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p4ocgtxi5 7 months ago
parent 497ba4f7a5
commit 03f1551b16
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src/Note_1.java
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// 包声明和导入必要的Android框架包以及项目特定的数据类
public class Note {
// 私有成员变量，用来保存笔记的修改值和数据内容
private ContentValues mNoteDiffValues;
private NoteData mNoteData;
// 日志标签，方便在日志中识别输出信息来源于哪个类
private static final String TAG = "Note";
/**
* 获取一个新的笔记ID，用于添加新的笔记到数据库。
* 该方法是静态同步的，确保同一时间只有一个线程可以获取新ID，以避免冲突。
*/
public static synchronized long getNewNoteId(Context context, long folderId) {
// 创建一个ContentValues实例，用于存储要插入数据库的笔记信息
ContentValues values = new ContentValues();
// 设置创建时间和修改时间为当前时间戳
long createdTime = System.currentTimeMillis();
values.put(NoteColumns.CREATED_DATE, createdTime);
values.put(NoteColumns.MODIFIED_DATE, createdTime);
// 设置笔记类型为普通笔记
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
// 标记为本地修改
values.put(NoteColumns.LOCAL_MODIFIED, 1);
// 设置父级文件夹ID
values.put(NoteColumns.PARENT_ID, folderId);
// 插入笔记记录并获取返回的URI
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
// 解析URI路径片段以获得新插入笔记的ID
=======
/*
* 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.model;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.OperationApplicationException;
import android.net.Uri;
import android.os.RemoteException;
import android.util.Log;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.data.Notes.TextNote;
import java.util.ArrayList;
public class Note {
private ContentValues mNoteDiffValues;
private NoteData mNoteData;
private static final String TAG = "Note";
/**
* Create a new note id for adding a new note to databases
*/
public static synchronized long getNewNoteId(Context context, long folderId) {
// Create a new note in the database
ContentValues values = new ContentValues();
long createdTime = System.currentTimeMillis();
values.put(NoteColumns.CREATED_DATE, createdTime);
values.put(NoteColumns.MODIFIED_DATE, createdTime);
values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
values.put(NoteColumns.PARENT_ID, folderId);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
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long noteId = 0;
try {
noteId = Long.valueOf(uri.getPathSegments().get(1));
} catch (NumberFormatException e) {
Log.e(TAG, "Get note id error :" + e.toString());
noteId = 0;
}
if (noteId == -1) {
throw new IllegalStateException("Wrong note id:" + noteId);
}
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return noteId; // 返回新创建的笔记ID
}
// 构造函数初始化成员变量
=======
return noteId;
}
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public Note() {
mNoteDiffValues = new ContentValues();
mNoteData = new NoteData();
}
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// 设置笔记属性值的方法
public void setNoteValue(String key, String value) {
// 更新或设置指定键对应的值，并标记为本地修改
=======
public void setNoteValue(String key, String value) {
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mNoteDiffValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
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// 设置文本数据的方法
=======
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public void setTextData(String key, String value) {
mNoteData.setTextData(key, value);
}
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// 设置文本数据ID的方法
=======
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public void setTextDataId(long id) {
mNoteData.setTextDataId(id);
}
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// 获取文本数据ID的方法
=======
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public long getTextDataId() {
return mNoteData.mTextDataId;
}
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// 设置通话记录数据ID的方法
=======
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public void setCallDataId(long id) {
mNoteData.setCallDataId(id);
}
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// 设置通话记录数据的方法
=======
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public void setCallData(String key, String value) {
mNoteData.setCallData(key, value);
}
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// 检查是否有本地修改过的数据
=======
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public boolean isLocalModified() {
return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
}
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/**
* 同步笔记到数据库的方法。
* 如果笔记ID无效则抛出异常；如果没有本地修改，则直接返回true。
* 尝试更新笔记记录，即使失败也会继续尝试更新数据部分。
*/
=======
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public boolean syncNote(Context context, long noteId) {
if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
}
if (!isLocalModified()) {
return true;
}
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// 更新笔记的基本信息
=======
/**
* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
* note data info
*/
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if (context.getContentResolver().update(
ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
null) == 0) {
Log.e(TAG, "Update note error, should not happen");
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// 即使更新失败也继续执行后续操作
}
mNoteDiffValues.clear(); // 清除已经同步的内容
// 同步额外的数据（如文本或通话记录）
=======
// Do not return, fall through
}
mNoteDiffValues.clear();
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if (mNoteData.isLocalModified()
