Merge pull request 'lqsyyds' (#17) from liqiushi_branch into main

main
ps249eph7 11 months ago
commit a83df6b7e1

@ -15,14 +15,34 @@
*/
package net.micode.notes.gtask.exception;
/**
* @aPackage : net.micode.notes.gtask.exception
* @aClassName: ActionFailureException
* @Description:
* ActionFailureException RuntimeException
* RuntimeException Java
* RuntimeException
*
* ActionFailureException
* 便
* @aAuthor: Li Qiushi
* @createdate: 12/24/2023 19:31 PM
*/
public class ActionFailureException extends RuntimeException {
private static final long serialVersionUID = 4425249765923293627L;
/*
* serialVersionUIDjava
* serialVersionUID
*/
public ActionFailureException() {
super();
}
/*
* JAVA使superthis.
* new
* 使super
* super()super (paramString)Exception ()Exception (paramString)
*/
public ActionFailureException(String paramString) {
super(paramString);
}

@ -15,14 +15,30 @@
*/
package net.micode.notes.gtask.exception;
/**
* @aPackage : net.micode.notes.gtask.exception
* @aClassName: NetworkFailureException
* @Description:
* Java Exception
* JavaException
* RuntimeException
*
* Exception便
* @aAuthor: Li Qiushi
* @createdate: 12/24/2023 19:31 PM
*/
public class NetworkFailureException extends Exception {
private static final long serialVersionUID = 2107610287180234136L;
/*
* serialVersionUIDjava
* serialVersionUID
*/
public NetworkFailureException() {
super();
}
/*
super()ActionFailureException
*/
public NetworkFailureException(String paramString) {
super(paramString);
}

@ -27,8 +27,19 @@ import android.os.AsyncTask;
import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* @aPackage : net.micode.notes.gtask.remote
* @aClassName: GTaskASyncTask
* @Description:
* GTask
*
* showNotification(int tickerId, String content)
* doInBackground(Void... unused) 线
* onProgressUpdate(String... progress) 使 线
* onPostExecute(Integer result) Handler UI使doInBackground UI
* @aAuthor: Li Qiushi
* @createdate: 12/24/2023 19:31 PM
*/
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
@ -48,6 +59,9 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
/*
NotificationManagermNotifiManager
*/
mNotifiManager = (NotificationManager) mContext
.getSystemService(Context.NOTIFICATION_SERVICE);
mTaskManager = GTaskManager.getInstance();
@ -57,18 +71,19 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
mTaskManager.cancelSync();
}
public void publishProgess(String message) {
public void publishProgess(String message) {//发布进度单位系统将会调用onProgressUpdate()方法更新这些值
publishProgress(new String[] {
message
});
}
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.flags = Notification.FLAG_AUTO_CANCEL;
PendingIntent pendingIntent;
/**
*
* tickerId
* content
*/
private void showNotification(int tickerId, String content) {
PendingIntent pendingIntent;//一个描述了想要启动一个Activity、Broadcast或是Service的意图
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
@ -77,16 +92,41 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
/*
NotesPreferenceActivityPendingIntent
NotesListActivityPendingIntent
*/
Notification.Builder builder = new Notification.Builder(mContext)
.setAutoCancel(true)
.setContentTitle(mContext.getString(R.string.app_name))
.setContentText(content)
.setContentIntent(pendingIntent)
.setWhen(System.currentTimeMillis())
.setOngoing(true);
Notification notification=builder.getNotification();
//通过NotificationManager对象的notify方法来执行一个notification的消息
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
/**
*线线
* Integerunused使
*/
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
/*
publishProgessNotesPreferenceActivity.getSyncAccountName(mContext)
getString,sync_progress_login
*/
return mTaskManager.sync(mContext, this);
/*
syncmContextthis
*/
}
@Override
@ -97,6 +137,15 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
}
}
/**
* UI,
* showNotification
*
* GTaskManager.STATE_SUCCESS
* GTaskManager.STATE_NETWORK_ERROR
* GTaskManager.STATE_INTERNAL_ERROR
* GTaskManager.STATE_SYNC_CANCELLED
*/
@Override
protected void onPostExecute(Integer result) {
if (result == GTaskManager.STATE_SUCCESS) {
@ -111,6 +160,9 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
/*
mOnCompleteListener线mOnCompleteListener.onComplete()
*/
if (mOnCompleteListener != null) {
new Thread(new Runnable() {

@ -59,7 +59,15 @@ import java.util.List;
import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
/**
* @aPackage : net.micode.notes.gtask.remote
* @aClassName: GTaskClient
* @Description:
* GTASKGTASK
* 使accountManager JSONObject HttpParams authToken Gid
* @aAuthor: Li Qiushi
* @createdate: 12/24/2023 19:31 PM
*/
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName();
@ -102,6 +110,10 @@ public class GTaskClient {
mUpdateArray = null;
}
/*
* 使 getInstance()
* mInstance
*/
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,42 +121,50 @@ public class GTaskClient {
return mInstance;
}
/*Activity
*
* 使URL使URL
* truefalse
*/
