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代码注释（真）

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jacky-qiao 8 months ago
parent afe5b77cb2
commit 1d17b6468f
4 changed files with 405 additions and 1072 deletions
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89
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
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@ -1,4 +1,3 @@
/* /*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
* *
@ -15,83 +14,90 @@
* limitations under the License. * limitations under the License.
*/ */
package net.micode.notes.gtask.remote; package net.micode.notes.gtask.remote; // 定义包名
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 android.app.Notification; // 导入通知相关类
import net.micode.notes.ui.NotesListActivity; import android.app.NotificationManager; // 导入通知管理类
import net.micode.notes.ui.NotesPreferenceActivity; import android.app.PendingIntent; // 导入待处理意图类
import android.content.Context; // 导入上下文类
import android.content.Intent; // 导入意图类
import android.os.AsyncTask; // 导入异步任务类
import net.micode.notes.R; // 导入资源文件
import net.micode.notes.ui.NotesListActivity; // 导入笔记列表活动
import net.micode.notes.ui.NotesPreferenceActivity; // 导入笔记偏好设置活动
// 定义GTaskASyncTask类，继承自AsyncTask
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> { public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; // 定义用于同步通知的ID
// 定义完成监听器接口
public interface OnCompleteListener { public interface OnCompleteListener {
void onComplete(); void onComplete(); // 监听完成事件
} }
private Context mContext; private Context mContext; // 上下文
private NotificationManager mNotifiManager; // 通知管理器
private NotificationManager mNotifiManager; private GTaskManager mTaskManager; // 任务管理器
private OnCompleteListener mOnCompleteListener; // 完成监听器
private GTaskManager mTaskManager;
private OnCompleteListener mOnCompleteListener;
// 构造函数，初始化上下文和监听器
public GTaskASyncTask(Context context, OnCompleteListener listener) { public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context; mContext = context; // 设置上下文
mOnCompleteListener = listener; mOnCompleteListener = listener; // 设置完成监听器
mNotifiManager = (NotificationManager) mContext mNotifiManager = (NotificationManager) mContext
.getSystemService(Context.NOTIFICATION_SERVICE); .getSystemService(Context.NOTIFICATION_SERVICE); // 获取通知服务
mTaskManager = GTaskManager.getInstance(); mTaskManager = GTaskManager.getInstance(); // 获取任务管理器实例
} }
// 取消同步
public void cancelSync() { public void cancelSync() {
mTaskManager.cancelSync(); mTaskManager.cancelSync(); // 调用任务管理器的取消同步方法
} }
// 发布进度
public void publishProgess(String message) { public void publishProgess(String message) {
publishProgress(new String[] { publishProgress(new String[] {
message message // 发布进度消息
}); });
} }
// 显示通知的方法
private void showNotification(int tickerId, String content) { private void showNotification(int tickerId, String content) {
// 创建通知对象
Notification notification = new Notification(R.drawable.notification, mContext Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis()); .getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS; notification.defaults = Notification.DEFAULT_LIGHTS; // 设置默认灯光效果
notification.flags = Notification.FLAG_AUTO_CANCEL; notification.flags = Notification.FLAG_AUTO_CANCEL; // 设置自动取消标志
PendingIntent pendingIntent; PendingIntent pendingIntent; // 定义待处理意图
// 根据tickerId判断要跳转的活动
if (tickerId != R.string.ticker_success) { if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0); NotesPreferenceActivity.class), 0); // 启动偏好设置活动
} else { } else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0); NotesListActivity.class), 0); // 启动笔记列表活动
} }
// 设置通知的最新事件信息
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent); pendingIntent);
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); // 发送通知
} }
@Override @Override
protected Integer doInBackground(Void... unused) { protected Integer doInBackground(Void... unused) {
// 发布登录进度
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext))); .getSyncAccountName(mContext)));
return mTaskManager.sync(mContext, this); return mTaskManager.sync(mContext, this); // 调用同步方法并返回状态
} }
@Override @Override
protected void onProgressUpdate(String... progress) { protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]); showNotification(R.string.ticker_syncing, progress[0]); // 显示同步进度通知
// 如果上下文是GTaskSyncService，则广播进度消息
if (mContext instanceof GTaskSyncService) { if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]); ((GTaskSyncService) mContext).sendBroadcast(progress[0]);
} }
@ -99,23 +105,24 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
@Override @Override
protected void onPostExecute(Integer result) { protected void onPostExecute(Integer result) {
// 根据同步结果显示相应的通知
if (result == GTaskManager.STATE_SUCCESS) { if (result == GTaskManager.STATE_SUCCESS) {
showNotification(R.string.ticker_success, mContext.getString( showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount())); R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); // 记录最后同步时间
} else if (result == GTaskManager.STATE_NETWORK_ERROR) { } else if (result == GTaskManager.STATE_NETWORK_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); // 显示网络错误通知
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) { } else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); // 显示内部错误通知
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) { } else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
showNotification(R.string.ticker_cancel, mContext showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled)); .getString(R.string.error_sync_cancelled)); // 显示取消同步通知
} }
// 如果存在完成监听器，则在新线程中调用其onComplete方法
if (mOnCompleteListener != null) { if (mOnCompleteListener != null) {
new Thread(new Runnable() { new Thread(new Runnable() {
public void run() { public void run() {
mOnCompleteListener.onComplete(); mOnCompleteListener.onComplete(); // 调用完成监听器的onComplete方法
} }
}).start(); }).start();
} }

507
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java
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@ -14,82 +14,89 @@
* limitations under the License. * limitations under the License.
