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/*
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* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.micode.notes.gtask.remote;
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import android.accounts.Account;
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import android.accounts.AccountManager;
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import android.accounts.AccountManagerFuture;
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import android.app.Activity;
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import android.os.Bundle;
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import android.text.TextUtils;
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import android.util.Log;
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import net.micode.notes.gtask.data.Node;
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import net.micode.notes.gtask.data.Task;
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import net.micode.notes.gtask.data.TaskList;
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import net.micode.notes.gtask.exception.ActionFailureException;
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import net.micode.notes.gtask.exception.NetworkFailureException;
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import net.micode.notes.tool.GTaskStringUtils;
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import net.micode.notes.ui.NotesPreferenceActivity;
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import org.apache.http.HttpEntity;
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import org.apache.http.HttpResponse;
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import org.apache.http.client.ClientProtocolException;
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import org.apache.http.client.entity.UrlEncodedFormEntity;
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import org.apache.http.client.methods.HttpGet;
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import org.apache.http.client.methods.HttpPost;
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import org.apache.http.cookie.Cookie;
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import org.apache.http.impl.client.BasicCookieStore;
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import org.apache.http.impl.client.DefaultHttpClient;
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import org.apache.http.message.BasicNameValuePair;
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import org.apache.http.params.BasicHttpParams;
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import org.apache.http.params.HttpConnectionParams;
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import org.apache.http.params.HttpParams;
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import org.apache.http.params.HttpProtocolParams;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.zip.GZIPInputStream;
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import java.util.zip.Inflater;
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import java.util.zip.InflaterInputStream;
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/**
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* <p>Google任务API客户端类。</p>
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* <p>设计意图：提供与Google任务API交互的核心功能，实现任务的创建、更新、删除等操作。</p>
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* <p>核心职责：</p>
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* <ul>
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* <li>处理Google账号的登录认证</li>
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* <li>执行Google任务的CRUD操作</li>
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* <li>管理API请求的Cookie和会话状态</li>
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* <li>处理网络请求和响应，包括压缩数据的解压</li>
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* <li>将本地任务模型转换为Google任务API的JSON格式</li>
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* </ul>
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* <p>关键关联：</p>
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* <ul>
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* <li>与{@link GTaskManager}配合，提供任务同步的底层支持</li>
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* <li>使用{@link Task}和{@link TaskList}类封装Google任务数据</li>
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* <li>通过{@link NetworkFailureException}和{@link ActionFailureException}处理异常</li>
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* <li>依赖{@link GTaskStringUtils}提供API交互所需的常量</li>
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* </ul>
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* <p>设计特点：</p>
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* <ul>
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* <li>采用单例模式，确保全局只有一个Google任务API客户端实例</li>
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* <li>实现会话管理，避免频繁登录认证</li>
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* <li>支持批量更新操作，提高API调用效率</li>
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* <li>处理不同类型的网络压缩格式（gzip、deflate）</li>
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* </ul>
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*/
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public class GTaskClient {
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/**
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* 日志标签，用于调试和错误跟踪
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*/
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private static final String TAG = GTaskClient.class.getSimpleName();
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/**
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* Google任务的基本URL
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*/
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private static final String GTASK_URL = "https://mail.google.com/tasks/";
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/**
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* Google任务的GET请求URL
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*/
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private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
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/**
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* Google任务的POST请求URL
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*/
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private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
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/**
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* GTaskClient的单例实例
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*/
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private static GTaskClient mInstance = null;
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/**
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* HTTP客户端，用于执行与Google任务API的网络请求
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*/
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private DefaultHttpClient mHttpClient;
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/**
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* 当前使用的GET请求URL
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*/
