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@ -61,9 +61,18 @@ import java.util.zip.Inflater;
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import java.util.zip.InflaterInputStream;
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/**
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* @Description: 主要功能：实现GTASK的登录操作，进行GTASK任务的创建，创建任务列表，从网络上获取任务和任务列表的内容
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* 主要使用类或技术：accountManager JSONObject HttpParams authToken Gid
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* @author zyh
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*/
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public class GTaskClient {
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private static final String TAG = GTaskClient.class.getSimpleName();
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/**
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* @Description: get\post方法
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* @author zyh
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*/
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private static final String GTASK_URL = "https://mail.google.com/tasks/";
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private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
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@ -90,6 +99,10 @@ public class GTaskClient {
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private JSONArray mUpdateArray;
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/**
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* @Description: 构造方法
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* @author zyh
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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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@ -102,6 +115,12 @@ public class GTaskClient {
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mUpdateArray = null;
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}
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/**
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* @Description: 用来获取的实例化对象
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* 使用 getInstance()
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* 返回mInstance这个实例化对象
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* @author zyh
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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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@ -109,27 +128,54 @@ public class GTaskClient {
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return mInstance;
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}
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/**
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* @Description: 用来实现登录操作的函数，传入的参数是一个Activity
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*设置登录操作限制时间，如果超时则需要重新登录
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*有两种登录方式，使用用户自己的URL登录或者使用谷歌官方的URL登录
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*返回true或者false，即最后是否登陆成功
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* @author zyh
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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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/**
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* @Description: 判断距离最后一次登录操作是否超过5分钟
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* @author zyh
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*/
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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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/**
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* @Description: 重新登录操作
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* @author zyh
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*/
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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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/**
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* @Description: 如果没超过时间，则不需要重新登录
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* @author zyh
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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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/**
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* @Description: 更新最后登录时间，改为系统当前的时间
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* @author zyh
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*/
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mLastLoginTime = System.currentTimeMillis();
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/**
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* @Description: 判断是否登录到谷歌账户
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* @author zyh
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*/
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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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@ -137,13 +183,25 @@ public class GTaskClient {
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}
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// login with custom domain if necessary
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/**
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* @Description: 尝试使用用户自己的域名登录
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* @author zyh
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*/
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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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/**
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* @Description: 设置用户对应的getUrl
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* @author zyh
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*/
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mGetUrl = url.toString() + "ig";
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/**
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* @Description: 设置用户对应的postUrl
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* @author zyh
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*/
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mPostUrl = url.toString() + "r/ig";
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if (tryToLoginGtask(activity, authToken)) {
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@ -152,6 +210,10 @@ public class GTaskClient {
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}
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// try to login with google official url
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/**
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* @Description: 如果用户账户无法登录，则使用谷歌官方的URI进行登录
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* @author zyh
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*/
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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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@ -164,9 +226,28 @@ public class GTaskClient {
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return true;
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}
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/**
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* @Description: 具体实现登录谷歌账户的方法
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*使用令牌机制
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*使用AccountManager来管理注册账号
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*返回值是账号的令牌
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* @author zyh
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*/
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private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
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/**
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* @Description: 令牌，是登录操作保证安全性的一个方法
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* @author zyh
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*/
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String authToken;
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/**
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* @Description: AccountManager这个类给用户提供了集中注册账号的接口
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* @author zyh
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*/
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AccountManager accountManager = AccountManager.get(activity);
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/**
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* @Description: 获取全部以com.google结尾的accoun
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* @author zyh
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*/
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Account[] accounts = accountManager.getAccountsByType("com.google");
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if (accounts.length == 0) {
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@ -176,6 +257,10 @@ public class GTaskClient {
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String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
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Account account = null;
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/**
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* @Description: 遍历获得的accounts信息，寻找已经记录过的账户信息
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* @author zyh
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*/
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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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@ -190,11 +275,19 @@ public class GTaskClient {
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}
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// get the token now
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/**
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* @Description: 获取选中账号的令牌
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* @author zyh
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*/
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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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/**
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* @Description: 如果是invalidateToken，那么需要调用invalidateAuthToken(String, String)方法废除这个无效token
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* @author zyh
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*/
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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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@ -323,12 +416,24 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: *通过JSON发送请求
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*请求的具体内容在json的实例化对象js中然后传入
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*利用UrlEncodedFormEntity entity和httpPost.setEntity(entity)方法把js中的内容放置到httpPost中
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*执行请求后使用getResponseContent方法得到返回的数据和资源
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*将资源再次放入json后返回
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* @author zyh
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*/
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private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
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if (!mLoggedin) {
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Log.e(TAG, "please login first");
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throw new ActionFailureException("not logged in");
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}
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/**
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* @Description: 实例化一个httpPost的对象用来向服务器传输数据，在这里就是发送请求，而请求的内容在js里
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* @author zyh
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*/
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HttpPost httpPost = createHttpPost();
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try {
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LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
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@ -337,6 +442,10 @@ public class GTaskClient {
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httpPost.setEntity(entity);
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// execute the post
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/**
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* @Description: 执行这个请求
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* @author zyh
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*/
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HttpResponse response = mHttpClient.execute(httpPost);
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String jsString = getResponseContent(response.getEntity());
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return new JSONObject(jsString);
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@ -360,6 +469,14 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: 创建单个任务
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* * 传入参数是一个.gtask.data.Task包里Task类的对象
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* * 利用json获取Task里的内容,并且创建相应的jsPost
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* * 利用postRequest得到任务的返回信息
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* * 使用task.setGid设置task的new_ID
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* @author zyh
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*/
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public void createTask(Task task) throws NetworkFailureException {
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commitUpdate();
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try {
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@ -386,6 +503,10 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: 创建一个任务列表，与createTask几乎一样，区别就是最后设置的是tasklist的gid
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* @author zyh
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*/
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public void createTaskList(TaskList tasklist) throws NetworkFailureException {
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commitUpdate();
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try {
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@ -412,6 +533,12 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: 同步更新操作
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* 使用JSONObject进行数据存储，使用jsPost.put，Put的信息包括UpdateArray和ClientVersion
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* 使用postRequest发送这个jspost,进行处理
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* @author zyh
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*/
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public void commitUpdate() throws NetworkFailureException {
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if (mUpdateArray != null) {
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try {
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@ -433,6 +560,11 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: 添加更新的事项
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* 调用commitUpdate()实现
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* @author zyh
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*/
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public void addUpdateNode(Node node) throws NetworkFailureException {
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if (node != null) {
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// too many update items may result in an error
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@ -447,6 +579,13 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: 移动task, 比如讲task移动到不同的task列表中去
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* 通过getGid获取task所属列表的gid
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* 通过JSONObject.put(String name, Object value)函数设置移动后的task的相关属性值，从而达到移动的目的
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* 最后还是通过postRequest进行更新后的发送
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* @author zyh
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*/
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public void moveTask(Task task, TaskList preParent, TaskList curParent)
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throws NetworkFailureException {
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commitUpdate();
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@ -547,6 +686,10 @@ public class GTaskClient {
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}
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}
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/**
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* @Description: 通过传入的TASKList的gid,从网络上获取相应属于这个任务列表的任务
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* @author zyh
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*/
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public JSONArray getTaskList(String listGid) throws NetworkFailureException {
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commitUpdate();
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try {
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sleephardzz
3 years ago