src/com/owncloud/android/authentication/AuthenticatorAsyncTask.java

   1 /* ownCloud Android client application
   2  *
   3  *   @author masensio on 09/02/2015.
   4  *   Copyright (C) 2012-2015 ownCloud Inc.
   5  *
   6  *   This program is free software: you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License version 2,
   8  *   as published by the Free Software Foundation.
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19 package com.owncloud.android.authentication;
  20
  21 import android.app.Activity;
  22 import android.content.Context;
  23 import android.net.Uri;
  24 import android.os.AsyncTask;
  25
  26 import com.owncloud.android.lib.common.OwnCloudClient;
  27 import com.owncloud.android.lib.common.OwnCloudClientFactory;
  28 import com.owncloud.android.lib.common.OwnCloudCredentials;
  29 import com.owncloud.android.lib.common.operations.RemoteOperationResult;
  30 import com.owncloud.android.lib.resources.files.ExistenceCheckRemoteOperation;
  31
  32 import java.lang.ref.WeakReference;
  33
  34
  35 /**
  36  * Async Task to verify the credentials of a user
  37  */
  38 public class AuthenticatorAsyncTask  extends AsyncTask<Object, Void, RemoteOperationResult> {
  39
  40     private static String REMOTE_PATH = "/";
  41     private static boolean SUCCESS_IF_ABSENT = false;
  42
  43     private Context mContext;
  44     private final WeakReference<OnAuthenticatorTaskListener> mListener;
  45     protected Activity mActivity;
  46
  47     public AuthenticatorAsyncTask(Activity activity) {
  48         mContext = activity.getApplicationContext();
  49         mListener = new WeakReference<OnAuthenticatorTaskListener>((OnAuthenticatorTaskListener)activity);
  50     }
  51
  52     @Override
  53     protected RemoteOperationResult doInBackground(Object... params) {
  54
  55         RemoteOperationResult result;
  56         if (params!= null && params.length==2) {
  57             String url = (String)params[0];
  58             OwnCloudCredentials credentials = (OwnCloudCredentials)params[1];
  59
  60             // Client
  61             Uri uri = Uri.parse(url);
  62             OwnCloudClient client = OwnCloudClientFactory.createOwnCloudClient(uri, mContext, true);
  63
  64             client.setCredentials(credentials);
  65
  66             // Operation
  67             ExistenceCheckRemoteOperation operation = new ExistenceCheckRemoteOperation(
  68                     REMOTE_PATH,
  69                     mContext,
  70                     SUCCESS_IF_ABSENT
  71             );
  72             result = operation.execute(client);
  73
  74         } else {
  75             result = new RemoteOperationResult(RemoteOperationResult.ResultCode.UNKNOWN_ERROR);
  76         }
  77
  78         return result;
  79     }
  80
  81     @Override
  82     protected void onPostExecute(RemoteOperationResult result) {
  83
  84         if (result!= null)
  85         {
  86             OnAuthenticatorTaskListener listener = mListener.get();
  87             if (listener!= null)
  88             {
  89                 listener.onAuthenticatorTaskCallback(result);
  90             }
  91         }
  92     }
  93     /*
  94      * Interface to retrieve data from recognition task
  95      */
  96     public interface OnAuthenticatorTaskListener{
  97
  98         void onAuthenticatorTaskCallback(RemoteOperationResult result);
  99     }
 100 }