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
//判断距离最后一次登录操作是否超过5分钟
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
// need to re-login after account switch 也就是重新登录
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
mLoggedin = false;
}
//如果没超过时间,则不需要重新登录
if (mLoggedin) {
Log.d(TAG, "already logged in");
return true;
}
mLastLoginTime = System.currentTimeMillis();
String authToken = loginGoogleAccount(activity, false);
mLastLoginTime = System.currentTimeMillis();//更新最后登录时间,改为系统当前的时间
String authToken = loginGoogleAccount(activity, false);//判断是否登录到谷歌账户
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// login with custom domain if necessary
//尝试使用用户自己的域名登录
//将用户账号名改为统一格式(小写)后判断是否为一个谷歌账号地址
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
url.append(suffix + "/");
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
mGetUrl = url.toString() + "ig";//设置用户对应的getUrl
mPostUrl = url.toString() + "r/ig";//设置用户对应的postUrl
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
@ -152,6 +172,7 @@ public class GTaskClient {
}
// try to login with google official url
//如果用户账户无法登录则使用谷歌官方的URI进行登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -164,10 +185,15 @@ public class GTaskClient {
return true;
}
/*
* 使
* 使AccountManager
*
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
Account[] accounts = accountManager.getAccountsByType("com.google");
String authToken; //令牌,是登录操作保证安全性的一个方法
AccountManager accountManager = AccountManager.get(activity);//AccountManager这个类给用户提供了集中注册账号的接口
Account[] accounts = accountManager.getAccountsByType("com.google");//获取全部以com.google结尾的account
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
@ -176,6 +202,7 @@ public class GTaskClient {
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
//遍历获得的accounts信息寻找已经记录过的账户信息
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
@ -190,11 +217,13 @@ public class GTaskClient {
}
// get the token now
//获取选中账号的令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
//如果是invalidateToken那么需要调用invalidateAuthToken(String, String)方法废除这个无效token
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
@ -207,10 +236,13 @@ public class GTaskClient {
return authToken;
}
//尝试登陆Gtask这只是一个预先判断令牌是否是有效以及是否能登上GTask的方法,而不是具体实现登陆的方法
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the
// maybe the auth token is out of authTokedate, now let's invalidate the
// token and try again
//删除过一个无效的authToken申请一个新的后再次尝试登陆
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
@ -225,25 +257,27 @@ public class GTaskClient {
return true;
}
//实现登录GTask的具体操作
private boolean loginGtask(String authToken) {
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
int timeoutSocket = 15000; //socket是一种通信连接实现数据的交换的端口
HttpParams httpParameters = new BasicHttpParams(); //实例化一个新的HTTP参数类
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);//设置连接超时时间
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);//设置设置端口超时时间
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); //设置本地cookie
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
String loginUrl = mGetUrl + "?auth=" + authToken; //设置登录的url
HttpGet httpGet = new HttpGet(loginUrl); //通过登录的uri实例化网页上资源的查找
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the cookie now
//获取CookieStore里存放的cookie,看如果存有“GTL(不知道什么意思)”则说明有验证成功的有效的cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
@ -256,6 +290,7 @@ public class GTaskClient {
}
// get the client version
//获取client的内容具体操作是在返回的Content中截取从_setup(开始到)}</script>中间的字符串内容也就是gtask_url的内容
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -280,10 +315,24 @@ public class GTaskClient {
return true;
}
/*
* 使HttpPost
* httpPost
*/
private int getActionId() {
return mActionId++;
}
/*URL
* 使getContentEncoding()
*
*/
/*
* 使HttpPost
* httpPost
*/
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
@ -291,6 +340,10 @@ public class GTaskClient {
return httpPost;
}
/*URL
* 使getContentEncoding()
*
*/
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
@ -323,43 +376,57 @@ public class GTaskClient {
}
}
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
HttpPost httpPost = createHttpPost();
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
// execute the post
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
}
}
/*JSON
* jsonjs
* UrlEncodedFormEntity entityhttpPost.setEntity(entity)jshttpPost
* 使getResponseContent
* json
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {//未登录
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
//实例化一个httpPost的对象用来向服务器传输数据在这里就是发送请求而请求的内容在js里
HttpPost httpPost = createHttpPost();
try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); //UrlEncodedFormEntity()的形式比较单一,是普通的键值对
httpPost.setEntity(entity);
// execute the post
//执行这个请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
} catch (Exception e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
}
}
/*
* .gtask.data.TaskTask