*/ */
// 定义包名
package net.micode.notes.gtask.remote; package net.micode.notes.gtask.remote;
import android.accounts.Account; // 导入相关类和接口
import android.accounts.AccountManager; import android.accounts.Account; // 引入账户类
import android.accounts.AccountManagerFuture; import android.accounts.AccountManager; // 引入账户管理类
import android.app.Activity; import android.accounts.AccountManagerFuture; // 引入账户管理未来对象类
import android.os.Bundle; import android.app.Activity; // 引入活动类
import android.text.TextUtils; import android.os.Bundle; // 引入包类
import android.util.Log; import android.text.TextUtils; // 引入文本工具类
import android.util.Log; // 引入日志工具类
import net.micode.notes.gtask.data.Node;
import net.micode.notes.gtask.data.Task; // 导入自定义数据模型和异常处理类
import net.micode.notes.gtask.data.TaskList; import net.micode.notes.gtask.data.Node; // 引入节点数据模型
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.data.Task; // 引入任务数据模型
import net.micode.notes.gtask.exception.NetworkFailureException; import net.micode.notes.gtask.data.TaskList; // 引入任务列表数据模型
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.gtask.exception.ActionFailureException; // 引入动作失败异常
import net.micode.notes.ui.NotesPreferenceActivity; import net.micode.notes.gtask.exception.NetworkFailureException; // 引入网络失败异常
import net.micode.notes.tool.GTaskStringUtils; // 引入GTask字符串工具类
import org.apache.http.HttpEntity; import net.micode.notes.ui.NotesPreferenceActivity; // 引入笔记偏好活动类
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException; // 导入Apache HttpClient相关的类
import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.HttpEntity; // 引入HTTP实体类
import org.apache.http.client.methods.HttpGet; import org.apache.http.HttpResponse; // 引入HTTP响应类
import org.apache.http.client.methods.HttpPost; import org.apache.http.client.ClientProtocolException; // 引入客户端协议异常
import org.apache.http.cookie.Cookie; import org.apache.http.client.entity.UrlEncodedFormEntity; // 引入URL编码表单实体类
import org.apache.http.impl.client.BasicCookieStore; import org.apache.http.client.methods.HttpGet; // 引入HTTP GET请求类
import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.client.methods.HttpPost; // 引入HTTP POST请求类
import org.apache.http.message.BasicNameValuePair; import org.apache.http.cookie.Cookie; // 引入Cookie类
import org.apache.http.params.BasicHttpParams; import org.apache.http.impl.client.BasicCookieStore; // 引入基本Cookie存储类
import org.apache.http.params.HttpConnectionParams; import org.apache.http.impl.client.DefaultHttpClient; // 引入默认HTTP客户端类
import org.apache.http.params.HttpParams; import org.apache.http.message.BasicNameValuePair; // 引入基本名称值对类
import org.apache.http.params.HttpProtocolParams; import org.apache.http.params.BasicHttpParams; // 引入基本HTTP参数类
import org.json.JSONArray; import org.apache.http.params.HttpConnectionParams; // 引入HTTP连接参数类
import org.json.JSONException; import org.apache.http.params.HttpParams; // 引入HTTP参数类
import org.json.JSONObject;
// 导入JSON相关的类
import java.io.BufferedReader; import org.json.JSONArray; // 引入JSON数组类
import java.io.IOException; import org.json.JSONException; // 引入JSON异常类
import java.io.InputStream; import org.json.JSONObject; // 引入JSON对象类
import java.io.InputStreamReader;
import java.util.LinkedList; // 引入JDK类
import java.util.List; import java.io.BufferedReader; // 引入缓冲读取器类
import java.util.zip.GZIPInputStream; import java.io.IOException; // 引入IO异常类
import java.util.zip.Inflater; import java.io.InputStream; // 引入输入流类
import java.util.zip.InflaterInputStream; import java.io.InputStreamReader; // 引入输入流读取器类
import java.util.LinkedList; // 引入链表类
import java.util.List; // 引入列表类
import java.util.zip.GZIPInputStream; // 引入GZIP输入流类
import java.util.zip.Inflater; // 引入解压缩类
import java.util.zip.InflaterInputStream; // 引入解压缩输入流类
// GTaskClient类负责处理与Google任务(GTask)的通信
public class GTaskClient { public class GTaskClient {
// 日志标签
private static final String TAG = GTaskClient.class.getSimpleName(); private static final String TAG = GTaskClient.class.getSimpleName();
// Google任务相关的URL
private static final String GTASK_URL = "https://mail.google.com/tasks/"; private static final String GTASK_URL = "https://mail.google.com/tasks/";
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; 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 final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
// 单例实例
private static GTaskClient mInstance = null; private static GTaskClient mInstance = null;
// HTTP客户端
private DefaultHttpClient mHttpClient; private DefaultHttpClient mHttpClient;
// GET和POST请求的URL
private String mGetUrl; private String mGetUrl;
private String mPostUrl; private String mPostUrl;
// 客户端版本和登录状态相关的字段
private long mClientVersion; private long mClientVersion;
private boolean mLoggedin; private boolean mLoggedin;
private long mLastLoginTime; private long mLastLoginTime;
private int mActionId; private int mActionId;
private Account mAccount; private Account mAccount;
// 更新数组
private JSONArray mUpdateArray; private JSONArray mUpdateArray;
// 私有构造函数，初始化类的成员变量
private GTaskClient() { private GTaskClient() {
mHttpClient = null; mHttpClient = null;
mGetUrl = GTASK_GET_URL; mGetUrl = GTASK_GET_URL;
@ -102,6 +109,7 @@ public class GTaskClient {
mUpdateArray = null; mUpdateArray = null;
} }
// 获取单例实例
public static synchronized GTaskClient getInstance() { public static synchronized GTaskClient getInstance() {
if (mInstance == null) { if (mInstance == null) {
mInstance = new GTaskClient(); mInstance = new GTaskClient();
@ -109,73 +117,75 @@ public class GTaskClient {
return mInstance; return mInstance;
} }
// 登录方法
public boolean login(Activity activity) { public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes // 假设cookie在5分钟后过期
// then we need to re-login
