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pnxf6w84l 7 months ago
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commit ada8cdece0
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80
src/Notes-master/src/net/micode/notes/gtask/data/MetaData.java
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package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
// 定义MetaData类，它继承自Task类
public class MetaData extends Task { public class MetaData extends Task {
/* // 定义一个私有静态常量TAG，用于记录类的简单名称，通常用于日志输出
* 功能描述：得到类的简写名称存入字符串TAG中
* 实现过程：调用getSimpleName ()函数
*/
private final static String TAG = MetaData.class.getSimpleName(); private final static String TAG = MetaData.class.getSimpleName();
// 定义一个私有成员变量mRelatedGid，用于存储相关的Gid，初始化为null
private String mRelatedGid = null; private String mRelatedGid = null;
/* // 此方法接受一个字符串gid和一个JSONObject类型的metaInfo作为参数
* 功能描述：设置数据，即生成元数据库 public void setMeta(String gid, JSONObject metaInfo) {
* 实现过程：调用JSONObject库函数put ()，Task类中的setNotes ()和setName ()函数
* 参数注解：
*/
public void setMeta(String gid, JSONObject metaInfo)
{
//对函数块进行注释
try { try {
// 尝试将gid放入metaInfo对象中，键为GTaskStringUtils.META_HEAD_GTASK_ID
metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid);
/*
* 将这对键值放入metaInfo这个jsonobject对象中
*/
} catch (JSONException e) { } catch (JSONException e) {
// 如果发生JSON异常，在日志中记录错误信息，表示无法放入相关gid
Log.e(TAG, "failed to put related gid"); Log.e(TAG, "failed to put related gid");
/*
* 输出错误信息
*/
} }
// 将metaInfo转换为字符串后设置为笔记内容
setNotes(metaInfo.toString()); setNotes(metaInfo.toString());
// 设置名称为GTaskStringUtils.META_NOTE_NAME
setName(GTaskStringUtils.META_NOTE_NAME); setName(GTaskStringUtils.META_NOTE_NAME);
} }
/* // 此方法用于获取相关的Gid
* 功能描述：获取相关联的Gid
*/
public String getRelatedGid() { public String getRelatedGid() {
return mRelatedGid; return mRelatedGid;
} }
/* // 重写isWorthSaving方法，判断笔记内容是否不为空，如果不为空则表示值得保存
* 功能描述：判断当前数据是否为空，若为空则返回真即值得保存
* Made By CuiCan
*/
@Override @Override
public boolean isWorthSaving() { public boolean isWorthSaving() {
return getNotes() != null; return getNotes()!= null;
} }
/* // 重写setContentByRemoteJSON方法
* 功能描述：使用远程json数据对象设置元数据内容
* 实现过程：调用父类Task中的setContentByRemoteJSON ()函数，并
* 参数注解：
*/
@Override @Override
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
super.setContentByRemoteJSON(js); super.setContentByRemoteJSON(js);
if (getNotes() != null) { if (getNotes()!= null) {
try { try {
// 如果笔记内容不为空，将其转换为JSONObject类型的metaInfo
JSONObject metaInfo = new JSONObject(getNotes().trim()); JSONObject metaInfo = new JSONObject(getNotes().trim());
// 从metaInfo中获取相关的Gid字符串
mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID);
} catch (JSONException e) { } catch (JSONException e) {
// 如果发生JSON异常，在日志中记录警告信息，表示无法获取相关gid
Log.w(TAG, "failed to get related gid"); Log.w(TAG, "failed to get related gid");
/*
* 输出警告信息
*/
mRelatedGid = null; mRelatedGid = null;
} }
} }
} }
/* // 重写setContentByLocalJSON方法，此方法不应该被调用，如果调用则抛出IllegalAccessError异常
* 功能描述：使用本地json数据对象设置元数据内容，一般不会用到，若用到，则抛出异常
* Made By CuiCan
*/
@Override @Override
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
// this function should not be called
throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called");
/*
* 传递非法参数异常
*/
} }
/* // 重写getLocalJSONFromContent方法，此方法不应该被调用，如果调用则抛出IllegalAccessError异常
* 功能描述：从元数据内容中获取本地json对象，一般不会用到，若用到，则抛出异常
* Made By CuiCan
*/
@Override @Override
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called");
/*
* 传递非法参数异常
* Made By Cui Can
*/
} }
/* // 重写getSyncAction方法，此方法不应该被调用，如果调用则抛出IllegalAccessError异常
* 功能描述：获取同步动作状态，一般不会用到，若用到，则抛出异常
* Made By CuiCan
*/
@Override @Override
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
throw new IllegalAccessError("MetaData:getSyncAction should not be called"); throw new IllegalAccessError("MetaData:getSyncAction should not be called");
/*
* 传递非法参数异常
* Made By Cui Can
*/
} }
} }

109
src/Notes-master/src/net/micode/notes/gtask/data/Node.java
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package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
// 导入用于数据库游标操作的类
import android.database.Cursor; import android.database.Cursor;
// 导入用于处理JSON对象的类
import org.json.JSONObject; import org.json.JSONObject;
/** // Node类是一个抽象类，可能是同步操作的基础数据类型，其中定义了与同步操作相关的常量
* 应该是同步操作的基础数据类型，定义了相关指示同步操作的常量
* 关键字：abstract
*/
public abstract class Node { public abstract class Node {
//定义了各种用于表征同步状态的常量 // 以下是一系列用于表示同步操作类型的常量定义
public static final int SYNC_ACTION_NONE = 0;// 本地和云端都无可更新内容（即本地和云端内容一致）
// 当本地和云端都无可更新内容（即内容一致）时的同步操作类型
public static final int SYNC_ACTION_ADD_REMOTE = 1;// 需要在远程云端增加内容 public static final int SYNC_ACTION_NONE = 0;
public static final int SYNC_ACTION_ADD_LOCAL = 2;// 需要在本地增加内容 // 需要在远程云端增加内容时的同步操作类型
public static final int SYNC_ACTION_ADD_REMOTE = 1;
public static final int SYNC_ACTION_DEL_REMOTE = 3;// 需要在远程云端删除内容
// 需要在本地增加内容时的同步操作类型
public static final int SYNC_ACTION_DEL_LOCAL = 4;// 需要在本地删除内容 public static final int SYNC_ACTION_ADD_LOCAL = 2;
public static final int SYNC_ACTION_UPDATE_REMOTE = 5;// 需要将本地内容更新到远程云端 // 需要在远程云端删除内容时的同步操作类型
public static final int SYNC_ACTION_DEL_REMOTE = 3;
public static final int SYNC_ACTION_UPDATE_LOCAL = 6;// 需要将远程云端内容更新到本地
// 需要在本地删除内容时的同步操作类型
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;// 同步出现冲突 public static final int SYNC_ACTION_DEL_LOCAL = 4;
public static final int SYNC_ACTION_ERROR = 8;// 同步出现错误 // 需要将本地内容更新到远程云端时的同步操作类型
public static final int SYNC_ACTION_UPDATE_REMOTE = 5;
// 需要将远程云端内容更新到本地时的同步操作类型
public static final int SYNC_ACTION_UPDATE_LOCAL = 6;
// 同步出现冲突时的同步操作类型
public static final int SYNC_ACTION_UPDATE_CONFLICT = 7;
// 同步出现错误时的同步操作类型
public static final int SYNC_ACTION_ERROR = 8;
// 用于存储唯一标识符（可能是全局唯一标识）
private String mGid; private String mGid;
// 用于存储名称
private String mName; private String mName;
// 用于记录最后一次修改的时间
private long mLastModified;
// 用于表示是否被删除的标志
private boolean mDeleted;
private long mLastModified;//记录最后一次修改时间 // 构造函数，用于初始化成员变量
private boolean mDeleted;//表征是否被删除
public Node() { public Node() {
mGid = null; mGid = null;
mName = ""; mName = "";
mLastModified = 0; mLastModified = 0;
mDeleted = false; mDeleted = false;
} }
// 抽象方法，根据给定的操作ID创建一个用于执行创建操作的JSONObject
public abstract JSONObject getCreateAction(int actionId); public abstract JSONObject getCreateAction(int actionId);
// 抽象方法，根据给定的操作ID创建一个用于执行更新操作的JSONObject
public abstract JSONObject getUpdateAction(int actionId); public abstract JSONObject getUpdateAction(int actionId);
// 抽象方法，根据远程的JSON对象设置内容
public abstract void setContentByRemoteJSON(JSONObject js); public abstract void setContentByRemoteJSON(JSONObject js);
// 抽象方法，根据本地的JSON对象设置内容
public abstract void setContentByLocalJSON(JSONObject js); public abstract void setContentByLocalJSON(JSONObject js);
// 抽象方法，从内容中获取本地的JSON对象
public abstract JSONObject getLocalJSONFromContent(); public abstract JSONObject getLocalJSONFromContent();
// 抽象方法，根据数据库游标获取同步操作类型
public abstract int getSyncAction(Cursor c); public abstract int getSyncAction(Cursor c);
// 设置Gid的方法
public void setGid(String gid) { public void setGid(String gid) {
this.mGid = gid; this.mGid = gid;
} }
// 设置名称的方法
public void setName(String name) { public void setName(String name) {
this.mName = name; this.mName = name;
} }
// 设置最后一次修改时间的方法
public void setLastModified(long lastModified) { public void setLastModified(long lastModified) {
this.mLastModified = lastModified; this.mLastModified = lastModified;
} }
// 设置是否被删除的方法
public void setDeleted(boolean deleted) { public void setDeleted(boolean deleted) {
this.mDeleted = deleted; this.mDeleted = deleted;
} }
// 获取Gid的方法
