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Update DataUtils.java

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pwiz98tyo 5 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; 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.database.Cursor;
import android.os.Build; import android.os.RemoteException;
import android.os.Environment;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log; import android.util.Log;
import net.micode.notes.R;
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.CallNote;
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.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.ArrayList;
import java.util.List; import java.util.HashSet;
public class BackupUtils { public class DataUtils {
private static final String TAG = "BackupUtils"; public static final String TAG = "DataUtils";
// Singleton stuff
private static BackupUtils sInstance;
public static synchronized BackupUtils getInstance(Context context) {
if (sInstance == null) {
sInstance = new BackupUtils(context);
}
return sInstance;
}
/** /**
* Following states are signs to represents backup or restore * 批量删除笔记
* status
*/ */
// Currently, the sdcard is not mounted public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
public static final int STATE_SD_CARD_UNMOUONTED = 0; if (ids == null) {
// The backup file not exist Log.d(TAG, "the ids is null");
public static final int STATE_BACKUP_FILE_NOT_EXIST = 1; return true;
// 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);
} }
if (ids.size() == 0) {
private static boolean externalStorageAvailable() { Log.d(TAG, "no id is in the hashset");
return Environment.MEDIA_MOUNTED.equals(Environment.getExternalStorageState()); return true;
} }
public int exportToText() { ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
return mTextExport.exportToText(); for (long id : ids) {
if(id == Notes.ID_ROOT_FOLDER) {
Log.e(TAG, "Don't delete system folder root");
continue;
} }
ContentProviderOperation.Builder builder = ContentProviderOperation
public String getExportedTextFileName() { .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
return mTextExport.mFileName; operationList.add(builder.build());
} }
try {
public String getExportedTextFileDir() { ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
return mTextExport.mFileDirectory; if (results == null || results.length == 0 || results[0] == null) {
Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return false;
} }
return true;
private static class TextExport { } catch (RemoteException e) {
private static final String[] NOTE_PROJECTION = { Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
NoteColumns.ID, } catch (OperationApplicationException e) {
NoteColumns.MODIFIED_DATE, Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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;
public TextExport(Context context) {
TEXT_FORMAT = context.getResources().getStringArray(R.array.format_for_exported_note);
mContext = context;
mFileName = "";
mFileDirectory = "";
mNotesCount = 0;
mFoldersCount = 0;
} }
return false;
private String getFormat(int id) {
return TEXT_FORMAT[id];
} }
/** /**
* Export notes to text file * 移动单个笔记到文件夹
*/ */
public int exportToText() { public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
if (!externalStorageAvailable()) { ContentValues values = new ContentValues();
Log.d(TAG, "Media was not mounted"); values.put(NoteColumns.PARENT_ID, desFolderId);
return STATE_SD_CARD_UNMOUONTED; 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);
} }
File file = generateFileMountedOnSDcard(mContext, R.string.file_path, /**
R.string.file_name_txt_format); * 批量移动笔记到文件夹
if (file == null) { */
Log.e(TAG, "create file to exported failed"); public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids,
return STATE_SYSTEM_ERROR; long folderId) {
if (ids == null) {
Log.d(TAG, "the ids is null");
return true;
} }
mFileName = file.getName(); ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
mFileDirectory = mContext.getString(R.string.file_path); for (long id : ids) {
ContentProviderOperation.Builder builder = ContentProviderOperation
// 使用try-with-resources确保资源释放 .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
