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

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2012 Bartek Przybylski
   3  *   Copyright (C) 2012-2013 ownCloud Inc.
   4  *
   5  *   This program is free software: you can redistribute it and/or modify
   6  *   it under the terms of the GNU General Public License as published by
   7  *   the Free Software Foundation, either version 2 of the License, or
   8  *   (at your option) any later version.
   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
  20 package com.owncloud.android.operations;
  21
  22 import java.io.File;
  23 import java.io.IOException;
  24 import java.io.RandomAccessFile;
  25 import java.nio.channels.FileChannel;
  26 import java.util.Random;
  27
  28 import org.apache.commons.httpclient.HttpException;
  29 import org.apache.commons.httpclient.methods.PutMethod;
  30
  31 import com.owncloud.android.datamodel.OCFile;
  32 import com.owncloud.android.network.ProgressiveDataTransferer;
  33
  34 import android.accounts.Account;
  35 import android.util.Log;
  36
  37 import eu.alefzero.webdav.ChunkFromFileChannelRequestEntity;
  38 import eu.alefzero.webdav.WebdavClient;
  39 import eu.alefzero.webdav.WebdavUtils;
  40
  41 public class ChunkedUploadFileOperation extends UploadFileOperation {
  42
  43     private static final long CHUNK_SIZE = 1024000;
  44     private static final String OC_CHUNKED_HEADER = "OC-Chunked";
  45     private static final String TAG = ChunkedUploadFileOperation.class.getSimpleName();
  46
  47     public ChunkedUploadFileOperation(  Account account,
  48                                         OCFile file,
  49                                         boolean isInstant,
  50                                         boolean forceOverwrite,
  51                                         int localBehaviour) {
  52
  53         super(account, file, isInstant, forceOverwrite, localBehaviour);
  54     }
  55
  56     @Override
  57     protected int uploadFile(WebdavClient client) throws HttpException, IOException {
  58         int status = -1;
  59
  60         FileChannel channel = null;
  61         RandomAccessFile raf = null;
  62         try {
  63             File file = new File(getStoragePath());
  64             raf = new RandomAccessFile(file, "r");
  65             channel = raf.getChannel();
  66             mEntity = new ChunkFromFileChannelRequestEntity(channel, getMimeType(), CHUNK_SIZE, file);
  67             ((ProgressiveDataTransferer)mEntity).addDatatransferProgressListeners(getDataTransferListeners());
  68             long offset = 0;
  69             String uriPrefix = client.getBaseUri() + WebdavUtils.encodePath(getRemotePath()) + "-chunking-" + Math.abs((new Random()).nextInt(9000)+1000) + "-" ;
  70             long chunkCount = (long) Math.ceil((double)file.length() / CHUNK_SIZE);
  71             for (int chunkIndex = 0; chunkIndex < chunkCount ; chunkIndex++, offset += CHUNK_SIZE) {
  72                 mPutMethod = new PutMethod(uriPrefix + chunkCount + "-" + chunkIndex);
  73                 mPutMethod.addRequestHeader(OC_CHUNKED_HEADER, OC_CHUNKED_HEADER);
  74                 ((ChunkFromFileChannelRequestEntity)mEntity).setOffset(offset);
  75                 mPutMethod.setRequestEntity(mEntity);
  76                 status = client.executeMethod(mPutMethod);
  77                 client.exhaustResponse(mPutMethod.getResponseBodyAsStream());
  78                 Log.d(TAG, "Upload of " + getStoragePath() + " to " + getRemotePath() + ", chunk index " + chunkIndex + ", count " + chunkCount + ", HTTP result status " + status);
  79                 if (!isSuccess(status))
  80                     break;
  81             }
  82
  83         } finally {
  84             if (channel != null)
  85                 channel.close();
  86             if (raf != null)
  87                 raf.close();
  88             if (mPutMethod != null)
  89                 mPutMethod.releaseConnection();    // let the connection available for other methods
  90         }
  91         return status;
  92     }
  93
  94 }