|
|
/*
|
|
|
* 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.gtask.remote;
|
|
|
|
|
|
import android.app.Activity;
|
|
|
import android.content.ContentResolver;
|
|
|
import android.content.ContentUris;
|
|
|
import android.content.ContentValues;
|
|
|
import android.content.Context;
|
|
|
import android.database.Cursor;
|
|
|
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.NoteColumns;
|
|
|
import net.micode.notes.gtask.data.MetaData;
|
|
|
import net.micode.notes.gtask.data.Node;
|
|
|
import net.micode.notes.gtask.data.SqlNote;
|
|
|
import net.micode.notes.gtask.data.Task;
|
|
|
import net.micode.notes.gtask.data.TaskList;
|
|
|
import net.micode.notes.gtask.exception.ActionFailureException;
|
|
|
import net.micode.notes.gtask.exception.NetworkFailureException;
|
|
|
import net.micode.notes.tool.DataUtils;
|
|
|
import net.micode.notes.tool.GTaskStringUtils;
|
|
|
|
|
|
import org.json.JSONArray;
|
|
|
import org.json.JSONException;
|
|
|
import org.json.JSONObject;
|
|
|
|
|
|
import java.util.HashMap;
|
|
|
import java.util.HashSet;
|
|
|
import java.util.Iterator;
|
|
|
import java.util.Map;
|
|
|
|
|
|
|
|
|
public class GTaskManager {
|
|
|
private static final String TAG = GTaskManager.class.getSimpleName();
|
|
|
|
|
|
public static final int STATE_SUCCESS = 0;
|
|
|
|
|
|
public static final int STATE_NETWORK_ERROR = 1;
|
|
|
|
|
|
public static final int STATE_INTERNAL_ERROR = 2;
|
|
|
|
|
|
public static final int STATE_SYNC_IN_PROGRESS = 3;
|
|
|
|
|
|
public static final int STATE_SYNC_CANCELLED = 4;
|
|
|
|
|
|
private static GTaskManager mInstance = null;
|
|
|
|
|
|
private Activity mActivity;
|
|
|
|
|
|
private Context mContext;
|
|
|
|
|
|
private ContentResolver mContentResolver;
|
|
|
|
|
|
private boolean mSyncing;
|
|
|
|
|
|
private boolean mCancelled;
|
|
|
|
|
|
private HashMap<String, TaskList> mGTaskListHashMap;
|
|
|
|
|
|
private HashMap<String, Node> mGTaskHashMap;
|
|
|
|
|
|
private HashMap<String, MetaData> mMetaHashMap;
|
|
|
|
|
|
private TaskList mMetaList;
|
|
|
|
|
|
private HashSet<Long> mLocalDeleteIdMap;
|
|
|
|
|
|
private HashMap<String, Long> mGidToNid;
|
|
|
|
|
|
private HashMap<Long, String> mNidToGid;
|
|
|
|
|
|
private GTaskManager() {//对象初始化函数
|
|
|
mSyncing = false;//正在同步，flase代表未执行
|
|
|
mCancelled = false;//全局标识，flase代表可以执行
|
|
|
mGTaskListHashMap = new HashMap<String, TaskList>();//<>代表Java的泛型，就是创建一个用类型作为参数的类
|
|
|
mGTaskHashMap = new HashMap<String, Node>();
|
|
|
mMetaHashMap = new HashMap<String, MetaData>();
|
|
|
mMetaList = null;
|
|
|
mLocalDeleteIdMap = new HashSet<Long>();
|
|
|
mGidToNid = new HashMap<String, Long>();
|
|
|
mNidToGid = new HashMap<Long, String>();//通过hashmap散列表建立映射
|
|
|
}
|
|
|
/**
|
|
|
* 包含关键字synchronized，语言级同步，指明该函数可能运行在多线程的环境下
|
|
|
* 实现功能：类初始化函数
|
|
|
*/
|
|
|
public static synchronized GTaskManager getInstance() {//可能运行在多线程环境下，使用语言级同步--synchronized
|
|
|
if (mInstance == null) {
|
|
|
mInstance = new GTaskManager();
|
|
|
}
|
|
|
return mInstance;
|
|
|
}
|
|
|
/**
|
|
|
* 包含关键字synchronized，语言级同步，指明该函数可能运行在多线程的环境下
|
|
|
*/
|
|
|
public synchronized void setActivityContext(Activity activity) {
|
|
|
// used for getting authtoken
|
|
|
mActivity = activity;
|
|
|
}
|
|
|
/**实现功能：实现了本地同步操作和远端同步操作
|
|
|
* context---获取上下文
|
|
|
* asyncTask---用于同步的异步操作类
|
|
|
*/
|
|
|
public int sync(Context context, GTaskASyncTask asyncTask) {//核心函数
|
|
|
if (mSyncing) {
|
|
|
Log.d(TAG, "Sync is in progress");//创建日志文件（调试信息），debug
|
|
|
return STATE_SYNC_IN_PROGRESS;
|
|
|
}
|
|
|
mContext = context;
|
|
|
mContentResolver = mContext.getContentResolver();
|
|
|
mSyncing = true;
|
|
|
mCancelled = false;
|
|
|
mGTaskListHashMap.clear();
|
|
|
mGTaskHashMap.clear();