try (BufferedWriter writer = new BufferedWriter( builder.withValue(NoteColumns.PARENT_ID, folderId);
new OutputStreamWriter(new FileOutputStream(file), StandardCharsets.UTF_8))) { builder.withValue(NoteColumns.LOCAL_MODIFIED, 1);
mWriter = writer; operationList.add(builder.build());
}
// 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."); try {
return STATE_SUCCESS; ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
} catch (IOException e) { if (results == null || results.length == 0 || results[0] == null) {
Log.e(TAG, "Error during export: " + e.getMessage(), e); Log.d(TAG, "delete notes failed, ids:" + ids.toString());
return STATE_SYSTEM_ERROR; 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;
/**
* 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 * 获取用户文件夹数量（不包括系统文件夹）
*/ */
private void exportFoldersAndNotes() throws IOException { public static int getUserFolderCount(ContentResolver resolver) {
// 首先导出文件夹和其中的笔记 Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
exportFolders(); new String[] { "COUNT(*)" },
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
// 导出根文件夹中的笔记 new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
exportRootNotes(); 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();
} }
/**
* 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 count;
} }
/** /**
* 导出单个文件夹及其包含的笔记 * 检查笔记是否存在且可见（不在回收站）
*/ */
private void exportFolder(Cursor folderCursor) throws IOException { public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
String folderId = folderCursor.getString(NOTE_COLUMN_ID); Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
String folderName; null,
NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
new String [] {String.valueOf(type)},
null);
if(folderCursor.getLong(NOTE_COLUMN_ID) == Notes.ID_CALL_RECORD_FOLDER) { boolean exist = false;
folderName = mContext.getString(R.string.call_record_folder_name); if (cursor != null) {
} else { if (cursor.getCount() > 0) {
folderName = folderCursor.getString(NOTE_COLUMN_SNIPPET); exist = true;
} }
cursor.close();
if (!TextUtils.isEmpty(folderName)) {
mWriter.write(String.format(getFormat(FORMAT_FOLDER_NAME), folderName));
mWriter.newLine();
} }
return exist;
// 导出文件夹中的笔记
exportNotesInFolder(folderId);
// 添加文件夹分隔线
mWriter.write("\n");
} }
/** /**
* 导出指定文件夹中的所有笔记 * 检查笔记是否存在于数据库中
*/ */
private void exportNotesInFolder(String folderId) throws IOException { public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
try (Cursor notesCursor = mContext.getContentResolver().query(Notes.CONTENT_NOTE_URI, Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
NOTE_PROJECTION, NoteColumns.PARENT_ID + "=?", new String[] { folderId }, null)) { null, null, null, null);
if (notesCursor != null && notesCursor.moveToFirst()) { boolean exist = false;
do { if (cursor != null) {
mNotesCount++; if (cursor.getCount() > 0) {
exportNote(notesCursor); exist = true;
} while (notesCursor.moveToNext());
} }
cursor.close();
} }
return exist;
} }
/** /**
* 导出根文件夹中的笔记 * 检查数据是否存在于数据库中
*/ */
private void exportRootNotes() throws IOException { public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
try (Cursor noteCursor = mContext.getContentResolver().query( Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
Notes.CONTENT_NOTE_URI, null, null, null, null);
NOTE_PROJECTION,
NoteColumns.TYPE + "=" + Notes.TYPE_NOTE + " AND " + NoteColumns.PARENT_ID + "=0",
null, null)) {
if (noteCursor != null && noteCursor.moveToFirst()) { boolean exist = false;
do { if (cursor != null) {
mNotesCount++; if (cursor.getCount() > 0) {
exportNote(noteCursor); exist = true;
} while (noteCursor.moveToNext());
} }
cursor.close();
} }
return exist;
} }
/** /**
* 导出单个笔记 * 检查可见文件夹名称是否已存在
*/ */
private void exportNote(Cursor noteCursor) throws IOException { public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
// 打印笔记的最后修改日期 Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
mWriter.write(String.format(getFormat(FORMAT_NOTE_DATE), NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
DateFormat.format(mContext.getString(R.string.format_datetime_mdhm), " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
noteCursor.getLong(NOTE_COLUMN_MODIFIED_DATE)))); " AND " + NoteColumns.SNIPPET + "=?",
mWriter.newLine(); new String[] { name }, null);
