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   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 version 2,
   7  *   as published by the Free Software Foundation.
   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.oc_framework.operations.remote;
  20
  21 import java.io.File;
  22 import java.io.IOException;
  23 import java.io.RandomAccessFile;
  24 import java.nio.channels.FileChannel;
  25 import java.util.Random;
  26
  27 import org.apache.commons.httpclient.HttpException;
  28 import org.apache.commons.httpclient.methods.PutMethod;
  29
  30 import com.owncloud.android.oc_framework.network.ProgressiveDataTransferer;
  31 import com.owncloud.android.oc_framework.network.webdav.ChunkFromFileChannelRequestEntity;
  32 import com.owncloud.android.oc_framework.network.webdav.WebdavClient;
  33 import com.owncloud.android.oc_framework.network.webdav.WebdavUtils;
  34
  35
  36 import android.util.Log;
  37
  38
  39 public class ChunkedUploadRemoteFileOperation extends UploadRemoteFileOperation {
  40
  41     public static final long CHUNK_SIZE = 1024000;
  42     private static final String OC_CHUNKED_HEADER = "OC-Chunked";
  43     private static final String TAG = ChunkedUploadRemoteFileOperation.class.getSimpleName();
  44
  45     public ChunkedUploadRemoteFileOperation(String storagePath, String remotePath, String mimeType) {
  46                  super(storagePath, remotePath, mimeType);
  47         }
  48
  49     @Override
  50     protected int uploadFile(WebdavClient client) throws HttpException, IOException {
  51         int status = -1;
  52
  53         FileChannel channel = null;
  54         RandomAccessFile raf = null;
  55         try {
  56             File file = new File(mStoragePath);
  57             raf = new RandomAccessFile(file, "r");
  58             channel = raf.getChannel();
  59             mEntity = new ChunkFromFileChannelRequestEntity(channel, mMimeType, CHUNK_SIZE, file);
  60             //((ProgressiveDataTransferer)mEntity).addDatatransferProgressListeners(getDataTransferListeners());
  61             synchronized (mDataTransferListeners) {
  62                                 ((ProgressiveDataTransferer)mEntity).addDatatransferProgressListeners(mDataTransferListeners);
  63                         }
  64
  65             long offset = 0;
  66             String uriPrefix = client.getBaseUri() + WebdavUtils.encodePath(mRemotePath) + "-chunking-" + Math.abs((new Random()).nextInt(9000)+1000) + "-" ;
  67             long chunkCount = (long) Math.ceil((double)file.length() / CHUNK_SIZE);
  68             for (int chunkIndex = 0; chunkIndex < chunkCount ; chunkIndex++, offset += CHUNK_SIZE) {
  69                 if (mPutMethod != null) {
  70                     mPutMethod.releaseConnection();    // let the connection available for other methods
  71                 }
  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 " + mStoragePath + " to " + mRemotePath + ", 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 }