final long interval = 1000 * 60 * 5; final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) { if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false; mLoggedin = false; // 如果超时，设置未登录
} }
// need to re-login after account switch // 如果账户切换，需要重新登录
if (mLoggedin if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) {
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity mLoggedin = false; // 账户切换，重新登录
.getSyncAccountName(activity))) {
mLoggedin = false;
} }
// 若已经登录，无需再次登录
if (mLoggedin) { if (mLoggedin) {
Log.d(TAG, "already logged in"); Log.d(TAG, "already logged in");
return true; return true;
} }
mLastLoginTime = System.currentTimeMillis(); mLastLoginTime = System.currentTimeMillis(); // 更新最后登录时间
String authToken = loginGoogleAccount(activity, false); String authToken = loginGoogleAccount(activity, false); // 获取Google账户的认证令牌
if (authToken == null) { if (authToken == null) {
Log.e(TAG, "login google account failed"); Log.e(TAG, "login google account failed");
return false; return false; // 登录失败
} }
// login with custom domain if necessary // 如果为自定义域，则尝试进行登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase() if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase().endsWith("googlemail.com"))) {
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/"); StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1; int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index); String suffix = mAccount.name.substring(index);
url.append(suffix + "/"); url.append(suffix + "/");
mGetUrl = url.toString() + "ig"; mGetUrl = url.toString() + "ig"; // 更新GET请求的URL
mPostUrl = url.toString() + "r/ig"; mPostUrl = url.toString() + "r/ig"; // 更新POST请求的URL
if (tryToLoginGtask(activity, authToken)) { if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true; mLoggedin = true; // 登录成功
} }
} }
// try to login with google official url // 尝试以 Google 官方 URL 登录
if (!mLoggedin) { if (!mLoggedin) {
mGetUrl = GTASK_GET_URL; mGetUrl = GTASK_GET_URL; // 恢复默认的GET请求URL
mPostUrl = GTASK_POST_URL; mPostUrl = GTASK_POST_URL; // 恢复默认的POST请求URL
if (!tryToLoginGtask(activity, authToken)) { if (!tryToLoginGtask(activity, authToken)) {
return false; return false; // 登录失败
} }
} }
mLoggedin = true; mLoggedin = true; // 设置为已登录
return true; return true;
} }
// 获取Google账户认证令牌的方法
private String loginGoogleAccount(Activity activity, boolean invalidateToken) { private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken; String authToken;
AccountManager accountManager = AccountManager.get(activity); AccountManager accountManager = AccountManager.get(activity); // 获取账户管理器
Account[] accounts = accountManager.getAccountsByType("com.google"); Account[] accounts = accountManager.getAccountsByType("com.google"); // 获取Google账户
// 如果没有可用的Google账户，日志记录并返回null
if (accounts.length == 0) { if (accounts.length == 0) {
Log.e(TAG, "there is no available google account"); Log.e(TAG, "there is no available google account");
return null; return null;
} }
String accountName = NotesPreferenceActivity.getSyncAccountName(activity); String accountName = NotesPreferenceActivity.getSyncAccountName(activity); // 获取同步的账户名
Account account = null; Account account = null;
// 找到设置中与账户名匹配的账户
for (Account a : accounts) { for (Account a : accounts) {
if (a.name.equals(accountName)) { if (a.name.equals(accountName)) {
account = a; account = a;
@ -183,79 +193,80 @@ public class GTaskClient {
} }
} }
if (account != null) { if (account != null) {
mAccount = account; mAccount = account; // 设置账户
} else { } else {
Log.e(TAG, "unable to get an account with the same name in the settings"); Log.e(TAG, "unable to get an account with the same name in the settings");
return null; return null; // 找不到匹配账户，返回null
} }
// get the token now // 获取认证令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account, AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null);
"goanna_mobile", null, activity, null, null);
try { try {
Bundle authTokenBundle = accountManagerFuture.getResult(); Bundle authTokenBundle = accountManagerFuture.getResult(); // 获取结果
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); // 读取令牌
// 如果需要无效化令牌，则重新获取
if (invalidateToken) { if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken); accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false); loginGoogleAccount(activity, false); // 递归调用获取新令牌
} }
} catch (Exception e) { } catch (Exception e) {
Log.e(TAG, "get auth token failed"); Log.e(TAG, "get auth token failed");
authToken = null; authToken = null; // 获取token失败
} }
return authToken; return authToken; // 返回令牌
} }
// 尝试登录到GTask
private boolean tryToLoginGtask(Activity activity, String authToken) { private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) { if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the // 如果认证令牌过期，则无效化并尝试重新登录
// token and try again
authToken = loginGoogleAccount(activity, true); authToken = loginGoogleAccount(activity, true);
if (authToken == null) { if (authToken == null) {
Log.e(TAG, "login google account failed"); Log.e(TAG, "login google account failed");
return false; return false; // 登录失败
} }
if (!loginGtask(authToken)) { if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed"); Log.e(TAG, "login gtask failed");
return false; return false; // 登录失败
} }
} }
return true; return true; // 登录成功
} }
// 使用认证令牌登录到GTask
private boolean loginGtask(String authToken) { private boolean loginGtask(String authToken) {
int timeoutConnection = 10000; int timeoutConnection = 10000; // 连接超时设置
int timeoutSocket = 15000; int timeoutSocket = 15000; // Socket超时设置
HttpParams httpParameters = new BasicHttpParams(); HttpParams httpParameters = new BasicHttpParams(); // 创建基本HTTP参数
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); // 设置连接超时
