From 721b048a8a0dc6c04bddfb2f66d7228b1f44fe7f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=B3=BD=E6=89=BF?= <1454116971@qq.com> Date: Mon, 27 Nov 2023 20:45:23 +0800 Subject: [PATCH 1/6] delete OLG--I'm OLD 8 --- OLG--I'm OLD 8/新建 文本文档.txt | 0 1 file changed, 0 insertions(+), 0 deletions(-) delete mode 100644 OLG--I'm OLD 8/新建 文本文档.txt diff --git a/OLG--I'm OLD 8/新建 文本文档.txt b/OLG--I'm OLD 8/新建 文本文档.txt deleted file mode 100644 index e69de29..0000000 From f3a68bc2656e1983b8acbc95e0573130fde247bf Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=B3=BD=E6=89=BF?= <1454116971@qq.com> Date: Mon, 27 Nov 2023 21:00:17 +0800 Subject: [PATCH 2/6] modify ReadMe.txt --- README.md | 4 +++- doc/ReadMe.txt | 0 2 files changed, 3 insertions(+), 1 deletion(-) delete mode 100644 doc/ReadMe.txt diff --git a/README.md b/README.md index 6050b2f..f177442 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,4 @@ # xiaomibianqian -# 所以到底要干嘛？ +# lizecheng +# gtask/exception +# gtask/remote diff --git a/doc/ReadMe.txt b/doc/ReadMe.txt deleted file mode 100644 index e69de29..0000000 From cc8fa017db6e16406c9810a03da43c744e5f7d4b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=B3=BD=E6=89=BF?= <1454116971@qq.com> Date: Mon, 27 Nov 2023 21:25:10 +0800 Subject: [PATCH 3/6] =?UTF-8?q?gtask=20exception=20and=20remote=E5=8C=85?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .idea/.gitignore | 3 + .idea/modules.xml | 8 + .idea/vcs.xml | 6 + .idea/xiaomibianqian.iml | 9 + ActionFailureException.java | 32 ++ GTaskASyncTask.java | 103 +++++ GTaskClient.java | 612 +++++++++++++++++++++++++ GTaskManager.java | 847 +++++++++++++++++++++++++++++++++++ GTaskSyncService.java | 125 ++++++ NetworkFailureException.java | 33 ++ 10 files changed, 1778 insertions(+) create mode 100644 .idea/.gitignore create mode 100644 .idea/modules.xml create mode 100644 .idea/vcs.xml create mode 100644 .idea/xiaomibianqian.iml create mode 100644 ActionFailureException.java create mode 100644 GTaskASyncTask.java create mode 100644 GTaskClient.java create mode 100644 GTaskManager.java create mode 100644 GTaskSyncService.java create mode 100644 NetworkFailureException.java diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..26d3352 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,3 @@ +# Default ignored files +/shelf/ +/workspace.xml diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..ff9567e --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/.idea/xiaomibianqian.iml b/.idea/xiaomibianqian.iml new file mode 100644 index 0000000..d6ebd48 --- /dev/null +++ b/.idea/xiaomibianqian.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/ActionFailureException.java b/ActionFailureException.java new file mode 100644 index 0000000..3ca510d --- /dev/null +++ b/ActionFailureException.java @@ -0,0 +1,32 @@ +/* + * Description：支持小米便签运行过程中的运行异常处理。 + */ + +package net.micode.notes.gtask.exception; + +public class ActionFailureException extends RuntimeException { + private static final long serialVersionUID = 4425249765923293627L; + /* + * serialVersionUID相当于java类的身份证。主要用于版本控制。 + * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 + * Made By Cuican + */ + + public ActionFailureException() { + super(); + } + /* + * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. + * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 + * 怎么去引用里面的父类对象呢？使用super来引用 + * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) + * Made By Cuican + */ + public ActionFailureException(String paramString) { + super(paramString); + } + + public ActionFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} diff --git a/GTaskASyncTask.java b/GTaskASyncTask.java new file mode 100644 index 0000000..bbe6888 --- /dev/null +++ b/GTaskASyncTask.java @@ -0,0 +1,103 @@ + +package net.micode.notes.gtask.remote; + +/*异步操作类，实现GTask的异步操作过程 + * 主要方法： + * private void showNotification(int tickerId, String content) 向用户提示当前同步的状态，是一个用于交互的方法 + * protected Integer doInBackground(Void... unused) 此方法在后台线程执行，完成任务的主要工作，通常需要较长的时间 + * protected void onProgressUpdate(String... progress) 可以使用进度条增加用户体验度。 此方法在主线程执行，用于显示任务执行的进度。 + * protected void onPostExecute(Integer result) 相当于Handler 处理UI的方式，在这里面可以使用在doInBackground 得到的结果处理操作UI + */ +public class GTaskASyncTask extends AsyncTask { + + + private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; + + public interface OnCompleteListener { + void onComplete(); + } + + private Context mContext; + + private NotificationManager mNotifiManager; + + private GTaskManager mTaskManager; + + private OnCompleteListener mOnCompleteListener; + + public GTaskASyncTask(Context context, OnCompleteListener listener) { + mContext = context; + mOnCompleteListener = listener; + mNotifiManager = (NotificationManager) mContext + .getSystemService(Context.NOTIFICATION_SERVICE); + mTaskManager = GTaskManager.getInstance(); + } + + public void cancelSync() { + mTaskManager.cancelSync(); + } + + 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; // 调用系统自带灯光 + notification.flags = Notification.FLAG_AUTO_CANCEL; // 点击清除按钮或点击通知后会自动消失 + 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); //如果同步不成功，那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象 + + } else { + pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, + NotesListActivity.class), 0); //如果同步成功，那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象 + } + notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, + pendingIntent); + mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify（）方法来执行一个notification的消息 + } + + @Override + protected Integer doInBackground(Void... unused) { + publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity + .getSyncAccountName(mContext))); //利用getString,将把 NotesPreferenceActivity.getSyncAccountName(mContext))的字符串内容传进sync_progress_login中 + return mTaskManager.sync(mContext, this); //进行后台同步具体操作 + } + + @Override + protected void onProgressUpdate(String... progress) { + showNotification(R.string.ticker_syncing, progress[0]); + if (mContext instanceof GTaskSyncService) { //instanceof 判断mContext是否是GTaskSyncService的实例 + ((GTaskSyncService) mContext).sendBroadcast(progress[0]); + } + } + + @Override + protected void onPostExecute(Integer result) { //用于在执行完后台任务后更新UI,显示结果 + if (result == GTaskManager.STATE_SUCCESS) { + showNotification(R.string.ticker_success, mContext.getString( + R.string.success_sync_account, mTaskManager.getSyncAccount())); + NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); //设置最新同步的时间 + } else if (result == GTaskManager.STATE_NETWORK_ERROR) { + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); + } else if (result == GTaskManager.STATE_INTERNAL_ERROR) { + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); + } else if (result == GTaskManager.STATE_SYNC_CANCELLED) { + showNotification(R.string.ticker_cancel, mContext + .getString(R.string.error_sync_cancelled)); + } //几种不同情况下的结果显示 + if (mOnCompleteListener != null) { + new Thread(new Runnable() { //这里好像是方法内的一个线程，但是并不太懂什么意思 + + public void run() { //完成后的操作，使用onComplete()将所有值都重新初始化，相当于完成一次操作 + mOnCompleteListener.onComplete(); + } + }).start(); + } + } +} diff --git a/GTaskClient.java b/GTaskClient.java new file mode 100644 index 0000000..8d5fb1e --- /dev/null +++ b/GTaskClient.java @@ -0,0 +1,612 @@ +package net.micode.notes.gtask.remote; + +/* + * 主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容 + * 主要使用类或技术：accountManager JSONObject HttpParams authToken Gid + */ +public class GTaskClient { + private static final String TAG = GTaskClient.class.getSimpleName(); + + private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL + + private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; + + private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig"; + + private static GTaskClient mInstance = null; + + private DefaultHttpClient mHttpClient; + + private String mGetUrl; + + private String mPostUrl; + + private long mClientVersion; + + private boolean mLoggedin; + + private long mLastLoginTime; + + private int mActionId; + + private Account mAccount; + + private JSONArray mUpdateArray; + + private GTaskClient() { + mHttpClient = null; + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + mClientVersion = -1; + mLoggedin = false; + mLastLoginTime = 0; + mActionId = 1; + mAccount = null; + mUpdateArray = null; + } + + /*用来获取的实例化对象 + * 使用 getInstance() + * 返回mInstance这个实例化对象 + */ + public static synchronized GTaskClient getInstance() { + if (mInstance == null) { + mInstance = new GTaskClient(); + } + return mInstance; + } + + /*用来实现登录操作的函数，传入的参数是一个Activity + * 设置登录操作限制时间，如果超时则需要重新登录 + * 有两种登录方式，使用用户自己的URL登录或者使用谷歌官方的URL登录 + * 返回true或者false，即最后是否登陆成功 + */ + 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 重新登录操作 + 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();//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 + if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //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 + .