|
|
|
mMetaHashMap.clear();
|
|
|
mLocalDeleteIdMap.clear();
|
|
|
mGidToNid.clear();
|
|
|
mNidToGid.clear();
|
|
|
|
|
|
try {
|
|
|
GTaskClient client = GTaskClient.getInstance();//getInstance即为创建一个实例，client---客户机
|
|
|
client.resetUpdateArray();//JSONArray类型，reset即置为NULL
|
|
|
|
|
|
// login google task
|
|
|
if (!mCancelled) {
|
|
|
if (!client.login(mActivity)) {
|
|
|
throw new NetworkFailureException("login google task failed");
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// get the task list from google
|
|
|
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
|
|
|
initGTaskList();//获取Google上的JSONtasklist转为本地TaskList
|
|
|
|
|
|
// do content sync work
|
|
|
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
|
|
|
syncContent();
|
|
|
} catch (NetworkFailureException e) {//分为两种异常，此类异常为网络异常
|
|
|
Log.e(TAG, e.toString());//创建日志文件（调试信息），error
|
|
|
return STATE_NETWORK_ERROR;
|
|
|
} catch (ActionFailureException e) {//此类异常为操作异常
|
|
|
Log.e(TAG, e.toString());
|
|
|
return STATE_INTERNAL_ERROR;
|
|
|
} catch (Exception e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
return STATE_INTERNAL_ERROR;
|
|
|
} finally {
|
|
|
mGTaskListHashMap.clear();
|
|
|
mGTaskHashMap.clear();
|
|
|
mMetaHashMap.clear();
|
|
|
mLocalDeleteIdMap.clear();
|
|
|
mGidToNid.clear();
|
|
|
mNidToGid.clear();
|
|
|
mSyncing = false;
|
|
|
}
|
|
|
|
|
|
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
|
|
|
}
|
|
|
/**
|
|
|
* 实现功能：初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList
|
|
|
* 获得的的数据存储在mMetaList，mGTaskListHashMap,mGTaskHashMap
|
|
|
*/
|
|
|
private void initGTaskList() throws NetworkFailureException {
|
|
|
if (mCancelled)
|
|
|
return;
|
|
|
GTaskClient client = GTaskClient.getInstance();//getInstance即为创建一个实例，client应指远端客户机
|
|
|
try {
|
|
|
//Json对象是Name Value对（及子元素）的无序集合，相当于一个Map对象，JsonObject类是bantouyan-json库对Json对象的抽象，提供操纵Json对象的各种方法
|
|
|
//其格式为{"key1":value1,"key2",value2....};key必须是字符串
|
|
|
//因为ajax请求不刷新页面，但配合js可以实现局部刷新，因此json常常被用来作为异步请求的返回对象使用
|
|
|
JSONArray jsTaskLists = client.getTaskLists();
|
|
|
|
|
|
// init meta list first
|
|
|
mMetaList = null;//TaskList类型
|
|
|
for (int i = 0; i < jsTaskLists.length(); i++) {
|
|
|
JSONObject object = jsTaskLists.getJSONObject(i);//JSONObject与JSONArray一个为对象，一个为数组，此处取出单个JASONObject
|
|
|
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
|
|
|
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
|
|
|
|
|
|
if (name
|
|
|
.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
|
|
|
mMetaList = new TaskList();//MetaList意为元表，Tasklist类型，此处为初始化
|
|
|
mMetaList.setContentByRemoteJSON(object);//将JSON中部分数据复制到自己定义的对象中相对应的数据：name->mname
|
|
|
|
|
|
// load meta data
|
|
|
JSONArray jsMetas = client.getTaskList(gid);
|
|
|
for (int j = 0; j < jsMetas.length(); j++) {
|
|
|
object = (JSONObject) jsMetas.getJSONObject(j);
|
|
|
MetaData metaData = new MetaData();//继承自Node
|
|
|
metaData.setContentByRemoteJSON(object);
|
|
|
if (metaData.isWorthSaving()) {//if not worth to save，metadate将不加入mMetaList
|
|
|
mMetaList.addChildTask(metaData);
|
|
|
if (metaData.getGid() != null) {
|
|
|
mMetaHashMap.put(metaData.getRelatedGid(), metaData);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// create meta list if not existed
|
|
|
if (mMetaList == null) {
|
|
|
mMetaList = new TaskList();
|
|
|
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
|
|
|
+ GTaskStringUtils.FOLDER_META);
|
|
|
GTaskClient.getInstance().createTaskList(mMetaList);
|
|
|
}
|
|
|
|
|
|
// init task list
|
|
|
for (int i = 0; i < jsTaskLists.length(); i++) {
|
|
|
JSONObject object = jsTaskLists.getJSONObject(i);
|
|
|
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);//通过getString函数传入本地某个标志数据的名称，获取其在远端的名称
