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@ -0,0 +1,450 @@
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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.tool;
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import android.content.ContentProviderOperation;
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import android.content.ContentProviderResult;
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import android.content.ContentResolver;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.OperationApplicationException;
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import android.database.Cursor;
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import android.os.RemoteException;
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import android.util.Log;
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import net.micode.notes.data.Notes;
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import net.micode.notes.data.Notes.CallNote;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
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import java.util.ArrayList;
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import java.util.HashSet;
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/**
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* 该类提供了一系列用于操作笔记数据的工具方法,
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* 涵盖了批量删除、移动笔记、查询文件夹和笔记信息等功能。
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*/
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public class DataUtils {
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// 日志标签,方便在日志中识别与该类相关的信息
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public static final String TAG = "DataUtils";
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/**
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* 批量删除指定ID集合中的笔记
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*
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* @param resolver 内容解析器,用于与内容提供者交互
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* @param ids 要删除的笔记ID集合
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* @return 删除操作是否成功,若集合为空或操作成功返回true,失败返回false
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*/
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public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
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// 若传入的ID集合为null,打印日志并返回true
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if (ids == null) {
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Log.d(TAG, "the ids is null");
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return true;
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}
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// 若ID集合为空,打印日志并返回true
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if (ids.size() == 0) {
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Log.d(TAG, "no id is in the hashset");
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return true;
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}
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// 用于存储批量操作的列表
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ArrayList<ContentProviderOperation> operationList = new ArrayList<>();
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// 遍历ID集合
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for (long id : ids) {
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// 若ID为根文件夹ID,打印错误日志并跳过此次循环
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if (id == Notes.ID_ROOT_FOLDER) {
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Log.e(TAG, "Don't delete system folder root");
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continue;
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}
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// 创建一个删除操作的构建器
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ContentProviderOperation.Builder builder = ContentProviderOperation
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.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
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// 将构建好的操作添加到操作列表中
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operationList.add(builder.build());
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}
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try {
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// 批量执行操作
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ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
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// 若操作结果为空或长度为0或第一个结果为空,打印日志并返回false
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if (results == null || results.length == 0 || results[0] == null) {
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Log.d(TAG, "delete notes failed, ids:" + ids.toString());
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return false;
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}
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return true;
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} catch (RemoteException e) {
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// 处理远程异常,打印错误日志
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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} catch (OperationApplicationException e) {
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// 处理操作应用异常,打印错误日志
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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}
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return false;
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}
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/**
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* 将指定ID的笔记移动到目标文件夹
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*
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* @param resolver 内容解析器
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* @param id 要移动的笔记ID
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* @param srcFolderId 笔记当前所在的文件夹ID
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* @param desFolderId 目标文件夹ID
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*/
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public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
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// 用于存储要更新的键值对
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ContentValues values = new ContentValues();
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// 设置笔记的父文件夹ID为目标文件夹ID
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values.put(NoteColumns.PARENT_ID, desFolderId);
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// 设置笔记的原始父文件夹ID为源文件夹ID
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values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
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// 标记笔记为本地修改
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values.put(NoteColumns.LOCAL_MODIFIED, 1);
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// 执行更新操作
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resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
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}
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/**
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* 批量将指定ID集合中的笔记移动到目标文件夹
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*
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* @param resolver 内容解析器
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* @param ids 要移动的笔记ID集合
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* @param folderId 目标文件夹ID
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* @return 移动操作是否成功
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*/
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public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids, long folderId) {
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// 若传入的ID集合为null,打印日志并返回true
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if (ids == null) {
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Log.d(TAG, "the ids is null");
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return true;
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}
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// 用于存储批量操作的列表
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ArrayList<ContentProviderOperation> operationList = new ArrayList<>();
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// 遍历ID集合