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"; //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; + } + } + + // 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; + if (!tryToLoginGtask(activity, authToken)) { + return false; + } + } + + mLoggedin = true; + return true; + } + + /*具体实现登录谷歌账户的方法 + * 使用令牌机制 + * 使用AccountManager来管理注册账号 + * 返回值是账号的令牌 + */ + private String loginGoogleAccount(Activity activity, boolean invalidateToken) { + 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"); + return null; + } + + 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; + break; + } + } + if (account != null) { + mAccount = account; + } else { + Log.e(TAG, "unable to get an account with the same name in the settings"); + return null; + } + + // get the token now + //获取选中账号的令牌 + AccountManagerFuture 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); + } + } catch (Exception e) { + Log.e(TAG, "get auth token failed"); + authToken = null; + } + + 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 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"); + return false; + } + + if (!loginGtask(authToken)) { + Log.e(TAG, "login gtask failed"); + return false; + } + } + return true; + } + + //实现登录GTask的具体操作 + private boolean loginGtask(String authToken) { + int timeoutConnection = 10000; + 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(); //设置本地cookie + mHttpClient.setCookieStore(localBasicCookieStore); + HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); + + // login gtask + try { + 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 cookies = mHttpClient.getCookieStore().getCookies(); + boolean hasAuthCookie = false; + for (Cookie cookie : cookies) { + if (cookie.getName().contains("GTL")) { + hasAuthCookie = true; + } + } + if (!hasAuthCookie) { + Log.w(TAG, "it seems that there is no auth cookie"); + } + + // 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)}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 = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + if (begin != -1 && end != -1 && begin < end) { + jsString = resString.substring(begin + jsBegin.length(), end); + } + JSONObject js = new JSONObject(jsString); + mClientVersion = js.getLong("v"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return false; + } catch (Exception e) { + // simply catch all exceptions + Log.e(TAG, "httpget gtask_url failed"); + return false; + } + + return true; + } + + private int getActionId() { + return mActionId++; + } + + /*实例化创建一个用于向网络传输数据的对象 + * 使用HttpPost类 + * 返回一个httpPost实例化对象，但里面还没有内容 + */ + private HttpPost createHttpPost() { + HttpPost httpPost = new HttpPost(mPostUrl); + httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); + httpPost.setHeader("AT", "1"); + return httpPost; + } + + /*通过URL获取响应后返回的数据，也就是网络上的数据和资源 + * 使用getContentEncoding()获取网络上的资源和数据 + * 返回值就是获取到的资源 + */ + private String getResponseContent(HttpEntity entity) throws IOException { + String contentEncoding = null; + if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象，如果不为空则使用getContent（）方法创建一个流将数据从网络都过来 + contentEncoding = entity.getContentEncoding().getValue(); + Log.d(TAG, "encoding: " + contentEncoding); + } + + InputStream input = entity.getContent(); + if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库 + input = new GZIPInputStream(entity.getContent()); + } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法，它可以实现无损数据压缩 + Inflater inflater = new Inflater(true); + input = new InflaterInputStream(entity.getContent(), inflater); + } + + try { + InputStreamReader isr = new InputStreamReader(input); + BufferedReader br = new BufferedReader(isr);//是一个包装类，它可以包装字符流，将字符流放入缓存里，先把字符读到缓存里，到缓存满了时候，再读入内存，是为了提供读的效率而设计的 + StringBuilder sb = new StringBuilder(); + + while (true) { + String buff = br.readLine(); + if (buff == null) { + return sb.toString(); + } + sb = sb.append(buff); + } + } finally { + input.close(); + } + } + + /*通过JSON发送请求 + * 请求的具体内容在json的实例化对象js中然后传入 + * 利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中 + * 执行请求后使用getResponseContent方法得到返回的数据和资源 + * 将资源再次放入json后返回 + */ + 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 list = new LinkedList(); + 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"); + } + } + + /*创建单个任务 + * 传入参数是一个.gtask.data.Task包里Task类的对象 + * 利用json获取Task里的内容,并且创建相应的jsPost + * 利用postRequest得到任务的返回信息 + * 使用task.setGid设置task的new_ID + */ + public void createTask(Task task) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + // action_list + actionList.put(task.getCreateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + // post + JSONObject jsResponse = postRequest(jsPost); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( + GTaskStringUtils.GTASK_JSON_RESULTS).get(0); + task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("create task: handing jsonobject failed"); + } + } + + /* + * 创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid + */ + public void createTaskList(TaskList tasklist) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + // action_list + actionList.put(tasklist.getCreateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + // post + JSONObject jsResponse = postRequest(jsPost); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( + GTaskStringUtils.GTASK_JSON_RESULTS).get(0); + tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("create tasklist: handing jsonobject failed"); + } + } + + /* + * 同步更新操作 + * 使用JSONObject进行数据存储，使用jsPost.put，Put的信息包括UpdateArray和ClientVersion + * 使用postRequest发送这个jspost,进行处理 + */ + public void commitUpdate() throws NetworkFailureException { + if (mUpdateArray != null) { + try { + JSONObject jsPost = new JSONObject(); + + // action_list + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + postRequest(jsPost); + mUpdateArray = null; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("commit update: handing jsonobject failed"); + } + } + } + + /* + * 添加更新的事项 + * 调用commitUpdate()实现 + */ + public void addUpdateNode(Node node) throws NetworkFailureException { + if (node != null) { + // too many update items may result in an error + // set max to 10 items + if (mUpdateArray != null && mUpdateArray.length() > 10) { + commitUpdate(); + } + + if (mUpdateArray == null) + mUpdateArray = new JSONArray(); + mUpdateArray.put(node.getUpdateAction(getActionId())); + } + } + + /* + * 移动task,比如讲task移动到不同的task列表中去 + * 通过getGid获取task所属列表的gid + * 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的 + * 最后还是通过postRequest进行更新后的发送 + */ + public void moveTask(Task task, TaskList preParent, TaskList curParent) + throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + JSONObject action = new JSONObject(); + + // action_list + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE); + action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); + action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); + 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()); //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 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + postRequest(jsPost); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("move task: handing jsonobject failed"); + } + } + + /* + * 删除操作节点 + * 还是利用JSON + * 删除过后使用postRequest发送删除后的结果 + */ + public void deleteNode(Node node) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + // action_list + node.setDeleted(true); + 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 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + postRequest(jsPost); + mUpdateArray = null; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("delete node: handing jsonobject failed"); + } + } + + /* + * 获取任务列表 + * 首先通过GetURI使用getResponseContent从网上获取数据 + * 然后筛选出"_setup("到)}的部分，并且从中获取GTASK_JSON_LISTS的内容返回 + */ + public JSONArray getTaskLists() throws NetworkFailureException { + if (!mLoggedin) { + Log.e(TAG, "please login first"); + throw new ActionFailureException("not logged in"); + } + + try { + HttpGet httpGet = new HttpGet(mGetUrl); + HttpResponse response = null; + 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 = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + if (begin != -1 && end != -1 && begin < end) { + 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()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (IOException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task lists: handing jasonobject failed"); + } + } + + /* + * 通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务 + */ + public JSONArray getTaskList(String listGid) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + JSONObject action = new JSONObject(); + + // action_list + 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); //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); + + // client_version + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + JSONObject jsResponse = postRequest(jsPost); + return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task list: handing jsonobject failed"); + } + } + + public Account getSyncAccount() { + return mAccount; + } + + //重置更新的内容 + public void resetUpdateArray() { + mUpdateArray = null; + } +} diff --git a/GTaskManager.java b/GTaskManager.java new file mode 100644 index 0000000..e57a8dc --- /dev/null +++ b/GTaskManager.java @@ -0,0 +1,847 @@ + +package net.micode.notes.gtask.remote; + +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 mGTaskListHashMap; + private HashMap mGTaskHashMap; + private HashMap mMetaHashMap; + private TaskList mMetaList; + private HashSet mLocalDeleteIdMap; + private HashMap mGidToNid; + private HashMap 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(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。 + mGTaskHashMap = new HashMap(); + mMetaHashMap = new HashMap(); + mMetaList = null; + mLocalDeleteIdMap = new HashSet(); + mGidToNid = new HashMap(); //GoogleID to NodeID?? + mNidToGid = new HashMap(); //NodeID to GoogleID???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。 + * 功能：类初始化函数 + * @author TTS + * @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; + } + + /** + * 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。 + * @author TTS + * @param activity + */ + public synchronized void setActivityContext(Activity activity) { + // used for getting auth token + mActivity = activity; + } + + /** + * 核心函数 + * 功能：实现了本地同步操作和远端同步操作 + * @author TTS + * @param context-----获取上下文 + * @param asyncTask-------用于同步的异步操作类 + * @return int + */ + 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; + } + + /** + *功能：初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList。 + *获得的数据存储在mMetaList，mGTaskListHashMap，mGTaskHashMap + *@author TTS + *@exception NetworkFailureException + *@return void + */ + 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(即子元素)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(); //原注释为get task list------lists？？？ + + // 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); //原注释为get action_list------list？？？ + 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，metadata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); //为什么加两遍？？？ + + // 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"); + } + } + + /** + * 功能：本地内容同步操作 + * @throws NetworkFailureException + * @return 无返回值 + */ + 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; //GoogleID?? + Node node; //Node包含Sync_Action的不同类型 + + mLocalDeleteIdMap.clear(); //HashSet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> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器 + while (iter.hasNext()) { + Map.Entry 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 //thread----线程 + // 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(); + } + + } + + /** + * 功能： + * @author TTS + * @throws NetworkFailureException + */ + 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> iter = mGTaskListHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry 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(); + } + + /** + * 功能：syncType分类，addLocalNode，addRemoteNode，deleteNode，updateLocalNode，updateRemoteNode + * @author TTS + * @param syncType + * @param node + * @param c + * @throws NetworkFailureException + */ + 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"); + } + } + + /** + * 功能：本地增加Node + * @author TTS + * @param node + * @throws NetworkFailureException + */ + 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); + } + + /** + * 功能：update本地node + * @author TTS + * @param node + * ----同步操作的基础数据类型 + * @param c + * ----Cursor + * @throws NetworkFailureException + */ + 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); + } + + /** + * 功能：远程增加Node + * 需要updateRemoteMeta + * @author TTS + * @param node + * ----同步操作的基础数据类型 + * @param c + * --Cursor + * @throws NetworkFailureException + */ + 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> iter = mGTaskListHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry 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()); + } + + /** + * 功能：更新远端的Node，包含meta更新(updateRemoteMeta) + * @author TTS + * @param node + * ----同步操作的基础数据类型 + * @param c + * --Cursor + * @throws NetworkFailureException + */ + 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用途为从本地登陆远端服务器 + + // 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); + GTaskClient.getInstance().moveTask(task, preParentList, curParentList); + } + } + + // clear local modified flag + sqlNote.resetLocalModified(); + //commit到本地数据库 + sqlNote.commit(true); + } + + /** + * 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。 + * @author TTS + * @param gid + * ---GoogleID为String类型 + * @param sqlNote + * ---同步前的数据库操作，故使用类SqlNote + * @throws NetworkFailureException + */ + 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); + } + } + } + + /** + * 功能：刷新本地，给sync的ID对应上最后更改过的对象 + * @author TTS + * @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(); + 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--------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; + } + } + } + + /** + * 功能：获取同步账号,mAccount.name + * @author TTS + * @return String + */ + public String getSyncAccount() { + return GTaskClient.getInstance().getSyncAccount().name; + } + + /** + * 功能：取消同步，置mCancelled为true + * @author TTS + */ + public void cancelSync() { + mCancelled = true; + } +} diff --git a/GTaskSyncService.java b/GTaskSyncService.java new file mode 100644 index 0000000..a346f5d --- /dev/null +++ b/GTaskSyncService.java @@ -0,0 +1,125 @@ + +package net.micode.notes.gtask.remote; + +/* + * Service是在一段不定的时间运行在后台，不和用户交互的应用组件 + * 主要方法： + * private void startSync() 启动一个同步工作 + * private void cancelSync() 取消同步 + * public void onCreate() + * public int onStartCommand(Intent intent, int flags, int startId) service生命周期的组成部分，相当于重启service（比如在被暂停之后），而不是创建一个新的service + * public void onLowMemory() 在没有内存的情况下如果存在service则结束掉这的service + * public IBinder onBind() + * public void sendBroadcast(String msg) 发送同步的相关通知 + * public static void startSync(Activity activity) + * public static void cancelSync(Context context) + * public static boolean isSyncing() 判读是否在进行同步 + * public static String getProgressString() 获取当前进度的信息 + */ + +public class GTaskSyncService extends Service { + public final static String ACTION_STRING_NAME = "sync_action_type"; + + public final static int ACTION_START_SYNC = 0; + + public final static int ACTION_CANCEL_SYNC = 1; + + public final static int ACTION_INVALID = 2; + + public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service"; + + public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; + + public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; + + private static GTaskASyncTask mSyncTask = null; + + private static String mSyncProgress = ""; + + //开始一个同步的工作 + private void startSync() { + if (mSyncTask == null) { + mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { + public void onComplete() { + mSyncTask = null; + sendBroadcast(""); + stopSelf(); + } + }); + sendBroadcast(""); + mSyncTask.execute(); //这个函数让任务是以单线程队列方式或线程池队列方式运行 + } + } + + + private void cancelSync() { + if (mSyncTask != null) { + mSyncTask.cancelSync(); + } + } + + @Override + public void onCreate() { //初始化一个service + mSyncTask = null; + } + + @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; + case ACTION_CANCEL_SYNC: + cancelSync(); + break; + default: + break; + } + return START_STICKY; //等待新的intent来是这个service继续运行 + } + return super.onStartCommand(intent, flags, startId); + } + + @Override + public void onLowMemory() { + if (mSyncTask != null) { + mSyncTask.cancelSync(); + } + } + + public IBinder onBind(Intent intent) { //不知道干吗用的 + return null; + } + + public void sendBroadcast(String msg) { + mSyncProgress = msg; + Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent + intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值 + intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); + sendBroadcast(intent); //发送这个通知 + } + + public static void startSync(Activity activity) {//执行一个service，service的内容里的同步动作就是开始同步 + GTaskManager.getInstance().setActivityContext(activity); + Intent intent = new Intent(activity, GTaskSyncService.class); + intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); + activity.startService(intent); + } + + public static void cancelSync(Context context) {//执行一个service，service的内容里的同步动作就是取消同步 + Intent intent = new Intent(context, GTaskSyncService.class); + intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); + context.startService(intent); + } + + public static boolean isSyncing() { + return mSyncTask != null; + } + + public static String getProgressString() { + return mSyncProgress; + } +} diff --git a/NetworkFailureException.java b/NetworkFailureException.java new file mode 100644 index 0000000..a4b8b89 --- /dev/null +++ b/NetworkFailureException.java @@ -0,0 +1,33 @@ +/* + * Description：支持小米便签运行过程中的网络异常处理。 + */ + +package net.micode.notes.gtask.exception; + +public class NetworkFailureException extends Exception { + private static final long serialVersionUID = 2107610287180234136L; + /* + * serialVersionUID相当于java类的身份证。主要用于版本控制。 + * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 + * Made By Cuican + */ + + public NetworkFailureException() { + super(); + } + + /* + * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. + * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 + * 怎么去引用里面的父类对象呢？使用super来引用 + * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) + * Made By Cuican + */ + public NetworkFailureException(String paramString) { + super(paramString); + } + + public NetworkFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} From a06f676b1a4aaa26a3cf996406d03ec8560e9f9b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=B3=BD=E6=89=BF?= <1454116971@qq.com> Date: Mon, 4 Dec 2023 20:34:42 +0800 Subject: [PATCH 4/6] =?UTF-8?q?=E6=BA=90=E7=A0=81=E5=88=86=E6=9E=90gtask/e?= =?UTF-8?q?xception=E5=8C=85=E5=92=8Cgtask/remote=E5=8C=85?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.md | 11 +- src/MiNotes-master/README.md | 2 +- .../exception/ActionFailureException.java | 14 +- .../exception/NetworkFailureException.java | 12 + .../notes/gtask/remote/GTaskASyncTask.java | 59 ++-- .../notes/gtask/remote/GTaskClient.java | 191 ++++++++----- .../notes/gtask/remote/GTaskManager.java | 264 +++++++++++------- .../notes/gtask/remote/GTaskSyncService.java | 44 +-- 8 files changed, 368 insertions(+), 229 deletions(-) diff --git a/README.md b/README.md index f177442..3154dda 100644 --- a/README.md +++ b/README.md @@ -1,4 +1,7 @@ -# xiaomibianqian -# lizecheng -# gtask/exception -# gtask/remote +#小米便签 +#源码分析gtask/exception/ActionFailureException.java +#源码分析gtask/exception/NetworkFailureException.java +#源码分析gtask/remote/GTaskASyncTask.java +#源码分析gtask/remote/GTaskClient.java +#源码分析gtask/remote/GTaskManager.java +#源码分析gtask/remote/GTaskSyncService.java diff --git a/src/MiNotes-master/README.md b/src/MiNotes-master/README.md index 9c1f955..1accc75 100644 --- a/src/MiNotes-master/README.md +++ b/src/MiNotes-master/README.md @@ -9,7 +9,7 @@ 3. 功能建议和综合讨论，请访问MiCode, http://micode.net/forum.php?mod=forumdisplay&fid=38 - +[]() [English] diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/ActionFailureException.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/ActionFailureException.java index 15504be..db44b16 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/ActionFailureException.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/ActionFailureException.java @@ -18,11 +18,22 @@ package net.micode.notes.gtask.exception; public class ActionFailureException extends RuntimeException { private static final long serialVersionUID = 4425249765923293627L; + /* + * serialVersionUID相当于java类的身份证。主要用于版本控制。 + * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 + * Made By Cuican + */ public ActionFailureException() { super(); } - + /* + * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. + * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 + * 怎么去引用里面的父类对象呢？使用super来引用 + * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) + * Made By Cuican + */ public ActionFailureException(String paramString) { super(paramString); } @@ -31,3 +42,4 @@ public class ActionFailureException extends RuntimeException { super(paramString, paramThrowable); } } + diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/NetworkFailureException.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/NetworkFailureException.java index b08cfb1..d65a7f7 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/NetworkFailureException.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/exception/NetworkFailureException.java @@ -18,11 +18,23 @@ package net.micode.notes.gtask.exception; public class NetworkFailureException extends Exception { private static final long serialVersionUID = 2107610287180234136L; + /* + * serialVersionUID相当于java类的身份证。主要用于版本控制。 + * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 + * Made By Cuican + */ public NetworkFailureException() { super(); } + /* + * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. + * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 + * 怎么去引用里面的父类对象呢？使用super来引用 + * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) + * Made By Cuican + */ public NetworkFailureException(String paramString) { super(paramString); } diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskASyncTask.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskASyncTask.java index 56c8e5e..6547e64 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskASyncTask.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskASyncTask.java @@ -17,20 +17,16 @@ package net.micode.notes.gtask.remote; -import android.app.Notification; -import android.app.NotificationManager; -import android.app.PendingIntent; -import android.content.Context; -import android.content.Intent; -import android.os.AsyncTask; - -import net.micode.notes.R; -import net.micode.notes.ui.NotesListActivity; -import net.micode.notes.ui.NotesPreferenceActivity; - - +/*异步操作类，实现GTask的异步操作过程 + * 主要方法： + * private void showNotification(int tickerId, String content) 向用户提示当前同步的状态，是一个用于交互的方法 + * protected Integer doInBackground(Void... unused) 此方法在后台线程执行，完成任务的主要工作，通常需要较长的时间 + * protected void onProgressUpdate(String... progress) 可以使用进度条增加用户体验度。 此方法在主线程执行，用于显示任务执行的进度。 + * protected void onPostExecute(Integer result) 相当于Handler 处理UI的方式，在这里面可以使用在doInBackground 得到的结果处理操作UI + */ public class GTaskASyncTask extends AsyncTask { + private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; public interface OnCompleteListener { @@ -57,53 +53,52 @@ public class GTaskASyncTask extends AsyncTask { 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 + 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; + notification.defaults = Notification.DEFAULT_LIGHTS; // 调用系统自带灯光 + notification.flags = Notification.FLAG_AUTO_CANCEL; // 点击清除按钮或点击通知后会自动消失 + 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); + NotesPreferenceActivity.class), 0); //如果同步不成功，那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象 } else { pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, - NotesListActivity.class), 0); + NotesListActivity.class), 0); //如果同步成功，那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象 } -// notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, -// pendingIntent); - notification.contentIntent = pendingIntent; - mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); + notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, + pendingIntent); + mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify（）方法来执行一个notification的消息 } @Override protected Integer doInBackground(Void... unused) { publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity - .getSyncAccountName(mContext))); - return mTaskManager.sync(mContext, this); + .getSyncAccountName(mContext))); //利用getString,将把 NotesPreferenceActivity.getSyncAccountName(mContext))的字符串内容传进sync_progress_login中 + return mTaskManager.sync(mContext, this); //进行后台同步具体操作 } @Override protected void onProgressUpdate(String... progress) { showNotification(R.string.ticker_syncing, progress[0]); - if (mContext instanceof GTaskSyncService) { + if (mContext instanceof GTaskSyncService) { //instanceof 判断mContext是否是GTaskSyncService的实例 ((GTaskSyncService) mContext).sendBroadcast(progress[0]); } } @Override - protected void onPostExecute(Integer result) { + protected void onPostExecute(Integer result) { //用于在执行完后台任务后更新UI,显示结果 if (result == GTaskManager.STATE_SUCCESS) { showNotification(R.string.ticker_success, mContext.getString( R.string.success_sync_account, mTaskManager.getSyncAccount())); - NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); + NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); //设置最新同步的时间 } else if (result == GTaskManager.STATE_NETWORK_ERROR) { showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); } else if (result == GTaskManager.STATE_INTERNAL_ERROR) { @@ -111,14 +106,14 @@ public class GTaskASyncTask extends AsyncTask { } else if (result == GTaskManager.STATE_SYNC_CANCELLED) { showNotification(R.string.ticker_cancel, mContext .getString(R.string.error_sync_cancelled)); - } + } //几种不同情况下的结果显示 if (mOnCompleteListener != null) { - new Thread(new Runnable() { + new Thread(new Runnable() { //这里好像是方法内的一个线程，但是并不太懂什么意思 - public void run() { + public void run() { //完成后的操作，使用onComplete()将所有值都重新初始化，相当于完成一次操作 mOnCompleteListener.onComplete(); } }).start(); } } -} +} \ No newline at end of file diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskClient.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskClient.java index c67dfdf..48d3212 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskClient.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskClient.java @@ -16,55 +16,14 @@ package net.micode.notes.gtask.remote; -import android.accounts.Account; -import android.accounts.AccountManager; -import android.accounts.AccountManagerFuture; -import android.app.Activity; -import android.os.Bundle; -import android.text.TextUtils; -import android.util.Log; - -import net.micode.notes.gtask.data.Node; -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.GTaskStringUtils; -import net.micode.notes.ui.NotesPreferenceActivity; - -import org.apache.http.HttpEntity; -import org.apache.http.HttpResponse; -import org.apache.http.client.ClientProtocolException; -import org.apache.http.client.entity.UrlEncodedFormEntity; -import org.apache.http.client.methods.HttpGet; -import org.apache.http.client.methods.HttpPost; -import org.apache.http.cookie.Cookie; -import org.apache.http.impl.client.BasicCookieStore; -import org.apache.http.impl.client.DefaultHttpClient; -import org.apache.http.message.BasicNameValuePair; -import org.apache.http.params.BasicHttpParams; -import org.apache.http.params.HttpConnectionParams; -import org.apache.http.params.HttpParams; -import org.apache.http.params.HttpProtocolParams; -import org.json.JSONArray; -import org.json.JSONException; -import org.json.JSONObject; - -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.util.LinkedList; -import java.util.List; -import java.util.zip.GZIPInputStream; -import java.util.zip.Inflater; -import java.util.zip.InflaterInputStream; - - +/* + * 主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容 + * 主要使用类或技术：accountManager JSONObject HttpParams authToken Gid + */ public class GTaskClient { private static final String TAG = GTaskClient.class.getSimpleName(); - private static final String GTASK_URL = "https://mail.google.com/tasks/"; + private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; @@ -102,6 +61,10 @@ public class GTaskClient { mUpdateArray = null; } + /*用来获取的实例化对象 + * 使用 getInstance() + * 返回mInstance这个实例化对象 + */ public static synchronized GTaskClient getInstance() { if (mInstance == null) { mInstance = new GTaskClient(); @@ -109,42 +72,50 @@ public class GTaskClient { return mInstance; } + /*用来实现登录操作的函数，传入的参数是一个Activity + * 设置登录操作限制时间，如果超时则需要重新登录 + * 有两种登录方式，使用用户自己的URL登录或者使用谷歌官方的URL登录 + * 返回true或者false，即最后是否登陆成功 + */ 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 重新登录操作 if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity - .getSyncAccountName(activity))) { + .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 - if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() + //尝试使用用户自己的域名登录 + if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //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 .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 +123,7 @@ 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 +136,15 @@ public class GTaskClient { return true; } + /*具体实现登录谷歌账户的方法 + * 使用令牌机制 + * 使用AccountManager来管理注册账号 + * 返回值是账号的令牌 + */ 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 +153,7 @@ 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 +168,13 @@ public class GTaskClient { } // get the token now + //获取选中账号的令牌 AccountManagerFuture 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 +187,12 @@ 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 +207,27 @@ 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 cookies = mHttpClient.getCookieStore().getCookies(); boolean hasAuthCookie = false; for (Cookie cookie : cookies) { @@ -256,6 +240,7 @@ 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)}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 = ")}"; @@ -284,6 +269,10 @@ public class GTaskClient { return mActionId++; } + /*实例化创建一个用于向网络传输数据的对象 + * 使用HttpPost类 + * 返回一个httpPost实例化对象，但里面还没有内容 + */ private HttpPost createHttpPost() { HttpPost httpPost = new HttpPost(mPostUrl); httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); @@ -291,24 +280,28 @@ public class GTaskClient { return httpPost; } + /*通过URL获取响应后返回的数据，也就是网络上的数据和资源 + * 使用getContentEncoding()获取网络上的资源和数据 + * 返回值就是获取到的资源 + */ private String getResponseContent(HttpEntity entity) throws IOException { String contentEncoding = null; - if (entity.getContentEncoding() != null) { + if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象，如果不为空则使用getContent（）方法创建一个流将数据从网络都过来 contentEncoding = entity.getContentEncoding().getValue(); Log.d(TAG, "encoding: " + contentEncoding); } InputStream input = entity.getContent(); - if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) { + if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库 input = new GZIPInputStream(entity.getContent()); - } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) { + } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法，它可以实现无损数据压缩 Inflater inflater = new Inflater(true); input = new InflaterInputStream(entity.getContent(), inflater); } try { InputStreamReader isr = new InputStreamReader(input); - BufferedReader br = new BufferedReader(isr); + BufferedReader br = new BufferedReader(isr);//是一个包装类，它可以包装字符流，将字符流放入缓存里，先把字符读到缓存里，到缓存满了时候，再读入内存，是为了提供读的效率而设计的 StringBuilder sb = new StringBuilder(); while (true) { @@ -323,20 +316,28 @@ public class GTaskClient { } } + /*通过JSON发送请求 + * 请求的具体内容在json的实例化对象js中然后传入 + * 利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中 + * 执行请求后使用getResponseContent方法得到返回的数据和资源 + * 将资源再次放入json后返回 + */ private JSONObject postRequest(JSONObject js) throws NetworkFailureException { - if (!mLoggedin) { + 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 list = new LinkedList(); list.add(new BasicNameValuePair("r", js.toString())); - UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); + 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); @@ -360,6 +361,12 @@ public class GTaskClient { } } + /*创建单个任务 + * 传入参数是一个.gtask.data.Task包里Task类的对象 + * 利用json获取Task里的内容,并且创建相应的jsPost + * 利用postRequest得到任务的返回信息 + * 使用task.setGid设置task的new_ID + */ public void createTask(Task