|
|
|
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
|
|
|
|
|
|
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
|
|
|
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
|
|
|
+ GTaskStringUtils.FOLDER_META)) {
|
|
|
TaskList tasklist = new TaskList();//继承自Node
|
|
|
tasklist.setContentByRemoteJSON(object);
|
|
|
mGTaskListHashMap.put(gid, tasklist);
|
|
|
mGTaskHashMap.put(gid, tasklist);
|
|
|
|
|
|
// load tasks
|
|
|
JSONArray jsTasks = client.getTaskList(gid);
|
|
|
for (int j = 0; j < jsTasks.length(); j++) {
|
|
|
object = (JSONObject) jsTasks.getJSONObject(j);
|
|
|
gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
|
|
|
Task task = new Task();
|
|
|
task.setContentByRemoteJSON(object);
|
|
|
if (task.isWorthSaving()) {
|
|
|
task.setMetaInfo(mMetaHashMap.get(gid));
|
|
|
tasklist.addChildTask(task);
|
|
|
mGTaskHashMap.put(gid, task);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
} catch (JSONException e) {
|
|
|
Log.e(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
throw new ActionFailureException("initGTaskList: handing JSONObject failed");
|
|
|
}
|
|
|
}
|
|
|
/**
|
|
|
* 实现功能：本地内容同步操作
|
|
|
*/
|
|
|
private void syncContent() throws NetworkFailureException {//本地内容同步操作
|
|
|
int syncType;
|
|
|
Cursor c = null;//数据库指针
|
|
|
String gid;
|
|
|
Node node;//Node包含Sync_Action的不同类型
|
|
|
|
|
|
mLocalDeleteIdMap.clear();//HashSet<Long>类型
|
|
|
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// for local deleted note
|
|
|
try {
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
|
|
|
"(type<>? AND parent_id=?)", new String[] {
|
|
|
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
|
|
|
}, null);
|
|
|
if (c != null) {
|
|
|
while (c.moveToNext()) {
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
if (node != null) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c);
|
|
|
}
|
|
|
|
|
|
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "failed to query trash folder");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null) {
|
|
|
c.close();
|
|
|
c = null;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// sync folder first
|
|
|
syncFolder();
|
|
|
|
|
|
// for note existing in database
|
|
|
try {
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
|
|
|
"(type=? AND parent_id<>?)", new String[] {
|
|
|
String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER)
|
|
|
}, NoteColumns.TYPE + " DESC");
|
|
|
if (c != null) {
|
|
|
while (c.moveToNext()) {
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
if (node != null) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));//通过hashmap建立联系
|
|
|
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);//通过hashmap建立联系
|
|
|
syncType = node.getSyncAction(c);
|
|
|
} else {
|
|
|
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
|
|
|
// local add
|
|
|
syncType = Node.SYNC_ACTION_ADD_REMOTE;
|
|
|
} else {
|
|
|
// remote delete
|
|
|
syncType = Node.SYNC_ACTION_DEL_LOCAL;
|
|
|
}
|
|
|
}
|
|
|
doContentSync(syncType, node, c);
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "failed to query existing note in database");
|
|
|
}
|
|
|
|
|
|
} finally {
|
|
|
if (c != null) {
|
|
|
c.close();
|
|
|
c = null;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// go through remaining items
|
|
|
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();//iterator迭代器
|
|
|
while (iter.hasNext()) {
|
|
|
Map.Entry<String, Node> entry = iter.next();
|
|
|
node = entry.getValue();
|
|
|
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
|
|
|
}
|
|
|
|
|
|
// mCancelled can be set by another thread, so we neet to check one by
|
|
|
// one
|
|
|
// clear local delete table
|
|
|
if (!mCancelled) {
|
|
|
