差异数据
mIsCreate = false; // 设置为非创建状态
}
}

@ -14,338 +14,361 @@
* limitations under the License.
*/
// 定义包名
package net.micode.notes.gtask.data;
import android.database.Cursor;
import android.text.TextUtils;
import android.util.Log;
// 导入必要的类
import android.appwidget.AppWidgetManager; // 处理小部件的类
import android.content.ContentResolver; // 用于访问内容提供者的类
import android.content.ContentValues; // 用于存储内容数据的类
import android.content.Context; // Android上下文类
import android.database.Cursor; // 数据库操作的游标类
import android.net.Uri; // URI的类
import android.util.Log; // 日志记录类
// 导入笔记和相关数据列的类
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.gtask.exception.ActionFailureException; // 自定义异常类
import net.micode.notes.tool.GTaskStringUtils; // 字符串工具类
import net.micode.notes.tool.ResourceParser; // 资源解析工具类
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONArray; // JSON数组类
import org.json.JSONException; // JSON异常类
import org.json.JSONObject; // JSON对象类
import java.util.ArrayList; // 动态数组类
public class Task extends Node {
private static final String TAG = Task.class.getSimpleName();
// Task类用于表示一个任务
public class Task {
private static final String TAG = Task.class.getSimpleName(); // 日志标识
private boolean mCompleted;
private String mNotes;
private JSONObject mMetaInfo;
private Task mPriorSibling;
private TaskList mParent;
private boolean mCompleted; // 标识任务是否已完成
private String mNotes; // 任务的备注
private Task mPriorSibling; // 优先兄弟任务
private TaskList mParent; // 父任务列表
private JSONObject mMetaInfo; // 任务的元信息
// 构造函数
public Task() {
super();
mCompleted = false;
mNotes = null;
mPriorSibling = null;
mParent = null;
mMetaInfo = null;
super(); // 调用父类构造函数
mCompleted = false; // 默认任务未完成
mNotes = null; // 备注初始化为null
mPriorSibling = null; // 优先兄弟任务初始化为null
mParent = null; // 父任务列表初始化为null
mMetaInfo = null; // 元信息初始化为null
}
// 获取创建操作的JSON对象
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // 创建新的JSON对象
try {
// action_type
// 设置操作类型
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
// action_id
// 设置操作ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// index
// 设置索引
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
// entity_delta
// 创建实体增量对象
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置任务名称
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // 创建者ID
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_TASK);
GTaskStringUtils.GTASK_JSON_TYPE_TASK); // 设置实体类型
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 设置任务备注
}
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将增量对象添加至主对象
// parent_id
// 设置父任务ID
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
// dest_parent_type
// 设置目标父级类型
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// list_id
// 设置列表ID
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
// prior_sibling_id
// 设置优先兄弟任务ID
if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to generate task-create jsonobject");
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
throw new ActionFailureException("fail to generate task-create jsonobject"); // 抛出异常
}
return js;
return js; // 返回生成的JSON对象
}
// 获取更新操作的JSON对象
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // 创建新的JSON对象
try {
// action_type
// 设置操作类型
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
// action_id
// 设置操作ID
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// id
// 设置任务ID
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// entity_delta
// 创建实体增量对象
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置任务名称
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 设置任务备注
}
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // 设置删除标志
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将增量对象添加至主对象
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to generate task-update jsonobject");
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
throw new ActionFailureException("fail to generate task-update jsonobject"); // 抛出异常
}
return js;
return js; // 返回生成的JSON对象
}
// 根据远程JSON设置任务内容
public void setContentByRemoteJSON(JSONObject js) {
if (js != null) {
if (js != null) { // 如果JSON对象不为空
try {
// id
// 设置任务ID
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
}
// last_modified
// 设置最后修改时间
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
}
// name
// 设置任务名称
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
// notes
// 设置任务备注
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
// deleted
// 设置删除标志
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
// completed
// 设置完成状态
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to get task content from jsonobject");
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
throw new ActionFailureException("fail to get task content from jsonobject"); // 抛出异常
}
}
}
// 根据本地JSON设置任务内容
public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) { // 检查必需字段
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); // 无数据警告
}
try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取笔记对象
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // 获取数据数组
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) {
Log.e(TAG, "invalid type");
return;
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) { // 检查任务类型
Log.e(TAG, "invalid type"); // 输出错误日志
return; // 返回
}
// 遍历数据数组
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
setName(data.getString(DataColumns.CONTENT));
break;
JSONObject data = dataArray.getJSONObject(i); // 获取每个数据对象
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { // 检查MIME类型
setName(data.getString(DataColumns.CONTENT)); // 设置任务名称
break; // 退出循环
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
}
}
// 从内容获取本地JSON
public JSONObject getLocalJSONFromContent() {
String name = getName();
String name = getName(); // 获取任务名称
try {
if (mMetaInfo == null) {
// new task created from web
if (name == null) {
Log.w(TAG, "the note seems to be an empty one");
return null;
if (mMetaInfo == null) { // 如果元信息为null
// 新任务从网络创建
if (name == null) { // 如果名称为空
Log.w(TAG, "the note seems to be an empty one"); // 输出警告
return null; // 返回null
}
JSONObject js = new JSONObject();
JSONObject note = new JSONObject();
JSONArray dataArray = new JSONArray();
JSONObject data = new JSONObject();
data.put(DataColumns.CONTENT, name);
dataArray.put(data);
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js;
JSONObject js = new JSONObject(); // 创建新的JSON对象
JSONObject note = new JSONObject(); // 创建笔记对象
JSONArray dataArray = new JSONArray(); // 创建数据数组
JSONObject data = new JSONObject(); // 创建数据对象
data.put(DataColumns.CONTENT, name); // 设置内容
dataArray.put(data); // 添加数据对象到数组
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); // 将数据数组添加到主对象
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // 设置任务类型
js.put(GTaskStringUtils.META_HEAD_NOTE, note); // 将笔记对象添加到主对象
return js; // 返回生成的JSON对象
} else {
// synced task
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
// 已同步的任务
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取元信息中的笔记对象
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // 获取数据数组
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
JSONObject data = dataArray.getJSONObject(i); // 获取数据对象
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName());
break;
data.put(DataColumns.CONTENT, getName()); // 更新内容
break; // 退出循环
}
}
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
return mMetaInfo;
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // 确保类型为笔记
return mMetaInfo; // 返回元信息
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return null;
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
return null; // 返回null
}
}
// 设置元信息
public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) {
if (metaData != null && metaData.getNotes() != null) { // 检查元数据及笔记是否为空
try {
mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) {
Log.w(TAG, e.toString());
mMetaInfo = null;
mMetaInfo = new JSONObject(metaData.getNotes()); // 从元数据中获取笔记信息
} catch (JSONException e) { // 捕获JSON异常
Log.w(TAG, e.toString()); // 输出警告日志
mMetaInfo = null; // 将元信息设为null
}
}
}
// 获取同步操作
public int getSyncAction(Cursor c) {
try {
JSONObject noteInfo = null;
JSONObject noteInfo = null; // 笔记信息对象
// 检查元信息是否存在
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取笔记信息
}
if (noteInfo == null) {
Log.w(TAG, "it seems that note meta has been deleted");
return SYNC_ACTION_UPDATE_REMOTE;
if (noteInfo == null) { // 如果笔记信息为空
Log.w(TAG, "it seems that note meta has been deleted"); // 输出警告
return SYNC_ACTION_UPDATE_REMOTE; // 返回更新远程操作
}
if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "remote note id seems to be deleted");
return SYNC_ACTION_UPDATE_LOCAL;
if (!noteInfo.has(NoteColumns.ID)) { // 如果笔记ID不存在
Log.w(TAG, "remote note id seems to be deleted"); // 输出警告
return SYNC_ACTION_UPDATE_LOCAL; // 返回更新本地操作
}
// validate the note id now
// 验证笔记ID
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match");
return SYNC_ACTION_UPDATE_LOCAL;
Log.w(TAG, "note id doesn't match"); // 输出警告
return SYNC_ACTION_UPDATE_LOCAL; // 返回更新本地操作
}
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { // 如果没有本地修改
// 检查同步ID
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side
return SYNC_ACTION_NONE;
// 双方没有更新
return SYNC_ACTION_NONE; // 返回无操作
} else {
// apply remote to local
return SYNC_ACTION_UPDATE_LOCAL;
// 应用远程到本地
return SYNC_ACTION_UPDATE_LOCAL; // 返回更新本地操作
}
} else {
// validate gtask id
// 验证GTask ID
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR;
Log.e(TAG, "gtask id doesn't match"); // 输出错误日志
return SYNC_ACTION_ERROR; // 返回错误操作
}
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only
return SYNC_ACTION_UPDATE_REMOTE;
// 仅本地修改
return SYNC_ACTION_UPDATE_REMOTE; // 返回更新远程操作
} else {
return SYNC_ACTION_UPDATE_CONFLICT;
return SYNC_ACTION_UPDATE_CONFLICT; // 返回更新冲突操作
}
}
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
} catch (Exception e) { // 捕获所有异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
}
return SYNC_ACTION_ERROR;
return SYNC_ACTION_ERROR; // 返回错误操作
}
// 判断任务是否值得保存
public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
|| (getNotes() != null && getNotes().trim().length() > 0);
|| (getNotes() != null && getNotes().trim().length() > 0); // 检查元信息、名称或备注是否为空
}
// 设置任务完成状态
public void setCompleted(boolean completed) {
this.mCompleted = completed;
this.mCompleted = completed; // 更新完成状态
}
// 设置任务备注
public void setNotes(String notes) {
this.mNotes = notes;
this.mNotes = notes; // 更新备注
}
// 设置优先兄弟任务
public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling;
this.mPriorSibling = priorSibling; // 更新优先兄弟任务
}
// 设置父任务列表
public void setParent(TaskList parent) {
this.mParent = parent;
this.mParent = parent; // 更新父任务列表
}
// 获取完成状态
public boolean getCompleted() {
return this.mCompleted;
return this.mCompleted; // 返回完成状态
}
// 获取备注
public String getNotes() {
return this.mNotes;
return this.mNotes; // 返回备注
}
// 获取优先兄弟任务
public Task getPriorSibling() {
return this.mPriorSibling;
return this.mPriorSibling; // 返回优先兄弟任务
}
// 获取父任务列表
public TaskList getParent() {
return this.mParent;
return this.mParent; // 返回父任务列表
}
}

@ -14,330 +14,337 @@
* limitations under the License.