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); // 设置Socket超时
mHttpClient = new DefaultHttpClient(httpParameters); mHttpClient = new DefaultHttpClient(httpParameters); // 创建HTTP客户端
BasicCookieStore localBasicCookieStore = new BasicCookieStore(); BasicCookieStore localBasicCookieStore = new BasicCookieStore(); // 创建Cookie存储
mHttpClient.setCookieStore(localBasicCookieStore); mHttpClient.setCookieStore(localBasicCookieStore); // 设置Cookie存储
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); // 设置HTTP协议参数
// login gtask // 登录GTask
try { try {
String loginUrl = mGetUrl + "?auth=" + authToken; String loginUrl = mGetUrl + "?auth=" + authToken; // 创建登录URL
HttpGet httpGet = new HttpGet(loginUrl); HttpGet httpGet = new HttpGet(loginUrl); // 创建GET请求
HttpResponse response = null; HttpResponse response = mHttpClient.execute(httpGet); // 执行请求
response = mHttpClient.execute(httpGet);
// get the cookie now // 获取Cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies(); List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false; boolean hasAuthCookie = false; // 验证是否存在认证Cookie
for (Cookie cookie : cookies) { for (Cookie cookie : cookies) {
if (cookie.getName().contains("GTL")) { if (cookie.getName().contains("GTL")) {
hasAuthCookie = true; hasAuthCookie = true; // 存在认证Cookie
} }
} }
if (!hasAuthCookie) { if (!hasAuthCookie) {
Log.w(TAG, "it seems that there is no auth cookie"); Log.w(TAG, "it seems that there is no auth cookie"); // 没有认证Cookie的警告
} }
// get the client version // 从响应中获取客户端版本
String resString = getResponseContent(response.getEntity()); String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup("; String jsBegin = "_setup(";
String jsEnd = ")}</script>"; String jsEnd = ")}</script>";
@ -263,323 +274,333 @@ public class GTaskClient {
int end = resString.lastIndexOf(jsEnd); int end = resString.lastIndexOf(jsEnd);
String jsString = null; String jsString = null;
if (begin != -1 && end != -1 && begin < end) { if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end); jsString = resString.substring(begin + jsBegin.length(), end); // 提取JSON字符串
} }
JSONObject js = new JSONObject(jsString); JSONObject js = new JSONObject(jsString); // 创建JSON对象
mClientVersion = js.getLong("v"); mClientVersion = js.getLong("v"); // 获取客户端版本
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
return false; return false; // 处理JSON异常，返回登录失败
} catch (Exception e) { } catch (Exception e) {
// simply catch all exceptions
Log.e(TAG, "httpget gtask_url failed"); Log.e(TAG, "httpget gtask_url failed");
return false; return false; // 处理其他异常，返回登录失败
} }
return true; return true; // 登录成功
} }
// 获取下一个动作ID
private int getActionId() { private int getActionId() {
return mActionId++; return mActionId++; // 返回当前ID并递增
} }
// 创建HTTP POST请求
private HttpPost createHttpPost() { private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl); HttpPost httpPost = new HttpPost(mPostUrl); // 创建POST请求
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); // 设置请求头
httpPost.setHeader("AT", "1"); httpPost.setHeader("AT", "1"); // 设置自定义请求头
return httpPost; return httpPost; // 返回POST请求
} }
// 获取HTTP响应内容
private String getResponseContent(HttpEntity entity) throws IOException { private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null; String contentEncoding = null; // 声明内容编码
if (entity.getContentEncoding() != null) { if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue(); contentEncoding = entity.getContentEncoding().getValue(); // 获取内容编码
Log.d(TAG, "encoding: " + contentEncoding); Log.d(TAG, "encoding: " + contentEncoding);
} }
InputStream input = entity.getContent(); InputStream input = entity.getContent(); // 获取输入流
// 根据内容编码类型进行处理
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) { if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent()); input = new GZIPInputStream(entity.getContent()); // 处理GZIP编码
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) { } else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
Inflater inflater = new Inflater(true); Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater); input = new InflaterInputStream(entity.getContent(), inflater); // 处理Deflate编码
} }
try { try {
InputStreamReader isr = new InputStreamReader(input); InputStreamReader isr = new InputStreamReader(input); // 创建输入流读取器
BufferedReader br = new BufferedReader(isr); BufferedReader br = new BufferedReader(isr); // 创建缓冲读取器
StringBuilder sb = new StringBuilder(); StringBuilder sb = new StringBuilder(); // 创建字符串构建器
// 持续读取内容
while (true) { while (true) {
String buff = br.readLine(); String buff = br.readLine(); // 读取一行
if (buff == null) { if (buff == null) {
return sb.toString(); return sb.toString(); // 如果没有内容，返回结果
} }
sb = sb.append(buff); sb = sb.append(buff); // 添加读取内容
} }
} finally { } finally {
input.close(); input.close(); // 关闭输入流
} }
} }
// 发送POST请求
private JSONObject postRequest(JSONObject js) throws NetworkFailureException { private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) { if (!mLoggedin) {
Log.e(TAG, "please login first"); Log.e(TAG, "please login first"); // 如果未登录，记录错误
throw new ActionFailureException("not logged in"); throw new ActionFailureException("not logged in"); // 抛出异常
} }
HttpPost httpPost = createHttpPost(); HttpPost httpPost = createHttpPost(); // 创建POST请求
try { try {
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>(); LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>(); // 创建参数列表
list.add(new BasicNameValuePair("r", js.toString())); list.add(new BasicNameValuePair("r", js.toString())); // 添加请求参数
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); // 创建实体
httpPost.setEntity(entity); httpPost.setEntity(entity); // 设置POST实体
// execute the post // 执行POST请求并获取响应