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for (long id : ids) {
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// 创建一个更新操作的构建器
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ContentProviderOperation.Builder builder = ContentProviderOperation
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.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
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// 设置笔记的父文件夹ID为目标文件夹ID
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builder.withValue(NoteColumns.PARENT_ID, folderId);
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// 标记笔记为本地修改
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builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
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// 将构建好的操作添加到操作列表中
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operationList.add(builder.build());
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}
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try {
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// 批量执行操作
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ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
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// 若操作结果为空或长度为0或第一个结果为空,打印日志并返回false
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if (results == null || results.length == 0 || results[0] == null) {
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Log.d(TAG, "delete notes failed, ids:" + ids.toString());
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return false;
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}
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return true;
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} catch (RemoteException e) {
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// 处理远程异常,打印错误日志
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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} catch (OperationApplicationException e) {
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// 处理操作应用异常,打印错误日志
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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}
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return false;
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}
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/**
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* 获取用户创建的文件夹数量(排除系统文件夹)
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*
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* @param resolver 内容解析器
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* @return 用户文件夹的数量
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*/
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public static int getUserFolderCount(ContentResolver resolver) {
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// 查询用户文件夹的数量
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Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
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new String[]{"COUNT(*)"},
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NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
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new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
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null);
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int count = 0;
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if (cursor != null) {
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if (cursor.moveToFirst()) {
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try {
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// 获取查询结果中的计数
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count = cursor.getInt(0);
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} catch (IndexOutOfBoundsException e) {
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// 处理索引越界异常,打印错误日志
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Log.e(TAG, "get folder count failed:" + e.toString());
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} finally {
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// 关闭游标
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cursor.close();
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}
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}
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}
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return count;
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}
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/**
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* 检查指定笔记是否在数据库中可见
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*
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* @param resolver 内容解析器
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* @param noteId 笔记ID
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* @param type 笔记类型
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* @return 笔记是否可见
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*/
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public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
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// 查询指定笔记是否存在且不在回收站
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Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
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null,
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NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
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new String[]{String.valueOf(type)},
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null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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// 关闭游标
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cursor.close();
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}
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return exist;
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}
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/**
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* 检查指定笔记是否存在于数据库中
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*
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* @param resolver 内容解析器
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* @param noteId 笔记ID
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* @return 笔记是否存在
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*/
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public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
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// 查询指定笔记是否存在
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Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
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null, null, null, null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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// 关闭游标
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cursor.close();
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}
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return exist;
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}
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/**
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* 检查指定数据是否存在于数据库中
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*
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* @param resolver 内容解析器
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* @param dataId 数据ID
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* @return 数据是否存在
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*/
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public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
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// 查询指定数据是否存在
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Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
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null, null, null, null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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// 关闭游标
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cursor.close();
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}
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return exist;
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}
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/**
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* 检查指定名称的可见文件夹是否存在于数据库中
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*
