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.DataStorageManager;
  25 import com.owncloud.android.datamodel.OCFile;
  26
  27 import eu.alefzero.webdav.WebdavClient;
  28 import eu.alefzero.webdav.WebdavUtils;
  29
  30 /**
  31  * Remote operation performing the removal of a remote file or folder in the ownCloud server.
  32  *
  33  * @author David A. Velasco
  34  */
  35 public class RemoveFileOperation extends RemoteOperation {
  36
  37     private static final String TAG = RemoveFileOperation.class.getSimpleName();
  38
  39     private static final int REMOVE_READ_TIMEOUT = 10000;
  40     private static final int REMOVE_CONNECTION_TIMEOUT = 5000;
  41
  42     OCFile mFileToRemove;
  43     boolean mDeleteLocalCopy;
  44     DataStorageManager mDataStorageManager;
  45
  46
  47     /**
  48      * Constructor
  49      *
  50      * @param fileToRemove          OCFile instance describing the remote file or folder to remove from the server
  51      * @param deleteLocalCopy       When 'true', and a local copy of the file exists, it is also removed.
  52      * @param storageManager        Reference to the local database corresponding to the account where the file is contained.
  53      */
  54     public RemoveFileOperation(OCFile fileToRemove, boolean deleteLocalCopy, DataStorageManager storageManager) {
  55         mFileToRemove = fileToRemove;
  56         mDeleteLocalCopy = deleteLocalCopy;
  57         mDataStorageManager = storageManager;
  58     }
  59
  60
  61     /**
  62      * Getter for the file to remove (or removed, if the operation was successfully performed).
  63      *
  64      * @return      File to remove or already removed.
  65      */
  66     public OCFile getFile() {
  67         return mFileToRemove;
  68     }
  69
  70
  71     /**
  72      * Performs the remove operation
  73      *
  74      * @param   client      Client object to communicate with the remote ownCloud server.
  75      */
  76     @Override
  77     protected RemoteOperationResult run(WebdavClient client) {
  78         RemoteOperationResult result = null;
  79         DeleteMethod delete = null;
  80         try {
  81             delete = new DeleteMethod(client.getBaseUri() + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
  82             int status = client.executeMethod(delete, REMOVE_READ_TIMEOUT, REMOVE_CONNECTION_TIMEOUT);
  83             if (delete.succeeded() || status == HttpStatus.SC_NOT_FOUND) {
  84                 if (mFileToRemove.isDirectory()) {
  85                     mDataStorageManager.removeDirectory(mFileToRemove, true, mDeleteLocalCopy);
  86                 } else {
  87                     mDataStorageManager.removeFile(mFileToRemove, mDeleteLocalCopy);
  88                 }
  89             }
  90             delete.getResponseBodyAsString();   // exhaust the response, although not interesting
  91             result = new RemoteOperationResult((delete.succeeded() || status == HttpStatus.SC_NOT_FOUND), status, delete.getResponseHeaders());
  92             Log_OC.i(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage());
  93
  94         } catch (Exception e) {
  95             result = new RemoteOperationResult(e);
  96             Log_OC.e(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage(), e);
  97
  98         } finally {
  99             if (delete != null)
 100                 delete.releaseConnection();
 101         }
 102         return result;
 103     }
 104
 105 }