parent
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ecc9248238
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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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public class GTaskStringUtils {
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public final static String GTASK_JSON_ACTION_ID = "action_id";
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public final static String GTASK_JSON_ACTION_LIST = "action_list";
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public final static String GTASK_JSON_ACTION_TYPE = "action_type";
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public final static String GTASK_JSON_ACTION_TYPE_CREATE = "create";
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public final static String GTASK_JSON_ACTION_TYPE_GETALL = "get_all";
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public final static String GTASK_JSON_ACTION_TYPE_MOVE = "move";
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public final static String GTASK_JSON_ACTION_TYPE_UPDATE = "update";
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public final static String GTASK_JSON_CREATOR_ID = "creator_id";
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public final static String GTASK_JSON_CHILD_ENTITY = "child_entity";
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public final static String GTASK_JSON_CLIENT_VERSION = "client_version";
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public final static String GTASK_JSON_COMPLETED = "completed";
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public final static String GTASK_JSON_CURRENT_LIST_ID = "current_list_id";
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public final static String GTASK_JSON_DEFAULT_LIST_ID = "default_list_id";
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public final static String GTASK_JSON_DELETED = "deleted";
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public final static String GTASK_JSON_DEST_LIST = "dest_list";
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public final static String GTASK_JSON_DEST_PARENT = "dest_parent";
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public final static String GTASK_JSON_DEST_PARENT_TYPE = "dest_parent_type";
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public final static String GTASK_JSON_ENTITY_DELTA = "entity_delta";
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public final static String GTASK_JSON_ENTITY_TYPE = "entity_type";
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public final static String GTASK_JSON_GET_DELETED = "get_deleted";
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public final static String GTASK_JSON_ID = "id";
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public final static String GTASK_JSON_INDEX = "index";
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public final static String GTASK_JSON_LAST_MODIFIED = "last_modified";
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public final static String GTASK_JSON_LATEST_SYNC_POINT = "latest_sync_point";
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public final static String GTASK_JSON_LIST_ID = "list_id";
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public final static String GTASK_JSON_LISTS = "lists";
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public final static String GTASK_JSON_NAME = "name";
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public final static String GTASK_JSON_NEW_ID = "new_id";
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public final static String GTASK_JSON_NOTES = "notes";
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public final static String GTASK_JSON_PARENT_ID = "parent_id";
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public final static String GTASK_JSON_PRIOR_SIBLING_ID = "prior_sibling_id";
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public final static String GTASK_JSON_RESULTS = "results";
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public final static String GTASK_JSON_SOURCE_LIST = "source_list";
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public final static String GTASK_JSON_TASKS = "tasks";
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public final static String GTASK_JSON_TYPE = "type";
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public final static String GTASK_JSON_TYPE_GROUP = "GROUP";
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public final static String GTASK_JSON_TYPE_TASK = "TASK";
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public final static String GTASK_JSON_USER = "user";
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public final static String MIUI_FOLDER_PREFFIX = "[MIUI_Notes]";
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public final static String FOLDER_DEFAULT = "Default";
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public final static String FOLDER_CALL_NOTE = "Call_Note";
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public final static String FOLDER_META = "METADATA";
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public final static String META_HEAD_GTASK_ID = "meta_gid";
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public final static String META_HEAD_NOTE = "meta_note";
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public final static String META_HEAD_DATA = "meta_data";
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public final static String META_NOTE_NAME = "[META INFO] DON'T UPDATE AND DELETE";
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}
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@ -1,256 +0,0 @@
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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.model;
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import android.content.ContentProviderOperation;
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import android.content.ContentProviderResult;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.OperationApplicationException;
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import android.net.Uri;
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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.DataColumns;
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import net.micode.notes.data.Notes.NoteColumns;
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import net.micode.notes.data.Notes.TextNote;
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import java.util.ArrayList;
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public class Note {
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// private ContentValues mNoteDiffValues;
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ContentValues mNoteDiffValues;//
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private NoteData mNoteData;
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private static final String TAG = "Note";
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/**
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* Create a new note id for adding a new note to databases
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*/
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public static synchronized long getNewNoteId(Context context, long folderId) {
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// Create a new note in the database
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ContentValues values = new ContentValues();
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long createdTime = System.currentTimeMillis();
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values.put(NoteColumns.CREATED_DATE, createdTime);
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values.put(NoteColumns.MODIFIED_DATE, createdTime);
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values.put(NoteColumns.TYPE, Notes.TYPE_NOTE);
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values.put(NoteColumns.LOCAL_MODIFIED, 1);
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values.put(NoteColumns.PARENT_ID, folderId);//将数据写入数据库表格
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values);
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//ContentResolver()主要是实现外部应用对ContentProvider中的数据
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//进行添加、删除、修改和查询操作
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long noteId = 0;
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try {
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noteId = Long.valueOf(uri.getPathSegments().get(1));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Get note id error :" + e.toString());
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noteId = 0;
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}//try-catch异常处理
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if (noteId == -1) {
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throw new IllegalStateException("Wrong note id:" + noteId);
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}
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return noteId;
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}
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public Note() {
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mNoteDiffValues = new ContentValues();
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mNoteData = new NoteData();
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}//定义两个变量用来存储便签的数据，一个是存储便签属性、一个是存储便签内容
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public void setNoteValue(String key, String value) {
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mNoteDiffValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}//设置数据库表格的标签属性数据
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public void setTextData(String key, String value) {
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mNoteData.setTextData(key, value);
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}//设置数据库表格的标签文本内容的数据
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public void setTextDataId(long id) {
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mNoteData.setTextDataId(id);
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}//设置文本数据的ID
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public long getTextDataId() {
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return mNoteData.mTextDataId;
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}//得到文本数据的ID
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public void setCallDataId(long id) {
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mNoteData.setCallDataId(id);
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}//设置电话号码数据的ID