task) throws NetworkFailureException { commitUpdate(); try { @@ -386,6 +393,9 @@ public class GTaskClient { } } + /* + * 创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid + */ public void createTaskList(TaskList tasklist) throws NetworkFailureException { commitUpdate(); try { @@ -412,6 +422,11 @@ public class GTaskClient { } } + /* + * 同步更新操作 + * 使用JSONObject进行数据存储，使用jsPost.put，Put的信息包括UpdateArray和ClientVersion + * 使用postRequest发送这个jspost,进行处理 + */ public void commitUpdate() throws NetworkFailureException { if (mUpdateArray != null) { try { @@ -433,6 +448,10 @@ public class GTaskClient { } } + /* + * 添加更新的事项 + * 调用commitUpdate()实现 + */ public void addUpdateNode(Node node) throws NetworkFailureException { if (node != null) { // too many update items may result in an error @@ -447,6 +466,12 @@ public class GTaskClient { } } + /* + * 移动task,比如讲task移动到不同的task列表中去 + * 通过getGid获取task所属列表的gid + * 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的 + * 最后还是通过postRequest进行更新后的发送 + */ public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException { commitUpdate(); @@ -463,15 +488,17 @@ 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 +513,11 @@ public class GTaskClient { } } + /* + * 删除操作节点 + * 还是利用JSON + * 删除过后使用postRequest发送删除后的结果 + */ public void deleteNode(Node node) throws NetworkFailureException { commitUpdate(); try { @@ -494,7 +526,7 @@ 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 +541,11 @@ public class GTaskClient { } } + /* + * 获取任务列表 + * 首先通过GetURI使用getResponseContent从网上获取数据 + * 然后筛选出"_setup("到)}的部分，并且从中获取GTASK_JSON_LISTS的内容返回 + */ public JSONArray getTaskLists() throws NetworkFailureException { if (!mLoggedin) { Log.e(TAG, "please login first"); @@ -521,6 +558,7 @@ 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 = ")}"; @@ -531,6 +569,7 @@ 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 +586,9 @@ public class GTaskClient { } } + /* + * 通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务 + */ public JSONArray getTaskList(String listGid) throws NetworkFailureException { commitUpdate(); try { @@ -558,7 +600,7 @@ 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 +621,7 @@ public class GTaskClient { return mAccount; } + //重置更新的内容 public void resetUpdateArray() { mUpdateArray = null; } diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskManager.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskManager.java index d2b4082..b10e77c 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskManager.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskManager.java @@ -16,104 +16,74 @@ 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 mGTaskListHashMap; - private HashMap mGTaskHashMap; - private HashMap mMetaHashMap; - private TaskList mMetaList; - private HashSet mLocalDeleteIdMap; - private HashMap mGidToNid; - private HashMap mNidToGid; - private GTaskManager() { - mSyncing = false; - mCancelled = false; - mGTaskListHashMap = new HashMap(); + 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(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。 mGTaskHashMap = new HashMap(); mMetaHashMap = new HashMap(); mMetaList = null; mLocalDeleteIdMap = new HashSet(); - mGidToNid = new HashMap(); - mNidToGid = new HashMap(); + mGidToNid = new HashMap(); //GoogleID to NodeID?? + mNidToGid = new HashMap(); //NodeID to GoogleID???通过hashmap散列表建立映射 } - public static synchronized GTaskManager getInstance() { + /** + * 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。 + * 功能：类初始化函数 + * @author TTS + * @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; } + /** + * 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。 + * @author TTS + * @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) { + /** + * 核心函数 + * 功能：实现了本地同步操作和远端同步操作 + * @author TTS + * @param context-----获取上下文 + * @param asyncTask-------用于同步的异步操作类 + * @return int + */ + public int sync(Context context, GTaskASyncTask asyncTask) { //核心函数 if (mSyncing) { - Log.d(TAG, "Sync is in progress"); + 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; @@ -128,8 +98,8 @@ public class GTaskManager { mNidToGid.clear(); 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 +110,15 @@ 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) { @@ -168,32 +138,41 @@ public class GTaskManager { return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS; } + /** + *功能：初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList。 + *获得的数据存储在mMetaList，mGTaskListHashMap，mGTaskHashMap + *@author TTS + *@exception NetworkFailureException + *@return void + */ private void initGTaskList() throws NetworkFailureException { if (mCancelled) return; - GTaskClient client = GTaskClient.getInstance(); + GTaskClient client = GTaskClient.getInstance(); //getInstance即为创建一个实例，client应指远端客户机 try { - JSONArray jsTaskLists = client.getTaskLists(); + //Json对象是Name Value对(即子元素)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(); //原注释为get task list------lists？？？ // init meta list first - mMetaList = null; + mMetaList = null; //TaskList类型 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); + 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); + JSONArray jsMetas = client.getTaskList(gid); //原注释为get action_list------list？？？ 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 save，metadata将不加入mMetaList mMetaList.addChildTask(metaData); if (metaData.getGid() != null) { mMetaHashMap.put(metaData.getRelatedGid(), metaData); @@ -214,16 +193,16 @@ public class GTaskManager { // init task list 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); 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); + mGTaskHashMap.put(gid, tasklist); //为什么加两遍？？？ // load tasks JSONArray jsTasks = client.getTaskList(gid); @@ -247,13 +226,18 @@ public class GTaskManager { } } - private void syncContent() throws NetworkFailureException { + /** + * 功能：本地内容同步操作 + * @throws NetworkFailureException + * @return 无返回值 + */ + 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类型 if (mCancelled) { return; @@ -301,8 +285,8 @@ 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) { @@ -327,14 +311,14 @@ public class GTaskManager { } // go through remaining items - Iterator> iter = mGTaskHashMap.entrySet().iterator(); + Iterator> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器 while (iter.hasNext()) { Map.Entry 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 + // mCancelled can be set by another thread, so we neet to check one by //thread----线程 // one // clear local delete table if (!mCancelled) { @@ -351,6 +335,11 @@ public class GTaskManager { } + /** + * 功能： + * @author TTS + * @throws NetworkFailureException + */ private void syncFolder() throws NetworkFailureException { Cursor c = null; String gid; @@ -394,7 +383,7 @@ 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 +465,14 @@ public class GTaskManager { GTaskClient.getInstance().commitUpdate(); } + /** + * 功能：syncType分类，addLocalNode，addRemoteNode，deleteNode，updateLocalNode，updateRemoteNode + * @author TTS + * @param syncType + * @param node + * @param c + * @throws NetworkFailureException + */ private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { if (mCancelled) { return; @@ -522,6 +519,12 @@ public class GTaskManager { } } + /** + * 功能：本地增加Node + * @author TTS + * @param node + * @throws NetworkFailureException + */ private void addLocalNode(Node node) throws NetworkFailureException { if (mCancelled) { return; @@ -596,6 +599,15 @@ public class GTaskManager { updateRemoteMeta(node.getGid(), sqlNote); } + /** + * 功能：update本地node + * @author TTS + * @param node + * ----同步操作的基础数据类型 + * @param c + * ----Cursor + * @throws NetworkFailureException + */ private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { if (mCancelled) { return; @@ -619,12 +631,22 @@ public class GTaskManager { updateRemoteMeta(node.getGid(), sqlNote); } + /** + * 功能：远程增加Node + * 需要updateRemoteMeta + * @author TTS + * @param node + * ----同步操作的基础数据类型 + * @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 +656,12 @@ 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 +679,7 @@ 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> iter = mGTaskListHashMap.entrySet().iterator(); while (iter.hasNext()) { Map.Entry entry = iter.next(); @@ -687,11 +711,20 @@ 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()); } + /** + * 功能：更新远端的Node，包含meta更新(updateRemoteMeta) + * @author TTS + * @param node + * ----同步操作的基础数据类型 + * @param c + * --Cursor + * @throws NetworkFailureException + */ private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { if (mCancelled) { return; @@ -701,7 +734,7 @@ 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); @@ -710,15 +743,19 @@ 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) { + if (preParentList != curParentList) { //????????????? preParentList.removeChildTask(task); curParentList.addChildTask(task); GTaskClient.getInstance().moveTask(task, preParentList, curParentList); @@ -727,9 +764,19 @@ public class GTaskManager { // clear local modified flag sqlNote.resetLocalModified(); + //commit到本地数据库 sqlNote.commit(true); } + /** + * 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。 + * @author TTS + * @param gid + * ---GoogleID为String类型 + * @param sqlNote + * ---同步前的数据库操作，故使用类SqlNote + * @throws NetworkFailureException + */ private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { if (sqlNote != null && sqlNote.isNoteType()) { MetaData metaData = mMetaHashMap.get(gid); @@ -746,12 +793,18 @@ public class GTaskManager { } } + /** + * 功能：刷新本地，给sync的ID对应上最后更改过的对象 + * @author TTS + * @return void + * @throws NetworkFailureException + */ private void refreshLocalSyncId() throws NetworkFailureException { if (mCancelled) { return; } - // get the latest gtask list + // get the latest gtask list //获取最近的（最晚的）gtask list mGTaskHashMap.clear(); mGTaskListHashMap.clear(); mMetaHashMap.clear(); @@ -762,16 +815,16 @@ 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"); @@ -790,11 +843,20 @@ public class GTaskManager { } } + /** + * 功能：获取同步账号,mAccount.name + * @author TTS + * @return String + */ public String getSyncAccount() { return GTaskClient.getInstance().getSyncAccount().name; } + /** + * 功能：取消同步，置mCancelled为true + * @author TTS + */ public void cancelSync() { mCancelled = true; } -} +} \ No newline at end of file diff --git a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskSyncService.java b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskSyncService.java index cca36f7..b64ec28 100644 --- a/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskSyncService.java +++ b/src/MiNotes-master/app/src/main/java/net/micode/notes/gtask/remote/GTaskSyncService.java @@ -16,12 +16,21 @@ package net.micode.notes.gtask.remote; -import android.app.Activity; -import android.app.Service; -import android.content.Context; -import android.content.Intent; -import android.os.Bundle; -import android.os.IBinder; +/* + * Service是在一段不定的时间运行在后台，不和用户交互的应用组件 + * 主要方法： + * private void startSync() 启动一个同步工作 + * private void cancelSync() 取消同步 + * public void onCreate() + * public int onStartCommand(Intent intent, int flags, int startId) service生命周期的组成部分，相当于重启service（比如在被暂停之后），而不是创建一个新的service + * public void onLowMemory() 在没有内存的情况下如果存在service则结束掉这的service + * public IBinder onBind() + * public void sendBroadcast(String msg) 发送同步的相关通知 + * public static void startSync(Activity activity) + * public static void cancelSync(Context context) + * public static boolean isSyncing() 判读是否在进行同步 + * public static String getProgressString() 获取当前进度的信息 + */ public class GTaskSyncService extends Service { public final static String ACTION_STRING_NAME = "sync_action_type"; @@ -42,6 +51,7 @@ public class GTaskSyncService extends Service { private static String mSyncProgress = ""; + //开始一个同步的工作 private void startSync() { if (mSyncTask == null) { mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { @@ -52,10 +62,11 @@ public class GTaskSyncService extends Service { } }); sendBroadcast(""); - mSyncTask.execute(); + mSyncTask.execute(); //这个函数让任务是以单线程队列方式或线程池队列方式运行 } } + private void cancelSync() { if (mSyncTask != null) { mSyncTask.cancelSync(); @@ -63,7 +74,7 @@ public class GTaskSyncService extends Service { } @Override - public void onCreate() { + public void onCreate() { //初始化一个service mSyncTask = null; } @@ -72,6 +83,7 @@ public class GTaskSyncService extends Service { 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; @@ -81,7 +93,7 @@ public class GTaskSyncService extends Service { default: break; } - return START_STICKY; + return START_STICKY; //等待新的intent来是这个service继续运行 } return super.onStartCommand(intent, flags, startId); } @@ -93,26 +105,26 @@ public class GTaskSyncService extends Service { } } - public IBinder onBind(Intent intent) { + public IBinder onBind(Intent intent) { //不知道干吗用的 return null; } 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 intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent + intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值 intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); - sendBroadcast(intent); + sendBroadcast(intent); //发送这个通知 } - public static void startSync(Activity activity) { + public static void startSync(Activity activity) {//执行一个service，service的内容里的同步动作就是开始同步 GTaskManager.getInstance().setActivityContext(activity); Intent intent = new Intent(activity, GTaskSyncService.class); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); activity.startService(intent); } - public static void cancelSync(Context context) { + public static void cancelSync(Context context) {//执行一个service，service的内容里的同步动作就是取消同步 Intent intent = new Intent(context, GTaskSyncService.class); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); context.startService(intent); @@ -125,4 +137,4 @@ public class GTaskSyncService extends Service { public static String getProgressString() { return mSyncProgress; } -} +} \ No newline at end of file From 1ab8b28935f73c110f8238c1f9a0aa57ea9a992f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=B3=BD=E6=89=BF?= <1454116971@qq.com> Date: Mon, 22 Jan 2024 14:20:41 +0800 Subject: [PATCH 5/6] lizecheng_branch --- ActionFailureException.java | 32 -- GTaskASyncTask.java | 103 ----- GTaskClient.java | 612 ------------------------- GTaskManager.java | 847 ----------------------------------- GTaskSyncService.java | 125 ------ NetworkFailureException.java | 33 -- 6 files changed, 1752 deletions(-) delete mode 100644 ActionFailureException.java delete mode 100644 GTaskASyncTask.java delete mode 100644 GTaskClient.java delete mode 100644 GTaskManager.java delete mode 100644 GTaskSyncService.java delete mode 100644 NetworkFailureException.java diff --git a/ActionFailureException.java b/ActionFailureException.java deleted file mode 100644 index 3ca510d..0000000 --- a/ActionFailureException.java +++ /dev/null @@ -1,32 +0,0 @@ -/* - * Description：支持小米便签运行过程中的运行异常处理。 - */ - -package net.micode.notes.gtask.exception; - -public class ActionFailureException extends RuntimeException { - private static final long serialVersionUID = 4425249765923293627L; - /* - * serialVersionUID相当于java类的身份证。主要用于版本控制。 - * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 - * Made By Cuican - */ - - public ActionFailureException() { - super(); - } - /* - * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. - * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 - * 怎么去引用里面的父类对象呢？使用super来引用 - * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) - * Made By Cuican - */ - public ActionFailureException(String paramString) { - super(paramString); - } - - public ActionFailureException(String paramString, Throwable paramThrowable) { - super(paramString, paramThrowable); - } -} diff --git a/GTaskASyncTask.java b/GTaskASyncTask.java deleted file mode 100644 index bbe6888..0000000 --- a/GTaskASyncTask.java +++ /dev/null @@ -1,103 +0,0 @@ - -package net.micode.notes.gtask.remote; - -/*异步操作类，实现GTask的异步操作过程 - * 主要方法： - * private void showNotification(int tickerId, String content) 向用户提示当前同步的状态，是一个用于交互的方法 - * protected Integer doInBackground(Void... unused) 此方法在后台线程执行，完成任务的主要工作，通常需要较长的时间 - * protected void onProgressUpdate(String... progress) 可以使用进度条增加用户体验度。 此方法在主线程执行，用于显示任务执行的进度。 - * protected void onPostExecute(Integer result) 相当于Handler 处理UI的方式，在这里面可以使用在doInBackground 得到的结果处理操作UI - */ -public class GTaskASyncTask extends AsyncTask { - - - private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; - - public interface OnCompleteListener { - void onComplete(); - } - - private Context mContext; - - private NotificationManager mNotifiManager; - - private GTaskManager mTaskManager; - - private OnCompleteListener mOnCompleteListener; - - public GTaskASyncTask(Context context, OnCompleteListener listener) { - mContext = context; - mOnCompleteListener = listener; - mNotifiManager = (NotificationManager) mContext - .getSystemService(Context.NOTIFICATION_SERVICE); - mTaskManager = GTaskManager.getInstance(); - } - - public void cancelSync() { - mTaskManager.cancelSync(); - } - - 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; // 调用系统自带灯光 - notification.flags = Notification.FLAG_AUTO_CANCEL; // 点击清除按钮或点击通知后会自动消失 - 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); //如果同步不成功，那么从系统取得一个用于启动一个NotesPreferenceActivity的PendingIntent对象 - - } else { - pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, - NotesListActivity.class), 0); //如果同步成功，那么从系统取得一个用于启动一个NotesListActivity的PendingIntent对象 - } - notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, - pendingIntent); - mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);//通过NotificationManager对象的notify（）方法来执行一个notification的消息 - } - - @Override - protected Integer doInBackground(Void... unused) { - publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity - .getSyncAccountName(mContext))); //利用getString,将把 NotesPreferenceActivity.getSyncAccountName(mContext))的字符串内容传进sync_progress_login中 - return mTaskManager.sync(mContext, this); //进行后台同步具体操作 - } - - @Override - protected void onProgressUpdate(String... progress) { - showNotification(R.string.ticker_syncing, progress[0]); - if (mContext instanceof GTaskSyncService) { //instanceof 判断mContext是否是GTaskSyncService的实例 - ((GTaskSyncService) mContext).sendBroadcast(progress[0]); - } - } - - @Override - protected void onPostExecute(Integer result) { //用于在执行完后台任务后更新UI,显示结果 - if (result == GTaskManager.STATE_SUCCESS) { - showNotification(R.string.ticker_success, mContext.getString( - R.string.success_sync_account, mTaskManager.getSyncAccount())); - NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); //设置最新同步的时间 - } else if (result == GTaskManager.STATE_NETWORK_ERROR) { - showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); - } else if (result == GTaskManager.STATE_INTERNAL_ERROR) { - showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); - } else if (result == GTaskManager.STATE_SYNC_CANCELLED) { - showNotification(R.string.ticker_cancel, mContext - .getString(R.string.error_sync_cancelled)); - } //几种不同情况下的结果显示 - if (mOnCompleteListener != null) { - new Thread(new Runnable() { //这里好像是方法内的一个线程，但是并不太懂什么意思 - - public void run() { //完成后的操作，使用onComplete()将所有值都重新初始化，相当于完成一次操作 - mOnCompleteListener.onComplete(); - } - }).start(); - } - } -} diff --git a/GTaskClient.java b/GTaskClient.java deleted file mode 100644 index 8d5fb1e..0000000 --- a/GTaskClient.java +++ /dev/null @@ -1,612 +0,0 @@ -package net.micode.notes.gtask.remote; - -/* - * 主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容 - * 主要使用类或技术：accountManager JSONObject HttpParams authToken Gid - */ -public class GTaskClient { - private static final String TAG = GTaskClient.class.getSimpleName(); - - private static final String GTASK_URL = "https://mail.google.com/tasks/"; //这个是指定的URL - - private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; - - private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig"; - - private static GTaskClient mInstance = null; - - private DefaultHttpClient mHttpClient; - - private String mGetUrl; - - private String mPostUrl; - - private long mClientVersion; - - private boolean mLoggedin; - - private long mLastLoginTime; - - private int mActionId; - - private Account mAccount; - - private JSONArray mUpdateArray; - - private GTaskClient() { - mHttpClient = null; - mGetUrl = GTASK_GET_URL; - mPostUrl = GTASK_POST_URL; - mClientVersion = -1; - mLoggedin = false; - mLastLoginTime = 0; - mActionId = 1; - mAccount = null; - mUpdateArray = null; - } - - /*用来获取的实例化对象 - * 使用 getInstance() - * 返回mInstance这个实例化对象 - */ - public static synchronized GTaskClient getInstance() { - if (mInstance == null) { - mInstance = new GTaskClient(); - } - return mInstance; - } - - /*用来实现登录操作的函数，传入的参数是一个Activity - * 设置登录操作限制时间，如果超时则需要重新登录 - * 有两种登录方式，使用用户自己的URL登录或者使用谷歌官方的URL登录 - * 返回true或者false，即最后是否登陆成功 - */ - 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 重新登录操作 - 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();//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 - if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() //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 - .