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private String mGetUrl;
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/**
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* 当前使用的POST请求URL
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*/
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private String mPostUrl;
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/**
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* Google任务客户端版本号
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*/
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private long mClientVersion;
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/**
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* 登录状态标志
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*/
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private boolean mLoggedin;
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/**
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* 最后一次登录时间
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*/
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private long mLastLoginTime;
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/**
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* 请求操作ID，用于跟踪API请求
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*/
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private int mActionId;
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/**
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* 当前登录的Google账号
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*/
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private Account mAccount;
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/**
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* 批量更新的JSON数组，用于累积多次更新操作
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*/
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private JSONArray mUpdateArray;
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/**
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* <p>私有构造方法。</p>
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* <p>设计意图：实现单例模式，防止外部直接实例化。</p>
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* <p>初始化所有成员变量，设置默认值。</p>
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*/
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private GTaskClient() {
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mHttpClient = null;
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mGetUrl = GTASK_GET_URL;
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mPostUrl = GTASK_POST_URL;
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mClientVersion = -1;
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mLoggedin = false;
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mLastLoginTime = 0;
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mActionId = 1;
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mAccount = null;
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mUpdateArray = null;
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}
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/**
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* <p>获取GTaskClient的单例实例。</p>
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* <p>业务逻辑：使用双重检查锁定实现线程安全的单例模式。</p>
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*
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* @return GTaskClient的单例实例
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*/
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public static synchronized GTaskClient getInstance() {
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if (mInstance == null) {
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mInstance = new GTaskClient();
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}
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return mInstance;
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}
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/**
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* <p>登录Google账号并验证Google任务API。</p>
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* <p>业务逻辑：</p>
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* <ul>
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* <li>检查登录状态，如果Cookie过期或账号切换则重新登录</li>
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* <li>获取Google账号的认证令牌</li>
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* <li>如果是自定义域名邮箱，使用自定义URL尝试登录</li>
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* <li>如果自定义域名登录失败，使用官方URL尝试登录</li>
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* </ul>
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*
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* @param activity 当前活动的Activity，用于获取账号信息和显示认证界面
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* @return true表示登录成功，false表示登录失败
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*/
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public boolean login(Activity activity) {
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// we suppose that the cookie would expire after 5 minutes
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// then we need to re-login
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final long interval = 1000 * 60 * 5;
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if (mLastLoginTime + interval < System.currentTimeMillis()) {
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mLoggedin = false;
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}
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// need to re-login after account switch
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if (mLoggedin
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&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
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.getSyncAccountName(activity))) {
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mLoggedin = false;
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}
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if (mLoggedin) {
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Log.d(TAG, "already logged in");
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return true;
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}
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mLastLoginTime = System.currentTimeMillis();
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String authToken = loginGoogleAccount(activity, false);
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if (authToken == null) {
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Log.e(TAG, "login google account failed");
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return false;
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}
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// login with custom domain if necessary
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if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
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.endsWith("googlemail.com"))) {
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StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
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int index = mAccount.name.indexOf('@') + 1;
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String suffix = mAccount.name.substring(index);