boolean exist = false;
// 查询并导出笔记的数据 if(cursor != null) {
String noteId = noteCursor.getString(NOTE_COLUMN_ID); if(cursor.getCount() > 0) {
exportNoteData(noteId); exist = true;
}
// 添加笔记分隔线 cursor.close();
mWriter.write("\n"); }
return exist;
} }
/** /**
* 导出笔记的所有数据 * 获取与文件夹关联的小部件信息
*/ */
private void exportNoteData(String noteId) throws IOException { public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
try (Cursor dataCursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
DATA_PROJECTION, DataColumns.NOTE_ID + "=?", new String[] { noteId }, null)) { new String[] { NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE },
NoteColumns.PARENT_ID + "=?",
if (dataCursor != null && dataCursor.moveToFirst()) { new String[] { String.valueOf(folderId) },
null);
HashSet<AppWidgetAttribute> set = null;
if (c != null) {
if (c.moveToFirst()) {
set = new HashSet<AppWidgetAttribute>();
do { do {
String mimeType = dataCursor.getString(DATA_COLUMN_MIME_TYPE); try {
if (DataConstants.CALL_NOTE.equals(mimeType)) { AppWidgetAttribute widget = new AppWidgetAttribute();
exportCallNote(dataCursor); widget.widgetId = c.getInt(0);
} else if (DataConstants.NOTE.equals(mimeType)) { widget.widgetType = c.getInt(1);
exportTextNote(dataCursor); set.add(widget);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, e.toString());
} }
} while (dataCursor.moveToNext()); } while (c.moveToNext());
} }
c.close();
} }
return set;
} }
/** /**
* 导出通话记录笔记 * 根据笔记ID获取通话号码
*/ */
private void exportCallNote(Cursor dataCursor) throws IOException { public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
// 打印电话号码 Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
String phoneNumber = dataCursor.getString(DATA_COLUMN_PHONE_NUMBER); new String [] { CallNote.PHONE_NUMBER },
long callDate = dataCursor.getLong(DATA_COLUMN_CALL_DATE); CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
String location = dataCursor.getString(DATA_COLUMN_CONTENT); new String [] { String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE },
null);
if (!TextUtils.isEmpty(phoneNumber)) {
mWriter.write(String.format(getFormat(FORMAT_NOTE_CONTENT), phoneNumber)); if (cursor != null && cursor.moveToFirst()) {
mWriter.newLine(); try {
return cursor.getString(0);
} catch (IndexOutOfBoundsException e) {
Log.e(TAG, "Get call number fails " + e.toString());
} finally {
cursor.close();
} }
// 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();
} }
return "";
} }
/** /**
* 导出文本笔记 * 根据电话号码和通话日期获取笔记ID
*/ */
private void exportTextNote(Cursor dataCursor) throws IOException { public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
String content = dataCursor.getString(DATA_COLUMN_CONTENT); Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
if (!TextUtils.isEmpty(content)) { new String [] { CallNote.NOTE_ID },
mWriter.write(String.format(getFormat(FORMAT_NOTE_CONTENT), content)); CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
mWriter.newLine(); + 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;
} }
/** /**
* Generate the text file to store imported data * 根据笔记ID获取摘要
*/ */
private static File generateFileMountedOnSDcard(Context context, int filePathResId, int fileNameFormatResId) { public static String getSnippetById(ContentResolver resolver, long noteId) {
StringBuilder sb = new StringBuilder(); Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
new String [] { NoteColumns.SNIPPET },
NoteColumns.ID + "=?",
new String [] { String.valueOf(noteId)},
null);
// 适配Android 10+的存储访问 if (cursor != null) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { String snippet = "";
sb.append(context.getExternalFilesDir(null)); if (cursor.moveToFirst()) {
} else { snippet = cursor.getString(0);
sb.append(Environment.getExternalStorageDirectory());
} }
cursor.close();
sb.append(context.getString(filePathResId)); return snippet;
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;
} }
throw new IllegalArgumentException("Note is not found with id: " + noteId);
// 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());
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); * 格式化笔记摘要
return null; */
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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