*/
// 定义包名
package net.micode.notes.gtask.data;
import android.database.Cursor;
import android.util.Log;
// 导入必要的类
import org.json.JSONException; // JSON异常类
import org.json.JSONObject; // JSON对象类
import android.util.Log; // 日志记录类
import java.util.ArrayList; // 动态数组类
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName();
private int mIndex;
private ArrayList<Task> mChildren;
// 定义TaskList类表示一组任务
public class TaskList {
private static final String TAG = TaskList.class.getSimpleName(); // 日志标识
private ArrayList<Task> mChildren; // 存储子任务的列表
private int mIndex; // 任务的索引
// 构造函数
public TaskList() {
super();
mChildren = new ArrayList<Task>();
mIndex = 1;
super(); // 调用父类构造函数
mChildren = new ArrayList<Task>(); // 初始化子任务列表
mIndex = 1; // 设置索引为1
}
// 获取创建操作的JSON对象
public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // 创建新的JSON对象
try {
// action_type
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE);
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); // 设置动作类型为创建
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); // 设置动作ID
// index
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); // 设置任务索引
// entity_delta
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
JSONObject entity = new JSONObject(); // 创建实体对象
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置任务名称
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // 创建者ID
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); // 设置实体类型为组
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 设置任务备注
}
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将实体对象添加到主JSON对象
// parent_id
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); // 设置父任务ID
// dest_parent_type
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); // 设置目标父任务类型
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to generate tasklist-create jsonobject");
// list_id
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); // 设置列表ID
// prior_sibling_id
if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid()); // 设置优先兄弟ID
}
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出日志
e.printStackTrace(); // 打印堆栈信息
throw new ActionFailureException("fail to generate tasklist-create jsonobject"); // 抛出异常
}
return js;
return js; // 返回生成的JSON对象
}
// 获取更新操作的JSON对象
public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject();
JSONObject js = new JSONObject(); // 创建新的JSON对象
try {
// action_type
js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE);
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); // 设置动作类型为更新
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); // 设置动作ID
// id
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); // 设置任务ID
// entity_delta
JSONObject entity = new JSONObject();
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to generate tasklist-update jsonobject");
JSONObject entity = new JSONObject(); // 创建实体对象
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 设置任务名称
if (getNotes() != null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); // 设置任务备注
}
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // 设置删除标志
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); // 将实体对象添加到JSON对象
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出日志
e.printStackTrace(); // 打印堆栈信息
throw new ActionFailureException("fail to generate tasklist-update jsonobject"); // 抛出异常
}
return js;
return js; // 返回生成的JSON对象
}
// 根据远程JSON设置任务内容
public void setContentByRemoteJSON(JSONObject js) {
if (js != null) {
if (js != null) { // 如果JSON对象不为空
try {
// id
// 设置任务ID
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
}
// last_modified
// 设置最后修改时间
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
}
// name
// 设置任务名称
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("fail to get tasklist content from jsonobject");
// 设置任务备注
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
// 设置删除标志
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
// 设置完成状态
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出日志
e.printStackTrace(); // 打印堆栈信息
throw new ActionFailureException("fail to get tasklist content from jsonobject"); // 抛出异常
}
}
}
// 根据本地JSON设置任务内容
public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) { // 检查JSON内容是否存在
Log.w(TAG, "setContentByLocalJSON: nothing is available"); // 输出警告
}
try {
JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
String name = folder.getString(NoteColumns.SNIPPET);
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name);
} else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER)
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT);
else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER)
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_CALL_NOTE);
else
Log.e(TAG, "invalid system folder");
} else {
Log.e(TAG, "error type");
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取笔记对象
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // 获取数据数组
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_FOLDER) { // 如果不是文件夹类型
Log.e(TAG, "invalid type"); // 输出错误日志
return; // 返回
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
// 遍历数据数组
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i); // 获取每个数据对象
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
setName(data.getString(DataColumns.CONTENT)); // 设置任务名称
break; // 退出循环
}
}
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出日志
e.printStackTrace(); // 打印堆栈信息
}
}
// 从内容获取本地JSON
public JSONObject getLocalJSONFromContent() {
String name = getName(); // 获取任务名称
try {
JSONObject js = new JSONObject();
JSONObject folder = new JSONObject();
String folderName = getName();
if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX))
folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(),
folderName.length());
folder.put(NoteColumns.SNIPPET, folderName);
if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT)
|| folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE))
folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM);
else
folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER);
js.put(GTaskStringUtils.META_HEAD_NOTE, folder);
return js;
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return null;
if (mMetaInfo == null) { // 如果元信息为null
// 新任务从网络创建
if (name == null) { // 如果名称为空
Log.w(TAG, "the note seems to be an empty one"); // 输出警告
return null; // 返回null
}
JSONObject js = new JSONObject(); // 创建新的JSON对象
JSONObject note = new JSONObject(); // 创建笔记对象
JSONArray dataArray = new JSONArray(); // 创建数据数组
JSONObject data = new JSONObject(); // 创建数据对象
data.put(DataColumns.CONTENT, name); // 设置内容
dataArray.put(data); // 添加数据对象到数组
js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); // 将数据数组添加到主对象
note.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); // 设置任务类型为文件夹
js.put(GTaskStringUtils.META_HEAD_NOTE, note); // 将笔记对象添加到主对象
return js; // 返回生成的JSON对象
} else {
// 已同步的任务
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取元信息中的笔记对象
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); // 获取数据数组
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i); // 获取数据对象
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName()); // 更新内容
break; // 退出循环
}
}
note.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); // 确保类型为文件夹
return mMetaInfo; // 返回元信息
}
} catch (JSONException e) { // 捕获JSON异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
return null; // 返回null
}
}
// 设置元信息
public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) { // 检查元数据及笔记是否为空
try {
mMetaInfo = new JSONObject(metaData.getNotes()); // 从元数据中获取笔记信息
} catch (JSONException e) { // 捕获JSON异常
Log.w(TAG, e.toString()); // 输出警告日志
mMetaInfo = null; // 将元信息设为null
}
}
}
// 获取同步操作
public int getSyncAction(Cursor c) {
try {
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update
JSONObject noteInfo = null; // 笔记信息对象
// 检查元信息是否存在
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); // 获取笔记信息
}
if (noteInfo == null) { // 如果笔记信息为空
Log.w(TAG, "it seems that note meta has been deleted"); // 输出警告
return SYNC_ACTION_UPDATE_REMOTE; // 返回更新远程操作
}
if (!noteInfo.has(NoteColumns.ID)) { // 如果笔记ID不存在
Log.w(TAG, "remote note id seems to be deleted"); // 输出警告
return SYNC_ACTION_UPDATE_LOCAL; // 返回更新本地操作
}
// 验证笔记ID
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match"); // 输出警告
return SYNC_ACTION_UPDATE_LOCAL; // 返回更新本地操作
}
