diff --git a/src/tool/DataUtils.java b/src/tool/DataUtils.java deleted file mode 100644 index 3e84b20..0000000 --- a/src/tool/DataUtils.java +++ /dev/null @@ -1,300 +0,0 @@ -/* - * 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; - - -package net.micode.notes.tool; - -public class DataUtils { - public static final String TAG = "DataUtils"; - public static boolean batchDeleteNotes(ContentResolver resolver, HashSet ids) { //直接删除多个笔记 - 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; - } - - ArrayList operationList = new ArrayList(); //提供一个任务列表 - for (long id : ids) { - if(id == Notes.ID_ROOT_FOLDER) { - Log.e(TAG, "Don't delete system folder root"); - continue; - } //如果发现是根文件夹，则不删除 - ContentProviderOperation.Builder builder = ContentProviderOperation - .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //用newDelete实现删除功能 - operationList.add(builder.build()); // - } - try { - ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);//主机名（或叫Authority）用于唯一标识这个ContentProvider，外部调用者可以根据这个标识来找到它。 - //数据库事务，数据库事务是由一组数据库操作序列组成，事务作为一个整体被执行 - 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; - } - - 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); //对需要移动的便签进行数据更新，然后用update实现 - } - - public static boolean batchMoveToFolder(ContentResolver resolver, HashSet ids, - long folderId) { - if (ids == null) { - Log.d(TAG, "the ids is null"); - return true; - } - - ArrayList operationList = new ArrayList(); - for (long id : ids) { - ContentProviderOperation.Builder builder = ContentProviderOperation - .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id)); //通过withAppendedId方法，为该Uri加上ID - builder.withValue(NoteColumns.PARENT_ID, folderId); - builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); - operationList.add(builder.build()); - }//将ids里包含的每一列的数据逐次加入到operationList中，等待最后的批量处理 - - try { - ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList); //applyBatch一次性处理一个操作列表 - 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; - } - - /** - * Get the all folder count except system folders {@link Notes#TYPE_SYSTEM}} - */ - 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); //筛选条件：源文件不为trash folder - - 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; - } - - public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) { - Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), //通过withAppendedId方法，为该Uri加上ID - null, - NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER, - new String [] {String.valueOf(type)}, - null); //查询条件：type符合，且不属于垃圾文件夹 - - boolean exist = false; - if (cursor != null) { - if (cursor.getCount() > 0) {//用getcount函数判断cursor是否为空 - exist = true; - } - cursor.close(); - } - return exist; - } - - 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; - } - - 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; - } - - 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); - //通过名字查询文件是否存在 - boolean exist = false; - if(cursor != null) { - if(cursor.getCount() > 0) { - exist = true; - } - cursor.close(); - } - return exist; - } - - public static HashSet 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); //查询条件：父ID是传入的folderId; - - HashSet set = null; - if (c != null) { - if (c.moveToFirst()) { - set = new HashSet(); - do { - try { - AppWidgetAttribute widget = new AppWidgetAttribute(); - widget.widgetId = c.getInt(0); //0对应的NoteColumns.WIDGET_ID - widget.widgetType = c.getInt(1); //1对应的NoteColumns.WIDGET_TYPE - set.add(widget); - } catch (IndexOutOfBoundsException e) { - Log.e(TAG, e.toString()); - } - } while (c.moveToNext()); //查询下一条 - } - c.close(); - } - return set; - } - - 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 ""; - } - - 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); - //通过数据库操作，查询条件是（callDate和phoneNumber匹配传入参数的值） - - if (cursor != null) { - if (cursor.moveToFirst()) { - try { - return cursor.getLong(0); //0对应的CallNote.NOTE_ID - } catch (IndexOutOfBoundsException e) { - Log.e(TAG, "Get call note id fails " + e.toString()); - } - } - cursor.close(); - } - return 0; - } - - 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);//查询条件：noteId - - if (cursor != null) { - String snippet = ""; - if (cursor.moveToFirst()) { - snippet = cursor.getString(0); - } - cursor.close(); - return snippet; - } - throw new IllegalArgumentException("Note is not found with id: " + noteId); - } - public static String getFormattedSnippet(String snippet) { //对字符串进行格式处理，将字符串两头的空格去掉，同时将换行符去掉 - if (snippet != null) { - snippet = snippet.trim(); - int index = snippet.indexOf('\n'); - if (index != -1) { - snippet = snippet.substring(0, index); - } - } - return snippet; - } - -} \ No newline at end of file