HttpResponse response = mHttpClient.execute(httpPost); HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity()); String jsString = getResponseContent(response.getEntity()); // 获取响应内容
return new JSONObject(jsString); return new JSONObject(jsString); // 返回响应的JSON对象
} catch (ClientProtocolException e) { } catch (ClientProtocolException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new NetworkFailureException("postRequest failed"); throw new NetworkFailureException("postRequest failed"); // 抛出网络失败异常
} catch (IOException e) { } catch (IOException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new NetworkFailureException("postRequest failed"); throw new NetworkFailureException("postRequest failed"); // 抛出IO异常
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject"); throw new ActionFailureException("unable to convert response content to jsonobject"); // 抛出JSON转换异常
} catch (Exception e) { } catch (Exception e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("error occurs when posting request"); throw new ActionFailureException("error occurs when posting request"); // 其它异常处理
} }
} }
// 创建任务
public void createTask(Task task) throws NetworkFailureException { public void createTask(Task task) throws NetworkFailureException {
commitUpdate(); commitUpdate(); // 提交更新
try { try {
JSONObject jsPost = new JSONObject(); JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); JSONArray actionList = new JSONArray(); // 创建动作列表
// action_list // 添加创建动作到动作列表
actionList.put(task.getCreateAction(getActionId())); actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象
// client_version // 添加客户端版本到JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post // 执行POST请求
JSONObject jsResponse = postRequest(jsPost); JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取返回结果
GTaskStringUtils.GTASK_JSON_RESULTS).get(0); task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务的ID
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("create task: handing jsonobject failed"); throw new ActionFailureException("create task: handing jsonobject failed"); // 抛出JSON处理异常
} }
} }
// 创建任务列表
public void createTaskList(TaskList tasklist) throws NetworkFailureException { public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate(); commitUpdate(); // 提交更新
try { try {
JSONObject jsPost = new JSONObject(); JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); JSONArray actionList = new JSONArray(); // 创建动作列表
// action_list // 添加创建动作到动作列表
actionList.put(tasklist.getCreateAction(getActionId())); actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象
// client version // 添加客户端版本到JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post // 执行POST请求
JSONObject jsResponse = postRequest(jsPost); JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray( JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); // 获取返回结果
GTaskStringUtils.GTASK_JSON_RESULTS).get(0); tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); // 设置任务列表的ID
tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("create tasklist: handing jsonobject failed"); throw new ActionFailureException("create tasklist: handing jsonobject failed"); // 抛出JSON处理异常
} }
} }
// 提交更新
public void commitUpdate() throws NetworkFailureException { public void commitUpdate() throws NetworkFailureException {
// 如果存在更新数组
if (mUpdateArray != null) { if (mUpdateArray != null) {
try { try {
JSONObject jsPost = new JSONObject(); JSONObject jsPost = new JSONObject(); // 创建JSON对象
// action_list // 添加动作列表到JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// 添加客户端版本到JSON对象
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); postRequest(jsPost); // 执行POST请求
mUpdateArray = null; mUpdateArray = null; // 清空更新数组
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("commit update: handing jsonobject failed"); throw new ActionFailureException("commit update: handing jsonobject failed"); // 抛出JSON处理异常
} }
} }
} }
// 添加更新节点
public void addUpdateNode(Node node) throws NetworkFailureException { public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) { if (node != null) {
// too many update items may result in an error // 更新项目过多可能会导致错误，最多设为10个项目
// set max to 10 items
if (mUpdateArray != null && mUpdateArray.length() > 10) { if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate(); commitUpdate(); // 提交更新
} }
if (mUpdateArray == null) if (mUpdateArray == null)
mUpdateArray = new JSONArray(); mUpdateArray = new JSONArray(); // 初始化更新数组
mUpdateArray.put(node.getUpdateAction(getActionId())); mUpdateArray.put(node.getUpdateAction(getActionId())); // 将更新的节点添加到数组
} }
} }
public void moveTask(Task task, TaskList preParent, TaskList curParent) // 移动任务
throws NetworkFailureException { public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException {
commitUpdate(); commitUpdate(); // 提交更新
try { try {
JSONObject jsPost = new JSONObject(); JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); JSONArray actionList = new JSONArray(); // 创建动作列表
JSONObject action = new JSONObject(); JSONObject action = new JSONObject(); // 创建动作对象
// action_list // 构建移动动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); // 设置任务ID
// 如果前后父任务相同且任务有前兄弟，则附加前兄弟ID
if (preParent == curParent && task.getPriorSibling() != null) { if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling()); action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
} }
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); // 源任务列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); // 目标父任务列表ID
// 如果任务从一个任务列表移动到另一个任务列表，则附加目标列表ID
if (preParent != curParent) { if (preParent != curParent) {
// put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid()); action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
} }