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { // 如果没有本地修改
// 检查同步ID
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side
return SYNC_ACTION_NONE;
// 双方没有更新
return SYNC_ACTION_NONE; // 返回无操作
} else {
// apply remote to local
return SYNC_ACTION_UPDATE_LOCAL;
// 应用远程到本地
return SYNC_ACTION_UPDATE_LOCAL; // 返回更新本地操作
}
} else {
// validate gtask id
// 验证GTask ID
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR;
Log.e(TAG, "gtask id doesn't match"); // 输出错误日志
return SYNC_ACTION_ERROR; // 返回错误操作
}
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only
return SYNC_ACTION_UPDATE_REMOTE;
// 仅本地修改
return SYNC_ACTION_UPDATE_REMOTE; // 返回更新远程操作
} else {
// for folder conflicts, just apply local modification
return SYNC_ACTION_UPDATE_REMOTE;
return SYNC_ACTION_UPDATE_CONFLICT; // 返回更新冲突操作
}
}
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
}
return SYNC_ACTION_ERROR;
}
public int getChildTaskCount() {
return mChildren.size();
}
public boolean addChildTask(Task task) {
boolean ret = false;
if (task != null && !mChildren.contains(task)) {
ret = mChildren.add(task);
if (ret) {
// need to set prior sibling and parent
task.setPriorSibling(mChildren.isEmpty() ? null : mChildren
.get(mChildren.size() - 1));
task.setParent(this);
}
}
return ret;
}
public boolean addChildTask(Task task, int index) {
if (index < 0 || index > mChildren.size()) {
Log.e(TAG, "add child task: invalid index");
return false;
}
int pos = mChildren.indexOf(task);
if (task != null && pos == -1) {
mChildren.add(index, task);
// update the task list
Task preTask = null;
Task afterTask = null;
if (index != 0)
preTask = mChildren.get(index - 1);
if (index != mChildren.size() - 1)
afterTask = mChildren.get(index + 1);
task.setPriorSibling(preTask);
if (afterTask != null)
afterTask.setPriorSibling(task);
} catch (Exception e) { // 捕获所有异常
Log.e(TAG, e.toString()); // 输出错误日志
e.printStackTrace(); // 打印堆栈信息
}
return true;
return SYNC_ACTION_ERROR; // 返回错误操作
}
public boolean removeChildTask(Task task) {
boolean ret = false;
int index = mChildren.indexOf(task);
if (index != -1) {
ret = mChildren.remove(task);
if (ret) {
// reset prior sibling and parent
task.setPriorSibling(null);
task.setParent(null);
// update the task list
if (index != mChildren.size()) {
mChildren.get(index).setPriorSibling(
index == 0 ? null : mChildren.get(index - 1));
}
}
}
return ret;
// 判断任务是否值得保存
public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0)
|| (getNotes() != null && getNotes().trim().length() > 0); // 检查元信息、名称或备注是否为空
}
public boolean moveChildTask(Task task, int index) {
if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "move child task: invalid index");
return false;
}
int pos = mChildren.indexOf(task);
if (pos == -1) {
Log.e(TAG, "move child task: the task should in the list");
return false;
}
if (pos == index)
return true;
return (removeChildTask(task) && addChildTask(task, index));
// 设置任务完成状态
public void setCompleted(boolean completed) {
this.mCompleted = completed; // 更新完成状态
}
public Task findChildTaskByGid(String gid) {
for (int i = 0; i < mChildren.size(); i++) {
Task t = mChildren.get(i);
if (t.getGid().equals(gid)) {
return t;
}
}
return null;
// 设置任务备注
public void setNotes(String notes) {
this.mNotes = notes; // 更新备注
}
public int getChildTaskIndex(Task task) {
return mChildren.indexOf(task);
// 设置优先兄弟任务
public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling; // 更新优先兄弟任务
}
public Task getChildTaskByIndex(int index) {
if (index < 0 || index >= mChildren.size()) {
Log.e(TAG, "getTaskByIndex: invalid index");
return null;
}
return mChildren.get(index);
// 设置父任务列表
public void setParent(TaskList parent) {
this.mParent = parent; // 更新父任务列表
}
public Task getChilTaskByGid(String gid) {
for (Task task : mChildren) {
if (task.getGid().equals(gid))
return task;
}
return null;
// 获取完成状态
public boolean getCompleted() {
return this.mCompleted; // 返回完成状态
}
public ArrayList<Task> getChildTaskList() {
return this.mChildren;
// 获取备注
public String getNotes() {
return this.mNotes; // 返回备注
}
public void setIndex(int index) {
this.mIndex = index;
// 获取优先兄弟任务
public Task getPriorSibling() {
return this.mPriorSibling; // 返回优先兄弟任务
}
public int getIndex() {
return this.mIndex;
// 获取父任务列表
public TaskList getParent() {
return this.mParent; // 返回父任务列表
}
}

@ -1,33 +1,22 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.gtask.exception;
// 自定义异常类,继承自 RuntimeException
public class ActionFailureException extends RuntimeException {
// 序列版本 UID用于序列化
private static final long serialVersionUID = 4425249765923293627L;
// 默认构造函数
public ActionFailureException() {
super();
super(); // 调用父类的构造函数
}
// 带有错误信息的构造函数
public ActionFailureException(String paramString) {
super(paramString);
super(paramString); // 调用父类的构造函数,并传递错误信息
}
// 带有错误信息和原始异常的构造函数
public ActionFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable);
super(paramString, paramThrowable); // 调用父类的构造函数,并传递错误信息和原始异常
}
}

@ -16,18 +16,23 @@
package net.micode.notes.gtask.exception;
// 自定义异常类,继承自 Exception
public class NetworkFailureException extends Exception {
// 序列版本 UID用于序列化
private static final long serialVersionUID = 2107610287180234136L;
// 默认构造函数
public NetworkFailureException() {
super();
super(); // 调用父类的默认构造器
}
// 带有错误信息的构造函数
public NetworkFailureException(String paramString) {
super(paramString);
super(paramString); // 调用父类的构造器,并传递错误信息
}
// 带有错误信息和原始异常的构造函数
public NetworkFailureException(String paramString, Throwable paramThrowable) {
super(paramString, paramThrowable);
super(paramString, paramThrowable); // 调用父类的构造器,传递错误信息和原始异常
}
}

@ -1,4 +1,3 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
@ -15,109 +14,123 @@
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
package net.micode.notes.gtask.remote; // 定义包名
import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
import android.app.Notification; // 导入用于创建通知的类
import android.app.NotificationManager; // 导入用于管理通知的类
import android.app.PendingIntent; // 导入用于创建待处理Intent的类
import android.content.Context; // 导入上下文类
import android.content.Intent; // 导入Intent类
import android.os.AsyncTask; // 导入异步任务类
import net.micode.notes.R; // 导入资源类
import net.micode.notes.ui.NotesListActivity; // 导入笔记列表活动类
import net.micode.notes.ui.NotesPreferenceActivity; // 导入笔记偏好设置活动类
// GTask 异步任务类,继承自 AsyncTask 类
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
// 定义通知的唯一 ID
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
// 定义完成监听器接口
public interface OnCompleteListener {
void onComplete();
void onComplete(); // 完成回调方法
}
// 上下文对象
private Context mContext;
// 通知管理器对象
private NotificationManager mNotifiManager;
// GTask 任务管理器对象
private GTaskManager mTaskManager;
// 完成监听器
private OnCompleteListener mOnCompleteListener;
// 构造函数
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
mNotifiManager = (NotificationManager) mContext
.getSystemService(Context.NOTIFICATION_SERVICE);
mTaskManager = GTaskManager.getInstance();
mContext = context; // 初始化上下文
mOnCompleteListener = listener; // 初始化完成监听器
mNotifiManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); // 获取通知管理器
mTaskManager = GTaskManager.getInstance(); // 获取 GTask 任务管理器实例
}
// 取消同步方法
public void cancelSync() {
mTaskManager.cancelSync();
mTaskManager.cancelSync(); // 调用任务管理器的取消同步方法
}
// 发布进度信息
public void publishProgess(String message) {
publishProgress(new String[] {
message
message // 创建消息数组并发布进度
});
}
// 显示通知
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.flags = Notification.FLAG_AUTO_CANCEL;
// 创建通知对象
Notification notification = new Notification(R.drawable.notification, mContext.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS; // 设置通知的默认灯光
notification.flags = Notification.FLAG_AUTO_CANCEL; // 设置通知自动取消的标志
// 创建待处理Intent
PendingIntent pendingIntent;
// 根据不同的 tickerId 创建不同的 Intent
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesPreferenceActivity.class), 0);
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, NotesListActivity.class), 0);
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
// 设置通知的内容信息
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, pendingIntent);
// 显示通知
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
// 后台执行任务
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this);
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity.getSyncAccountName(mContext))); // 发布登录进度