* jsonTask,jsPost
* postRequest
* 使task.setGidtasknew_ID
*/
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
@ -386,6 +453,9 @@ public class GTaskClient {
}
}
/*
* createTasktasklistgid
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
@ -412,6 +482,11 @@ public class GTaskClient {
}
}
/*
*
* 使JSONObject使jsPost.putPutUpdateArrayClientVersion
* 使postRequestjspost,
*/
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
@ -433,6 +508,10 @@ public class GTaskClient {
}
}
/*
*
* commitUpdate()
*/
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
@ -447,6 +526,12 @@ public class GTaskClient {
}
}
/*
* task,tasktask
* getGidtaskgid
* JSONObject.put(String name, Object value)task
* postRequest
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
@ -463,15 +548,17 @@ public class GTaskClient {
if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
//设置优先级ID只有当移动是发生在文件中
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); //设置移动前所属列表
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); //设置当前所属列表
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
//最后将ACTION_LIST加入到jsPost中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
@ -486,6 +573,11 @@ public class GTaskClient {
}
}
/*
*
* JSON
* 使postRequest
*/
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
try {
@ -494,7 +586,7 @@ public class GTaskClient {
// action_list
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
actionList.put(node.getUpdateAction(getActionId()));//这里会获取到删除操作的ID加入到actionLiast中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
@ -509,6 +601,11 @@ public class GTaskClient {
}
}
/*
*
* GetURI使getResponseContent
* "_setup(")}</script>GTASK_JSON_LISTS
*/
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -521,6 +618,7 @@ public class GTaskClient {
response = mHttpClient.execute(httpGet);
// get the task list
//筛选工作把筛选出的字符串放入jsString
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -531,6 +629,8 @@ public class GTaskClient {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
//获取GTASK_JSON_LISTS
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
Log.e(TAG, e.toString());
@ -547,6 +647,9 @@ public class GTaskClient {
}
}
/*
* TASKListgid,
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
@ -558,7 +661,7 @@ public class GTaskClient {
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); //这里设置为传入的listGid
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
@ -579,6 +682,7 @@ public class GTaskClient {
return mAccount;
}
//重置更新的内容
public void resetUpdateArray() {
mUpdateArray = null;
}

@ -46,8 +46,14 @@ import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
/**
* @aPackage : net.micode.notes.gtask.remote
* @aClassName: GTaskManager
* @Description:
* GTaskD
* @aAuthor: Li Qiushi
* @createdate: 12/24/2023 19:31 PM
*/
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
@ -73,49 +79,67 @@ public class GTaskManager {
private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, TaskList> mGTaskListHashMap = new HashMap<>();
private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, Node> mGTaskHashMap = new HashMap<>();
private HashMap<String, MetaData> mMetaHashMap;
private HashMap<String, MetaData> mMetaHashMap = new HashMap<>();
private TaskList mMetaList;
private TaskList mMetaList = null;
private HashSet<Long> mLocalDeleteIdMap;
private HashSet<Long> mLocalDeleteIdMap = new HashSet<>();
private HashMap<String, Long> mGidToNid;
private HashMap<String, Long> mGidToNid = new HashMap<>();
private HashMap<Long, String> mNidToGid;
private HashMap<Long, String> mNidToGid = new HashMap<>();
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<String, TaskList>();
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>();
}
public static synchronized GTaskManager getInstance() {
/**
* synchronized线
*
* @return GtaskManger
*/
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;
}
/**
* synchronized线
* @param activity
*/
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
// used for getting auth token
mActivity = activity;
}
public int sync(Context context, GTaskASyncTask asyncTask) {
/**
*
* Google
* @param context-----
* @param asyncTask-------
* @return int
*/
public int sync(Context context, GTaskASyncTask asyncTask) { //核心函数
/*(mSyncingtrue)
STATE_SYNC_IN_PROGRESS
*/
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
return STATE_SYNC_IN_PROGRESS;
}
/*
contextmContext(ContentResolver)mContentResolver
mSyncingtruemCancelledfalse
*/
mContext = context;
mContentResolver = mContext.getContentResolver();
mSyncing = true;
@ -127,9 +151,16 @@ public class GTaskManager {
mGidToNid.clear();
mNidToGid.clear();
/**
*GTaskClient
*
* GoogleNetworkFailureException
* Google
*
*/
try {
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
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) {
@ -140,15 +171,15 @@ public class GTaskManager {
// get the task list from google
