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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   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 as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package com.owncloud.android.operations;
  20
  21 import org.apache.commons.httpclient.HttpStatus;
  22 import org.apache.jackrabbit.webdav.client.methods.DeleteMethod;
  23
  24 import android.util.Log;
  25
  26 import com.owncloud.android.datamodel.DataStorageManager;
  27 import com.owncloud.android.datamodel.OCFile;
  28
  29 import eu.alefzero.webdav.WebdavClient;
  30 import eu.alefzero.webdav.WebdavUtils;
  31
  32 /**
  33  * Remote operation performing the removal of a remote file or folder in the ownCloud server.
  34  *
  35  * @author David A. Velasco
  36  */
  37 public class RemoveFileOperation extends RemoteOperation {
  38
  39     private static final String TAG = RemoveFileOperation.class.getSimpleName();
  40
  41     private static final int REMOVE_READ_TIMEOUT = 10000;
  42     private static final int REMOVE_CONNECTION_TIMEOUT = 5000;
  43
  44     OCFile mFileToRemove;
  45     boolean mDeleteLocalCopy;
  46     DataStorageManager mDataStorageManager;
  47
  48
  49     /**
  50      * Constructor
  51      *
  52      * @param fileToRemove          OCFile instance describing the remote file or folder to remove from the server
  53      * @param deleteLocalCopy       When 'true', and a local copy of the file exists, it is also removed.
  54      * @param storageManager        Reference to the local database corresponding to the account where the file is contained.
  55      */
  56     public RemoveFileOperation(OCFile fileToRemove, boolean deleteLocalCopy, DataStorageManager storageManager) {
  57         mFileToRemove = fileToRemove;
  58         mDeleteLocalCopy = deleteLocalCopy;
  59         mDataStorageManager = storageManager;
  60     }
  61
  62
  63     /**
  64      * Getter for the file to remove (or removed, if the operation was successfully performed).
  65      *
  66      * @return      File to remove or already removed.
  67      */
  68     public OCFile getFile() {
  69         return mFileToRemove;
  70     }
  71
  72
  73     /**
  74      * Performs the remove operation
  75      *
  76      * @param   client      Client object to communicate with the remote ownCloud server.
  77      */
  78     @Override
  79     protected RemoteOperationResult run(WebdavClient client) {
  80         RemoteOperationResult result = null;
  81         DeleteMethod delete = null;
  82         try {
  83             delete = new DeleteMethod(client.getBaseUri() + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
  84             int status = client.executeMethod(delete, REMOVE_READ_TIMEOUT, REMOVE_CONNECTION_TIMEOUT);
  85             if (delete.succeeded() || status == HttpStatus.SC_NOT_FOUND) {
  86                 if (mFileToRemove.isDirectory()) {
  87                     mDataStorageManager.removeDirectory(mFileToRemove, true, mDeleteLocalCopy);
  88                 } else {
  89                     mDataStorageManager.removeFile(mFileToRemove, mDeleteLocalCopy);
  90                 }
  91             }
  92             delete.getResponseBodyAsString();   // exhaust the response, although not interesting
  93             result = new RemoteOperationResult((delete.succeeded() || status == HttpStatus.SC_NOT_FOUND), status);
  94             Log.i(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage());
  95
  96         } catch (Exception e) {
  97             result = new RemoteOperationResult(e);
  98             Log.e(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage(), e);
  99
 100         } finally {
 101             if (delete != null)
 102                 delete.releaseConnection();
 103         }
 104         return result;
 105     }
 106
 107 }