oc_framework/src/com/owncloud/android/lib/operations/remote/ChunkedUploadRemoteFileOperation.java

   1 /* ownCloud Android Library is available under MIT license
   2  *   Copyright (C) 2014 ownCloud (http://www.owncloud.org/)
   3  *   Copyright (C) 2012  Bartek Przybylski
   4  *
   5  *   Permission is hereby granted, free of charge, to any person obtaining a copy
   6  *   of this software and associated documentation files (the "Software"), to deal
   7  *   in the Software without restriction, including without limitation the rights
   8  *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  *   copies of the Software, and to permit persons to whom the Software is
  10  *   furnished to do so, subject to the following conditions:
  11  *
  12  *   The above copyright notice and this permission notice shall be included in
  13  *   all copies or substantial portions of the Software.
  14  *
  15  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  *   BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  *   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  *   CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  *   THE SOFTWARE.
  23  *
  24  */
  25
  26 package com.owncloud.android.lib.operations.remote;
  27
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.io.RandomAccessFile;
  31 import java.nio.channels.FileChannel;
  32 import java.util.Random;
  33
  34 import org.apache.commons.httpclient.HttpException;
  35 import org.apache.commons.httpclient.methods.PutMethod;
  36
  37 import com.owncloud.android.lib.network.ChunkFromFileChannelRequestEntity;
  38 import com.owncloud.android.lib.network.OwnCloudClient;
  39 import com.owncloud.android.lib.network.ProgressiveDataTransferer;
  40 import com.owncloud.android.lib.network.webdav.WebdavUtils;
  41
  42
  43 import android.util.Log;
  44
  45
  46 public class ChunkedUploadRemoteFileOperation extends UploadRemoteFileOperation {
  47
  48     public static final long CHUNK_SIZE = 1024000;
  49     private static final String OC_CHUNKED_HEADER = "OC-Chunked";
  50     private static final String TAG = ChunkedUploadRemoteFileOperation.class.getSimpleName();
  51
  52     public ChunkedUploadRemoteFileOperation(String storagePath, String remotePath, String mimeType) {
  53                  super(storagePath, remotePath, mimeType);
  54         }
  55
  56     @Override
  57     protected int uploadFile(OwnCloudClient client) throws HttpException, IOException {
  58         int status = -1;
  59
  60         FileChannel channel = null;
  61         RandomAccessFile raf = null;
  62         try {
  63             File file = new File(mStoragePath);
  64             raf = new RandomAccessFile(file, "r");
  65             channel = raf.getChannel();
  66             mEntity = new ChunkFromFileChannelRequestEntity(channel, mMimeType, CHUNK_SIZE, file);
  67             //((ProgressiveDataTransferer)mEntity).addDatatransferProgressListeners(getDataTransferListeners());
  68             synchronized (mDataTransferListeners) {
  69                                 ((ProgressiveDataTransferer)mEntity).addDatatransferProgressListeners(mDataTransferListeners);
  70                         }
  71
  72             long offset = 0;
  73             String uriPrefix = client.getBaseUri() + WebdavUtils.encodePath(mRemotePath) + "-chunking-" + Math.abs((new Random()).nextInt(9000)+1000) + "-" ;
  74             long chunkCount = (long) Math.ceil((double)file.length() / CHUNK_SIZE);
  75             for (int chunkIndex = 0; chunkIndex < chunkCount ; chunkIndex++, offset += CHUNK_SIZE) {
  76                 if (mPutMethod != null) {
  77                     mPutMethod.releaseConnection();    // let the connection available for other methods
  78                 }
  79                 mPutMethod = new PutMethod(uriPrefix + chunkCount + "-" + chunkIndex);
  80                 mPutMethod.addRequestHeader(OC_CHUNKED_HEADER, OC_CHUNKED_HEADER);
  81                 ((ChunkFromFileChannelRequestEntity)mEntity).setOffset(offset);
  82                 mPutMethod.setRequestEntity(mEntity);
  83                 status = client.executeMethod(mPutMethod);
  84                 client.exhaustResponse(mPutMethod.getResponseBodyAsStream());
  85                 Log.d(TAG, "Upload of " + mStoragePath + " to " + mRemotePath + ", chunk index " + chunkIndex + ", count " + chunkCount + ", HTTP result status " + status);
  86                 if (!isSuccess(status))
  87                     break;
  88             }
  89
  90         } finally {
  91             if (channel != null)
  92                 channel.close();
  93             if (raf != null)
  94                 raf.close();
  95             if (mPutMethod != null)
  96                 mPutMethod.releaseConnection();    // let the connection available for other methods
  97         }
  98         return status;
  99     }
 100
 101 }