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList();
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) {
Log.e(TAG, e.toString());
} 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) {
} catch (ActionFailureException e) { //此类异常为操作异常
Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR;
} catch (Exception e) {
@ -164,36 +195,53 @@ public class GTaskManager {
mNidToGid.clear();
mSyncing = false;
}
//根据mCancelled的值返回相应的状态(STATE_SYNC_CANCELLED表示同步已取消STATE_SUCCESS表示同步成功)
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
/**
*GtaskListGoogleJSONtasklistTaskList
*mMetaListmGTaskListHashMapmGTaskHashMap
*@exception NetworkFailureException
*@return void
*/
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
return;
//getInstance即为创建一个实例client应指远端客户机用于与远程服务器进行通信
GTaskClient client = GTaskClient.getInstance();
try {
JSONArray jsTaskLists = client.getTaskLists();
/*JsonName Value()MapJsonObjectbantouyan-jsonJsonJson
{"key1":value1,"key2",value2....};key
ajaxjsjson使
*/
JSONArray jsTaskLists = client.getTaskLists(); //通过调用client.getTaskLists()方法获取远程服务器上的任务列表并将其存储在JSONArray对象jsTaskLists中
// init meta list first
mMetaList = null;
/*
jsTaskListsJSONObjectID
*/
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(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();
mMetaList.setContentByRemoteJSON(object);
/*
TaskList
*/
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();
MetaData metaData = new MetaData(); //继承自Node
metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) {
if (metaData.isWorthSaving()) { //if not worth to savemetadata将不加入mMetaList
mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) {
mMetaHashMap.put(metaData.getRelatedGid(), metaData);
@ -203,7 +251,10 @@ public class GTaskManager {
}
}
// create meta list if not existed
/*
使GTaskClient.getInstance().createTaskList(mMetaList)
*/
if (mMetaList == null) {
mMetaList = new TaskList();
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
@ -211,16 +262,22 @@ public class GTaskManager {
GTaskClient.getInstance().createTaskList(mMetaList);
}
// init task list
/*
jsTaskListsJSONObjectID
*/
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
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);
/*
TaskList
*/
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList();
+ GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList(); //继承自Node
tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
@ -240,26 +297,40 @@ public class GTaskManager {
}
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("initGTaskList: handing JSONObject failed");
/*
JSONExceptionActionFailureException
*/
}
}
private void syncContent() throws NetworkFailureException {
/**
*
* @throws NetworkFailureException
* @return
*/
private void syncContent() throws NetworkFailureException { //本地内容同步操作
int syncType;
Cursor c = null;
String gid;
Node node;
Cursor c = null; //数据库指针
String gid; //GoogleID
Node node; //Node包含Sync_Action的不同类型
mLocalDeleteIdMap.clear();
mLocalDeleteIdMap.clear(); //HashSet<Long>类型
if (mCancelled) {
return;
}
// for local deleted note
/*
IDc
Google IDgidnode
mGTaskHashMapdoContentSync()
IDmLocalDeleteIdMap
*/
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id=?)", new String[] {
@ -286,10 +357,15 @@ public class GTaskManager {
}
}
// sync folder first
//同步文件夹
syncFolder();
// for note existing in database
/*
IDc
Google IDgidnode
mGTaskHashMaphashmap
syncTypedoContentSync()
*/
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
@ -301,8 +377,8 @@ public class GTaskManager {
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);
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) {
@ -327,23 +403,25 @@ public class GTaskManager {
}
// go through remaining items
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
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
/*mCancelledDataUtils.batchDeleteNotes()
ActionFailureException
*/
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("failed to batch-delete local deleted notes");
}
}
// refresh local sync id
/*
ID
*/
if (!mCancelled) {
GTaskClient.getInstance().commitUpdate();
refreshLocalSyncId();
@ -351,6 +429,14 @@ public class GTaskManager {
}
/**
*
*
*
*
* NetworkFailureException
* @throws NetworkFailureException
*/
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
@ -394,7 +480,7 @@ public class GTaskManager {
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null);
if (c != null) {
if (c.moveToNext()) {
@ -476,6 +562,14 @@ public class GTaskManager {
GTaskClient.getInstance().commitUpdate();
}
/**
*
* syncTypeNode
* @param syncType
* @param node
* @param c
* @throws NetworkFailureException
*/
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -522,6 +616,14 @@ public class GTaskManager {
}
}
/**
* Node
*
* TaskListSqlNoteID
* SqlNotegid-nid
* @param node
* @throws NetworkFailureException
*/