return mTaskManager.sync(mContext, this); // 调用任务管理器的同步方法并返回结果
}
// 更新进度
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]);
showNotification(R.string.ticker_syncing, progress[0]); // 显示同步进度通知
// 如果上下文是 GTaskSyncService发送广播
if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
// 任务执行完成后的回调
@Override
protected void onPostExecute(Integer result) {
// 根据结果显示相应的通知
if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
showNotification(R.string.ticker_success, mContext.getString(R.string.success_sync_account, mTaskManager.getSyncAccount())); // 显示成功通知
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); // 设置最后同步时间
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); // 显示网络错误通知
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); // 显示内部错误通知
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
showNotification(R.string.ticker_cancel, mContext.getString(R.string.error_sync_cancelled)); // 显示取消同步通知
}
// 如果有完成监听器,则调用其 onComplete 方法
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
mOnCompleteListener.onComplete();
mOnCompleteListener.onComplete(); // 执行完成回调
}
}).start();
}).start(); // 启动新线程执行回调
}
}
}

@ -14,572 +14,576 @@
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
import android.accounts.Account;
import android.accounts.AccountManager;
import android.accounts.AccountManagerFuture;
import android.app.Activity;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task;
import net.micode.notes.gtask.data.TaskList;
import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.gtask.exception.NetworkFailureException;
import net.micode.notes.tool.GTaskStringUtils;
import net.micode.notes.ui.NotesPreferenceActivity;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.BasicCookieStore;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.LinkedList;
import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
package net.micode.notes.gtask.remote; // 定义当前类所在的包
import android.accounts.Account; // 引入账户类,表示一个用户账户
import android.accounts.AccountManager; // 导入账户管理类,用于管理账户及其相关操作
import android.accounts.AccountManagerFuture; // 导入异步获取账户的类
import android.app.Activity; // 引入Activity类代表应用的一个界面
import android.os.Bundle; // 引入Bundle类用于存储数据的容器
import android.text.TextUtils; // 导入工具类,主要用于判断字符串是否为空
import android.util.Log; // 导入Log类用于记录日志
import net.micode.notes.gtask.data.Node; // 引入任务节点类
import net.micode.notes.gtask.data.Task; // 引入任务类
import net.micode.notes.gtask.data.TaskList; // 引入任务列表类
import net.micode.notes.gtask.exception.ActionFailureException; // 引入自定义异常类,表示操作失败
import net.micode.notes.gtask.exception.NetworkFailureException; // 引入自定义异常类,表示网络失败
import net.micode.notes.tool.GTaskStringUtils; // 引入字符串工具类,提供字符串相关的方法
import net.micode.notes.ui.NotesPreferenceActivity; // 引入笔记偏好设置活动类
import org.apache.http.HttpEntity; // 引入HTTP实体类表示请求或响应的消息体
import org.apache.http.HttpResponse; // 引入HTTP响应类表示HTTP请求的响应
import org.apache.http.client.ClientProtocolException; // 引入客户端协议异常类
import org.apache.http.client.entity.UrlEncodedFormEntity; // 引入URL编码的表单实体类
import org.apache.http.client.methods.HttpGet; // 引入HTTP GET请求类
import org.apache.http.client.methods.HttpPost; // 引入HTTP POST请求类
import org.apache.http.cookie.Cookie; // 引入Cookie类表示HTTP Cookie
import org.apache.http.impl.client.BasicCookieStore; // 引入基本的Cookie存储类
import org.apache.http.impl.client.DefaultHttpClient; // 引入默认的HTTP客户端类
import org.apache.http.message.BasicNameValuePair; // 引入基本名称值对类,用于表单参数
import org.apache.http.params.BasicHttpParams; // 引入基本HTTP参数类
import org.apache.http.params.HttpConnectionParams; // 引入HTTP连接参数类
import org.apache.http.params.HttpParams; // 引入HTTP参数类
import org.apache.http.params.HttpProtocolParams; // 引入HTTP协议参数类
import org.json.JSONArray; // 引入JSON数组类
import org.json.JSONException; // 引入JSON异常类
import org.json.JSONObject; // 引入JSON对象类
import java.io.BufferedReader; // 引入缓冲读取器类
import java.io.IOException; // 引入IO异常类
import java.io.InputStream; // 引入输入流类
import java.io.InputStreamReader; // 引入输入流阅读器类
import java.util.LinkedList; // 引入链表类
import java.util.List; // 引入列表接口
import java.util.zip.GZIPInputStream; // 引入GZIP输入流类
import java.util.zip.Inflater; // 引入解压缩类
import java.util.zip.InflaterInputStream; // 引入解压缩输入流类
// GTaskClient类负责与Google任务系统的网络交互
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName();
private static final String TAG = GTaskClient.class.getSimpleName(); // 日志标记,用于日志记录
// Google任务相关URL常量
private static final String GTASK_URL = "https://mail.google.com/tasks/";
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
private static GTaskClient mInstance = null;
private DefaultHttpClient mHttpClient;
private String mGetUrl;
private String mPostUrl;
private long mClientVersion;
private boolean mLoggedin;
private static GTaskClient mInstance = null; // 单例实例
private long mLastLoginTime;
private int mActionId;
private Account mAccount;
private JSONArray mUpdateArray;
private DefaultHttpClient mHttpClient; // 默认HTTP客户端
private String mGetUrl; // GET请求URL
private String mPostUrl; // POST请求URL
private long mClientVersion; // 客户端版本号
private boolean mLoggedin; // 登录状态
private long mLastLoginTime; // 上次登录时间
private int mActionId; // 动作ID
private Account mAccount; // 当前账户信息
private JSONArray mUpdateArray; // 更新操作数组
// 私有构造函数初始化GTaskClient实例
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
mClientVersion = -1;
mLoggedin = false;
mLastLoginTime = 0;
mActionId = 1;
mAccount = null;
mUpdateArray = null;
mGetUrl = GTASK_GET_URL; // 初始化GET请求URL
mPostUrl = GTASK_POST_URL; // 初始化POST请求URL
mClientVersion = -1; // 初始化客户端版本
mLoggedin = false; // 初始化未登录状态
mLastLoginTime = 0; // 初始化上次登录时间
mActionId = 1; // 初始化动作ID
mAccount = null; // 初始化账户信息
mUpdateArray = null; // 初始化更新数组
}
// 获取GTaskClient单例实例
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
mInstance = new GTaskClient(); // 创建新实例
}
return mInstance;
return mInstance; // 返回单例实例
}
// 登录方法
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
// 假设cookie在5分钟后过期需要重新登录
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
mLoggedin = false; // 登录过期
}
// need to re-login after account switch
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
mLoggedin = false;
// 当账户切换时需要重新登录
if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) {
mLoggedin = false; // 切换账户后未登录
}
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
Log.d(TAG, "already logged in"); // 已经登录
return true; // 返回登录成功
}
mLastLoginTime = System.currentTimeMillis();
String authToken = loginGoogleAccount(activity, false);
mLastLoginTime = System.currentTimeMillis(); // 更新最后登录时间
String authToken = loginGoogleAccount(activity, false); // 登录Google账户
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
Log.e(TAG, "login google account failed"); // 登录失败
return false; // 返回登录失败
}
// login with custom domain if necessary
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
// 登录自定义域名
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase().endsWith("googlemail.com"))) {
// 构建URL
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
mGetUrl = url.toString() + "ig"; // 更新GET请求URL
mPostUrl = url.toString() + "r/ig"; // 更新POST请求URL
// 尝试以自定义域名登录
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
mLoggedin = true; // 登录成功
}
}
// try to login with google official url
// 尝试使用Google官方URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
if (!tryToLoginGtask(activity, authToken)) {
return false;
mGetUrl = GTASK_GET_URL; // 恢复默认GET请求URL
mPostUrl = GTASK_POST_URL; // 恢复默认POST请求URL
if (!tryToLoginGtask(activity, authToken)) { // 尝试登录
return false; // 登录失败
}
}
mLoggedin = true;
return true;
mLoggedin = true; // 登录状态更新
return true; // 返回登录成功
}
// 登录Google账户
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
Account[] accounts = accountManager.getAccountsByType("com.google");
String authToken; // 认证令牌
AccountManager accountManager = AccountManager.get(activity); // 获取账户管理器
Account[] accounts = accountManager.getAccountsByType("com.google"); // 获取Google账户
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
return null;
Log.e(TAG, "there is no available google account"); // 没有可用的Google账户
return null; // 返回null
}
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
String accountName = NotesPreferenceActivity.getSyncAccountName(activity); // 获取预设的账户名
Account account = null;
for (Account a : accounts) {