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
|
|
|
throw new ActionFailureException("failed to batch-delete local deleted notes");
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// refresh local sync id
|
|
|
if (!mCancelled) {
|
|
|
GTaskClient.getInstance().commitUpdate();
|
|
|
refreshLocalSyncId();
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
private void syncFolder() throws NetworkFailureException {
|
|
|
Cursor c = null;
|
|
|
String gid;
|
|
|
Node node;
|
|
|
int syncType;
|
|
|
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// for root folder
|
|
|
try {
|
|
|
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
|
|
|
Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
|
|
|
if (c != null) {
|
|
|
c.moveToNext();
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
if (node != null) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
|
|
|
mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
|
|
|
// for system folder, only update remote name if necessary
|
|
|
if (!node.getName().equals(
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
|
|
|
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
|
|
|
} else {
|
|
|
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "failed to query root folder");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null) {
|
|
|
c.close();
|
|
|
c = null;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// for call-note folder
|
|
|
try {
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
|
|
|
new String[] {
|
|
|
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
|
|
|
}, null);
|
|
|
if (c != null) {
|
|
|
if (c.moveToNext()) {
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
if (node != null) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
|
|
|
mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
|
|
|
// for system folder, only update remote name if
|
|
|
// necessary
|
|
|
if (!node.getName().equals(
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX
|
|
|
+ GTaskStringUtils.FOLDER_CALL_NOTE))
|
|
|
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
|
|
|
} else {
|
|
|
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
|
|
|
}
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "failed to query call note folder");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null) {
|
|
|
c.close();
|
|
|
c = null;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// for local existing folders
|
|
|
try {
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
|
|
|
"(type=? AND parent_id<>?)", new String[] {
|
|
|
String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
|
|
|
}, NoteColumns.TYPE + " DESC");
|
|
|
if (c != null) {
|
|
|
while (c.moveToNext()) {
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
if (node != null) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
|
|
|
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
|
|
|
syncType = node.getSyncAction(c);
|
|
|
} else {
|
|
|
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
|
|
|
// local add
|
|
|
syncType = Node.SYNC_ACTION_ADD_REMOTE;
|
|
|
} else {
|
|
|
// remote delete
|
|
|
syncType = Node.SYNC_ACTION_DEL_LOCAL;
|
|
|
}
|
|
|
}
|
|
|
doContentSync(syncType, node, c);
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "failed to query existing folder");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null) {
|
|
|
c.close();
|
|
|
c = null;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// for remote add folders
|
|
|
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
|
|
|
while (iter.hasNext()) {
|
|
|
Map.Entry<String, TaskList> entry = iter.next();
|
|
|
gid = entry.getKey();
|
|
|
node = entry.getValue();
|
|
|