&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
return false;
}
return true;
}
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// 内部类NoteData，用来处理与笔记关联的详细数据
private class NoteData {
// 成员变量，包括文本数据ID、通话记录数据ID及其对应的值集合
private long mTextDataId;
private ContentValues mTextDataValues;
private long mCallDataId;
private ContentValues mCallDataValues;
// 日志标签
private static final String TAG = "NoteData";
// 构造函数初始化成员变量
=======
private class NoteData {
private long mTextDataId;
private ContentValues mTextDataValues;
private long mCallDataId;
private ContentValues mCallDataValues;
private static final String TAG = "NoteData";
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public NoteData() {
mTextDataValues = new ContentValues();
mCallDataValues = new ContentValues();
mTextDataId = 0;
mCallDataId = 0;
}
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// 检查是否有本地修改过的数据
=======
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boolean isLocalModified() {
return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
}
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// 设置文本数据ID的方法
=======
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void setTextDataId(long id) {
if(id <= 0) {
throw new IllegalArgumentException("Text data id should larger than 0");
}
mTextDataId = id;
}
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// 设置通话记录数据ID的方法
=======
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void setCallDataId(long id) {
if (id <= 0) {
throw new IllegalArgumentException("Call data id should larger than 0");
}
mCallDataId = id;
}
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// 设置通话记录数据的方法
=======
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void setCallData(String key, String value) {
mCallDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
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// 设置文本数据的方法
=======
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void setTextData(String key, String value) {
mTextDataValues.put(key, value);
mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
}
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/**
* 将数据推送到ContentResolver，进行数据库更新或插入。
* 对于文本数据和通话记录数据，分别根据是否已有ID来决定是更新还是插入新记录。
*/
Uri pushIntoContentResolver(Context context, long noteId) {
// 参数校验
=======
Uri pushIntoContentResolver(Context context, long noteId) {
/**
* Check for safety
*/
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if (noteId <= 0) {
throw new IllegalArgumentException("Wrong note id:" + noteId);
}
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ArrayList<ContentProviderOperation> operationList = new ArrayList<>();
ContentProviderOperation.Builder builder = null;
// 处理文本数据
if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId);
if (mTextDataId == 0) {
// 插入新的文本数据记录
=======
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
ContentProviderOperation.Builder builder = null;
if(mTextDataValues.size() > 0) {
mTextDataValues.put(DataColumns.NOTE_ID, noteId);
if (mTextDataId == 0) {
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
mTextDataValues);
try {
setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
} catch (NumberFormatException e) {
Log.e(TAG, "Insert new text data fail with noteId" + noteId);
mTextDataValues.clear();
return null;
}
} else {
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// 更新现有的文本数据记录
=======
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mTextDataId));
builder.withValues(mTextDataValues);
operationList.add(builder.build());
}
mTextDataValues.clear();
}
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// 处理通话记录数据
if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId);
if (mCallDataId == 0) {
// 插入新的通话记录数据记录
=======
if(mCallDataValues.size() > 0) {
mCallDataValues.put(DataColumns.NOTE_ID, noteId);
if (mCallDataId == 0) {
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
mCallDataValues);
try {
setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
} catch (NumberFormatException e) {
Log.e(TAG, "Insert new call data fail with noteId" + noteId);
mCallDataValues.clear();
return null;
}
} else {
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// 更新现有的通话记录数据记录
=======
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
Notes.CONTENT_DATA_URI, mCallDataId));
builder.withValues(mCallDataValues);
operationList.add(builder.build());
}
mCallDataValues.clear();
}
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// 执行批量操作
=======
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
if (operationList.size() > 0) {
try {
ContentProviderResult[] results = context.getContentResolver().applyBatch(
Notes.AUTHORITY, operationList);
return (results == null || results.length == 0 || results[0] == null) ? null
: ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
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} catch (RemoteException | OperationApplicationException e) {
=======
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
return null;
} catch (OperationApplicationException e) {
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
return null;
}
}
return null;
}
}
<<<<<<< HEAD
}
=======
}
>>>>>>> 497ba4f7a5b11b52f3e9706151f1e2b13f56dc26
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