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url.append(suffix + "/");
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mGetUrl = url.toString() + "ig";
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mPostUrl = url.toString() + "r/ig";
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if (tryToLoginGtask(activity, authToken)) {
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mLoggedin = true;
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}
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}
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// try to login with google official url
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if (!mLoggedin) {
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mGetUrl = GTASK_GET_URL;
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mPostUrl = GTASK_POST_URL;
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if (!tryToLoginGtask(activity, authToken)) {
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return false;
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}
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}
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mLoggedin = true;
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return true;
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}
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/**
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* <p>登录Google账号并获取认证令牌。</p>
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* <p>业务逻辑：</p>
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* <ul>
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* <li>获取设备上所有的Google账号</li>
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* <li>根据设置中选择的账号名查找对应的Account对象</li>
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* <li>使用AccountManager获取该账号的认证令牌</li>
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* <li>如果需要，可以使现有令牌失效并重新获取</li>
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* </ul>
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*
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* @param activity 当前活动的Activity，用于获取AccountManager
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* @param invalidateToken 是否使现有令牌失效
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* @return 认证令牌字符串，如果获取失败则返回null
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*/
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private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
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String authToken;
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AccountManager accountManager = AccountManager.get(activity);
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Account[] accounts = accountManager.getAccountsByType("com.google");
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if (accounts.length == 0) {
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Log.e(TAG, "there is no available google account");
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return null;
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}
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String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
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Account account = null;
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for (Account a : accounts) {
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if (a.name.equals(accountName)) {
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account = a;
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break;
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}
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}
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if (account != null) {
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mAccount = account;
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} else {
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Log.e(TAG, "unable to get an account with the same name in the settings");
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return null;
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}
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// get the token now
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AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
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"goanna_mobile", null, activity, null, null);
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try {
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Bundle authTokenBundle = accountManagerFuture.getResult();
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authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
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if (invalidateToken) {
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accountManager.invalidateAuthToken("com.google", authToken);
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loginGoogleAccount(activity, false);
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}
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} catch (Exception e) {
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Log.e(TAG, "get auth token failed");
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authToken = null;
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}
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return authToken;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>尝试登录Google任务API。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>首先使用提供的认证令牌尝试登录</li>
|
|
|
|
|
* <li>如果登录失败，可能是令牌过期，此时使令牌失效并重新获取</li>
|
|
|
|
|
* <li>使用新的认证令牌再次尝试登录</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param activity 当前活动的Activity，用于重新获取认证令牌
|
|
|
|
|
* @param authToken Google账号的认证令牌
|
|
|
|
|
* @return true表示登录成功，false表示登录失败
|
|
|
|
|
*/
|
|
|
|
|
private boolean tryToLoginGtask(Activity activity, String authToken) {
|
|
|
|
|
if (!loginGtask(authToken)) {
|
|
|
|
|
// maybe the auth token is out of date, now let's invalidate the
|
|
|
|
|
// token and try again
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>登录Google任务API的核心方法。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>配置HTTP客户端的连接和套接字超时时间</li>
|
|
|
|
|
* <li>创建Cookie存储以保存认证信息</li>
|
|
|
|
|
* <li>发送HTTP GET请求进行登录认证</li>
|
|
|
|
|
* <li>检查响应中是否包含认证Cookie</li>
|
|
|
|
|
* <li>从响应中解析出客户端版本号</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param authToken Google账号的认证令牌
|
|
|
|
|
* @return true表示登录成功，false表示登录失败
|
|
|
|
|
*/
|
|
|
|
|
private boolean loginGtask(String authToken) {
|
|
|
|
|
int timeoutConnection = 10000;
|
|
|
|
|
int timeoutSocket = 15000;
|
|
|
|
|
HttpParams httpParameters = new BasicHttpParams();
|
|
|
|
|
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
|
|
|
|
|
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
|
|
|
|
|
mHttpClient = new DefaultHttpClient(httpParameters);
|
|
|
|
|
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
|
|
|
|
|
mHttpClient.setCookieStore(localBasicCookieStore);
|
|
|
|
|
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
|
|
|
|
|
|
|
|
|
|
// login gtask
|
|
|
|
|
try {
|
|
|
|
|
String loginUrl = mGetUrl + "?auth=" + authToken;
|
|
|
|
|
HttpGet httpGet = new HttpGet(loginUrl);
|
|
|
|
|
HttpResponse response = null;
|
|
|
|
|
response = mHttpClient.execute(httpGet);
|