if (mGTaskHashMap.containsKey(gid)) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (!mCancelled)
|
|
|
GTaskClient.getInstance().commitUpdate();
|
|
|
}
|
|
|
/**
|
|
|
* 实现功能：syncType分类，addLocalNode,addRemoteNode,deleteNode,updateLocalNode,updateRemoteNode
|
|
|
*/
|
|
|
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
MetaData meta;
|
|
|
switch (syncType) {
|
|
|
case Node.SYNC_ACTION_ADD_LOCAL:
|
|
|
addLocalNode(node);
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_ADD_REMOTE:
|
|
|
addRemoteNode(node, c);
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_DEL_LOCAL:
|
|
|
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
|
|
|
if (meta != null) {
|
|
|
GTaskClient.getInstance().deleteNode(meta);
|
|
|
}
|
|
|
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_DEL_REMOTE:
|
|
|
meta = mMetaHashMap.get(node.getGid());
|
|
|
if (meta != null) {
|
|
|
GTaskClient.getInstance().deleteNode(meta);
|
|
|
}
|
|
|
GTaskClient.getInstance().deleteNode(node);
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_UPDATE_LOCAL:
|
|
|
updateLocalNode(node, c);
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_UPDATE_REMOTE:
|
|
|
updateRemoteNode(node, c);
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_UPDATE_CONFLICT:
|
|
|
// merging both modifications maybe a good idea
|
|
|
// right now just use local update simply
|
|
|
updateRemoteNode(node, c);
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_NONE:
|
|
|
break;
|
|
|
case Node.SYNC_ACTION_ERROR:
|
|
|
default:
|
|
|
throw new ActionFailureException("unkown sync action type");
|
|
|
}
|
|
|
}
|
|
|
/**实现功能：本地增加Node */
|
|
|
private void addLocalNode(Node node) throws NetworkFailureException {
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
SqlNote sqlNote;
|
|
|
if (node instanceof TaskList) {
|
|
|
if (node.getName().equals(
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
|
|
|
} else if (node.getName().equals(
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) {
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER);
|
|
|
} else {
|
|
|
sqlNote = new SqlNote(mContext);
|
|
|
sqlNote.setContent(node.getLocalJSONFromContent());
|
|
|
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
|
|
|
}
|
|
|
} else {
|
|
|
sqlNote = new SqlNote(mContext);
|
|
|
JSONObject js = node.getLocalJSONFromContent();
|
|
|
try {
|
|
|
if (js.has(GTaskStringUtils.META_HEAD_NOTE)) {
|
|
|
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
|
|
|
if (note.has(NoteColumns.ID)) {
|
|
|
long id = note.getLong(NoteColumns.ID);
|
|
|
if (DataUtils.existInNoteDatabase(mContentResolver, id)) {
|
|
|
// the id is not available, have to create a new one
|
|
|
note.remove(NoteColumns.ID);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
if (js.has(GTaskStringUtils.META_HEAD_DATA)) {
|
|
|
JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA);
|
|
|
for (int i = 0; i < dataArray.length(); i++) {
|
|
|
JSONObject data = dataArray.getJSONObject(i);
|
|
|
if (data.has(DataColumns.ID)) {
|
|
|
long dataId = data.getLong(DataColumns.ID);
|
|
|
if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
|
|
|
// the data id is not available, have to create
|
|
|
// a new one
|
|
|
data.remove(DataColumns.ID);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
|
|
} catch (JSONException e) {
|
|
|
Log.w(TAG, e.toString());
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
sqlNote.setContent(js);
|
|
|
|
|
|
Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
|
|
|
if (parentId == null) {
|
|
|
Log.e(TAG, "cannot find task's parent id locally");
|
|
|
throw new ActionFailureException("cannot add local node");
|
|
|
}
|
|
|
sqlNote.setParentId(parentId.longValue());
|
|
|
}
|
|
|