public String getGid() { public String getGid() {
return this.mGid; return this.mGid;
} }
// 获取名称的方法
public String getName() { public String getName() {
return this.mName; return this.mName;
} }
// 获取最后一次修改时间的方法
public long getLastModified() { public long getLastModified() {
return this.mLastModified; return this.mLastModified;
} }
// 获取是否被删除状态的方法
public boolean getDeleted() { public boolean getDeleted() {
return this.mDeleted; return this.mDeleted;
} }
} }

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src/Notes-master/src/net/micode/notes/gtask/data/SqlData.java
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package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
// 导入用于操作内容提供者相关的类
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.ContentUris; import android.content.ContentUris;
import android.content.ContentValues; import android.content.ContentValues;
import android.content.Context; import android.content.Context;
// 导入用于数据库游标操作的类
import android.database.Cursor; import android.database.Cursor;
// 导入用于处理URI的类
import android.net.Uri; import android.net.Uri;
import android.util.Log; import android.util.Log;
// 导入与笔记数据相关的类和常量
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants; import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.NotesDatabaseHelper.TABLE; import net.micode.notes.data.NotesDatabaseHelper.TABLE;
// 导入自定义的异常类
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
// 导入用于处理JSON对象的相关类
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
// SqlData类，可能用于处理与SQL相关的数据操作（如从数据库读取或写入数据等）
public class SqlData { public class SqlData {
// 定义一个私有静态常量TAG，用于记录类的简单名称，通常用于日志输出
private static final String TAG = SqlData.class.getSimpleName(); private static final String TAG = SqlData.class.getSimpleName();
// 定义一个表示无效ID的常量，可能用于初始化或者标识无效的数据库记录ID
private static final int INVALID_ID = -99999; private static final int INVALID_ID = -99999;
// 定义一个字符串数组，用于指定从数据库查询数据时要获取的列名
public static final String[] PROJECTION_DATA = new String[] { public static final String[] PROJECTION_DATA = new String[] {
DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1,
DataColumns.DATA3 DataColumns.DATA3
}; };
// 定义常量，表示在查询结果中ID列的索引位置
public static final int DATA_ID_COLUMN = 0; public static final int DATA_ID_COLUMN = 0;
// 定义常量，表示在查询结果中MIME_TYPE列的索引位置
public static final int DATA_MIME_TYPE_COLUMN = 1; public static final int DATA_MIME_TYPE_COLUMN = 1;
// 定义常量，表示在查询结果中CONTENT列的索引位置
public static final int DATA_CONTENT_COLUMN = 2; public static final int DATA_CONTENT_COLUMN = 2;
// 定义常量，表示在查询结果中DATA1列的索引位置
public static final int DATA_CONTENT_DATA_1_COLUMN = 3; public static final int DATA_CONTENT_DATA_1_COLUMN = 3;
// 定义常量，表示在查询结果中DATA3列的索引位置
public static final int DATA_CONTENT_DATA_3_COLUMN = 4; public static final int DATA_CONTENT_DATA_3_COLUMN = 4;
private ContentResolver mContentResolver; // 构造函数，用于创建新的SqlData对象，传入上下文对象
private boolean mIsCreate;
private long mDataId;
private String mDataMimeType;
private String mDataContent;
private long mDataContentData1;
private String mDataContentData3;
private ContentValues mDiffDataValues;
public SqlData(Context context) { public SqlData(Context context) {
// 获取内容提供者解析器
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
// 标记为创建操作
mIsCreate = true; mIsCreate = true;
// 初始化数据ID为无效ID
mDataId = INVALID_ID; mDataId = INVALID_ID;
// 初始化MIME类型为DataConstants.NOTE
mDataMimeType = DataConstants.NOTE; mDataMimeType = DataConstants.NOTE;
// 初始化数据内容为空字符串
mDataContent = ""; mDataContent = "";
// 初始化相关长整型数据为0
mDataContentData1 = 0; mDataContentData1 = 0;
// 初始化相关字符串数据为空字符串
mDataContentData3 = ""; mDataContentData3 = "";
// 初始化用于存储数据差异值的ContentValues对象
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
// 构造函数，用于从数据库游标创建SqlData对象，传入上下文对象和游标对象
public SqlData(Context context, Cursor c) { public SqlData(Context context, Cursor c) {
// 获取内容提供者解析器
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
// 标记为非创建操作（即更新操作）
mIsCreate = false; mIsCreate = false;
// 从游标加载数据到成员变量
loadFromCursor(c); loadFromCursor(c);
// 初始化用于存储数据差异值的ContentValues对象
mDiffDataValues = new ContentValues(); mDiffDataValues = new ContentValues();
} }
// 从数据库游标加载数据到成员变量的私有方法
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
// 从游标获取数据ID
mDataId = c.getLong(DATA_ID_COLUMN); mDataId = c.getLong(DATA_ID_COLUMN);
// 从游标获取MIME类型
mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN);
// 从游标获取数据内容
mDataContent = c.getString(DATA_CONTENT_COLUMN); mDataContent = c.getString(DATA_CONTENT_COLUMN);
// 从游标获取相关长整型数据
mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN);
// 从游标获取相关字符串数据
mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN);
} }
// 根据传入的JSONObject设置对象的成员变量，可能会根据创建标记和已有数据判断是否需要更新差异值
public void setContent(JSONObject js) throws JSONException { public void setContent(JSONObject js) throws JSONException {
long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; // 从JSON对象获取数据ID，如果不存在则使用无效ID
if (mIsCreate || mDataId != dataId) { long dataId = js.has(DataColumns.ID)? js.getLong(DataColumns.ID) : INVALID_ID;
if (mIsCreate || mDataId!= dataId) {
mDiffDataValues.put(DataColumns.ID, dataId); mDiffDataValues.put(DataColumns.ID, dataId);
} }
mDataId = dataId; mDataId = dataId;
String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE) // 从JSON对象获取MIME类型，如果不存在则使用默认的DataConstants.NOTE
String dataMimeType = js.has(DataColumns.MIME_TYPE)? js.getString(DataColumns.MIME_TYPE)
: DataConstants.NOTE; : DataConstants.NOTE;
if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { if (mIsCreate ||!mDataMimeType.equals(dataMimeType)) {
mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType);
} }
mDataMimeType = dataMimeType; mDataMimeType = dataMimeType;
String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; // 从JSON对象获取数据内容，如果不存在则使用空字符串
if (mIsCreate || !mDataContent.equals(dataContent)) { String dataContent = js.has(DataColumns.CONTENT)? js.getString(DataColumns.CONTENT) : "";
if (mIsCreate ||!mDataContent.equals(dataContent)) {
mDiffDataValues.put(DataColumns.CONTENT, dataContent); mDiffDataValues.put(DataColumns.CONTENT, dataContent);
} }
mDataContent = dataContent; mDataContent = dataContent;
long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; // 从JSON对象获取相关长整型数据，如果不存在则使用0
if (mIsCreate || mDataContentData1 != dataContentData1) { long dataContentData1 = js.has(DataColumns.DATA1)? js.getLong(DataColumns.DATA1) : 0;
if (mIsCreate || mDataContentData1!= dataContentData1) {
mDiffDataValues.put(DataColumns.DATA1, dataContentData1); mDiffDataValues.put(DataColumns.DATA1, dataContentData1);
} }
mDataContentData1 = dataContentData1; mDataContentData1 = dataContentData1;
String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; // 从JSON对象获取相关字符串数据，如果不存在则使用空字符串
if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { String dataContentData3 = js.has(DataColumns.DATA3)? js.getString(DataColumns.DATA3) : "";
if (mIsCreate ||!mDataContentData3.equals(dataContentData3)) {
mDiffDataValues.put(DataColumns.DATA3, dataContentData3); mDiffDataValues.put(DataColumns.DATA3, dataContentData3);
} }
mDataContentData3 = dataContentData3; mDataContentData3 = dataContentData3;
} }
// 获取对象的成员变量并转换为JSONObject，如果是创建操作则记录错误日志并返回null
public JSONObject getContent() throws JSONException { public JSONObject getContent() throws JSONException {
if (mIsCreate) { if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet"); Log.e(TAG, "it seems that we haven't created this in database yet");
@ -144,31 +161,39 @@ public class SqlData {
return js; return js;
} }
// 将数据提交到数据库的方法，根据是创建操作还是更新操作执行不同的逻辑，同时可根据版本验证进行更新操作