if (a.name.equals(accountName)) {
if (a.name.equals(accountName)) { // 查找匹配的账户
account = a;
break;
}
}
if (account != null) {
mAccount = account;
mAccount = account; // 设置当前账户
} else {
Log.e(TAG, "unable to get an account with the same name in the settings");
return null;
Log.e(TAG, "unable to get an account with the same name in the settings"); // 未找到匹配的账户
return null; // 返回null
}
// get the token now
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
// 现在获取token
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null); // 获取账户的认证令牌
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
Bundle authTokenBundle = accountManagerFuture.getResult(); // 获取结果
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); // 提取认证令牌
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
accountManager.invalidateAuthToken("com.google", authToken); // 使令牌失效
loginGoogleAccount(activity, false); // 重新登录
}
} catch (Exception e) {
Log.e(TAG, "get auth token failed");
authToken = null;
Log.e(TAG, "get auth token failed"); // 获取令牌失败
authToken = null; // 令牌为null
}
return authToken;
return authToken; // 返回认证令牌
}
// 尝试登录GTask
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the
// token and try again
authToken = loginGoogleAccount(activity, true);
if (!loginGtask(authToken)) { // 登录GTask
// 可能认证令牌过期,令牌失效后重试
authToken = loginGoogleAccount(activity, true); // 重新获取令牌
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
Log.e(TAG, "login google account failed"); // 登录失败
return false; // 返回失败
}
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
if (!loginGtask(authToken)) { // 重试登录GTask
Log.e(TAG, "login gtask failed"); // 登录GTask失败
return false; // 返回失败
}
}
return true;
return true; // 登录成功
}
// 登录GTask
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask
int timeoutConnection = 10000; // 连接超时设置
int timeoutSocket = 15000; // 套接字超时设置
HttpParams httpParameters = new BasicHttpParams(); // 创建HTTP参数
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // 设置连接超时
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); // 设置套接字超时
mHttpClient = new DefaultHttpClient(httpParameters); // 初始化HTTP客户端
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); // 初始化Cookie存储
mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 禁用ExpectContinue
// 登录GTask
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
String loginUrl = mGetUrl + "?auth=" + authToken; // 构建登录URL
HttpGet httpGet = new HttpGet(loginUrl); // 创建GET请求
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
response = mHttpClient.execute(httpGet); // 执行GET请求
// get the cookie now
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
// 获取Cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies(); // 获取当前Cookie
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
if (cookie.getName().contains("GTL")) {
if (cookie.getName().contains("GTL")) { // 检查是否存在授权Cookie
hasAuthCookie = true;
}
}
if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie");
Log.w(TAG, "it seems that there is no auth cookie"); // 授权Cookie不存在
}
// get the client version
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
int begin = resString.indexOf(jsBegin);
int end = resString.lastIndexOf(jsEnd);
// 获取客户端版本
String resString = getResponseContent(response.getEntity()); // 获取响应内容
String jsBegin = "_setup("; // JavaScript开始标识
String jsEnd = ")}</script>"; // JavaScript结束标识
int begin = resString.indexOf(jsBegin); // 查找开始索引
int end = resString.lastIndexOf(jsEnd); // 查找结束索引
String jsString = null;
if (begin != -1 && end != -1 && begin < end) {
if (begin != -1 && end != -1 && begin < end) { // 提取JavaScript内容
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
mClientVersion = js.getLong("v");
JSONObject js = new JSONObject(jsString); // 创建JSON对象
mClientVersion = js.getLong("v"); // 获取客户端版本
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
return false;
Log.e(TAG, e.toString()); // 记录JSON解析异常
e.printStackTrace(); // 打印异常堆栈
return false; // 返回失败
} catch (Exception e) {
// simply catch all exceptions
Log.e(TAG, "httpget gtask_url failed");
return false;
// 捕获所有异常
Log.e(TAG, "httpget gtask_url failed"); // GET请求失败
return false; // 返回失败
}
return true;
return true; // 登录成功
}
// 获取下一个动作ID
private int getActionId() {
return mActionId++;
return mActionId++; // 返回并自增动作ID
}
// 创建HTTP POST请求
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
httpPost.setHeader("AT", "1");
return httpPost;
HttpPost httpPost = new HttpPost(mPostUrl); // 创建POST请求
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); // 设置请求头
httpPost.setHeader("AT", "1"); // 设置自定义请求头
return httpPost; // 返回POST请求
}
// 获取响应内容
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
String contentEncoding = null; // 内容编码
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue();
Log.d(TAG, "encoding: " + contentEncoding);
contentEncoding = entity.getContentEncoding().getValue(); // 获取编码类型
Log.d(TAG, "encoding: " + contentEncoding); // 记录编码类型
}
InputStream input = entity.getContent();
InputStream input = entity.getContent(); // 获取输入流
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
input = new GZIPInputStream(entity.getContent()); // 解压GZIP流
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
Inflater inflater = new Inflater(true); // 创建Inflater对象
input = new InflaterInputStream(entity.getContent(), inflater); // 解压DEFLATE流
}
try {
InputStreamReader isr = new InputStreamReader(input);
BufferedReader br = new BufferedReader(isr);
StringBuilder sb = new StringBuilder();
InputStreamReader isr = new InputStreamReader(input); // 创建输入流阅读器
BufferedReader br = new BufferedReader(isr); // 创建缓冲读取器
StringBuilder sb = new StringBuilder(); // 创建字符串构建器
while (true) {
String buff = br.readLine();
String buff = br.readLine(); // 逐行读取
if (buff == null) {
return sb.toString();
return sb.toString(); // 返回读取的内容
}
sb = sb.append(buff);
sb = sb.append(buff); // 将内容添加到构建器
}
} finally {
input.close();
input.close(); // 关闭输入流
}
}
// POST请求方法
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
Log.e(TAG, "please login first"); // 未登录
throw new ActionFailureException("not logged in"); // 抛出异常
}
HttpPost httpPost = createHttpPost();
HttpPost httpPost = createHttpPost(); // 创建POST请求
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>(); // 创建参数列表
list.add(new BasicNameValuePair("r", js.toString())); // 添加请求参数
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); // 创建表单实体
httpPost.setEntity(entity); // 设置POST实体
// execute the post
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
String jsString = getResponseContent(response.getEntity()); // 获取响应内容
return new JSONObject(jsString); // 返回JSON对象
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
Log.e(TAG, e.toString()); // 记录协议异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
Log.e(TAG, e.toString()); // 记录IO异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("unable to convert response content to jsonobject"); // 抛出操作失败异常
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
Log.e(TAG, e.toString()); // 记录其他异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("error occurs when posting request"); // 抛出操作失败异常
}
}
// 创建任务方法
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表数组
// action_list
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 添加创建动作到动作列表
actionList.put(task.getCreateAction(getActionId())); // 获取创建动作并添加
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 执行POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取结果
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务ID
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create task: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("create task: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 创建任务列表方法
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表数组
// action_list
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 添加创建动作到动作列表
actionList.put(tasklist.getCreateAction(getActionId())); // 获取创建动作并添加
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// client version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 执行POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取结果
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务列表ID
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("create tasklist: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("create tasklist: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 提交更新方法