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"; //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; - } - } - - // 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; - if (!tryToLoginGtask(activity, authToken)) { - return false; - } - } - - mLoggedin = true; - return true; - } - - /*具体实现登录谷歌账户的方法 - * 使用令牌机制 - * 使用AccountManager来管理注册账号 - * 返回值是账号的令牌 - */ - private String loginGoogleAccount(Activity activity, boolean invalidateToken) { - 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"); - return null; - } - - 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; - break; - } - } - if (account != null) { - mAccount = account; - } else { - Log.e(TAG, "unable to get an account with the same name in the settings"); - return null; - } - - // get the token now - //获取选中账号的令牌 - AccountManagerFuture 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); - } - } catch (Exception e) { - Log.e(TAG, "get auth token failed"); - authToken = null; - } - - 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 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"); - return false; - } - - if (!loginGtask(authToken)) { - Log.e(TAG, "login gtask failed"); - return false; - } - } - return true; - } - - //实现登录GTask的具体操作 - private boolean loginGtask(String authToken) { - int timeoutConnection = 10000; - 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(); //设置本地cookie - mHttpClient.setCookieStore(localBasicCookieStore); - HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); - - // login gtask - try { - 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 cookies = mHttpClient.getCookieStore().getCookies(); - boolean hasAuthCookie = false; - for (Cookie cookie : cookies) { - if (cookie.getName().contains("GTL")) { - hasAuthCookie = true; - } - } - if (!hasAuthCookie) { - Log.w(TAG, "it seems that there is no auth cookie"); - } - - // 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)}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 = ")}"; - int begin = resString.indexOf(jsBegin); - int end = resString.lastIndexOf(jsEnd); - String jsString = null; - if (begin != -1 && end != -1 && begin < end) { - jsString = resString.substring(begin + jsBegin.length(), end); - } - JSONObject js = new JSONObject(jsString); - mClientVersion = js.getLong("v"); - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - return false; - } catch (Exception e) { - // simply catch all exceptions - Log.e(TAG, "httpget gtask_url failed"); - return false; - } - - return true; - } - - private int getActionId() { - return mActionId++; - } - - /*实例化创建一个用于向网络传输数据的对象 - * 使用HttpPost类 - * 返回一个httpPost实例化对象，但里面还没有内容 - */ - private HttpPost createHttpPost() { - HttpPost httpPost = new HttpPost(mPostUrl); - httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); - httpPost.setHeader("AT", "1"); - return httpPost; - } - - /*通过URL获取响应后返回的数据，也就是网络上的数据和资源 - * 使用getContentEncoding()获取网络上的资源和数据 - * 返回值就是获取到的资源 - */ - private String getResponseContent(HttpEntity entity) throws IOException { - String contentEncoding = null; - if (entity.getContentEncoding() != null) {//通过URL得到HttpEntity对象，如果不为空则使用getContent（）方法创建一个流将数据从网络都过来 - contentEncoding = entity.getContentEncoding().getValue(); - Log.d(TAG, "encoding: " + contentEncoding); - } - - InputStream input = entity.getContent(); - if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {//GZIP是使用DEFLATE进行压缩数据的另一个压缩库 - input = new GZIPInputStream(entity.getContent()); - } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {//DEFLATE是一个无专利的压缩算法，它可以实现无损数据压缩 - Inflater inflater = new Inflater(true); - input = new InflaterInputStream(entity.getContent(), inflater); - } - - try { - InputStreamReader isr = new InputStreamReader(input); - BufferedReader br = new BufferedReader(isr);//是一个包装类，它可以包装字符流，将字符流放入缓存里，先把字符读到缓存里，到缓存满了时候，再读入内存，是为了提供读的效率而设计的 - StringBuilder sb = new StringBuilder(); - - while (true) { - String buff = br.readLine(); - if (buff == null) { - return sb.toString(); - } - sb = sb.append(buff); - } - } finally { - input.close(); - } - } - - /*通过JSON发送请求 - * 请求的具体内容在json的实例化对象js中然后传入 - * 利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中 - * 执行请求后使用getResponseContent方法得到返回的数据和资源 - * 将资源再次放入json后返回 - */ - 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 list = new LinkedList(); - 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"); - } - } - - /*创建单个任务 - * 传入参数是一个.gtask.data.Task包里Task类的对象 - * 利用json获取Task里的内容,并且创建相应的jsPost - * 利用postRequest得到任务的返回信息 - * 使用task.setGid设置task的new_ID - */ - public void createTask(Task task) throws NetworkFailureException { - commitUpdate(); - try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - - // action_list - actionList.put(task.getCreateAction(getActionId())); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); - - // client_version - jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - - // post - JSONObject jsResponse = postRequest(jsPost); - JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( - GTaskStringUtils.GTASK_JSON_RESULTS).get(0); - task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("create task: handing jsonobject failed"); - } - } - - /* - * 创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid - */ - public void createTaskList(TaskList tasklist) throws NetworkFailureException { - commitUpdate(); - try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - - // action_list - actionList.put(tasklist.getCreateAction(getActionId())); - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); - - // client version - jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - - // post - JSONObject jsResponse = postRequest(jsPost); - JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( - GTaskStringUtils.GTASK_JSON_RESULTS).get(0); - tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("create tasklist: handing jsonobject failed"); - } - } - - /* - * 同步更新操作 - * 使用JSONObject进行数据存储，使用jsPost.put，Put的信息包括UpdateArray和ClientVersion - * 使用postRequest发送这个jspost,进行处理 - */ - public void commitUpdate() throws NetworkFailureException { - if (mUpdateArray != null) { - try { - JSONObject jsPost = new JSONObject(); - - // action_list - jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray); - - // client_version - jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - - postRequest(jsPost); - mUpdateArray = null; - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("commit update: handing jsonobject failed"); - } - } - } - - /* - * 添加更新的事项 - * 调用commitUpdate()实现 - */ - public void addUpdateNode(Node node) throws NetworkFailureException { - if (node != null) { - // too many update items may result in an error - // set max to 10 items - if (mUpdateArray != null && mUpdateArray.length() > 10) { - commitUpdate(); - } - - if (mUpdateArray == null) - mUpdateArray = new JSONArray(); - mUpdateArray.put(node.getUpdateAction(getActionId())); - } - } - - /* - * 移动task,比如讲task移动到不同的task列表中去 - * 通过getGid获取task所属列表的gid - * 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的 - * 最后还是通过postRequest进行更新后的发送 - */ - public void moveTask(Task task, TaskList preParent, TaskList curParent) - throws NetworkFailureException { - commitUpdate(); - try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - JSONObject action = new JSONObject(); - - // action_list - action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, - GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE); - action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); - action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); - 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()); //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 - jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - - postRequest(jsPost); - - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("move task: handing jsonobject failed"); - } - } - - /* - * 删除操作节点 - * 还是利用JSON - * 删除过后使用postRequest发送删除后的结果 - */ - public void deleteNode(Node node) throws NetworkFailureException { - commitUpdate(); - try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - - // action_list - node.setDeleted(true); - 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 - jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - - postRequest(jsPost); - mUpdateArray = null; - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("delete node: handing jsonobject failed"); - } - } - - /* - * 获取任务列表 - * 首先通过GetURI使用getResponseContent从网上获取数据 - * 然后筛选出"_setup("到)}的部分，并且从中获取GTASK_JSON_LISTS的内容返回 - */ - public JSONArray getTaskLists() throws NetworkFailureException { - if (!mLoggedin) { - Log.e(TAG, "please login first"); - throw new ActionFailureException("not logged in"); - } - - try { - HttpGet httpGet = new HttpGet(mGetUrl); - HttpResponse response = null; - 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 = ")}"; - int begin = resString.indexOf(jsBegin); - int end = resString.lastIndexOf(jsEnd); - String jsString = null; - if (begin != -1 && end != -1 && begin < end) { - 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()); - e.printStackTrace(); - throw new NetworkFailureException("gettasklists: httpget failed"); - } catch (IOException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new NetworkFailureException("gettasklists: httpget failed"); - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("get task lists: handing jasonobject failed"); - } - } - - /* - * 通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务 - */ - public JSONArray getTaskList(String listGid) throws NetworkFailureException { - commitUpdate(); - try { - JSONObject jsPost = new JSONObject(); - JSONArray actionList = new JSONArray(); - JSONObject action = new JSONObject(); - - // action_list - 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); //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); - - // client_version - jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); - - JSONObject jsResponse = postRequest(jsPost); - return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); - } catch (JSONException e) { - Log.e(TAG, e.toString()); - e.printStackTrace(); - throw new ActionFailureException("get task list: handing jsonobject failed"); - } - } - - public Account getSyncAccount() { - return mAccount; - } - - //重置更新的内容 - public void resetUpdateArray() { - mUpdateArray = null; - } -} diff --git a/GTaskManager.java b/GTaskManager.java deleted file mode 100644 index e57a8dc..0000000 --- a/GTaskManager.java +++ /dev/null @@ -1,847 +0,0 @@ - -package net.micode.notes.gtask.remote; - -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 mGTaskListHashMap; - private HashMap mGTaskHashMap; - private HashMap mMetaHashMap; - private TaskList mMetaList; - private HashSet mLocalDeleteIdMap; - private HashMap mGidToNid; - private HashMap 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(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。 - mGTaskHashMap = new HashMap(); - mMetaHashMap = new HashMap(); - mMetaList = null; - mLocalDeleteIdMap = new HashSet(); - mGidToNid = new HashMap(); //GoogleID to NodeID?? - mNidToGid = new HashMap(); //NodeID to GoogleID???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。 - * 功能：类初始化函数 - * @author TTS - * @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; - } - - /** - * 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。 - * @author TTS - * @param activity - */ - public synchronized void setActivityContext(Activity activity) { - // used for getting auth token - mActivity = activity; - } - - /** - * 核心函数 - * 功能：实现了本地同步操作和远端同步操作 - * @author TTS - * @param context-----获取上下文 - * @param asyncTask-------用于同步的异步操作类 - * @return int - */ - 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; - } - - /** - *功能：初始化GtaskList，获取Google上的JSONtasklist转为本地TaskList。 - *获得的数据存储在mMetaList，mGTaskListHashMap，mGTaskHashMap - *@author TTS - *@exception NetworkFailureException - *@return void - */ - 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(即子元素)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(); //原注释为get task list------lists？？？ - - // 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); //原注释为get action_list------list？？？ - 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，metadata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); //为什么加两遍？？？ - - // 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"); - } - } - - /** - * 功能：本地内容同步操作 - * @throws NetworkFailureException - * @return 无返回值 - */ - 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; //GoogleID?? - Node node; //Node包含Sync_Action的不同类型 - - mLocalDeleteIdMap.clear(); //HashSet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> iter = mGTaskHashMap.entrySet().iterator(); //Iterator迭代器 - while (iter.hasNext()) { - Map.Entry 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 //thread----线程 - // 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(); - } - - } - - /** - * 功能： - * @author TTS - * @throws NetworkFailureException - */ - 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> iter = mGTaskListHashMap.entrySet().iterator(); - while (iter.hasNext()) { - Map.Entry 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(); - } - - /** - * 功能：syncType分类，addLocalNode，addRemoteNode，deleteNode，updateLocalNode，updateRemoteNode - * @author TTS - * @param syncType - * @param node - * @param c - * @throws NetworkFailureException - */ - 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"); - } - } - - /** - * 功能：本地增加Node - * @author TTS - * @param node - * @throws NetworkFailureException - */ - 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); - } - - /** - * 功能：update本地node - * @author TTS - * @param node - * ----同步操作的基础数据类型 - * @param c - * ----Cursor - * @throws NetworkFailureException - */ - 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); - } - - /** - * 功能：远程增加Node - * 需要updateRemoteMeta - * @author TTS - * @param node - * ----同步操作的基础数据类型 - * @param c - * --Cursor - * @throws NetworkFailureException - */ - 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> iter = mGTaskListHashMap.entrySet().iterator(); - while (iter.hasNext()) { - Map.Entry 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()); - } - - /** - * 功能：更新远端的Node，包含meta更新(updateRemoteMeta) - * @author TTS - * @param node - * ----同步操作的基础数据类型 - * @param c - * --Cursor - * @throws NetworkFailureException - */ - 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用途为从本地登陆远端服务器 - - // 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); - GTaskClient.getInstance().moveTask(task, preParentList, curParentList); - } - } - - // clear local modified flag - sqlNote.resetLocalModified(); - //commit到本地数据库 - sqlNote.commit(true); - } - - /** - * 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。 - * @author TTS - * @param gid - * ---GoogleID为String类型 - * @param sqlNote - * ---同步前的数据库操作，故使用类SqlNote - * @throws NetworkFailureException - */ - 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); - } - } - } - - /** - * 功能：刷新本地，给sync的ID对应上最后更改过的对象 - * @author TTS - * @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(); - 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--------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; - } - } - } - - /** - * 功能：获取同步账号,mAccount.name - * @author TTS - * @return String - */ - public String getSyncAccount() { - return GTaskClient.getInstance().getSyncAccount().name; - } - - /** - * 功能：取消同步，置mCancelled为true - * @author TTS - */ - public void cancelSync() { - mCancelled = true; - } -} diff --git a/GTaskSyncService.java b/GTaskSyncService.java deleted file mode 100644 index a346f5d..0000000 --- a/GTaskSyncService.java +++ /dev/null @@ -1,125 +0,0 @@ - -package net.micode.notes.gtask.remote; - -/* - * Service是在一段不定的时间运行在后台，不和用户交互的应用组件 - * 主要方法： - * private void startSync() 启动一个同步工作 - * private void cancelSync() 取消同步 - * public void onCreate() - * public int onStartCommand(Intent intent, int flags, int startId) service生命周期的组成部分，相当于重启service（比如在被暂停之后），而不是创建一个新的service - * public void onLowMemory() 在没有内存的情况下如果存在service则结束掉这的service - * public IBinder onBind() - * public void sendBroadcast(String msg) 发送同步的相关通知 - * public static void startSync(Activity activity) - * public static void cancelSync(Context context) - * public static boolean isSyncing() 判读是否在进行同步 - * public static String getProgressString() 获取当前进度的信息 - */ - -public class GTaskSyncService extends Service { - public final static String ACTION_STRING_NAME = "sync_action_type"; - - public final static int ACTION_START_SYNC = 0; - - public final static int ACTION_CANCEL_SYNC = 1; - - public final static int ACTION_INVALID = 2; - - public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service"; - - public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; - - public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; - - private static GTaskASyncTask mSyncTask = null; - - private static String mSyncProgress = ""; - - //开始一个同步的工作 - private void startSync() { - if (mSyncTask == null) { - mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { - public void onComplete() { - mSyncTask = null; - sendBroadcast(""); - stopSelf(); - } - }); - sendBroadcast(""); - mSyncTask.execute(); //这个函数让任务是以单线程队列方式或线程池队列方式运行 - } - } - - - private void cancelSync() { - if (mSyncTask != null) { - mSyncTask.cancelSync(); - } - } - - @Override - public void onCreate() { //初始化一个service - mSyncTask = null; - } - - @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; - case ACTION_CANCEL_SYNC: - cancelSync(); - break; - default: - break; - } - return START_STICKY; //等待新的intent来是这个service继续运行 - } - return super.onStartCommand(intent, flags, startId); - } - - @Override - public void onLowMemory() { - if (mSyncTask != null) { - mSyncTask.cancelSync(); - } - } - - public IBinder onBind(Intent intent) { //不知道干吗用的 - return null; - } - - public void sendBroadcast(String msg) { - mSyncProgress = msg; - Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); //创建一个新的Intent - intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); //附加INTENT中的相应参数的值 - intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); - sendBroadcast(intent); //发送这个通知 - } - - public static void startSync(Activity activity) {//执行一个service，service的内容里的同步动作就是开始同步 - GTaskManager.getInstance().setActivityContext(activity); - Intent intent = new Intent(activity, GTaskSyncService.class); - intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); - activity.startService(intent); - } - - public static void cancelSync(Context context) {//执行一个service，service的内容里的同步动作就是取消同步 - Intent intent = new Intent(context, GTaskSyncService.class); - intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); - context.startService(intent); - } - - public static boolean isSyncing() { - return mSyncTask != null; - } - - public static String getProgressString() { - return mSyncProgress; - } -} diff --git a/NetworkFailureException.java b/NetworkFailureException.java deleted file mode 100644 index a4b8b89..0000000 --- a/NetworkFailureException.java +++ /dev/null @@ -1,33 +0,0 @@ -/* - * Description：支持小米便签运行过程中的网络异常处理。 - */ - -package net.micode.notes.gtask.exception; - -public class NetworkFailureException extends Exception { - private static final long serialVersionUID = 2107610287180234136L; - /* - * serialVersionUID相当于java类的身份证。主要用于版本控制。 - * serialVersionUID作用是序列化时保持版本的兼容性，即在版本升级时反序列化仍保持对象的唯一性。 - * Made By Cuican - */ - - public NetworkFailureException() { - super(); - } - - /* - * 在JAVA类中使用super来引用父类的成分，用this来引用当前对象. - * 如果一个类从另外一个类继承，我们new这个子类的实例对象的时候，这个子类对象里面会有一个父类对象。 - * 怎么去引用里面的父类对象呢？使用super来引用 - * 也就是说，此处super()以及super (paramString)可认为是Exception ()和Exception (paramString) - * Made By Cuican - */ - public NetworkFailureException(String paramString) { - super(paramString); - } - - public NetworkFailureException(String paramString, Throwable paramThrowable) { - super(paramString, paramThrowable); - } -} From 2bacbe14c0925c53d0b53efcc86a402e95d2b868 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=9D=8E=E6=B3=BD=E6=89=BF?= <1454116971@qq.com> Date: Mon, 22 Jan 2024 14:27:09 +0800 Subject: [PATCH 6/6] lizecheng_branch --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index 3154dda..fc62643 100644 --- a/README.md +++ b/README.md @@ -1,6 +1,8 @@ #小米便签 + #源码分析gtask/exception/ActionFailureException.java #源码分析gtask/exception/NetworkFailureException.java + #源码分析gtask/remote/GTaskASyncTask.java #源码分析gtask/remote/GTaskClient.java #源码分析gtask/remote/GTaskManager.java