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Update DataUtils.java

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pwiz98tyo 2 months ago
parent 5039cd6b33
commit 75549c0b7b
1 changed files with 266 additions and 344 deletions
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java/net/micode/notes/tool/DataUtils.java
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@ -16,395 +16,317 @@
package net.micode.notes.tool;
import android.content.Context;
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.Build;
import android.os.Environment;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.os.RemoteException;
import android.util.Log;
import net.micode.notes.R;
import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns;
import net.micode.notes.data.Notes.DataConstants;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import java.util.HashSet;
public class BackupUtils {
private static final String TAG = "BackupUtils";
// Singleton stuff
private static BackupUtils sInstance;
public class DataUtils {
public static final String TAG = "DataUtils";
/**
* 批量删除笔记
*/
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;
}
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
sInstance = new BackupUtils(context);
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());
}
return sInstance;
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
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;
}
/**
* Following states are signs to represents backup or restore
* status
* 移动单个笔记到文件夹
*/
// Currently, the sdcard is not mounted
public static final int STATE_SD_CARD_UNMOUONTED = 0;
// The backup file not exist
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1;
// The data is not well formated, may be changed by other programs
public static final int STATE_DATA_DESTROIED = 2;
// Some run-time exception which causes restore or backup fails
public static final int STATE_SYSTEM_ERROR = 3;
// Backup or restore success
public static final int STATE_SUCCESS = 4;
// Permission denied
public static final int STATE_PERMISSION_DENIED = 5;
private TextExport mTextExport;
private BackupUtils(Context context) {
mTextExport = new TextExport(context);
}
private static boolean externalStorageAvailable() {
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState());
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);
}
public int exportToText() {
return mTextExport.exportToText();
}
/**
* 批量移动笔记到文件夹
*/
public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
long folderId) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
}
public String getExportedTextFileName() {
return mTextExport.mFileName;
}
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());
}
public String getExportedTextFileDir() {
return mTextExport.mFileDirectory;
try {
ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
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;
}
private static class TextExport {
private static final String[] NOTE_PROJECTION = {
NoteColumns.ID,
NoteColumns.MODIFIED_DATE,
NoteColumns.SNIPPET,
NoteColumns.TYPE,
NoteColumns.PARENT_ID
};
private static final int NOTE_COLUMN_ID = 0;
private static final int NOTE_COLUMN_MODIFIED_DATE = 1;
private static final int NOTE_COLUMN_SNIPPET = 2;
private static final int NOTE_COLUMN_TYPE = 3;
private static final int NOTE_COLUMN_PARENT_ID = 4;
private static final String[] DATA_PROJECTION = {
DataColumns.CONTENT,
DataColumns.MIME_TYPE,
DataColumns.DATA1,
DataColumns.DATA2,
DataColumns.DATA3,
DataColumns.DATA4,
};
private static final int DATA_COLUMN_CONTENT = 0;
private static final int DATA_COLUMN_MIME_TYPE = 1;
private static final int DATA_COLUMN_CALL_DATE = 2;
private static final int DATA_COLUMN_PHONE_NUMBER = 4;
private final String [] TEXT_FORMAT;
private static final int FORMAT_FOLDER_NAME = 0;
private static final int FORMAT_NOTE_DATE = 1;
private static final int FORMAT_NOTE_CONTENT = 2;
private Context mContext;
private String mFileName;
private String mFileDirectory;
private BufferedWriter mWriter;
private int mNotesCount;
private int mFoldersCount;
/**
* 获取用户文件夹数量（不包括系统文件夹）