public void commit(long noteId, boolean validateVersion, long version) { public void commit(long noteId, boolean validateVersion, long version) {
if (mIsCreate) { if (mIsCreate) {
// 如果是创建操作并且数据ID为无效ID且差异值中包含ID键，则移除该键
if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) {
mDiffDataValues.remove(DataColumns.ID); mDiffDataValues.remove(DataColumns.ID);
} }
// 将noteId放入差异值中（可能表示与笔记相关的ID）
mDiffDataValues.put(DataColumns.NOTE_ID, noteId); mDiffDataValues.put(DataColumns.NOTE_ID, noteId);
// 使用内容提供者解析器插入数据到指定的URI，并获取插入后的URI
Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues);
try { try {
// 从URI中获取插入后的ID，如果转换失败则记录错误日志并抛出异常
mDataId = Long.valueOf(uri.getPathSegments().get(1)); mDataId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString()); Log.e(TAG, "Get note id error :" + e.toString());
throw new ActionFailureException("create note failed"); throw new ActionFailureException("create note failed");
} }
} else { } else {
// 如果是更新操作并且差异值不为空
if (mDiffDataValues.size() > 0) { if (mDiffDataValues.size() > 0) {
int result = 0; int result = 0;
if (!validateVersion) { if (!validateVersion) {
// 如果不进行版本验证，直接更新数据
result = mContentResolver.update(ContentUris.withAppendedId( result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null);
} else { } else {
// 如果进行版本验证，使用特定的条件更新数据
result = mContentResolver.update(ContentUris.withAppendedId( result = mContentResolver.update(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues,
" ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE "? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE
+ " WHERE " + NoteColumns.VERSION + "=?)", new String[] { + " WHERE " + NoteColumns.VERSION + "=?)", new String[] {
String.valueOf(noteId), String.valueOf(version) String.valueOf(noteId), String.valueOf(version)
}); });
@ -179,11 +204,14 @@ public class SqlData {
} }
} }
// 清除差异值
mDiffDataValues.clear(); mDiffDataValues.clear();
// 标记为非创建操作（更新操作完成后）
mIsCreate = false; mIsCreate = false;
} }
// 获取数据ID的方法
public long getId() { public long getId() {
return mDataId; return mDataId;
} }
} }

441
src/Notes-master/src/net/micode/notes/gtask/data/SqlNote.java
Unescape View File

@ -13,36 +13,46 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
// 导入用于操作App Widget相关的类
import android.appwidget.AppWidgetManager; import android.appwidget.AppWidgetManager;
// 导入用于操作内容提供者相关的类
import android.content.ContentResolver; import android.content.ContentResolver;
import android.content.ContentValues; import android.content.ContentValues;
// 导入上下文相关类，用于获取系统服务等操作
import android.content.Context; import android.content.Context;
// 导入数据库游标相关类，用于查询和遍历数据库结果
import android.database.Cursor; import android.database.Cursor;
// 导入处理URI相关的类
import android.net.Uri; import android.net.Uri;
import android.util.Log; import android.util.Log;
// 导入与笔记数据相关的类、常量和列定义
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns;
// 导入自定义的异常类
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
// 导入自定义的工具类，可能用于处理GTask相关的字符串操作
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
// 导入可能用于解析资源的工具类
import net.micode.notes.tool.ResourceParser; import net.micode.notes.tool.ResourceParser;
// 导入用于处理JSON对象和数组的相关类
import org.json.JSONArray; import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
import java.util.ArrayList; // 导入用于存储对象列表的ArrayList类
// SqlNote类，可能用于处理与笔记（Note）相关的SQL操作（如从数据库读取或写入笔记数据等）
public class SqlNote { public class SqlNote {
// 定义一个私有静态常量TAG，用于记录类的简单名称，通常用于日志输出
private static final String TAG = SqlNote.class.getSimpleName(); private static final String TAG = SqlNote.class.getSimpleName();
// 定义一个表示无效ID的常量，可能用于初始化或者标识无效的数据库记录ID
private static final int INVALID_ID = -99999; private static final int INVALID_ID = -99999;
// 定义一个字符串数组，用于指定从数据库查询笔记数据时要获取的列名
public static final String[] PROJECTION_NOTE = new String[] { public static final String[] PROJECTION_NOTE = new String[] {
NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID,
NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE,
@ -51,168 +61,224 @@ public class SqlNote {
NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID, NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID,
NoteColumns.VERSION NoteColumns.VERSION
}; };
// 定义常量，表示在查询结果中ID列的索引位置
public static final int ID_COLUMN = 0; public static final int ID_COLUMN = 0;
// 定义常量，表示在查询结果中ALERTED_DATE列的索引位置
public static final int ALERTED_DATE_COLUMN = 1; public static final int ALERTED_DATE_COLUMN = 1;
// 定义常量，表示在查询结果中BG_COLOR_ID列的索引位置
public static final int BG_COLOR_ID_COLUMN = 2; public static final int BG_COLOR_ID_COLUMN = 2;
// 定义常量，表示在查询结果中CREATED_DATE列的索引位置
public static final int CREATED_DATE_COLUMN = 3; public static final int CREATED_DATE_COLUMN = 3;
// 定义常量，表示在查询结果中HAS_ATTACHMENT列的索引位置
public static final int HAS_ATTACHMENT_COLUMN = 4; public static final int HAS_ATTACHMENT_COLUMN = 4;
// 定义常量，表示在查询结果中MODIFIED_DATE列的索引位置
public static final int MODIFIED_DATE_COLUMN = 5; public static final int MODIFIED_DATE_COLUMN = 5;
// 定义常量，表示在查询结果中NOTES_COUNT列的索引位置
public static final int NOTES_COUNT_COLUMN = 6; public static final int NOTES_COUNT_COLUMN = 6;
// 定义常量，表示在查询结果中PARENT_ID列的索引位置
public static final int PARENT_ID_COLUMN = 7; public static final int PARENT_ID_COLUMN = 7;
// 定义常量，表示在查询结果中SNIPPET列的索引位置
public static final int SNIPPET_COLUMN = 8; public static final int SNIPPET_COLUMN = 8;
// 定义常量，表示在查询结果中TYPE列的索引位置
public static final int TYPE_COLUMN = 9; public static final int TYPE_COLUMN = 9;
// 定义常量，表示在查询结果中WIDGET_ID列的索引位置
public static final int WIDGET_ID_COLUMN = 10; public static final int WIDGET_ID_COLUMN = 10;
// 定义常量，表示在查询结果中WIDGET_TYPE列的索引位置
public static final int WIDGET_TYPE_COLUMN = 11; public static final int WIDGET_TYPE_COLUMN = 11;
// 定义常量，表示在查询结果中SYNC_ID列的索引位置
public static final int SYNC_ID_COLUMN = 12; public static final int SYNC_ID_COLUMN = 12;
// 定义常量，表示在查询结果中LOCAL_MODIFIED列的索引位置
public static final int LOCAL_MODIFIED_COLUMN = 13; public static final int LOCAL_MODIFIED_COLUMN = 13;
// 定义常量，表示在查询结果中ORIGIN_PARENT_ID列的索引位置
public static final int ORIGIN_PARENT_ID_COLUMN = 14; public static final int ORIGIN_PARENT_ID_COLUMN = 14;
// 定义常量，表示在查询结果中GTASK_ID列的索引位置
public static final int GTASK_ID_COLUMN = 15; public static final int GTASK_ID_COLUMN = 15;
// 定义常量，表示在查询结果中VERSION_COLUMN列的索引位置
public static final int VERSION_COLUMN = 16; public static final int VERSION_COLUMN = 16;
// 上下文对象，用于获取系统资源、服务等操作
private Context mContext; private Context mContext;
// 内容提供者解析器，用于操作内容提供者（如数据库内容提供者）
private ContentResolver mContentResolver; private ContentResolver mContentResolver;
// 标记是否是创建操作（用于区分是新建笔记还是更新已有笔记）
private boolean mIsCreate; private boolean mIsCreate;
// 存储笔记的ID，初始化为无效ID
private long mId; private long mId;
// 存储笔记的提醒日期，初始化为0
private long mAlertDate; private long mAlertDate;
// 存储笔记的背景颜色ID，初始化为默认背景颜色ID
private int mBgColorId; private int mBgColorId;
// 存储笔记的创建日期，初始化为当前系统时间
private long mCreatedDate; private long mCreatedDate;
// 存储笔记是否有附件的标识，初始化为0（表示无附件）
private int mHasAttachment; private int mHasAttachment;
// 存储笔记的修改日期，初始化为当前系统时间
private long mModifiedDate; private long mModifiedDate;
// 存储笔记的父级ID，初始化为0
private long mParentId; private long mParentId;
// 存储笔记的摘要内容，初始化为空字符串
private String mSnippet; private String mSnippet;
// 存储笔记的类型，初始化为Notes.TYPE_NOTE
private int mType; private int mType;
// 存储与App Widget相关的ID，初始化为无效的App Widget ID
private int mWidgetId; private int mWidgetId;
// 存储与App Widget相关的类型，初始化为无效的类型
private int mWidgetType; private int mWidgetType;
// 存储笔记的原始父级ID，初始化为0
private long mOriginParent; private long mOriginParent;