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* @param resolver 内容解析器
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* @param name 文件夹名称
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* @return 文件夹是否存在
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*/
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public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
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// 查询指定名称的可见文件夹是否存在
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Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
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NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
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" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
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" AND " + NoteColumns.SNIPPET + "=?",
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new String[]{name}, null);
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boolean exist = false;
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if (cursor != null) {
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if (cursor.getCount() > 0) {
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exist = true;
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}
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// 关闭游标
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cursor.close();
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}
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return exist;
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}
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/**
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* 获取指定文件夹下的笔记小部件属性集合
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*
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* @param resolver 内容解析器
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* @param folderId 文件夹ID
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* @return 笔记小部件属性集合
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*/
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public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
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// 查询指定文件夹下的笔记小部件信息
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Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
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new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE},
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NoteColumns.PARENT_ID + "=?",
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new String[]{String.valueOf(folderId)},
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null);
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HashSet<AppWidgetAttribute> set = null;
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if (c != null) {
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if (c.moveToFirst()) {
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set = new HashSet<>();
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do {
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try {
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// 创建小部件属性对象
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AppWidgetAttribute widget = new AppWidgetAttribute();
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// 设置小部件ID
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widget.widgetId = c.getInt(0);
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// 设置小部件类型
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widget.widgetType = c.getInt(1);
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// 将小部件属性添加到集合中
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set.add(widget);
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} catch (IndexOutOfBoundsException e) {
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// 处理索引越界异常,打印错误日志
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Log.e(TAG, e.toString());
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}
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} while (c.moveToNext());
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}
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|
|
// 关闭游标
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c.close();
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}
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return set;
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|
|
}
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|
|
/**
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|
* 根据笔记ID获取通话号码
|
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|
|
*
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|
|
* @param resolver 内容解析器
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|
|
* @param noteId 笔记ID
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|
|
* @return 通话号码,如果未找到则返回空字符串
|
|
|
|
|
*/
|
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|
|
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
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|
|
// 查询指定笔记ID对应的通话号码
|
|
|
|
|
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
|
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|
|
new String[]{CallNote.PHONE_NUMBER},
|
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|
|
|
CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
|
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|
|
new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE},
|
|
|
|
|
null);
|
|
|
|
|
|
|
|
|
|
if (cursor != null && cursor.moveToFirst()) {
|
|
|
|
|
try {
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|
|
|
// 获取通话号码
|
|
|
|
|
return cursor.getString(0);
|
|
|
|
|
} catch (IndexOutOfBoundsException e) {
|
|
|
|
|
// 处理索引越界异常,打印错误日志
|
|
|
|
|
Log.e(TAG, "Get call number fails " + e.toString());
|
|
|
|
|
} finally {
|
|
|
|
|
// 关闭游标
|
|
|
|
|
cursor.close();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return "";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 根据电话号码和通话日期获取笔记ID
|
|
|
|
|
*
|
|
|
|
|
* @param resolver 内容解析器
|
|
|
|
|
* @param phoneNumber 电话号码
|
|
|
|
|
* @param callDate 通话日期
|
|
|
|
|
* @return 笔记ID,如果未找到则返回0
|
|
|
|
|
*/
|
|
|
|
|
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
|
|
|
|
|
// 查询指定电话号码和通话日期对应的笔记ID
|
|
|
|
|
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
|
|
|
|
|
new String[]{CallNote.NOTE_ID},
|
|
|
|
|
CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
|
|
|
|
|
+ CallNote.PHONE_NUMBER + ",?)",
|
|
|
|
|
new String[]{String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber},
|
|
|
|
|
null);
|
|
|
|
|
|
|
|
|
|
if (cursor != null) {
|
|
|
|
|
if (cursor.moveToFirst()) {
|
|
|
|
|
try {
|
|
|
|
|
// 获取笔记ID
|
|
|
|
|
return cursor.getLong(0);
|
|
|
|
|
} catch (IndexOutOfBoundsException e) {
|
|
|
|
|
// 处理索引越界异常,打印错误日志
|
|
|
|
|
Log.e(TAG, "Get call note id fails " + e.toString());
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
// 关闭游标
|
|
|
|
|
cursor.close();
|
|
|
|
|
}
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 根据笔记ID获取笔记摘要
|
|
|
|
|
*
|
|
|
|
|
* @param resolver 内容解析器
|
|
|
|
|
* @param noteId 笔记ID
|
|
|
|
|
* @return 笔记摘要,如果未找到则抛出异常
|
|
|
|
|
*/
|
|
|
|
|
public static String getSnippetById(ContentResolver resolver, long noteId) {
|
|
|
|
|
// 查询指定笔记ID对应的摘要
|
|
|
|
|
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
|
|
|
|
|
new String[]{NoteColumns.SNIPPET},
|
|
|
|
|
NoteColumns.ID + "=?",
|
|
|
|
|
new String[]{String.valueOf(noteId)},
|
|
|
|
|
null);
|
|
|
|
|
|
|
|
|
|
if (cursor != null) {
|
|
|
|
|
String snippet = "";
|
|
|
|
|
if (cursor.moveToFirst()) {
|
|
|
|
|
// 获取笔记摘要
|
|
|
|
|
snippet = cursor.getString(0);
|
|
|
|
|
}
|
|
|
|
|
// 关闭游标
|
|
|
|
|
cursor.close();
|
|
|
|
|
return snippet;
|
|
|
|
|
}
|
|
|
|
|
// 若未找到笔记,抛出异常
|
|
|
|
|
throw new IllegalArgumentException("Note is not found with id: " + noteId);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 格式化笔记摘要,去除首尾空格并截取第一行
|
|
|
|
|
*
|
|
|
|
|
* @param snippet 原始笔记摘要
|
|
|
|
|
* @return 格式化后的笔记摘要
|
|
|
|
|
*/
|
|
|
|
|
public static String getFormattedSnippet(String snippet) {
|
|
|
|
|
if (snippet != null) {
|
|
|
|
|
// 去除首尾空格
|
|
|
|
|
snippet = snippet.trim();
|
|
|
|
|
// 查找换行符位置
|
|
|
|
|
int index = snippet.indexOf('\n');
|
|
|
|
|
if (index != -1) {
|
|
|
|
|
// 截取第一行
|
|
|
|
|
snippet = snippet.substring(0, index);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
return snippet;
|
|
|
|
|
}
|
|
|
|
|
}
|