actionList.put(action); actionList.put(action); // 添加动作到动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象
// client_version // 添加客户端版本到JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); postRequest(jsPost); // 执行POST请求
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("move task: handing jsonobject failed"); throw new ActionFailureException("move task: handing jsonobject failed"); // 抛出JSON处理异常
} }
} }
// 删除节点
public void deleteNode(Node node) throws NetworkFailureException { public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate(); commitUpdate(); // 提交更新
try { try {
JSONObject jsPost = new JSONObject(); JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); JSONArray actionList = new JSONArray(); // 创建动作列表
// action_list // 标记节点为已删除并添加到动作列表
node.setDeleted(true); node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId())); actionList.put(node.getUpdateAction(getActionId())); // 获取节点更新动作并添加到列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象
// client_version // 添加客户端版本到JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost); postRequest(jsPost); // 执行POST请求
mUpdateArray = null; mUpdateArray = null; // 清空更新数组
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed"); throw new ActionFailureException("delete node: handing jsonobject failed"); // 抛出JSON处理异常
} }
} }
// 获取任务列表
public JSONArray getTaskLists() throws NetworkFailureException { public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) { if (!mLoggedin) {
Log.e(TAG, "please login first"); Log.e(TAG, "please login first"); // 如果未登录，记录错误
throw new ActionFailureException("not logged in"); throw new ActionFailureException("not logged in"); // 抛出异常
} }
try { try {
HttpGet httpGet = new HttpGet(mGetUrl); HttpGet httpGet = new HttpGet(mGetUrl); // 创建GET请求
HttpResponse response = null; HttpResponse response = mHttpClient.execute(httpGet); // 执行请求
response = mHttpClient.execute(httpGet);
// get the task list // 获取任务列表
String resString = getResponseContent(response.getEntity()); String resString = getResponseContent(response.getEntity()); // 获取响应内容
String jsBegin = "_setup("; String jsBegin = "_setup(";
String jsEnd = ")}</script>"; String jsEnd = ")}</script>";
int begin = resString.indexOf(jsBegin); int begin = resString.indexOf(jsBegin);
int end = resString.lastIndexOf(jsEnd); int end = resString.lastIndexOf(jsEnd);
String jsString = null; String jsString = null;
// 提取JSON字符串
if (begin != -1 && end != -1 && begin < end) { if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end); jsString = resString.substring(begin + jsBegin.length(), end);
} }
JSONObject js = new JSONObject(jsString); JSONObject js = new JSONObject(jsString); // 创建JSON对象
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); // 返回任务列表
} catch (ClientProtocolException e) { } catch (ClientProtocolException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed"); throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络请求失败异常
} catch (IOException e) { } catch (IOException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed"); throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出IO异常
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed"); throw new ActionFailureException("get task lists: handing jasonobject failed"); // 抛出JSON处理异常
} }
} }
// 获取指定任务列表
public JSONArray getTaskList(String listGid) throws NetworkFailureException { public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate(); commitUpdate(); // 提交更新
try { try {
JSONObject jsPost = new JSONObject(); JSONObject jsPost = new JSONObject(); // 创建JSON对象
JSONArray actionList = new JSONArray(); JSONArray actionList = new JSONArray(); // 创建动作列表
JSONObject action = new JSONObject(); JSONObject action = new JSONObject(); // 创建动作对象
// action_list // 构建获取所有任务的动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); // 设置列表ID
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 不获取已删除的任务
actionList.put(action); actionList.put(action); // 添加动作到动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); // 添加动作列表到JSON对象
// client_version // 添加客户端版本到JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost); JSONObject jsResponse = postRequest(jsPost); // 执行POST请求
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); // 返回任务数组
} catch (JSONException e) { } catch (JSONException e) {
Log.e(TAG, e.toString()); Log.e(TAG, e.toString());
e.printStackTrace(); e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed"); throw new ActionFailureException("get task list: handing jsonobject failed"); // 抛出JSON处理异常
} }
} }
// 获取同步账户
public Account getSyncAccount() { public Account getSyncAccount() {
return mAccount; return mAccount; // 返回账户信息
} }
// 重置更新数组
public void resetUpdateArray() { public void resetUpdateArray() {
mUpdateArray = null; mUpdateArray = null; // 清空更新数组
} }
} }

825
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java
Unescape View File

@ -1,800 +1,49 @@
/* /*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * 版权所有 (c) 2010-2011, MiCode 开源社区 (www.micode.net)
* *
* Licensed under the Apache License, Version 2.0 (the "License"); * 根据 Apache 许可证，第 2.0 版（“许可证”）许可；
* you may not use this file except in compliance with the License. * 除非遵循许可证，否则不得使用此文件。
* You may obtain a copy of the License at * 可以在以下网址获取许可证副本：
* *
* http://www.apache.org/licenses/LICENSE-2.0 * http://www.apache.org/licenses/LICENSE-2.0
* *
* Unless required by applicable law or agreed to in writing, software * 除非适用于相关法律或书面协议，否则根据许可证分发的软件
* distributed under the License is distributed on an "AS IS" BASIS, * 是以“原样”基础提供，不提供任何形式的保证或条件，无论是明示的还是暗示的。
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 请参阅许可证以了解特定语言管理权限和
* See the License for the specific language governing permissions and * 许可证下的限制。
* limitations under the License.