private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) {
return;
@ -596,6 +698,14 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
* updatenode
* @param node
* ----
* @param c
* ----Cursor
* @throws NetworkFailureException
*/
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -619,12 +729,21 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
* Node
* updateRemoteMeta
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
SqlNote sqlNote = new SqlNote(mContext, c); //从本地mContext中获取内容
Node n;
// update remotely
@ -634,11 +753,12 @@ public class GTaskManager {
String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
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);
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;
@ -656,6 +776,7 @@ public class GTaskManager {
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();
@ -687,11 +808,19 @@ public class GTaskManager {
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id mapping
// gid-id mapping //创建id间的映射
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
/**
* Nodemeta(updateRemoteMeta)
* @param node
* ----
* @param c
* --Cursor
* @throws NetworkFailureException
*/
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -701,7 +830,7 @@ public class GTaskManager {
// update remotely
node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node);
GTaskClient.getInstance().addUpdateNode(node); //GTaskClient用途为从本地登陆远端服务器
// update meta
updateRemoteMeta(node.getGid(), sqlNote);
@ -710,14 +839,17 @@ public class GTaskManager {
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由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Gid的TaskList
if (preParentList != curParentList) {
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
@ -725,11 +857,19 @@ public class GTaskManager {
}
}
// clear local modified flag
sqlNote.resetLocalModified();
//commit到本地数据库
sqlNote.commit(true);
}
/**
* meta meta----------
* @param gid
* ---GoogleIDString
* @param sqlNote
* ---使SqlNote
* @throws NetworkFailureException
*/
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
@ -746,12 +886,17 @@ public class GTaskManager {
}
}
/**
* syncID
* @return void
* @throws NetworkFailureException
*/
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest gtask list
//获取最近的(最晚的)gtask list
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
@ -762,16 +907,16 @@ public class GTaskManager {
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");
}, 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--------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();
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,
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");
@ -790,10 +935,18 @@ public class GTaskManager {
}
}
/**
* ,mAccount.name
* @return String
*/
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
/**
* mCancelledtrue
* @author TTS
*/
public void cancelSync() {
mCancelled = true;
}

@ -22,7 +22,16 @@ import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
/**
* @aPackage : net.micode.notes.gtask.remote
* @aClassName: GTaskSyncService
* @Description:
* ServiceService
*
* GTask)广
* @aAuthor: Li Qiushi
* @createdate: 12/24/2023 20:15 PM
*/
public class GTaskSyncService extends Service {
public final static String ACTION_STRING_NAME = "sync_action_type";
@ -42,20 +51,28 @@ public class GTaskSyncService extends Service {
private static String mSyncProgress = "";
/**
*
*/
private void startSync() {
/*
mSyncTasknullGTaskASyncTaskmSyncTask
thisLambda
*/
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() {
mSyncTask = null;
sendBroadcast("");
stopSelf();
}
mSyncTask = new GTaskASyncTask(this, () -> {
mSyncTask = null;
sendBroadcast("");
stopSelf();
});
sendBroadcast("");
mSyncTask.execute();
}
}
/**
*
*/
private void cancelSync() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
@ -67,11 +84,20 @@ public class GTaskSyncService extends Service {
mSyncTask = null;
}
/**
*
*
* @param intent
* @param flags
* @param startId
* @return int
*/
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
//两种情况,开始同步或者取消同步
case ACTION_START_SYNC:
startSync();
break;
@ -86,6 +112,9 @@ public class GTaskSyncService extends Service {
return super.onStartCommand(intent, flags, startId);
}
/**
*
*/
@Override
public void onLowMemory() {
if (mSyncTask != null) {
@ -97,24 +126,36 @@ public class GTaskSyncService extends Service {
return null;
}
/**
* 广
* @param msg
*/
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
sendBroadcast(intent);//将intent对象发送出去以便其他组件或服务可以接收到这个广播消息并进行相应的处理
}
/**
* GTaskSyncService
* @param activity
*/
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
activity.startService(intent);//启动GTaskSyncService服务之后服务就会开始执行同步操作
}
/**
*
* @param context
*/
public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);//向Intent对象添加额外的数据
context.startService(intent);
}

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