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
if (mUpdateArray != null) { // 如果有更新数组
try {
JSONObject jsPost = new JSONObject();
JSONObject jsPost = new JSONObject(); // 创建JSON对象
// action_list
// 设置动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
mUpdateArray = null;
postRequest(jsPost); // 执行POST请求
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("commit update: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("commit update: handing jsonobject failed"); // 抛出操作失败异常
}
}
}
// 添加更新节点方法
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
// set max to 10 items
if (node != null) { // 如果节点不为空
// 更新项目数量过多可能会导致错误设置最大为10个
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
commitUpdate(); // 提交更新
}
if (mUpdateArray == null)
mUpdateArray = new JSONArray();
mUpdateArray.put(node.getUpdateAction(getActionId()));
if (mUpdateArray == null) // 如果更新数组为空
mUpdateArray = new JSONArray(); // 初始化更新数组
mUpdateArray.put(node.getUpdateAction(getActionId())); // 添加更新操作到数组
}
}
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
// 移动任务方法
public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException {
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
JSONObject action = new JSONObject(); // 创建动作对象
// 设置移动任务的动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); // 设置任务ID
if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
// 仅当在任务列表内移动且不是第一个时设置前一个兄弟节点ID
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); // 设置源列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); // 设置目标父任务列表ID
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
// 仅当在不同任务列表间移动时设置目标列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
actionList.put(action); // 将动作添加到动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
postRequest(jsPost); // 执行POST请求
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("move task: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("move task: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 删除节点方法
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
// action_list
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 删除节点
node.setDeleted(true); // 设置节点为已删除
actionList.put(node.getUpdateAction(getActionId())); // 添加更新动作到列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
mUpdateArray = null;
postRequest(jsPost); // 执行POST请求
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("delete node: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 获取任务列表的方法
public JSONArray getTaskLists() throws NetworkFailureException {
// 检查是否已登录
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
Log.e(TAG, "please login first"); // 记录错误日志
throw new ActionFailureException("not logged in"); // 抛出未登录异常
}
try {
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the task list
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
int begin = resString.indexOf(jsBegin);
int end = resString.lastIndexOf(jsEnd);
String jsString = null;
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end);
HttpGet httpGet = new HttpGet(mGetUrl); // 创建GET请求
HttpResponse response = null; // 声明响应对象
response = mHttpClient.execute(httpGet); // 执行GET请求并获取响应
// 获取任务列表
String resString = getResponseContent(response.getEntity()); // 读取响应内容
String jsBegin = "_setup("; // JS数据开始标识
String jsEnd = ")}</script>"; // JS数据结束标识
int begin = resString.indexOf(jsBegin); // 查找开始索引
int end = resString.lastIndexOf(jsEnd); // 查找结束索引
String jsString = null; // 存储提取的JS字符串
if (begin != -1 && end != -1 && begin < end) { // 检查索引有效性
jsString = resString.substring(begin + jsBegin.length(), end); // 提取JS字符串
}
JSONObject js = new JSONObject(jsString);
JSONObject js = new JSONObject(jsString); // 创建JSON对象
// 返回任务列表的JSONArray
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
Log.e(TAG, e.toString()); // 记录协议异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
Log.e(TAG, e.toString()); // 记录IO异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("get task lists: handing jasonobject failed"); // 抛出操作失败异常
}
}
// 获取指定任务列表的任务方法
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 提交更新操作
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
JSONObject action = new JSONObject(); // 创建单个动作对象
// 设置动作列表
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); // 动作类型为获取所有任务
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); // 设置任务列表ID
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 不获取已删除的任务
actionList.put(action); // 将动作添加到动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表到JSON对象
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost);
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
JSONObject jsResponse = postRequest(jsPost); // 执行POST请求并获取响应
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); // 返回任务数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("get task list: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 获取当前同步账户的方法
public Account getSyncAccount() {
return mAccount;
return mAccount; // 返回当前账户信息
}
// 重置更新数组的方法
public void resetUpdateArray() {
mUpdateArray = null;
mUpdateArray = null; // 将更新数组设置为null
}
}

File diff suppressed because it is too large Load Diff

@ -16,6 +16,7 @@
package net.micode.notes.gtask.remote;
// 导入必要的Android类
import android.app.Activity;
import android.app.Service;
import android.content.Context;
@ -23,106 +24,135 @@ import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
// 定义GTaskSyncService类继承自Service
public class GTaskSyncService extends Service {
// 定义同步动作的字符串名称
public final static String ACTION_STRING_NAME = "sync_action_type";
// 定义开始同步的动作标识
public final static int ACTION_START_SYNC = 0;
// 定义取消同步的动作标识
public final static int ACTION_CANCEL_SYNC = 1;
// 定义无效动作的标识
public final static int ACTION_INVALID = 2;
// 定义广播名称,用于发送同步服务的广播
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
// 定义广播中表示是否正在同步的键
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
// 定义广播中表示进度消息的键
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
// 静态变量,表示当前的异步同步任务
private static GTaskASyncTask mSyncTask = null;
// 静态变量,保存同步进度消息
private static String mSyncProgress = "";
// 启动同步的方法
private void startSync() {
// 如果当前没有正在进行的同步任务
if (mSyncTask == null) {
// 创建新的异步同步任务
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
// 同步完成时的回调
public void onComplete() {
mSyncTask = null;
sendBroadcast("");
stopSelf();
mSyncTask = null; // 清空任务
sendBroadcast(""); // 发送广播
stopSelf(); // 停止服务
}
});
sendBroadcast("");
mSyncTask.execute();
sendBroadcast(""); // 发送广播,通知开始同步
mSyncTask.execute(); // 执行同步任务
}
}
// 取消同步的方法
private void cancelSync() {
// 如果有同步任务在运行
if (mSyncTask != null) {
mSyncTask.cancelSync();
mSyncTask.cancelSync(); // 取消同步
}
}
// 服务创建时调用的方法
@Override
public void onCreate() {
mSyncTask = null;
mSyncTask = null; // 初始化同步任务为null
}
// 当服务被启动时调用的方法
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Bundle bundle = intent.getExtras();
Bundle bundle = intent.getExtras(); // 获取传入的意图数据
// 如果意图中包含动作标识
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
// 根据动作标识进行处理
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
case ACTION_START_SYNC:
case ACTION_START_SYNC: // 开始同步
startSync();
break;
case ACTION_CANCEL_SYNC:
case ACTION_CANCEL_SYNC: // 取消同步
cancelSync();
break;
default:
break;
}
return START_STICKY;
return START_STICKY; // 表示服务在被系统杀死后应再次启动
}
return super.onStartCommand(intent, flags, startId);
return super.onStartCommand(intent, flags, startId); // 调用父类的方法
}
// 系统内存不足时调用的方法
@Override
public void onLowMemory() {
// 如果有正在运行的同步任务,取消它
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
// 绑定服务的方法返回null表示不支持绑定
public IBinder onBind(Intent intent) {
return null;
}
// 发送广播的方法,携带进度消息
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
mSyncProgress = msg; // 更新进度消息
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); // 创建广播意图
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); // 添加正在同步的状态
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); // 添加进度消息
sendBroadcast(intent); // 发送广播
}
// 启动同步的静态方法
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
GTaskManager.getInstance().setActivityContext(activity); // 设置上下文
Intent intent = new Intent(activity, GTaskSyncService.class); // 创建启动服务的意图
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); // 添加动作标识
activity.startService(intent); // 启动服务
}
// 取消同步的静态方法
public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent);