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public void setCallData(String key, String value) {
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mNoteData.setCallData(key, value);
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}//得到电话号码数据的ID
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public boolean isLocalModified() {
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return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified();
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}//判断是否是本地修改
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public boolean syncNote(Context context, long noteId) {
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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}
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if (!isLocalModified()) {
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return true;
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}
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/**
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* In theory, once data changed, the note should be updated on {@link NoteColumns#LOCAL_MODIFIED} and
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* {@link NoteColumns#MODIFIED_DATE}. For data safety, though update note fails, we also update the
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* note data info
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*/
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if (context.getContentResolver().update(
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ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null,
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null) == 0) {
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Log.e(TAG, "Update note error, should not happen");
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// Do not return, fall through
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}
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mNoteDiffValues.clear();
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if (mNoteData.isLocalModified()
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&& (mNoteData.pushIntoContentResolver(context, noteId) == null)) {
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return false;
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}
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return true;
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}//判断数据是否同步
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private class NoteData {//定义一个基本的便签内容的数据类，主要包含文本数据和电话号码数据
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private long mTextDataId;
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private ContentValues mTextDataValues;//文本数据
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private long mCallDataId;
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private ContentValues mCallDataValues;//电话号码数据
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private static final String TAG = "NoteData";
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public NoteData() {
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mTextDataValues = new ContentValues();
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mCallDataValues = new ContentValues();
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mTextDataId = 0;
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mCallDataId = 0;
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}
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//下面是上述几个函数的具体实现
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boolean isLocalModified() {
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return mTextDataValues.size() > 0 || mCallDataValues.size() > 0;
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}
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void setTextDataId(long id) {
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if(id <= 0) {
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throw new IllegalArgumentException("Text data id should larger than 0");
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}
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mTextDataId = id;
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}
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void setCallDataId(long id) {
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if (id <= 0) {
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throw new IllegalArgumentException("Call data id should larger than 0");
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}
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mCallDataId = id;
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}
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void setCallData(String key, String value) {
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mCallDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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void setTextData(String key, String value) {
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mTextDataValues.put(key, value);
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mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1);
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mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis());
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}
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//下面函数的作用是将新的数据通过Uri的操作存储到数据库
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Uri pushIntoContentResolver(Context context, long noteId) {
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/**
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* Check for safety
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*/
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if (noteId <= 0) {
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throw new IllegalArgumentException("Wrong note id:" + noteId);
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}//判断数据是否合法
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ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
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ContentProviderOperation.Builder builder = null;//数据库的操作列表
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if(mTextDataValues.size() > 0) {
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mTextDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mTextDataId == 0) {
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mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE);
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mTextDataValues);
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try {
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setTextDataId(Long.valueOf(uri.getPathSegments().get(1)));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new text data fail with noteId" + noteId);
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mTextDataValues.clear();
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return null;
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}
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} else {
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mTextDataId));
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builder.withValues(mTextDataValues);
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operationList.add(builder.build());
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}
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mTextDataValues.clear();
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}//把文本数据存入DataColumns
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if(mCallDataValues.size() > 0) {
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mCallDataValues.put(DataColumns.NOTE_ID, noteId);
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if (mCallDataId == 0) {
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mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE);
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Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI,
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mCallDataValues);
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try {
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setCallDataId(Long.valueOf(uri.getPathSegments().get(1)));
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} catch (NumberFormatException e) {
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Log.e(TAG, "Insert new call data fail with noteId" + noteId);
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mCallDataValues.clear();
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return null;
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}
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} else {
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builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId(
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Notes.CONTENT_DATA_URI, mCallDataId));
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builder.withValues(mCallDataValues);
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operationList.add(builder.build());
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}
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mCallDataValues.clear();
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}//把电话号码数据存入DataColumns
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if (operationList.size() > 0) {
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try {
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ContentProviderResult[] results = context.getContentResolver().applyBatch(
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Notes.AUTHORITY, operationList);
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return (results == null || results.length == 0 || results[0] == null) ? null
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: ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId);
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} catch (RemoteException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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return null;
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} catch (OperationApplicationException e) {
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Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage()));
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return null;
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}
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}//存储过程中的异常处理
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return null;
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}
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}
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}
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