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Delete 'src/DataUtils.java'

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周辉
p2cafumxo 7 months ago
parent de208c4e0a
commit 5123c536a1
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src/DataUtils.java
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/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.micode.notes.tool;
import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
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.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.util.ArrayList;
import java.util.HashSet;
public class DataUtils {
public static final String TAG = "DataUtils";
/**
* 批量删除笔记
*
* @param resolver 内容解析器
* @param ids 要删除的笔记ID集合
* @return 如果删除成功或集合为空或为null，则返回true，否则返回false
*/
public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
if (ids.size() == 0) {
Log.d(TAG, "no id is in the hashset");
return true;
}
// 构建删除操作的列表
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
if (id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
}
ContentProviderOperation.Builder builder = ContentProviderOperation
.newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
operationList.add(builder.build());
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
// 检查删除结果
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
}
/**
* 将笔记移动到指定文件夹
*
* @param resolver 内容解析器
* @param id 笔记ID
* @param srcFolderId 原始文件夹ID
* @param desFolderId 目标文件夹ID
*/
public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
ContentValues values = new ContentValues();
values.put(NoteColumns.PARENT_ID, desFolderId);
values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId);
values.put(NoteColumns.LOCAL_MODIFIED, 1);
resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null);
}
/**
* 批量将笔记移动到指定文件夹
*
* @param resolver 内容解析器
* @param ids 要移动的笔记ID集合
* @param folderId 目标文件夹ID
* @return 如果移动成功或集合为空或为null，则返回true，否则返回false
*/
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
// 构建更新操作的列表
ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
for (long id : ids) {
ContentProviderOperation.Builder builder = ContentProviderOperation
.newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
builder.withValue(NoteColumns.PARENT_ID, folderId);
builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
operationList.add(builder.build());
}
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
// 检查移动结果
if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "move notes failed, ids:" + ids.toString());
return false;
}
return true;
} catch (RemoteException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
} catch (OperationApplicationException e) {
Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
}
return false;
}
/**
* 获取除系统文件夹外的所有用户文件夹数量
*
* @param resolver 内容解析器
* @return 用户文件夹数量
*/
public static int getUserFolderCount(ContentResolver resolver) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String[]{"COUNT(*)"},
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
null);
int count = 0;
if (cursor != null) {
if (cursor.moveToFirst()) {
try {
count = cursor.getInt(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "get folder count failed:" + e.toString());
} finally {
cursor.close();
}
}
}
return count;
}
/**
* 检查指定类型的笔记在数据库中是否可见
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @param type 笔记类型
* @return 如果可见，则返回true，否则返回false
*/
public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String[]{String.valueOf(type)},
null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 检查指定的笔记ID在数据库中是否存在
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @return 如果存在，则返回true，否则返回false
*/
public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
null, null, null, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 检查指定的数据ID在数据库中是否存在
*
* @param resolver 内容解析器
* @param dataId 数据ID
* @return 如果存在，则返回true，否则返回false
*/
public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
null, null, null, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 检查文件夹名称是否在数据库中已存在（不包括系统文件夹）
*
* @param resolver 内容解析器
* @param name 文件夹名称
* @return 如果已存在，则返回true，否则返回false
*/
public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
" AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
" AND " + NoteColumns.SNIPPET + "=?",
new String[]{name}, null);
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
/**
* 获取指定文件夹中的笔记小部件信息集合
*
* @param resolver 内容解析器
* @param folderId 文件夹ID
* @return 笔记小部件信息集合
*/
public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE},
NoteColumns.PARENT_ID + "=?",
new String[]{String.valueOf(folderId)},
null);
HashSet<AppWidgetAttribute> set = null;
if (c != null) {
if (c.moveToFirst()) {
set = new HashSet<AppWidgetAttribute>();
do {
try {
AppWidgetAttribute widget = new AppWidgetAttribute();
widget.widgetId = c.getInt(0);
widget.widgetType = c.getInt(1);
set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
}
} while (c.moveToNext());
}
c.close();
}
return set;
}
/**
* 通过笔记ID获取关联的通话号码
*
* @param resolver 内容解析器
* @param noteId 笔记ID
* @return 通话号码，如果未找到则返回空字符串
*/
public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
new String[]{CallNote.PHONE_NUMBER},
CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE},
null);
if (cursor != null && cursor.moveToFirst()) {
try {
return cursor.getString(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call number fails " + e.toString());
} finally {
cursor.close();
}
}
return "";
}
/**
* 根据电话号码和通话日期获取对应的笔记ID
*
* @param resolver 内容解析器
* @param phoneNumber 电话号码
* @param callDate 通话日期
* @return 笔记ID，未找到则返回0
*/
public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
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 {
return cursor.getLong(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call note id fails " + e.toString());
}
}
cursor.close();
}
return 0;
}
/**
* 根据笔记ID从数据库中获取笔记的摘要。
*
* @param resolver 内容解析器，用于查询数据库。
* @param noteId 笔记的ID，用于定位特定的笔记。
* @return 笔记的摘要字符串。如果找不到对应的笔记，将抛出IllegalArgumentException。
*/
public static String getSnippetById(ContentResolver resolver, long noteId) {
// 使用内容解析器查询特定ID的笔记的摘要
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 = "";
// 如果查询结果不为空，尝试获取摘要
if (cursor.moveToFirst()) {
snippet = cursor.getString(0);
}
// 关闭游标
cursor.close();
return snippet;
}
// 如果找不到指定ID的笔记，抛出异常
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
/**
* 格式化摘要字符串。
* 主要用于去除字符串两端的空白字符，以及截取至第一个换行符之前的内容。
*
* @param snippet 需要格式化的摘要字符串。
* @return 格式化后的摘要字符串。
*/
public static String getFormattedSnippet(String snippet) {
// 如果摘要字符串不为空，进行格式化处理
if (snippet != null) {
snippet = snippet.trim(); // 去除两端的空白字符
int index = snippet.indexOf('\n'); // 查找第一个换行符的位置
if (index != -1) {
snippet = snippet.substring(0, index); // 截取至第一个换行符之前
}
}
return snippet;
}
}
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