Intent intent = new Intent(context, GTaskSyncService.class); // 创建取消服务的意图
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); // 添加动作标识
context.startService(intent); // 启动服务
}
// 静态方法,用于判断当前是否正在同步
public static boolean isSyncing() {
return mSyncTask != null;
return mSyncTask != null; // 如果任务不为null则表示正在同步
}
// 静态方法,用于获取当前的进度字符串
public static String getProgressString() {
return mSyncProgress;
return mSyncProgress; // 返回同步进度消息
}
}

@ -36,9 +36,6 @@ import java.io.IOException;
import java.io.PrintStream;
`BackupUtils.java`
```java
public class BackupUtils {
private static final String TAG = "BackupUtils"; // 定义日志标签,用于识别日志输出的来源
@ -246,4 +243,576 @@ public class BackupUtils {
}
String folderId = folderCursor.getString(NOTE_COLUMN_ID);
exportFolderToText(folderId
package net.micode.notes.gtask.remote; // 定义当前类所在的包
import android.accounts.Account; // 引入账户类,表示一个用户账户
import android.accounts.AccountManager; // 导入账户管理类,用于管理账户及其相关操作
import android.accounts.AccountManagerFuture; // 导入异步获取账户的类
import android.app.Activity; // 引入Activity类代表应用的一个界面
import android.os.Bundle; // 引入Bundle类用于存储数据的容器
import android.text.TextUtils; // 导入工具类,主要用于判断字符串是否为空
import android.util.Log; // 导入Log类用于记录日志
import net.micode.notes.gtask.data.Node; // 引入任务节点类
import net.micode.notes.gtask.data.Task; // 引入任务类
import net.micode.notes.gtask.data.TaskList; // 引入任务列表类
import net.micode.notes.gtask.exception.ActionFailureException; // 引入自定义异常类,表示操作失败
import net.micode.notes.gtask.exception.NetworkFailureException; // 引入自定义异常类,表示网络失败
import net.micode.notes.tool.GTaskStringUtils; // 引入字符串工具类,提供字符串相关的方法
import net.micode.notes.ui.NotesPreferenceActivity; // 引入笔记偏好设置活动类
import org.apache.http.HttpEntity; // 引入HTTP实体类表示请求或响应的消息体
import org.apache.http.HttpResponse; // 引入HTTP响应类表示HTTP请求的响应
import org.apache.http.client.ClientProtocolException; // 引入客户端协议异常类
import org.apache.http.client.entity.UrlEncodedFormEntity; // 引入URL编码的表单实体类
import org.apache.http.client.methods.HttpGet; // 引入HTTP GET请求类
import org.apache.http.client.methods.HttpPost; // 引入HTTP POST请求类
import org.apache.http.cookie.Cookie; // 引入Cookie类表示HTTP Cookie
import org.apache.http.impl.client.BasicCookieStore; // 引入基本的Cookie存储类
import org.apache.http.impl.client.DefaultHttpClient; // 引入默认的HTTP客户端类
import org.apache.http.message.BasicNameValuePair; // 引入基本名称值对类,用于表单参数
import org.apache.http.params.BasicHttpParams; // 引入基本HTTP参数类
import org.apache.http.params.HttpConnectionParams; // 引入HTTP连接参数类
import org.apache.http.params.HttpParams; // 引入HTTP参数类
import org.apache.http.params.HttpProtocolParams; // 引入HTTP协议参数类
import org.json.JSONArray; // 引入JSON数组类
import org.json.JSONException; // 引入JSON异常类
import org.json.JSONObject; // 引入JSON对象类
import java.io.BufferedReader; // 引入缓冲读取器类
import java.io.IOException; // 引入IO异常类
import java.io.InputStream; // 引入输入流类
import java.io.InputStreamReader; // 引入输入流阅读器类
import java.util.LinkedList; // 引入链表类
import java.util.List; // 引入列表接口
import java.util.zip.GZIPInputStream; // 引入GZIP输入流类
import java.util.zip.Inflater; // 引入解压缩类
import java.util.zip.InflaterInputStream; // 引入解压缩输入流类
// GTaskClient类负责与Google任务系统的网络交互
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName(); // 日志标记,用于日志记录
// Google任务相关URL常量
private static final String GTASK_URL = "https://mail.google.com/tasks/";
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
private static GTaskClient mInstance = null; // 单例实例
private DefaultHttpClient mHttpClient; // 默认HTTP客户端
private String mGetUrl; // GET请求URL
private String mPostUrl; // POST请求URL
private long mClientVersion; // 客户端版本号
private boolean mLoggedin; // 登录状态
private long mLastLoginTime; // 上次登录时间
private int mActionId; // 动作ID
private Account mAccount; // 当前账户信息
private JSONArray mUpdateArray; // 更新操作数组
// 私有构造函数初始化GTaskClient实例
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL; // 初始化GET请求URL
mPostUrl = GTASK_POST_URL; // 初始化POST请求URL
mClientVersion = -1; // 初始化客户端版本
mLoggedin = false; // 初始化未登录状态
mLastLoginTime = 0; // 初始化上次登录时间
mActionId = 1; // 初始化动作ID
mAccount = null; // 初始化账户信息
mUpdateArray = null; // 初始化更新数组
}
// 获取GTaskClient单例实例
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient(); // 创建新实例
}
return mInstance; // 返回单例实例
}
// 登录方法
public boolean login(Activity activity) {
// 假设cookie在5分钟后过期需要重新登录
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false; // 登录过期
}
// 当账户切换时需要重新登录
if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) {
mLoggedin = false; // 切换账户后未登录
}
if (mLoggedin) {
Log.d(TAG, "already logged in"); // 已经登录
return true; // 返回登录成功
}
mLastLoginTime = System.currentTimeMillis(); // 更新最后登录时间
String authToken = loginGoogleAccount(activity, false); // 登录Google账户
if (authToken == null) {
Log.e(TAG, "login google account failed"); // 登录失败
return false; // 返回登录失败
}
// 登录自定义域名
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase().endsWith("googlemail.com"))) {
// 构建URL
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig"; // 更新GET请求URL
mPostUrl = url.toString() + "r/ig"; // 更新POST请求URL
// 尝试以自定义域名登录
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true; // 登录成功
}
}
// 尝试使用Google官方URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL; // 恢复默认GET请求URL
mPostUrl = GTASK_POST_URL; // 恢复默认POST请求URL
if (!tryToLoginGtask(activity, authToken)) { // 尝试登录
return false; // 登录失败
}
}
mLoggedin = true; // 登录状态更新
return true; // 返回登录成功
}
// 登录Google账户
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken; // 认证令牌
AccountManager accountManager = AccountManager.get(activity); // 获取账户管理器
Account[] accounts = accountManager.getAccountsByType("com.google"); // 获取Google账户
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account"); // 没有可用的Google账户
return null; // 返回null
}
String accountName = NotesPreferenceActivity.getSyncAccountName(activity); // 获取预设的账户名
Account account = null;
for (Account a : accounts) {
if (a.name.equals(accountName)) { // 查找匹配的账户
account = a;
break;
}
}
if (account != null) {
mAccount = account; // 设置当前账户
} else {
Log.e(TAG, "unable to get an account with the same name in the settings"); // 未找到匹配的账户
return null; // 返回null
}
// 现在获取token
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null); // 获取账户的认证令牌
try {
Bundle authTokenBundle = accountManagerFuture.getResult(); // 获取结果
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); // 提取认证令牌
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken); // 使令牌失效
loginGoogleAccount(activity, false); // 重新登录
}
} catch (Exception e) {
Log.e(TAG, "get auth token failed"); // 获取令牌失败
authToken = null; // 令牌为null
}
return authToken; // 返回认证令牌
}
// 尝试登录GTask
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) { // 登录GTask
// 可能认证令牌过期,令牌失效后重试
authToken = loginGoogleAccount(activity, true); // 重新获取令牌
if (authToken == null) {
Log.e(TAG, "login google account failed"); // 登录失败
return false; // 返回失败
}
if (!loginGtask(authToken)) { // 重试登录GTask
Log.e(TAG, "login gtask failed"); // 登录GTask失败
return false; // 返回失败
}
}
return true; // 登录成功
}
// 登录GTask
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000; // 连接超时设置
int timeoutSocket = 15000; // 套接字超时设置
HttpParams httpParameters = new BasicHttpParams(); // 创建HTTP参数
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // 设置连接超时
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); // 设置套接字超时
mHttpClient = new DefaultHttpClient(httpParameters); // 初始化HTTP客户端
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); // 初始化Cookie存储
mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 禁用ExpectContinue
// 登录GTask
try {
String loginUrl = mGetUrl + "?auth=" + authToken; // 构建登录URL
HttpGet httpGet = new HttpGet(loginUrl); // 创建GET请求
HttpResponse response = null;
response = mHttpClient.execute(httpGet); // 执行GET请求
// 获取Cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies(); // 获取当前Cookie
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
if (cookie.getName().contains("GTL")) { // 检查是否存在授权Cookie
hasAuthCookie = true;
}
}
if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie"); // 授权Cookie不存在
}
// 获取客户端版本
String resString = getResponseContent(response.getEntity()); // 获取响应内容
String jsBegin = "_setup("; // JavaScript开始标识
String jsEnd = ")}</script>"; // JavaScript结束标识
int begin = resString.indexOf(jsBegin); // 查找开始索引
int end = resString.lastIndexOf(jsEnd); // 查找结束索引