// 存储笔记的版本号，初始化为0
private long mVersion; private long mVersion;
// 用于存储笔记数据差异值（可能用于在更新操作中只更新有变化的值）
private ContentValues mDiffNoteValues; private ContentValues mDiffNoteValues;
// 存储与笔记相关的数据列表（可能是多个SqlData对象，每个对象代表笔记的一部分数据）
private ArrayList<SqlData> mDataList; private ArrayList<SqlData> mDataList;
// 构造函数，用于创建新的SqlNote对象，传入上下文对象
public SqlNote(Context context) { public SqlNote(Context context) {
// 初始化上下文对象
mContext = context; mContext = context;
// 获取内容提供者解析器
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
// 标记为创建操作
mIsCreate = true; mIsCreate = true;
// 初始化笔记ID为无效ID
mId = INVALID_ID; mId = INVALID_ID;
// 初始化提醒日期为0
mAlertDate = 0; mAlertDate = 0;
// 初始化背景颜色ID为默认背景颜色ID
mBgColorId = ResourceParser.getDefaultBgId(context); mBgColorId = ResourceParser.getDefaultBgId(context);
// 初始化创建日期为当前系统时间
mCreatedDate = System.currentTimeMillis(); mCreatedDate = System.currentTimeMillis();
// 初始化是否有附件标识为0
mHasAttachment = 0; mHasAttachment = 0;
// 初始化修改日期为当前系统时间
mModifiedDate = System.currentTimeMillis(); mModifiedDate = System.currentTimeMillis();
// 初始化父级ID为0
mParentId = 0; mParentId = 0;
// 初始化摘要内容为空字符串
mSnippet = ""; mSnippet = "";
// 初始化笔记类型为Notes.TYPE_NOTE
mType = Notes.TYPE_NOTE; mType = Notes.TYPE_NOTE;
// 初始化与App Widget相关的ID为无效的App Widget ID
mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID;
// 初始化与App Widget相关的类型为无效的类型
mWidgetType = Notes.TYPE_WIDGET_INVALIDE; mWidgetType = Notes.TYPE_WIDGET_INVALIDE;
// 初始化原始父级ID为0
mOriginParent = 0; mOriginParent = 0;
// 初始化版本号为0
mVersion = 0; mVersion = 0;
// 初始化用于存储笔记数据差异值的ContentValues对象
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
// 初始化与笔记相关的数据列表
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
} }
// 构造函数，用于从数据库游标创建SqlNote对象，传入上下文对象和游标对象
public SqlNote(Context context, Cursor c) { public SqlNote(Context context, Cursor c) {
// 初始化上下文对象
mContext = context; mContext = context;
// 获取内容提供者解析器
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
// 标记为非创建操作（即更新操作）
mIsCreate = false; mIsCreate = false;
// 从游标加载笔记数据到成员变量
loadFromCursor(c); loadFromCursor(c);
// 初始化与笔记相关的数据列表
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
// 如果是笔记类型，则加载数据内容
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent();
// 初始化用于存储笔记数据差异值的ContentValues对象
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
} }
// 构造函数，用于根据笔记ID从数据库创建SqlNote对象，传入上下文对象和笔记ID
public SqlNote(Context context, long id) { public SqlNote(Context context, long id) {
// 初始化上下文对象
mContext = context; mContext = context;
// 获取内容提供者解析器
mContentResolver = context.getContentResolver(); mContentResolver = context.getContentResolver();
// 标记为非创建操作（即更新操作）
mIsCreate = false; mIsCreate = false;
// 根据笔记ID从游标加载笔记数据到成员变量
loadFromCursor(id); loadFromCursor(id);
// 初始化与笔记相关的数据列表
mDataList = new ArrayList<SqlData>(); mDataList = new ArrayList<SqlData>();
// 如果是笔记类型，则加载数据内容
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent();
// 初始化用于存储笔记数据差异值的ContentValues对象
mDiffNoteValues = new ContentValues(); mDiffNoteValues = new ContentValues();
} }
// 根据笔记ID从数据库游标加载数据到成员变量的私有方法
private void loadFromCursor(long id) { private void loadFromCursor(long id) {
Cursor c = null; Cursor c = null;
try { try {
// 通过内容提供者解析器查询指定笔记ID的记录
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)",
new String[] { new String[] {
String.valueOf(id) String.valueOf(id)
}, null); }, null);
if (c != null) { if (c!= null) {
// 将游标移动到查询结果的第一条记录（假设只有一条结果）
c.moveToNext(); c.moveToNext();
// 从游标加载笔记数据到成员变量
loadFromCursor(c); loadFromCursor(c);
} else { } else {
Log.w(TAG, "loadFromCursor: cursor = null"); Log.w(TAG, "loadFromCursor: cursor = null");
} }
} finally { } finally {
if (c != null) // 如果游标不为空，则关闭游标以释放资源
if (c!= null)
c.close(); c.close();
} }
} }
// 从数据库游标加载笔记数据到成员变量的私有方法
private void loadFromCursor(Cursor c) { private void loadFromCursor(Cursor c) {
// 从游标获取笔记ID
mId = c.getLong(ID_COLUMN); mId = c.getLong(ID_COLUMN);
// 从游标获取提醒日期
mAlertDate = c.getLong(ALERTED_DATE_COLUMN); mAlertDate = c.getLong(ALERTED_DATE_COLUMN);
// 从游标获取背景颜色ID
mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); mBgColorId = c.getInt(BG_COLOR_ID_COLUMN);
// 从游标获取创建日期
mCreatedDate = c.getLong(CREATED_DATE_COLUMN); mCreatedDate = c.getLong(CREATED_DATE_COLUMN);
// 从游标获取是否有附件标识
mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN);
// 从游标获取修改日期
mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN);
// 从游标获取父级ID
mParentId = c.getLong(PARENT_ID_COLUMN); mParentId = c.getLong(PARENT_ID_COLUMN);
// 从游标获取摘要内容
mSnippet = c.getString(SNIPPET_COLUMN); mSnippet = c.getString(SNIPPET_COLUMN);
// 从游标获取笔记类型
mType = c.getInt(TYPE_COLUMN); mType = c.getInt(TYPE_COLUMN);
// 从游标获取与App Widget相关的ID
mWidgetId = c.getInt(WIDGET_ID_COLUMN); mWidgetId = c.getInt(WIDGET_ID_COLUMN);
// 从游标获取与App Widget相关的类型
mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); mWidgetType = c.getInt(WIDGET_TYPE_COLUMN);
// 从游标获取版本号
mVersion = c.getLong(VERSION_COLUMN); mVersion = c.getLong(VERSION_COLUMN);
} }
// 加载与笔记相关的数据内容的私有方法，仅在笔记类型时调用
private void loadDataContent() { private void loadDataContent() {
Cursor c = null; Cursor c = null;
mDataList.clear(); mDataList.clear();
try { try {
// 通过内容提供者解析器查询与当前笔记ID相关的数据记录
c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA,
"(note_id=?)", new String[] { "(note_id=?)", new String[] {
String.valueOf(mId) String.valueOf(mId)
}, null); }, null);
if (c != null) { if (c!= null) {
// 如果查询结果数量为0，表示笔记没有数据，则记录警告日志并返回
if (c.getCount() == 0) { if (c.getCount() == 0) {
Log.w(TAG, "it seems that the note has not data"); Log.w(TAG, "it seems that the note has not data");
return; return;
} }
// 遍历查询结果，创建SqlData对象并添加到数据列表中
while (c.moveToNext()) { while (c.moveToNext()) {
SqlData data = new SqlData(mContext, c); SqlData data = new SqlData(mContext, c);
mDataList.add(data); mDataList.add(data);
@ -221,49 +287,56 @@ public class SqlNote {
Log.w(TAG, "loadDataContent: cursor = null"); Log.w(TAG, "loadDataContent: cursor = null");
} }
} finally { } finally {
if (c != null) // 如果游标不为空，则关闭游标以释放资源
if (c!= null)
c.close(); c.close();
} }
} }
// 根据传入的JSONObject设置对象的成员变量，根据笔记类型处理不同的属性设置，
// 并对数据列表中的SqlData对象进行相应设置，返回设置是否成功
public boolean setContent(JSONObject js) { public boolean setContent(JSONObject js) {
try { try {
// 从JSON对象中获取与笔记相关的JSONObject
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
// 如果笔记类型为系统类型，则记录警告日志，因为不能设置系统文件夹
if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) {
Log.w(TAG, "cannot set system folder"); Log.w(TAG, "cannot set system folder");
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
// for folder we can only update the snnipet and type // 如果是文件夹类型，只能更新摘要和类型属性
String snippet = note.has(NoteColumns.SNIPPET) ? note String snippet = note.has(NoteColumns.SNIPPET)? note
.getString(NoteColumns.SNIPPET) : ""; .getString(NoteColumns.SNIPPET) : "";
if (mIsCreate || !mSnippet.equals(snippet)) { if (mIsCreate ||!mSnippet.equals(snippet)) {
mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); mDiffNoteValues.put(NoteColumns.SNIPPET, snippet);
} }
mSnippet = snippet; mSnippet = snippet;
int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) int type = note.has(NoteColumns.TYPE)? note.getInt(NoteColumns.TYPE)
: Notes.TYPE_NOTE; : Notes.TYPE_NOTE;
if (mIsCreate || mType != type) { if (mIsCreate || mType!= type) {
mDiffNoteValues.put(NoteColumns.TYPE, type); mDiffNoteValues.put(NoteColumns.TYPE, type);
} }
mType = type; mType = type;
} else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) {
// 如果是笔记类型
// 从JSON对象中获取数据数组
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; long id = note.has(NoteColumns.ID)? note.getLong(NoteColumns.ID) : INVALID_ID;