|
|
|
// create the local node
|
|
|
sqlNote.setGtaskId(node.getGid());
|
|
|
sqlNote.commit(false);
|
|
|
|
|
|
// update gid-nid mapping
|
|
|
mGidToNid.put(node.getGid(), sqlNote.getId());
|
|
|
mNidToGid.put(sqlNote.getId(), node.getGid());
|
|
|
|
|
|
// update meta
|
|
|
updateRemoteMeta(node.getGid(), sqlNote);
|
|
|
}
|
|
|
/**实现功能：更新本地Node */
|
|
|
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
SqlNote sqlNote;
|
|
|
// update the note locally
|
|
|
sqlNote = new SqlNote(mContext, c);
|
|
|
sqlNote.setContent(node.getLocalJSONFromContent());
|
|
|
|
|
|
Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid())
|
|
|
: new Long(Notes.ID_ROOT_FOLDER);
|
|
|
if (parentId == null) {
|
|
|
Log.e(TAG, "cannot find task's parent id locally");
|
|
|
throw new ActionFailureException("cannot update local node");
|
|
|
}
|
|
|
sqlNote.setParentId(parentId.longValue());
|
|
|
sqlNote.commit(true);
|
|
|
|
|
|
// update meta info
|
|
|
updateRemoteMeta(node.getGid(), sqlNote);
|
|
|
}
|
|
|
/**实现功能：远程增加node */
|
|
|
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
SqlNote sqlNote = new SqlNote(mContext, c);//从本地mContext中获取内容
|
|
|
Node n;
|
|
|
|
|
|
// update remotely
|
|
|
if (sqlNote.isNoteType()) {
|
|
|
Task task = new Task();
|
|
|
task.setContentByLocalJSON(sqlNote.getContent());
|
|
|
|
|
|
String parentGid = mNidToGid.get(sqlNote.getParentId());
|
|
|
if (parentGid == null) {
|
|
|
Log.e(TAG, "cannot find task's parent tasklist");//调试信息
|
|
|
throw new ActionFailureException("cannot add remote task");
|
|
|
}
|
|
|
mGTaskListHashMap.get(parentGid).addChildTask(task);//在本地生成的GTaskList中增加子结点
|
|
|
//登录远程服务器，创建Task
|
|
|
GTaskClient.getInstance().createTask(task);
|
|
|
n = (Node) task;
|
|
|
|
|
|
// add meta
|
|
|
updateRemoteMeta(task.getGid(), sqlNote);
|
|
|
} else {
|
|
|
TaskList tasklist = null;
|
|
|
|
|
|
// we need to skip folder if it has already existed
|
|
|
String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX;
|
|
|
if (sqlNote.getId() == Notes.ID_ROOT_FOLDER)
|
|
|
folderName += GTaskStringUtils.FOLDER_DEFAULT;
|
|
|
else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER)
|
|
|
folderName += GTaskStringUtils.FOLDER_CALL_NOTE;
|
|
|
else
|
|
|
folderName += sqlNote.getSnippet();
|
|
|
//iterator迭代器，通过统一的接口迭代所有的map元素
|
|
|
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
|
|
|
while (iter.hasNext()) {
|
|
|
Map.Entry<String, TaskList> entry = iter.next();
|
|
|
String gid = entry.getKey();
|
|
|
TaskList list = entry.getValue();
|
|
|
|
|
|
if (list.getName().equals(folderName)) {
|
|
|
tasklist = list;
|
|
|
if (mGTaskHashMap.containsKey(gid)) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
}
|
|
|
break;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// no match we can add now
|
|
|
if (tasklist == null) {
|
|
|
tasklist = new TaskList();
|
|
|
tasklist.setContentByLocalJSON(sqlNote.getContent());
|
|
|
GTaskClient.getInstance().createTaskList(tasklist);
|
|
|
mGTaskListHashMap.put(tasklist.getGid(), tasklist);
|
|
|
}
|
|
|
n = (Node) tasklist;
|
|
|
}
|
|
|
|
|
|
// update local note
|
|
|
sqlNote.setGtaskId(n.getGid());
|
|
|
sqlNote.commit(false);
|
|
|
sqlNote.resetLocalModified();
|
|
|
sqlNote.commit(true);
|
|
|
|
|
|
// gid-id mapping
|
|
|
//创建id间的映射
|
|
|
mGidToNid.put(n.getGid(), sqlNote.getId());
|
|
|
mNidToGid.put(sqlNote.getId(), n.getGid());
|
|
|
}
|
|
|
/**实现功能：更新远端的Node，包含meta更新 */
|
|
|
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
SqlNote sqlNote = new SqlNote(mContext, c);
|
|
|
|
|
|
// update remotely
|
|
|
node.setContentByLocalJSON(sqlNote.getContent());
|
|
|
GTaskClient.getInstance().addUpdateNode(node);//GTaskClient用途为从本地登录远端服务器
|
|
|
|
|
|
// update meta