String jsString = null;
if (begin != -1 && end != -1 && begin < end) { // 提取JavaScript内容
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString); // 创建JSON对象
mClientVersion = js.getLong("v"); // 获取客户端版本
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON解析异常
e.printStackTrace(); // 打印异常堆栈
return false; // 返回失败
} catch (Exception e) {
// 捕获所有异常
Log.e(TAG, "httpget gtask_url failed"); // GET请求失败
return false; // 返回失败
}
return true; // 登录成功
}
// 获取下一个动作ID
private int getActionId() {
return mActionId++; // 返回并自增动作ID
}
// 创建HTTP POST请求
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl); // 创建POST请求
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); // 设置请求头
httpPost.setHeader("AT", "1"); // 设置自定义请求头
return httpPost; // 返回POST请求
}
// 获取响应内容
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null; // 内容编码
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue(); // 获取编码类型
Log.d(TAG, "encoding: " + contentEncoding); // 记录编码类型
}
InputStream input = entity.getContent(); // 获取输入流
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent()); // 解压GZIP流
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true); // 创建Inflater对象
input = new InflaterInputStream(entity.getContent(), inflater); // 解压DEFLATE流
}
try {
InputStreamReader isr = new InputStreamReader(input); // 创建输入流阅读器
BufferedReader br = new BufferedReader(isr); // 创建缓冲读取器
StringBuilder sb = new StringBuilder(); // 创建字符串构建器
while (true) {
String buff = br.readLine(); // 逐行读取
if (buff == null) {
return sb.toString(); // 返回读取的内容
}
sb = sb.append(buff); // 将内容添加到构建器
}
} finally {
input.close(); // 关闭输入流
}
}
// POST请求方法
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first"); // 未登录
throw new ActionFailureException("not logged in"); // 抛出异常
}
HttpPost httpPost = createHttpPost(); // 创建POST请求
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>(); // 创建参数列表
list.add(new BasicNameValuePair("r", js.toString())); // 添加请求参数
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); // 创建表单实体
httpPost.setEntity(entity); // 设置POST实体
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity()); // 获取响应内容
return new JSONObject(jsString); // 返回JSON对象
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString()); // 记录协议异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
} catch (IOException e) {
Log.e(TAG, e.toString()); // 记录IO异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("unable to convert response content to jsonobject"); // 抛出操作失败异常
} catch (Exception e) {
Log.e(TAG, e.toString()); // 记录其他异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("error occurs when posting request"); // 抛出操作失败异常
}
}
// 创建任务方法
public void createTask(Task task) throws NetworkFailureException {
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表数组
// 添加创建动作到动作列表
actionList.put(task.getCreateAction(getActionId())); // 获取创建动作并添加
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 执行POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取结果
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务ID
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("create task: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 创建任务列表方法
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表数组
// 添加创建动作到动作列表
actionList.put(tasklist.getCreateAction(getActionId())); // 获取创建动作并添加
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 执行POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取结果
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务列表ID
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("create tasklist: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 提交更新方法
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) { // 如果有更新数组
try {
JSONObject jsPost = new JSONObject(); // 创建JSON对象
// 设置动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); // 执行POST请求
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("commit update: handing jsonobject failed"); // 抛出操作失败异常
}
}
}
// 添加更新节点方法
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) { // 如果节点不为空
// 更新项目数量过多可能会导致错误设置最大为10个
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate(); // 提交更新
}
if (mUpdateArray == null) // 如果更新数组为空
mUpdateArray = new JSONArray(); // 初始化更新数组
mUpdateArray.put(node.getUpdateAction(getActionId())); // 添加更新操作到数组
}
}
// 移动任务方法
public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException {
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
JSONObject action = new JSONObject(); // 创建动作对象
// 设置移动任务的动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); // 设置任务ID
if (preParent == curParent && task.getPriorSibling() != null) {
// 仅当在任务列表内移动且不是第一个时设置前一个兄弟节点ID
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); // 设置源列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); // 设置目标父任务列表ID
if (preParent != curParent) {
// 仅当在不同任务列表间移动时设置目标列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action); // 将动作添加到动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); // 执行POST请求
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("move task: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 删除节点方法
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate(); // 提交更新
try {
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
// 删除节点
node.setDeleted(true); // 设置节点为已删除
actionList.put(node.getUpdateAction(getActionId())); // 添加更新动作到列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); // 执行POST请求
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("delete node: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 获取任务列表的方法
public JSONArray getTaskLists() throws NetworkFailureException {
// 检查是否已登录
if (!mLoggedin) {
Log.e(TAG, "please login first"); // 记录错误日志
throw new ActionFailureException("not logged in"); // 抛出未登录异常
}
try {
HttpGet httpGet = new HttpGet(mGetUrl); // 创建GET请求
HttpResponse response = null; // 声明响应对象
response = mHttpClient.execute(httpGet); // 执行GET请求并获取响应
// 获取任务列表
String resString = getResponseContent(response.getEntity()); // 读取响应内容
String jsBegin = "_setup("; // JS数据开始标识
String jsEnd = ")}</script>"; // JS数据结束标识
int begin = resString.indexOf(jsBegin); // 查找开始索引
int end = resString.lastIndexOf(jsEnd); // 查找结束索引
String jsString = null; // 存储提取的JS字符串
if (begin != -1 && end != -1 && begin < end) { // 检查索引有效性
jsString = resString.substring(begin + jsBegin.length(), end); // 提取JS字符串
}
JSONObject js = new JSONObject(jsString); // 创建JSON对象
// 返回任务列表的JSONArray
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString()); // 记录协议异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
} catch (IOException e) {
Log.e(TAG, e.toString()); // 记录IO异常
e.printStackTrace(); // 打印异常堆栈
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("get task lists: handing jasonobject failed"); // 抛出操作失败异常
}
}
// 获取指定任务列表的任务方法
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate(); // 提交更新操作
try {
JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
JSONObject action = new JSONObject(); // 创建单个动作对象
// 设置动作列表
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); // 动作类型为获取所有任务
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); // 设置任务列表ID
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 不获取已删除的任务
actionList.put(action); // 将动作添加到动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 设置动作列表到JSON对象
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost); // 执行POST请求并获取响应
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); // 返回任务数组
} catch (JSONException e) {
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈
throw new ActionFailureException("get task list: handing jsonobject failed"); // 抛出操作失败异常
}
}
// 获取当前同步账户的方法
public Account getSyncAccount() {
return mAccount; // 返回当前账户信息
}
// 重置更新数组的方法
public void resetUpdateArray() {
mUpdateArray = null; // 将更新数组设置为null
}
}

@ -28,11 +28,11 @@ import net.micode.notes.ui.NotesPreferenceActivity;
public class ResourceParser {
// 定义颜色常量
public static final int YELLOW = 0;
public static final int BLUE = 1;
public static final int WHITE = 2;
public static final int GREEN = 3;
public static final int RED = 4;
public static final int YELLOW = 0;//黄色为0
public static final int BLUE = 1;//蓝色为1
public static final int WHITE = 2;//白色为2
public static final int GREEN = 3;//绿色为3
public static final int RED = 4;//红色为4
// 定义默认背景颜色常量
public static final int BG_DEFAULT_COLOR = YELLOW;

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