*/ */
// 定义包
package net.micode.notes.gtask.remote; package net.micode.notes.gtask.remote;
import android.app.Activity; // 导入需要的类
import android.content.ContentResolver; import android.app.Activity; // 用于活动管理的类
import android.content.ContentUris; import android.content.ContentResolver; // 用于内容提供者的类
import android.content.ContentValues; import android.content.ContentUris; // 处理内容 URI 的工具类
import android.content.Context; import android.content.ContentValues; // 包含 ContentProvider 插入或更新所需值的类
import android.database.Cursor; import android.content.Context; // 应用上下文类
import android.util.Log; import android.database.Cursor; // 数据库查询结果的类
import android.util.Log; // 记录日志的工具类
// 导入项目中的相关类
import net.micode.notes.R; import net.micode.notes.R;
import net.micode.notes.data.Notes; import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.DataColumns; import net.micode.notes.data.Notes.DataColumns; // 数据列常量
import net.micode.notes.data.Notes.NoteColumns; import net.micode.notes.data.Notes.NoteColumns; // 笔记列常量
import net.micode.notes.gtask.data.MetaData; import net.micode.notes.gtask.data.MetaData; // 任务元数据类
import net.micode.notes.gtask.data.Node; import net.micode.notes.gtask.data.Node; // 节点类
import net.micode.notes.gtask.data.SqlNote; import net.micode.notes.gtask.data.SqlNote; // SQL 笔记类
import net.micode.notes.gtask.data.Task; import net.micode.notes.gtask.data.Task; // 任务类
import net.micode.notes.gtask.data.TaskList; import net.micode.notes.gtask.data.TaskList; // 任务列表类
import net.micode.notes.gtask.exception.ActionFailureException; import net.micode.notes.gtask.exception.ActionFailureException; // 操作失败异常
import net.micode.notes.gtask.exception.NetworkFailureException; import net.micode.notes.gtask.exception.NetworkFailureException; // 网络失败异常
import net.micode.notes.tool.DataUtils; import net.micode.notes.tool.DataUtils; // 数据工具类
import net.micode.notes.tool.GTaskStringUtils; import net.micode.notes.tool.GTaskStringUtils; // GTask 字符串工具类
import org.json.JSONArray; import org.json.JSONArray; // JSON 数组类
import org.json.JSONException; import org.json.JSONException; // JSON 异常类
import org.json.JSONObject; import org.json.JSONObject; // JSON 对象类
import java.util.HashMap; import java.util.HashMap; // 哈希表实现
import java.util.HashSet; import java.util.HashSet; // 哈希集合实现
import java.util.Iterator; import java.util.Iterator; // 迭代器类
import java.util.Map;
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1;
public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null;
private Activity mActivity;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mSyncing;
private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid;
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<String, TaskList>();
mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>();
mNidToGid = new HashMap<Long, String>();
}
public static synchronized GTaskManager getInstance() {
if (mInstance == null) {
mInstance = new GTaskManager();
}
return mInstance;
}
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
mActivity = activity;
}
public int sync(Context context, GTaskASyncTask asyncTask) {
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
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();
client.resetUpdateArray();
// 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();
// do content sync work
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent();
} catch (NetworkFailureException e) {
Log.e(TAG, e.toString());
return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) {
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;
}
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
return;
GTaskClient client = GTaskClient.getInstance();
try {
JSONArray jsTaskLists = client.getTaskLists();
// init meta list first
mMetaList = null;
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
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);
// load meta data
JSONArray jsMetas = client.getTaskList(gid);
for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j);
MetaData metaData = new MetaData();
metaData.setContentByRemoteJSON(object);
if (metaData.isWorthSaving()) {
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);
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();
tasklist.setContentByRemoteJSON(object);
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
// load tasks
JSONArray jsTasks = client.getTaskList(gid);
for (int j = 0; j < jsTasks.length(); j++) {
object = (JSONObject) jsTasks.getJSONObject(j);
gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
Task task = new Task();
task.setContentByRemoteJSON(object);
if (task.isWorthSaving()) {
task.setMetaInfo(mMetaHashMap.get(gid));
tasklist.addChildTask(task);
mGTaskHashMap.put(gid, task);
}
}
}
}
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("initGTaskList: handing JSONObject failed");
}
}
private void syncContent() throws NetworkFailureException {
int syncType;
Cursor c = null;
String gid;
Node node;
mLocalDeleteIdMap.clear();
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));
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 note in database");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// go through remaining items
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next();
node = entry.getValue();
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
// mCancelled can be set by another thread, so we neet to check one by
// one
// clear local delete table
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("failed to batch-delete local deleted notes");
}
}
// refresh local sync id
if (!mCancelled) {
GTaskClient.getInstance().commitUpdate();
refreshLocalSyncId();
}
}
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
Node node;
int syncType;
if (mCancelled) {
return;
}
// for root folder
try {
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
if (c != null) {
c.moveToNext();
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
// for system folder, only update remote name if necessary
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
} else {
Log.w(TAG, "failed to query root folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// for call-note folder
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null);
if (c != null) {
if (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
// for system folder, only update remote name if
// necessary
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_CALL_NOTE))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
}
} else {
Log.w(TAG, "failed to query call note folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// for local existing folders
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// local add
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// remote delete
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
doContentSync(syncType, node, c);
}
} else {
Log.w(TAG, "failed to query existing folder");
}
} finally {
if (c != null) {
c.close();
c = null;
}
}
// for remote add folders
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
gid = entry.getKey();
node = entry.getValue();
if (mGTaskHashMap.containsKey(gid)) {
mGTaskHashMap.remove(gid);
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
}
if (!mCancelled)
GTaskClient.getInstance().commitUpdate();
}
