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 as published by
   6  *   the Free Software Foundation, either version 2 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.Log_OC;
  27 import com.owncloud.android.datamodel.DataStorageManager;
  28 import com.owncloud.android.datamodel.OCFile;
  29
  30 import eu.alefzero.webdav.WebdavClient;
  31 import eu.alefzero.webdav.WebdavUtils;
  32
  33 /**
  34  * Remote operation performing the removal of a remote file or folder in the ownCloud server.
  35  *
  36  * @author David A. Velasco
  37  */
  38 public class RemoveFileOperation extends RemoteOperation {
  39
  40     private static final String TAG = RemoveFileOperation.class.getSimpleName();
  41
  42     private static final int REMOVE_READ_TIMEOUT = 10000;
  43     private static final int REMOVE_CONNECTION_TIMEOUT = 5000;
  44
  45     OCFile mFileToRemove;
  46     boolean mDeleteLocalCopy;
  47     DataStorageManager mDataStorageManager;
  48
  49
  50     /**
  51      * Constructor
  52      *
  53      * @param fileToRemove          OCFile instance describing the remote file or folder to remove from the server
  54      * @param deleteLocalCopy       When 'true', and a local copy of the file exists, it is also removed.
  55      * @param storageManager        Reference to the local database corresponding to the account where the file is contained.
  56      */
  57     public RemoveFileOperation(OCFile fileToRemove, boolean deleteLocalCopy, DataStorageManager storageManager) {
  58         mFileToRemove = fileToRemove;
  59         mDeleteLocalCopy = deleteLocalCopy;
  60         mDataStorageManager = storageManager;
  61     }
  62
  63
  64     /**
  65      * Getter for the file to remove (or removed, if the operation was successfully performed).
  66      *
  67      * @return      File to remove or already removed.
  68      */
  69     public OCFile getFile() {
  70         return mFileToRemove;
  71     }
  72
  73
  74     /**
  75      * Performs the remove operation
  76      *
  77      * @param   client      Client object to communicate with the remote ownCloud server.
  78      */
  79     @Override
  80     protected RemoteOperationResult run(WebdavClient client) {
  81         RemoteOperationResult result = null;
  82         DeleteMethod delete = null;
  83         try {
  84             delete = new DeleteMethod(client.getBaseUri() + WebdavUtils.encodePath(mFileToRemove.getRemotePath()));
  85             int status = client.executeMethod(delete, REMOVE_READ_TIMEOUT, REMOVE_CONNECTION_TIMEOUT);
  86             if (delete.succeeded() || status == HttpStatus.SC_NOT_FOUND) {
  87                 if (mFileToRemove.isDirectory()) {
  88                     mDataStorageManager.removeDirectory(mFileToRemove, true, mDeleteLocalCopy);
  89                 } else {
  90                     mDataStorageManager.removeFile(mFileToRemove, mDeleteLocalCopy);
  91                 }
  92             }
  93             delete.getResponseBodyAsString();   // exhaust the response, although not interesting
  94             result = new RemoteOperationResult((delete.succeeded() || status == HttpStatus.SC_NOT_FOUND), status);
  95             Log_OC.i(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage());
  96
  97         } catch (Exception e) {
  98             result = new RemoteOperationResult(e);
  99             Log_OC.e(TAG, "Remove " + mFileToRemove.getRemotePath() + ": " + result.getLogMessage(), e);
 100
 101         } finally {
 102             if (delete != null)
 103                 delete.releaseConnection();
 104         }
 105         return result;
 106     }
 107
 108 }