if (mIsCreate || mId != id) { if (mIsCreate || mId!= id) {
mDiffNoteValues.put(NoteColumns.ID, id); mDiffNoteValues.put(NoteColumns.ID, id);
} }
mId = id; mId = id;
long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note long alertDate = note.has(NoteColumns.ALERTED_DATE)? note
.getLong(NoteColumns.ALERTED_DATE) : 0; .getLong(NoteColumns.ALERTED_DATE) : 0;
if (mIsCreate || mAlertDate != alertDate) { if (mIsCreate || mAlertDate!= alertDate) {
mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate);
} }
mAlertDate = alertDate; mAlertDate = alertDate;
int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note int bgColorId = note.has(NoteColumns.BG_COLOR_ID)? note
.getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext);
if (mIsCreate || mBgColorId != bgColorId) { if (mIsCreate || mBgColorId!= bgColorId) {
mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId);
} }
mBgColorId = bgColorId; mBgColorId = bgColorId;
@ -359,147 +432,155 @@ public class SqlNote {
return true; return true;
} }
public JSONObject getContent() { // 将对象的成员变量转换为JSONObject，根据笔记类型构建不同结构的JSON对象
try { public JSONObject getContent() {
JSONObject js = new JSONObject(); try {
JSONObject js = new JSONObject();
if (mIsCreate) { if (mIsCreate) {
Log.e(TAG, "it seems that we haven't created this in database yet"); Log.e(TAG, "it seems that we haven't created this in database yet");
return null; return null;
} }
JSONObject note = new JSONObject(); JSONObject note = new JSONObject();
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
note.put(NoteColumns.ID, mId); note.put(NoteColumns.ID, mId);
note.put(NoteColumns.ALERTED_DATE, mAlertDate); note.put(NoteColumns.ALERTED_DATE, mAlertDate);
note.put(NoteColumns.BG_COLOR_ID, mBgColorId); note.put(NoteColumns.BG_COLOR_ID, mBgColorId);
note.put(NoteColumns.CREATED_DATE, mCreatedDate); note.put(NoteColumns.CREATED_DATE, mCreatedDate);
note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment);
note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); note.put(NoteColumns.MODIFIED_DATE, mModifiedDate);
note.put(NoteColumns.PARENT_ID, mParentId); note.put(NoteColumns.PARENT_ID, mParentId);
note.put(NoteColumns.SNIPPET, mSnippet); note.put(NoteColumns.SNIPPET, mSnippet);
note.put(NoteColumns.TYPE, mType); note.put(NoteColumns.TYPE, mType);
note.put(NoteColumns.WIDGET_ID, mWidgetId); note.put(NoteColumns.WIDGET_ID, mWidgetId);
note.put(NoteColumns.WIDGET_TYPE, mWidgetType); note.put(NoteColumns.WIDGET_TYPE, mWidgetType);
note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent);
js.put(GTaskStringUtils.META_HEAD_NOTE, note); js.put(GTaskStringUtils.META_HEAD_NOTE, note);
JSONArray dataArray = new JSONArray(); JSONArray dataArray = new JSONArray();
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {
JSONObject data = sqlData.getContent(); JSONObject data = sqlData.getContent();
if (data != null) { if (data!= null) {
dataArray.put(data); dataArray.put(data);
}
} }
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);
return js; } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) {
} catch (JSONException e) { note.put(NoteColumns.ID, mId);
Log.e(TAG, e.toString()); note.put(NoteColumns.TYPE, mType);
e.printStackTrace(); note.put(NoteColumns.SNIPPET, mSnippet);
js.put(GTaskStringUtils.META_HEAD_NOTE, note);
} }
return null;
}
public void setParentId(long id) { return js;
mParentId = id; } catch (JSONException e) {
mDiffNoteValues.put(NoteColumns.PARENT_ID, id); Log.e(TAG, e.toString());
} e.printStackTrace();
public void setGtaskId(String gid) {
mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
}
public void setSyncId(long syncId) {
mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
} }
return null;
}
public void resetLocalModified() { // 设置笔记的父级ID，并将其添加到用于更新的数据差异值ContentValues中
mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); public void setParentId(long id) {
} mParentId = id;
mDiffNoteValues.put(NoteColumns.PARENT_ID, id);
}
public long getId() { // 设置笔记的Gtask ID，将其添加到用于更新的数据差异值ContentValues中
return mId; public void setGtaskId(String gid) {
} mDiffNoteValues.put(NoteColumns.GTASK_ID, gid);
}
public long getParentId() { // 设置笔记的同步ID，将其添加到用于更新的数据差异值ContentValues中
return mParentId; public void setSyncId(long syncId) {
} mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId);
}
public String getSnippet() { // 将本地修改标记重置为0，将其添加到用于更新的数据差异值ContentValues中
return mSnippet; public void resetLocalModified() {
} mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0);
}
// 返回笔记的ID
public long getId() {
return mId;
}
// 返回笔记的父级ID
public long getParentId() {
return mParentId;
}
public boolean isNoteType() { // 返回笔记的摘要内容
return mType == Notes.TYPE_NOTE; public String getSnippet() {
} return mSnippet;
}
// 如果笔记类型为Notes.TYPE_NOTE则返回true，否则返回false
public boolean isNoteType() {
return mType == Notes.TYPE_NOTE;
}
public void commit(boolean validateVersion) { // 将笔记的更改提交到数据库，根据是否是创建操作以及是否验证版本进行不同的操作
if (mIsCreate) { public void commit(boolean validateVersion) {
if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { if (mIsCreate) {
mDiffNoteValues.remove(NoteColumns.ID); // 如果是创建操作
} if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) {
mDiffNoteValues.remove(NoteColumns.ID);
}
Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues);
try { try {
mId = Long.valueOf(uri.getPathSegments().get(1)); mId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) { } catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString()); Log.e(TAG, "Get note id error :" + e.toString());
throw new ActionFailureException("create note failed"); throw new ActionFailureException("create note failed");
} }
if (mId == 0) { if (mId == 0) {
throw new IllegalStateException("Create thread id failed"); throw new IllegalStateException("Create thread id failed");
} }
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {
sqlData.commit(mId, false, -1); sqlData.commit(mId, false, -1);
}
} }
} else { }
if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) { } else {
Log.e(TAG, "No such note"); // 如果是更新操作
throw new IllegalStateException("Try to update note with invalid id"); if (mId <= 0 && mId!= Notes.ID_ROOT_FOLDER && mId!= Notes.ID_CALL_RECORD_FOLDER) {
} Log.e(TAG, "No such note");
if (mDiffNoteValues.size() > 0) { throw new IllegalStateException("Try to update note with invalid id");
mVersion ++; }
int result = 0; if (mDiffNoteValues.size() > 0) {
if (!validateVersion) { mVersion++;
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" int result = 0;
+ NoteColumns.ID + "=?)", new String[] { if (!validateVersion) {
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?)", new String[] {
String.valueOf(mId) String.valueOf(mId)
}); });
} else { } else {
result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "("
+ NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)",
new String[] { 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");
}
} }
if (result == 0) {
Log.w(TAG, "there is no update. maybe user updates note when syncing");
}
}
if (mType == Notes.TYPE_NOTE) { if (mType == Notes.TYPE_NOTE) {
for (SqlData sqlData : mDataList) { for (SqlData sqlData : mDataList) {
sqlData.commit(mId, validateVersion, mVersion); sqlData.commit(mId, validateVersion, mVersion);
}
} }
} }
}
// refresh local info // 重新从数据库加载笔记数据，以刷新本地信息
loadFromCursor(mId); loadFromCursor(mId);
if (mType == Notes.TYPE_NOTE) if (mType == Notes.TYPE_NOTE)
loadDataContent(); loadDataContent();
mDiffNoteValues.clear(); mDiffNoteValues.clear();
mIsCreate = false; mIsCreate = false;