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");
}
}
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);
}
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);
}
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote = new SqlNote(mContext, c);
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");
throw new ActionFailureException("cannot add remote task");
}
mGTaskListHashMap.get(parentGid).addChildTask(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<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
String gid = entry.getKey();
TaskList list = entry.getValue();
if (list.getName().equals(folderName)) {
tasklist = list;
if (mGTaskHashMap.containsKey(gid)) {
mGTaskHashMap.remove(gid);
}
break;
}
}
// no match we can add now
if (tasklist == null) {
tasklist = new TaskList();
tasklist.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().createTaskList(tasklist);
mGTaskListHashMap.put(tasklist.getGid(), tasklist);
}
n = (Node) tasklist;
}
// update local note
sqlNote.setGtaskId(n.getGid());
sqlNote.commit(false);
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id mapping
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
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);
// update meta
updateRemoteMeta(node.getGid(), sqlNote);
// move task if necessary
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
String curParentGid = mNidToGid.get(sqlNote.getParentId());
if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
throw new ActionFailureException("cannot update remote task");
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
if (preParentList != curParentList) {
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
}
}
// clear local modified flag
sqlNote.resetLocalModified();
sqlNote.commit(true);
}
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);
}
}
}
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest 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");
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();
values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
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;
}
}
}
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
public void cancelSync() {
mCancelled = true;
}
}

56
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java
Unescape View File

@ -23,40 +23,64 @@ import android.content.Intent;
import android.os.Bundle; import android.os.Bundle;
import android.os.IBinder; import android.os.IBinder;
/**
* GTaskSyncService 是一个用于处理 Google 任务同步的服务类。
* 该类扩展自 Android 的 Service 类，负责执行同步操作。
*/
public class GTaskSyncService extends Service { public class GTaskSyncService extends Service {
// 主要用于标识同步动作的字符串名称
public final static String ACTION_STRING_NAME = "sync_action_type"; public final static String ACTION_STRING_NAME = "sync_action_type";
// 开始同步的操作类型常量
public final static int ACTION_START_SYNC = 0; public final static int ACTION_START_SYNC = 0;
// 取消同步的操作类型常量
public final static int ACTION_CANCEL_SYNC = 1; public final static int ACTION_CANCEL_SYNC = 1;
// 无效的操作类型常量
public final static int ACTION_INVALID = 2; public final static int ACTION_INVALID = 2;
// 广播名称，用于通知同步服务的状态
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service"; public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
// 广播参数，用于标识当前是否正在同步
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
// 广播参数，用于传递同步进度消息
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
// 静态变量，表示当前的异步任务
private static GTaskASyncTask mSyncTask = null; private static GTaskASyncTask mSyncTask = null;
// 存储当前同步的进度信息
private static String mSyncProgress = ""; private static String mSyncProgress = "";
/**
* 启动同步任务的方法
*/
private void startSync() { private void startSync() {
// 如果没有正在进行的同步任务，则创建并启动新的任务
if (mSyncTask == null) { if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() { public void onComplete() {
// 同步任务完成后，重置任务状态并发送广播
mSyncTask = null; mSyncTask = null;
sendBroadcast(""); sendBroadcast("");
stopSelf(); stopSelf();
} }
}); });
// 发送初始广播，表示同步开始
sendBroadcast(""); sendBroadcast("");
// 执行异步任务
mSyncTask.execute(); mSyncTask.execute();
} }
} }
/**
* 取消当前同步任务的方法
*/
private void cancelSync() { private void cancelSync() {
// 如果有正在进行的同步任务，则取消该任务
if (mSyncTask != null) { if (mSyncTask != null) {
mSyncTask.cancelSync(); mSyncTask.cancelSync();
} }
@ -64,23 +88,28 @@ public class GTaskSyncService extends Service {
@Override @Override
public void onCreate() { public void onCreate() {
// 服务创建时，初始化同步任务为空
mSyncTask = null; mSyncTask = null;
} }
@Override @Override
public int onStartCommand(Intent intent, int flags, int startId) { public int onStartCommand(Intent intent, int flags, int startId) {
// 从 Intent 中获取数据
Bundle bundle = intent.getExtras(); Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) { if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) { switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
case ACTION_START_SYNC: case ACTION_START_SYNC:
// 开始同步操作
startSync(); startSync();
break; break;
case ACTION_CANCEL_SYNC: case ACTION_CANCEL_SYNC:
// 取消同步操作
cancelSync(); cancelSync();
break; break;
default: default:
break; break;
} }
// 返回服务的启动模式
return START_STICKY; return START_STICKY;
} }
return super.onStartCommand(intent, flags, startId); return super.onStartCommand(intent, flags, startId);
@ -88,40 +117,67 @@ public class GTaskSyncService extends Service {
@Override @Override
public void onLowMemory() { public void onLowMemory() {
// 当系统内存不足时，取消同步任务
if (mSyncTask != null) { if (mSyncTask != null) {
mSyncTask.cancelSync(); mSyncTask.cancelSync();
} }
} }
@Override
public IBinder onBind(Intent intent) { public IBinder onBind(Intent intent) {
// 返回 null 表示不提供绑定服务的功能
return null; return null;
} }
/**
* 发送广播以更新同步状态和进度消息
*/
public void sendBroadcast(String msg) { public void sendBroadcast(String msg) {
mSyncProgress = msg; mSyncProgress = msg;
// 创建 Intent 用于发送广播
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
// 设置当前是否正在同步的标志
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
// 设置进度消息
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
// 发送广播
sendBroadcast(intent); sendBroadcast(intent);
} }
/**
* 启动同步操作的静态方法
*/
public static void startSync(Activity activity) { public static void startSync(Activity activity) {
// 设置活动上下文
GTaskManager.getInstance().setActivityContext(activity); GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class); Intent intent = new Intent(activity, GTaskSyncService.class);
// 添加启动同步的指令
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
// 启动服务
activity.startService(intent); activity.startService(intent);
} }
/**
* 取消同步操作的静态方法
*/
public static void cancelSync(Context context) { public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class); Intent intent = new Intent(context, GTaskSyncService.class);
// 添加取消同步的指令
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
// 启动服务
context.startService(intent); context.startService(intent);
} }
/**
* 判断当前是否正在同步的静态方法
*/
public static boolean isSyncing() { public static boolean isSyncing() {
return mSyncTask != null; return mSyncTask != null;
} }
/**
* 获取当前同步进度的字符串信息
*/
public static String getProgressString() { public static String getProgressString() {
return mSyncProgress; return mSyncProgress;
} }

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