src/com/owncloud/android/operations/RemoveFileOperation.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012-2013 ownCloud Inc.
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License version 2,
   6  *   as published by the Free Software Foundation.
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details.
  12  *
  13  *   You should have received a copy of the GNU General Public License
  14  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  */
  17
  18 package com.owncloud.android.operations;
  19
  20 import org.apache.commons.httpclient.HttpStatus;
  21 import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
  22
  23 import com.owncloud.android.Log_OC;
  24 import com.owncloud.android.datamodel.FileDataStorageManager;
  25 import com.owncloud.android.datamodel.OCFile;
  26
  27
  28 import eu.alefzero.webdav.WebdavClient;
  29 import eu.alefzero.webdav.WebdavUtils;
  30
  31 /**
  32  * Remote operation performing the removal of a remote file or folder in the ownCloud server.
  33  *
  34  * @author David A. Velasco
  35  */
  36 public class RemoveFileOperation extends RemoteOperation {
  37
  38     private static final String TAG = RemoveFileOperation.class.getSimpleName();
  39
  40     private static final int REMOVE_READ_TIMEOUT = 10000;
  41     private static final int REMOVE_CONNECTION_TIMEOUT = 5000;
  42
  43     OCFile mFileToRemove;
  44     boolean mDeleteLocalCopy;
  45     FileDataStorageManager mDataStorageManager;
  46
  47
  48     /**
  49      * Constructor
  50      *
  51      * @param fileToRemove          OCFile instance describing the remote file or folder to remove from the server
  52      * @param deleteLocalCopy       When 'true', and a local copy of the file exists, it is also removed.
  53      * @param storageManager        Reference to the local database corresponding to the account where the file is contained.
  54      */
  55     public RemoveFileOperation(OCFile fileToRemove, boolean deleteLocalCopy, FileDataStorageManager storageManager) {
  56         mFileToRemove = fileToRemove;
  57         mDeleteLocalCopy = deleteLocalCopy;
  58         mDataStorageManager = storageManager;
  59     }
  60
  61
  62     /**
  63      * Getter for the file to remove (or removed, if the operation was successfully performed).
  64      *
  65      * @return      File to remove or already removed.
  66      */
  67     public OCFile getFile() {
  68         return mFileToRemove;
  69     }
  70
  71
  72     /**
  73      * Performs the remove operation
  74      *
  75      * @param   client      Client object to communicate with the remote ownCloud server.
  76      */
  77     @Override
  78     protected RemoteOperationResult run(WebdavClient client) {
  79         RemoteOperationResult result = null;
  80         DeleteMethod delete = null;
  81         try {
  82             delete = new DeleteMethod(client.getBaseUri() + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
  83             int status = client.executeMethod(delete, REMOVE_READ_TIMEOUT, REMOVE_CONNECTION_TIMEOUT);
  84             if (delete.succeeded() || status == HttpStatus.SC_NOT_FOUND) {
  85                 mDataStorageManager.removeFile(mFileToRemove, true, mDeleteLocalCopy);
  86             }
  87             delete.getResponseBodyAsString();   // exhaust the response, although not interesting
  88             result = new RemoteOperationResult((delete.succeeded() || status == HttpStatus.SC_NOT_FOUND), status, delete.getResponseHeaders());
  89             Log_OC.i(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage());
  90
  91         } catch (Exception e) {
  92             result = new RemoteOperationResult(e);
  93             Log_OC.e(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage(), e);
  94
  95         } finally {
  96             if (delete != null)
  97                 delete.releaseConnection();
  98         }
  99         return result;
 100     }
 101
 102 }