} }
}

144
src/Notes-master/src/net/micode/notes/gtask/data/Task.java
Unescape View File

@ -13,7 +13,6 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
@ -31,20 +30,22 @@ import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
// Task类，表示一个任务，继承自Node类
public class Task extends Node { public class Task extends Node {
private static final String TAG = Task.class.getSimpleName(); private static final String TAG = Task.class.getSimpleName();
// 任务是否完成的标志
private boolean mCompleted; private boolean mCompleted;
// 任务的备注信息
private String mNotes; private String mNotes;
// 任务的元信息，以JSONObject形式存储
private JSONObject mMetaInfo; private JSONObject mMetaInfo;
// 任务的前一个兄弟任务
private Task mPriorSibling; private Task mPriorSibling;
// 任务的父任务（以TaskList形式）
private TaskList mParent; private TaskList mParent;
// 构造函数，初始化任务对象的默认属性
public Task() { public Task() {
super(); super();
mCompleted = false; mCompleted = false;
@ -54,116 +55,110 @@ public class Task extends Node {
mMetaInfo = null; mMetaInfo = null;
} }
// 根据给定的actionId创建一个用于表示创建任务动作的JSONObject
public JSONObject getCreateAction(int actionId) { public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置动作类型为创建任务
js.put(GTaskStringUtils.GTASK_JSON_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ID
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务在父任务中的索引
// index
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
// entity_delta // 创建表示任务实体信息的JSONObject
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
// 设置任务名称
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
// 设置创建者ID（这里为null）
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
// 设置实体类型为任务类型
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_TASK); GTaskStringUtils.GTASK_JSON_TYPE_TASK);
if (getNotes() != null) { // 如果有备注信息，设置备注信息
if (getNotes()!= null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
} }
// 将任务实体信息添加到表示动作的JSONObject中
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// parent_id // 设置父任务的ID
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
// 设置目标父类型为组类型
// dest_parent_type
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// 设置列表ID为父任务的Gid
// list_id
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
// 如果有前一个兄弟任务，设置其ID
// prior_sibling_id if (mPriorSibling!= null) {
if (mPriorSibling != null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid()); js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
} }
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("fail to generate task-create jsonobject"); throw new ActionFailureException("fail to generate task - create jsonobject");
} }
return js; return js;
} }
// 根据给定的actionId创建一个用于表示更新任务动作的JSONObject
public JSONObject getUpdateAction(int actionId) { public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置动作类型为更新任务
js.put(GTaskStringUtils.GTASK_JSON_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ID
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务的Gid（唯一标识符）
// id
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// entity_delta // 创建表示任务实体信息的JSONObject
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
// 设置任务名称
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
if (getNotes() != null) { // 如果有备注信息，设置备注信息
if (getNotes()!= null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
} }
// 设置任务是否被删除的标志
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
// 将任务实体信息添加到表示动作的JSONObject中
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("fail to generate task-update jsonobject"); throw new ActionFailureException("fail to generate task - update jsonobject");
} }
return js; return js;
} }
// 根据远程的JSONObject设置任务内容
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
if (js != null) { if (js!= null) {
try { try {
// id // 如果JSONObject包含任务的Gid，设置任务的Gid
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
} }
// 如果包含最后修改时间，设置最后修改时间
// last_modified
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
} }
// 如果包含任务名称，设置任务名称
// name
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
} }
// 如果包含备注信息，设置备注信息
// notes
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) { if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES)); setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
} }
// 如果包含任务是否被删除的标志，设置该标志
// deleted
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) { if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED)); setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
} }
// 如果包含任务是否完成的标志，设置该标志
// completed
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) { if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED)); setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
} }
@ -175,21 +170,23 @@ public class Task extends Node {
} }
} }
// 根据本地的JSONObject设置任务内容
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) if (js == null ||!js.has(GTaskStringUtils.META_HEAD_NOTE)
|| !js.has(GTaskStringUtils.META_HEAD_DATA)) { ||!js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
} }
try { try {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) { // 如果笔记类型不是Notes.TYPE_NOTE，打印错误日志并返回
if (note.getInt(NoteColumns.TYPE)!= Notes.TYPE_NOTE) {
Log.e(TAG, "invalid type"); Log.e(TAG, "invalid type");
return; return;
} }
// 遍历数据数组，找到类型为NOTE的数据，设置任务名称
for (int i = 0; i < dataArray.length(); i++) { for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i); JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
@ -197,23 +194,22 @@ public class Task extends Node {
break; break;
} }
} }
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
} }
} }
// 根据任务内容生成一个本地的JSONObject
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
String name = getName(); String name = getName();
try { try {
if (mMetaInfo == null) { if (mMetaInfo == null) {
// new task created from web // 如果是从网络创建的新任务
if (name == null) { if (name == null) {
Log.w(TAG, "the note seems to be an empty one"); Log.w(TAG, "the note seems to be an empty one");
return null; return null;
} }
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
JSONObject note = new JSONObject(); JSONObject note = new JSONObject();
JSONArray dataArray = new JSONArray(); JSONArray dataArray = new JSONArray();
@ -225,7 +221,7 @@ public class Task extends Node {
js.put(GTaskStringUtils.META_HEAD_NOTE, note); js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js; return js;
} else { } else {
// synced task // 如果是已同步的任务
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
@ -247,8 +243,9 @@ public class Task extends Node {
} }
} }
// 设置任务的元信息
public void setMetaInfo(MetaData metaData) { public void setMetaInfo(MetaData metaData) {
if (metaData != null && metaData.getNotes() != null) { if (metaData!= null && metaData.getNotes()!= null) {
try { try {
mMetaInfo = new JSONObject(metaData.getNotes()); mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) { } catch (JSONException e) {
@ -258,10 +255,11 @@ public class Task extends Node {
} }
} }
// 根据给定的游标（Cursor）确定同步动作类型
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
try { try {
JSONObject noteInfo = null; JSONObject noteInfo = null;
if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) { if (mMetaInfo!= null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
} }
@ -275,29 +273,29 @@ public class Task extends Node {
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
// validate the note id now // 验证笔记ID是否匹配
if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { if (c.getLong(SqlNote.ID_COLUMN)!= noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match"); Log.w(TAG, "note id doesn't match");
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update // 如果本地没有更新