|
|
|
updateRemoteMeta(node.getGid(), sqlNote);
|
|
|
|
|
|
// move task if necessary
|
|
|
if (sqlNote.isNoteType()) {
|
|
|
Task task = (Task) node;
|
|
|
TaskList preParentList = task.getParent();
|
|
|
//preParentList为通过node获取的父节点列表
|
|
|
String curParentGid = mNidToGid.get(sqlNote.getParentId());
|
|
|
//curParentGid为通过光标在数据库中找到sqlNote的mParentId，再通过mNidToGid有long类型转为String类型的Gid
|
|
|
if (curParentGid == null) {
|
|
|
Log.e(TAG, "cannot find task's parent tasklist");
|
|
|
throw new ActionFailureException("cannot update remote task");
|
|
|
}
|
|
|
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
|
|
|
//通过HashMap找到对应的Gid的TaskList
|
|
|
if (preParentList != curParentList) {
|
|
|
preParentList.removeChildTask(task);
|
|
|
curParentList.addChildTask(task);
|
|
|
GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// clear local modified flag
|
|
|
sqlNote.resetLocalModified();
|
|
|
//commit到本地数据库
|
|
|
sqlNote.commit(true);
|
|
|
}
|
|
|
/**实现功能：升级远程meta，meta---元数据---计算机文件系统管理数据---管理数据的数据 */
|
|
|
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
|
|
|
if (sqlNote != null && sqlNote.isNoteType()) {
|
|
|
MetaData metaData = mMetaHashMap.get(gid);
|
|
|
if (metaData != null) {
|
|
|
metaData.setMeta(gid, sqlNote.getContent());
|
|
|
GTaskClient.getInstance().addUpdateNode(metaData);
|
|
|
} else {
|
|
|
metaData = new MetaData();
|
|
|
metaData.setMeta(gid, sqlNote.getContent());
|
|
|
mMetaList.addChildTask(metaData);
|
|
|
mMetaHashMap.put(gid, metaData);
|
|
|
GTaskClient.getInstance().createTask(metaData);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
/**实现功能：刷新本地，给sync的ID对应上最后更改过的对象 */
|
|
|
private void refreshLocalSyncId() throws NetworkFailureException {
|
|
|
if (mCancelled) {
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
// get the latest gtask list
|
|
|
//获取最近的gtask list
|
|
|
mGTaskHashMap.clear();
|
|
|
mGTaskListHashMap.clear();
|
|
|
mMetaHashMap.clear();
|
|
|
initGTaskList();
|
|
|
|
|
|
Cursor c = null;
|
|
|
try {
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
|
|
|
"(type<>? AND parent_id<>?)", new String[] {
|
|
|
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
|
|
|
}, NoteColumns.TYPE + " DESC");//query语句：五个参数，NoteColumns.TYPE + "DESC"-----为按类型递减顺序返回查询结果，new String[]{String.valueof(Notes.TYPE_SYSTEM),
|
|
|
//String.valueof(Notes.ID_TRASH_FOLER)}-----为选择参数，"(type<>?AND parent_id<>?)"------指明返回行过滤器，SqlNote.PROJECTION_NOTE-----对应返回的数据列的名字，
|
|
|
//Notes.CONTENT_NOTE_URI------contentProvider包含所有数据集所对应的uri
|
|
|
if (c != null) {
|
|
|
while (c.moveToNext()) {
|
|
|
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
Node node = mGTaskHashMap.get(gid);
|
|
|
if (node != null) {
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
ContentValues values = new ContentValues();//在ContentValues中创建键值对，准备通过contentResolver写入数据
|
|
|
values.put(NoteColumns.SYNC_ID, node.getLastModified());
|
|
|
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,//进行批量更改，选择参数为NULL，应该可以用insert替换，参数分别为表名和需要更新的value对象
|
|
|
c.getLong(SqlNote.ID_COLUMN)), values, null, null);
|
|
|
} else {
|
|
|
Log.e(TAG, "something is missed");
|
|
|
throw new ActionFailureException(
|
|
|
"some local items don't have gid after sync");
|
|
|
}
|
|
|
}
|
|
|
} else {
|
|
|
Log.w(TAG, "failed to query local note to refresh sync id");
|
|
|
}
|
|
|
} finally {
|
|
|
if (c != null) {
|
|
|
c.close();
|
|
|
c = null;
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
/**实现功能：获取同步账号，mAccount.name */
|
|
|
public String getSyncAccount() {
|
|
|
return GTaskClient.getInstance().getSyncAccount().name;
|
|
|
}
|
|
|
/**实现功能：取消同步，置mCancelled 为 true */
|
|
|
public void cancelSync() {
|
|
|
mCancelled = true;
|
|
|
}
|
|
|
}
|