*/
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);
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileDirectory = "";
mNotesCount = 0;
mFoldersCount = 0;
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;
}
private String getFormat(int id) {
return TEXT_FORMAT[id];
}
/**
* 检查笔记是否存在且可见（不在回收站）
*/
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);
/**
* Export notes to text file
*/
public int exportToText() {
if (!externalStorageAvailable()) {
Log.d(TAG, "Media was not mounted");
return STATE_SD_CARD_UNMOUONTED;
boolean exist = false;
if (cursor != null) {
if (cursor.getCount() > 0) {
exist = true;
}
cursor.close();
}
return exist;
}
File file = generateFileMountedOnSDcard(mContext, R.string.file_path,
R.string.file_name_txt_format);
if (file == null) {
Log.e(TAG, "create file to exported failed");
return STATE_SYSTEM_ERROR;
}
mFileName = file.getName();
mFileDirectory = mContext.getString(R.string.file_path);
// 使用try-with-resources确保资源释放
try (BufferedWriter writer = new BufferedWriter(
new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8))) {
mWriter = writer;
// 导出文件夹和笔记
exportFoldersAndNotes();
// 写入导出统计信息
writeExportSummary();
Log.d(TAG, "Export successful. Exported " + mFoldersCount + " folders and " + mNotesCount + " notes.");
return STATE_SUCCESS;
} catch (IOException e) {
Log.e(TAG, "Error during export: " + e.getMessage(), e);
return STATE_SYSTEM_ERROR;
/**
* 检查笔记是否存在于数据库中
*/
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();
}
/**
* 写入导出摘要信息
*/
private void writeExportSummary() throws IOException {
mWriter.write("\n");
mWriter.write("==============================\n");
mWriter.write(mContext.getString(R.string.export_summary) + "\n");
mWriter.write(mContext.getString(R.string.export_date) + ": "
+ DateFormat.format(mContext.getString(R.string.format_datetime_ymdhm), System.currentTimeMillis()) + "\n");
mWriter.write(mContext.getString(R.string.folder_count) + ": " + mFoldersCount + "\n");
mWriter.write(mContext.getString(R.string.note_count) + ": " + mNotesCount + "\n");
mWriter.write("==============================\n");
}
/**
* 导出所有文件夹和笔记
*/
private void exportFoldersAndNotes() throws IOException {
// 首先导出文件夹和其中的笔记
exportFolders();
// 导出根文件夹中的笔记
exportRootNotes();
}
/**
* 导出所有文件夹
*/
private void exportFolders() throws IOException {
// 查询所有文件夹
String selection = "(" + NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER + " AND "
+ NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + ") OR "
+ NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER;
try (Cursor folderCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
selection, null, null)) {
if (folderCursor != null && folderCursor.moveToFirst()) {
do {
mFoldersCount++;
exportFolder(folderCursor);
} while (folderCursor.moveToNext());
}
return exist;
}
/**
* 检查数据是否存在于数据库中
*/
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();
}
/**
* 导出单个文件夹及其包含的笔记
*/
private void exportFolder(Cursor folderCursor) throws IOException {
String folderId = folderCursor.getString(NOTE_COLUMN_ID);
String folderName;
if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) {
folderName = mContext.getString(R.string.call_record_folder_name);
} else {
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET);
}
if (!TextUtils.isEmpty(folderName)) {
mWriter.write(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
mWriter.newLine();
return exist;
}
/**
* 检查可见文件夹名称是否已存在
*/
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;
}
// 导出文件夹中的笔记
exportNotesInFolder(folderId);
// 添加文件夹分隔线
mWriter.write("\n");
cursor.close();
}
/**
* 导出指定文件夹中的所有笔记
*/
private void exportNotesInFolder(String folderId) throws IOException {
try (Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { folderId }, null)) {
if (notesCursor != null && notesCursor.moveToFirst()) {
do {
mNotesCount++;
exportNote(notesCursor);
} while (notesCursor.moveToNext());
}
return exist;
}
/**
* 获取与文件夹关联的小部件信息
*/
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();
}
/**
* 导出根文件夹中的笔记
*/
private void exportRootNotes() throws IOException {
try (Cursor noteCursor = mContext.getContentResolver().query(