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side // 两边都没有更新
return SYNC_ACTION_NONE; return SYNC_ACTION_NONE;
} else { } else {
// apply remote to local // 将远程更新应用到本地
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
} else { } else {
// validate gtask id // 验证gtask ID是否匹配
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match"); Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only // 只有本地修改
return SYNC_ACTION_UPDATE_REMOTE; return SYNC_ACTION_UPDATE_REMOTE;
} else { } else {
return SYNC_ACTION_UPDATE_CONFLICT; return SYNC_ACTION_UPDATE_CONFLICT;
@ -311,41 +309,49 @@ public class Task extends Node {
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
// 判断任务是否值得保存（有元信息或者有名称或者有备注信息）
public boolean isWorthSaving() { public boolean isWorthSaving() {
return mMetaInfo != null || (getName() != null && getName().trim().length() > 0) return mMetaInfo!= null || (getName()!= null && getName().trim().length() > 0)
|| (getNotes() != null && getNotes().trim().length() > 0); || (getNotes()!= null && getNotes().trim().length() > 0);
} }
// 设置任务是否完成
public void setCompleted(boolean completed) { public void setCompleted(boolean completed) {
this.mCompleted = completed; this.mCompleted = completed;
} }
// 设置任务的备注信息
public void setNotes(String notes) { public void setNotes(String notes) {
this.mNotes = notes; this.mNotes = notes;
} }
// 设置任务的前一个兄弟任务
public void setPriorSibling(Task priorSibling) { public void setPriorSibling(Task priorSibling) {
this.mPriorSibling = priorSibling; this.mPriorSibling = priorSibling;
} }
// 设置任务的父任务
public void setParent(TaskList parent) { public void setParent(TaskList parent) {
this.mParent = parent; this.mParent = parent;
} }
// 获取任务是否完成的标志
public boolean getCompleted() { public boolean getCompleted() {
return this.mCompleted; return this.mCompleted;
} }
// 获取任务的备注信息
public String getNotes() { public String getNotes() {
return this.mNotes; return this.mNotes;
} }
// 获取任务的前一个兄弟任务
public Task getPriorSibling() { public Task getPriorSibling() {
return this.mPriorSibling; return this.mPriorSibling;
} }
// 获取任务的父任务
public TaskList getParent() { public TaskList getParent() {
return this.mParent; return this.mParent;
} }
}
}

398
src/Notes-master/src/net/micode/notes/gtask/data/TaskList.java
Unescape View File

@ -13,143 +13,186 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.data; package net.micode.notes.gtask.data;
import android.database.Cursor; import android.database.Cursor;
import android.text.TextUtils;
import android.util.Log; import android.util.Log;
import net.micode.notes.data.Notes; 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.Notes.NoteColumns;
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException;
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils;
import org.json.JSONArray;
import org.json.JSONException; import org.json.JSONException;
import org.json.JSONObject; import org.json.JSONObject;
import java.util.ArrayList; // Task类，表示一个任务，继承自Node类
public class Task extends Node {
private static final String TAG = Task.class.getSimpleName();
public class TaskList extends Node {
private static final String TAG = TaskList.class.getSimpleName(); // 任务是否完成的标志
private boolean mCompleted;
private int mIndex; // 任务的备注信息
private String mNotes;
private ArrayList<Task> mChildren; // 任务的元信息，以JSONObject形式存储
private JSONObject mMetaInfo;
public TaskList() { // 任务的前一个兄弟任务
private Task mPriorSibling;
// 任务的父任务（以TaskList形式）
private TaskList mParent;
// 构造函数，初始化任务对象的默认属性
public Task() {
super(); super();
mChildren = new ArrayList<Task>(); mCompleted = false;
mIndex = 1; mNotes = null;
mPriorSibling = null;
mParent = null;
mMetaInfo = null;
} }
// 根据给定的actionId创建一个用于表示创建任务动作的JSONObject
public JSONObject getCreateAction(int actionId) { public JSONObject getCreateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置动作类型为创建任务
js.put(GTaskStringUtils.GTASK_JSON_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ID
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务在父任务中的索引
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this));
// index // 创建表示任务实体信息的JSONObject
js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex);
// entity_delta
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
// 设置任务名称
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
// 设置创建者ID（这里为null）
entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null");
// 设置实体类型为任务类型
entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP); GTaskStringUtils.GTASK_JSON_TYPE_TASK);
// 如果有备注信息，设置备注信息
if (getNotes()!= null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
}
// 将任务实体信息添加到表示动作的JSONObject中
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
// 设置父任务的ID
js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid());
// 设置目标父类型为组类型
js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE,
GTaskStringUtils.GTASK_JSON_TYPE_GROUP);
// 设置列表ID为父任务的Gid
js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid());
// 如果有前一个兄弟任务，设置其ID
if (mPriorSibling!= null) {
js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid());
}
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("fail to generate tasklist-create jsonobject"); throw new ActionFailureException("fail to generate task - create jsonobject");
} }
return js; return js;
} }
// 根据给定的actionId创建一个用于表示更新任务动作的JSONObject
public JSONObject getUpdateAction(int actionId) { public JSONObject getUpdateAction(int actionId) {
JSONObject js = new JSONObject(); JSONObject js = new JSONObject();
try { try {
// action_type // 设置动作类型为更新任务
js.put(GTaskStringUtils.GTASK_JSON_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ID
// action_id
js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId);
// 设置任务的Gid（唯一标识符）
// id
js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); js.put(GTaskStringUtils.GTASK_JSON_ID, getGid());
// entity_delta // 创建表示任务实体信息的JSONObject
JSONObject entity = new JSONObject(); JSONObject entity = new JSONObject();
// 设置任务名称
entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName());
// 如果有备注信息，设置备注信息
if (getNotes()!= null) {
entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes());
}
// 设置任务是否被删除的标志
entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted());
// 将任务实体信息添加到表示动作的JSONObject中
js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity);
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("fail to generate tasklist-update jsonobject"); throw new ActionFailureException("fail to generate task - update jsonobject");
} }
return js; return js;
} }
// 根据远程的JSONObject设置任务内容
public void setContentByRemoteJSON(JSONObject js) { public void setContentByRemoteJSON(JSONObject js) {
if (js != null) { if (js!= null) {
try { try {
// id // 如果JSONObject包含任务的Gid，设置任务的Gid
if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { if (js.has(GTaskStringUtils.GTASK_JSON_ID)) {
setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID));
} }
// 如果包含最后修改时间，设置最后修改时间
// last_modified
if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) {
setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED));
} }
// 如果包含任务名称，设置任务名称
// name
if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) {
setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME));
} }
// 如果包含备注信息，设置备注信息
if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) {
setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES));
}
// 如果包含任务是否被删除的标志，设置该标志
if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) {
setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED));
}
// 如果包含任务是否完成的标志，设置该标志