|
|
|
|
|
|
|
|
|
// get the cookie now
|
|
|
|
|
List<Cookie> 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
|
|
|
|
|
String resString = getResponseContent(response.getEntity());
|
|
|
|
|
String jsBegin = "_setup(";
|
|
|
|
|
String jsEnd = ")}</script>";
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>获取操作ID。</p>
|
|
|
|
|
* <p>业务逻辑：返回当前操作ID并自增，用于跟踪API请求。</p>
|
|
|
|
|
*
|
|
|
|
|
* @return 当前操作ID
|
|
|
|
|
*/
|
|
|
|
|
private int getActionId() {
|
|
|
|
|
return mActionId++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>创建HTTP POST请求。</p>
|
|
|
|
|
* <p>业务逻辑：配置POST请求的URL和请求头。</p>
|
|
|
|
|
*
|
|
|
|
|
* @return 配置好的HttpPost对象
|
|
|
|
|
*/
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>获取HTTP响应内容。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>检查响应内容的编码方式</li>
|
|
|
|
|
* <li>如果是gzip或deflate压缩格式，进行解压处理</li>
|
|
|
|
|
* <li>将响应内容转换为字符串</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param entity HTTP响应实体
|
|
|
|
|
* @return 响应内容字符串
|
|
|
|
|
* @throws IOException 如果读取或解压响应内容时发生错误
|
|
|
|
|
*/
|
|
|
|
|
private String getResponseContent(HttpEntity entity) throws IOException {
|
|
|
|
|
String contentEncoding = null;
|
|
|
|
|
if (entity.getContentEncoding() != null) {
|
|
|
|
|
contentEncoding = entity.getContentEncoding().getValue();
|
|
|
|
|
Log.d(TAG, "encoding: " + contentEncoding);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
InputStream input = entity.getContent();
|
|
|
|
|
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
|
|
|
|
|
input = new GZIPInputStream(entity.getContent());
|
|
|
|
|
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
|
|
|
|
|
Inflater inflater = new Inflater(true);
|
|
|
|
|
input = new InflaterInputStream(entity.getContent(), inflater);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
try {
|
|
|
|
|
InputStreamReader isr = new InputStreamReader(input);
|
|
|
|
|
BufferedReader br = new BufferedReader(isr);
|
|
|
|
|
StringBuilder sb = new StringBuilder();
|
|
|
|
|
|
|
|
|
|
while (true) {
|
|
|
|
|
String buff = br.readLine();
|
|
|
|
|
if (buff == null) {
|
|
|
|
|
return sb.toString();
|
|
|
|
|
}
|
|
|
|
|
sb = sb.append(buff);
|
|
|
|
|
}
|
|
|
|
|
} finally {
|
|
|
|
|
input.close();
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>发送POST请求到Google任务API。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>检查登录状态，未登录则抛出异常</li>
|
|
|
|
|
* <li>创建并配置HTTP POST请求</li>
|
|
|
|
|
* <li>将JSON数据转换为请求实体</li>
|
|
|
|
|
* <li>发送请求并获取响应</li>
|
|
|
|
|
* <li>将响应内容转换为JSON对象</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param js 要发送的JSON对象
|
|
|
|
|
* @return 响应的JSON对象
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
|
|
|
|
|
if (!mLoggedin) {
|
|
|
|
|
Log.e(TAG, "please login first");
|
|
|
|
|
throw new ActionFailureException("not logged in");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
HttpPost httpPost = createHttpPost();
|
|
|
|
|
try {
|
|
|
|
|
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
|
|
|
|
|
list.add(new BasicNameValuePair("r", js.toString()));
|
|
|
|
|
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
|
|
|
|
|
httpPost.setEntity(entity);
|
|
|
|
|
|
|
|
|
|
// execute the post
|
|
|
|
|
HttpResponse response = mHttpClient.execute(httpPost);
|
|
|
|
|
String jsString = getResponseContent(response.getEntity());
|
|
|
|
|
return new JSONObject(jsString);
|
|
|
|
|
|
|
|
|
|
} catch (ClientProtocolException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new NetworkFailureException("postRequest failed");
|
|
|
|
|
} catch (IOException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new NetworkFailureException("postRequest failed");
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new ActionFailureException("unable to convert response content to jsonobject");
|
|
|
|
|
} catch (Exception e) {
|
|
|
|
|
Log.e(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
throw new ActionFailureException("error occurs when posting request");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>创建新的Google任务。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>提交当前累积的更新操作</li>
|
|
|
|
|
* <li>创建任务的JSON表示</li>
|
|
|
|
|
* <li>发送创建任务的POST请求</li>
|
|
|
|
|
* <li>从响应中获取新创建任务的GID并设置到任务对象中</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param task 要创建的任务对象
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>创建新的Google任务列表。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>提交当前累积的更新操作</li>
|
|
|
|
|
* <li>创建任务列表的JSON表示</li>
|
|
|
|
|
* <li>发送创建任务列表的POST请求</li>
|
|
|
|
|
* <li>从响应中获取新创建任务列表的GID并设置到任务列表对象中</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param tasklist 要创建的任务列表对象
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>提交累积的更新操作。</p>
|
|
|
|
|
* <p>业务逻辑：将累积在mUpdateArray中的所有更新操作发送到Google任务API。</p>
|
|
|
|
|
*
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>添加节点更新操作到累积列表。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>如果累积的更新操作超过10个，先提交这些更新</li>
|
|
|
|
|
* <li>将节点的更新操作添加到累积列表中</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param node 要更新的节点对象
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败（当提交累积更新时）
|
|
|
|
|
*/
|
|
|
|
|
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()));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>移动任务到新的父任务列表或在同一列表中重新排序。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>提交当前累积的更新操作</li>
|
|
|
|
|
* <li>创建移动任务的JSON表示</li>
|
|
|
|
|
* <li>如果在同一列表内移动且不是第一个任务，设置前一个兄弟任务的ID</li>
|
|
|
|
|
* <li>发送移动任务的POST请求</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param task 要移动的任务
|
|
|
|
|
* @param preParent 任务的当前父任务列表
|
|
|
|
|
* @param curParent 任务的新父任务列表
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
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
|
|
|
|
|
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());
|
|
|
|
|
if (preParent != curParent) {
|
|
|
|
|
// put the dest_list only if moving between tasklists
|
|
|
|
|
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
|
|
|
|
|
}
|
|
|
|
|
actionList.put(action);
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>删除节点。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>提交当前累积的更新操作</li>
|
|
|
|
|
* <li>将节点标记为已删除</li>
|
|
|
|
|
* <li>创建删除节点的JSON表示</li>
|
|
|
|
|
* <li>发送删除节点的POST请求</li>
|
|
|
|
|
* <li>清空累积的更新列表</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @param node 要删除的节点
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
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()));
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* <p>获取所有的Google任务列表。</p>
|
|
|
|
|
* <p>业务逻辑：</p>
|
|
|
|
|
* <ul>
|
|
|
|
|
* <li>检查登录状态</li>
|
|
|
|
|
* <li>发送获取任务列表的GET请求</li>
|
|
|
|
|
* <li>解析响应内容，提取任务列表数据</li>
|
|
|
|
|
* </ul>
|
|
|
|
|
*
|
|
|
|
|
* @return 任务列表的JSON数组
|
|
|
|
|
* @throws NetworkFailureException 如果网络请求失败
|
|
|
|
|
*/
|
|
|
|
|
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
|
|
|
|
|
String resString = getResponseContent(response.getEntity());
|
|
|
|
|
String jsBegin = "_setup(";
|
|
|
|
|
String jsEnd = ")}</script>";
|
|
|
|
|
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);
|
|
|
|
|
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");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
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;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void resetUpdateArray() {
|
|
|
|
|
mUpdateArray = null;
|
|
|
|
|
}
|
|
|
|
|
}
|