Notes.CONTENT_NOTE_URI,
NOTE_PROJECTION,
NoteColumns.TYPE + "=" + Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + "=0",
null, null)) {
if (noteCursor != null && noteCursor.moveToFirst()) {
do {
mNotesCount++;
exportNote(noteCursor);
} while (noteCursor.moveToNext());
}
return set;
}
/**
* 根据笔记ID获取通话号码
*/
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();
}
}
/**
* 导出单个笔记
*/
private void exportNote(Cursor noteCursor) throws IOException {
// 打印笔记的最后修改日期
mWriter.write(String.format(getFormat(FORMAT_NOTE_DATE),
DateFormat.format(mContext.getString(R.string.format_datetime_mdhm),
noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE))));
mWriter.newLine();
// 查询并导出笔记的数据
String noteId = noteCursor.getString(NOTE_COLUMN_ID);
exportNoteData(noteId);
// 添加笔记分隔线
mWriter.write("\n");
}
/**
* 导出笔记的所有数据
*/
private void exportNoteData(String noteId) throws IOException {
try (Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI,
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { noteId }, null)) {
if (dataCursor != null && dataCursor.moveToFirst()) {
do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE);
if (DataConstants.CALL_NOTE.equals(mimeType)) {
exportCallNote(dataCursor);
} else if (DataConstants.NOTE.equals(mimeType)) {
exportTextNote(dataCursor);
}
} while (dataCursor.moveToNext());
return "";
}
/**
* 根据电话号码和通话日期获取笔记ID
*/
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();
}
/**
* 导出通话记录笔记
*/
private void exportCallNote(Cursor dataCursor) throws IOException {
// 打印电话号码
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER);
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE);
String location = dataCursor.getString(DATA_COLUMN_CONTENT);
return 0;
}
if (!TextUtils.isEmpty(phoneNumber)) {
mWriter.write(String.format(getFormat(FORMAT_NOTE_CONTENT), phoneNumber));
mWriter.newLine();
}
// 打印通话日期
mWriter.write(String.format(getFormat(FORMAT_NOTE_CONTENT),
DateFormat.format(mContext.getString(R.string.format_datetime_mdhm), callDate)));
mWriter.newLine();
// 打印通话附件位置
if (!TextUtils.isEmpty(location)) {
mWriter.write(String.format(getFormat(FORMAT_NOTE_CONTENT), location));
mWriter.newLine();
}
}
/**
* 导出文本笔记
*/
private void exportTextNote(Cursor dataCursor) throws IOException {
String content = dataCursor.getString(DATA_COLUMN_CONTENT);
if (!TextUtils.isEmpty(content)) {
mWriter.write(String.format(getFormat(FORMAT_NOTE_CONTENT), content));
mWriter.newLine();
}
}
/**
* 根据笔记ID获取摘要
*/
public static String getSnippetById(ContentResolver resolver, long noteId) {
Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
/**
* Generate the text file to store imported data
*/
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) {
StringBuilder sb = new StringBuilder();
// 适配Android 10+的存储访问
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
sb.append(context.getExternalFilesDir(null));
} else {
sb.append(Environment.getExternalStorageDirectory());
if (cursor != null) {
String snippet = "";
if (cursor.moveToFirst()) {
snippet = cursor.getString(0);
}
sb.append(context.getString(filePathResId));
File filedir = new File(sb.toString());
// 确保目录存在
if (!filedir.exists() && !filedir.mkdirs()) {
Log.e(TAG, "Failed to create directory: " + filedir.getAbsolutePath());
return null;
}
// 构建文件名
sb.append(context.getString(
fileNameFormatResId,
DateFormat.format(context.getString(R.string.format_date_ymd),
System.currentTimeMillis())));
File file = new File(sb.toString());
cursor.close();
return snippet;
}
throw new IllegalArgumentException("Note is not found with id: " + noteId);
}
try {
if (!file.exists() && !file.createNewFile()) {
Log.e(TAG, "Failed to create file: " + file.getAbsolutePath());
return null;
}
return file;
} catch (SecurityException | IOException e) {
Log.e(TAG, "Error creating file: " + e.getMessage(), e);
return null;
/**
* 格式化笔记摘要
*/
public static String getFormattedSnippet(String snippet) {
if (snippet != null) {
snippet = snippet.trim();
int index = snippet.indexOf('\n');
if (index != -1) {
snippet = snippet.substring(0, index);
}
}
return snippet;
}
}

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