if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) {
setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED));
}
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("fail to get tasklist content from jsonobject"); throw new ActionFailureException("fail to get task content from jsonobject");
} }
} }
} }
// 根据本地的JSONObject设置任务内容
public void setContentByLocalJSON(JSONObject js) { public void setContentByLocalJSON(JSONObject js) {
if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) { if (js == null ||!js.has(GTaskStringUtils.META_HEAD_NOTE)
||!js.has(GTaskStringUtils.META_HEAD_DATA)) {
Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); Log.w(TAG, "setContentByLocalJSON: nothing is avaiable");
} }
try { try {
JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) {
String name = folder.getString(NoteColumns.SNIPPET); // 如果笔记类型不是Notes.TYPE_NOTE，打印错误日志并返回
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name); if (note.getInt(NoteColumns.TYPE)!= Notes.TYPE_NOTE) {
} else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { Log.e(TAG, "invalid type");
if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) return;
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT); }
else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER)
setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX // 遍历数据数组，找到类型为NOTE的数据，设置任务名称
+ GTaskStringUtils.FOLDER_CALL_NOTE); for (int i = 0; i < dataArray.length(); i++) {
else JSONObject data = dataArray.getJSONObject(i);
Log.e(TAG, "invalid system folder"); if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
} else { setName(data.getString(DataColumns.CONTENT));
Log.e(TAG, "error type"); break;
}
} }
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
@ -157,25 +200,42 @@ public class TaskList extends Node {
} }
} }
// 根据任务内容生成一个本地的JSONObject
public JSONObject getLocalJSONFromContent() { public JSONObject getLocalJSONFromContent() {
String name = getName();
try { try {
JSONObject js = new JSONObject(); if (mMetaInfo == null) {
JSONObject folder = new JSONObject(); // 如果是从网络创建的新任务
if (name == null) {
String folderName = getName(); Log.w(TAG, "the note seems to be an empty one");
if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) return null;
folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(), }
folderName.length()); JSONObject js = new JSONObject();
folder.put(NoteColumns.SNIPPET, folderName); JSONObject note = new JSONObject();
if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) JSONArray dataArray = new JSONArray();
|| folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) JSONObject data = new JSONObject();
folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); data.put(DataColumns.CONTENT, name);
else dataArray.put(data);
folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); js.put(GTaskStringUtils.META_HEAD_DATA, dataArray);
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
js.put(GTaskStringUtils.META_HEAD_NOTE, folder); js.put(GTaskStringUtils.META_HEAD_NOTE, note);
return js;
return js; } else {
// 如果是已同步的任务
JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
for (int i = 0; i < dataArray.length(); i++) {
JSONObject data = dataArray.getJSONObject(i);
if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) {
data.put(DataColumns.CONTENT, getName());
break;
}
}
note.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
return mMetaInfo;
}
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
@ -183,29 +243,62 @@ public class TaskList extends Node {
} }
} }
// 设置任务的元信息
public void setMetaInfo(MetaData metaData) {
if (metaData!= null && metaData.getNotes()!= null) {
try {
mMetaInfo = new JSONObject(metaData.getNotes());
} catch (JSONException e) {
Log.w(TAG, e.toString());
mMetaInfo = null;
}
}
}
// 根据给定的游标（Cursor）确定同步动作类型
public int getSyncAction(Cursor c) { public int getSyncAction(Cursor c) {
try { try {
JSONObject noteInfo = null;
if (mMetaInfo!= null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) {
noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
}
if (noteInfo == null) {
Log.w(TAG, "it seems that note meta has been deleted");
return SYNC_ACTION_UPDATE_REMOTE;
}
if (!noteInfo.has(NoteColumns.ID)) {
Log.w(TAG, "remote note id seems to be deleted");
return SYNC_ACTION_UPDATE_LOCAL;
}
// 验证笔记ID是否匹配
if (c.getLong(SqlNote.ID_COLUMN)!= noteInfo.getLong(NoteColumns.ID)) {
Log.w(TAG, "note id doesn't match");
return SYNC_ACTION_UPDATE_LOCAL;
}
if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) {
// there is no local update // 如果本地没有更新
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// no update both side // 两边都没有更新
return SYNC_ACTION_NONE; return SYNC_ACTION_NONE;
} else { } else {
// apply remote to local // 将远程更新应用到本地
return SYNC_ACTION_UPDATE_LOCAL; return SYNC_ACTION_UPDATE_LOCAL;
} }
} else { } else {
// validate gtask id // 验证gtask ID是否匹配
if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) {
Log.e(TAG, "gtask id doesn't match"); Log.e(TAG, "gtask id doesn't match");
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) {
// local modification only // 只有本地修改
return SYNC_ACTION_UPDATE_REMOTE; return SYNC_ACTION_UPDATE_REMOTE;
} else { } else {
// for folder conflicts, just apply local modification return SYNC_ACTION_UPDATE_CONFLICT;
return SYNC_ACTION_UPDATE_REMOTE;
} }
} }
} catch (Exception e) { } catch (Exception e) {
@ -216,128 +309,49 @@ public class TaskList extends Node {
return SYNC_ACTION_ERROR; return SYNC_ACTION_ERROR;
} }
public int getChildTaskCount() { // 判断任务是否值得保存（有元信息或者有名称或者有备注信息）
return mChildren.size(); public boolean isWorthSaving() {
} return mMetaInfo!= null || (getName()!= null && getName().trim().length() > 0)
|| (getNotes()!= null && getNotes().trim().length() > 0);
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);
}
return true;
} }
public boolean removeChildTask(Task task) { // 设置任务是否完成
boolean ret = false; public void setCompleted(boolean completed) {
int index = mChildren.indexOf(task); this.mCompleted = completed;
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;
} }
public boolean moveChildTask(Task task, int index) { // 设置任务的备注信息
public void setNotes(String notes) {
if (index < 0 || index >= mChildren.size()) { this.mNotes = notes;
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));
} }
public Task findChildTaskByGid(String gid) { // 设置任务的前一个兄弟任务
for (int i = 0; i < mChildren.size(); i++) { public void setPriorSibling(Task priorSibling) {
Task t = mChildren.get(i); this.mPriorSibling = priorSibling;
if (t.getGid().equals(gid)) {
return t;
}
}
return null;
} }
public int getChildTaskIndex(Task task) { // 设置任务的父任务
return mChildren.indexOf(task); public void setParent(TaskList parent) {
this.mParent = parent;
} }
public Task getChildTaskByIndex(int index) { // 获取任务是否完成的标志
if (index < 0 || index >= mChildren.size()) { public boolean getCompleted() {
Log.e(TAG, "getTaskByIndex: invalid index"); return this.mCompleted;
return null;
}
return mChildren.get(index);
}
public Task getChilTaskByGid(String gid) {
for (Task task : mChildren) {
if (task.getGid().equals(gid))
return task;
}
return null;
} }
public ArrayList<Task> getChildTaskList() { // 获取任务的备注信息
return this.mChildren; public String getNotes() {
return this.mNotes;
} }
public void setIndex(int index) { // 获取任务的前一个兄弟任务
this.mIndex = index; public Task getPriorSibling() {
return this.mPriorSibling;
} }
public int getIndex() { // 获取任务的父任务
return this.mIndex; public TaskList getParent() {
return this.mParent;
} }
} }
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