Cancel button for downloads in progress replaceed with 'x' icon

[pub/Android/ownCloud.git] / src / eu / alefzero / webdav / FileRequestEntity.java

diff --git a/src/eu/alefzero/webdav/FileRequestEntity.java b/src/eu/alefzero/webdav/FileRequestEntity.java
index 70154ec..a8f01d6 100644 (file)
--- a/src/eu/alefzero/webdav/FileRequestEntity.java
+++ b/src/eu/alefzero/webdav/FileRequestEntity.java
@@ -1,53 +1,133 @@
+/* ownCloud Android client application
+ *   Copyright (C) 2012 Bartek Przybylski
+ *   Copyright (C) 2012-2013 ownCloud Inc.
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License version 2,
+ *   as published by the Free Software Foundation.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+

 package eu.alefzero.webdav;
 
 import java.io.File;
 package eu.alefzero.webdav;
 
 import java.io.File;

-import java.io.FileInputStream;

 import java.io.IOException;
 import java.io.IOException;

-import java.io.InputStream;

 import java.io.OutputStream;
 import java.io.OutputStream;

+import java.io.RandomAccessFile;
+import java.nio.ByteBuffer;
+import java.nio.channels.FileChannel;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;

 
 import org.apache.commons.httpclient.methods.RequestEntity;
 
 
 import org.apache.commons.httpclient.methods.RequestEntity;
 

+import com.owncloud.android.Log_OC;
+import com.owncloud.android.network.ProgressiveDataTransferer;
+
+import eu.alefzero.webdav.OnDatatransferProgressListener;
+
+

 /**
  * A RequestEntity that represents a File.
 /**
  * A RequestEntity that represents a File.

- *
+ * 

  */
  */

-public class FileRequestEntity implements RequestEntity {
-
-  final File file;
-  final String contentType;
-
-  public FileRequestEntity(final File file, final String contentType) {
-    super();
-    if (file == null) {
-      throw new IllegalArgumentException("File may not be null");
-    }
-    this.file = file;
-    this.contentType = contentType;
-  }
-  public long getContentLength() {
-    return this.file.length();
-  }
-
-  public String getContentType() {
-    return this.contentType;
-  }
-
-  public boolean isRepeatable() {
-    return true;
-  }
-
-  public void writeRequest(final OutputStream out) throws IOException {
-    byte[] tmp = new byte[4096];
-    int i = 0;
-    InputStream instream = new FileInputStream(this.file);
-    try {
-      while ((i = instream.read(tmp)) >= 0) {
-        out.write(tmp, 0, i);
-      }
-    } finally {
-      instream.close();
-    }
-  }
-
-}
\ No newline at end of file
+public class FileRequestEntity implements RequestEntity, ProgressiveDataTransferer {
+
+    final File mFile;
+    final String mContentType;
+    Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();
+
+    public FileRequestEntity(final File file, final String contentType) {
+        super();
+        this.mFile = file;
+        this.mContentType = contentType;
+        if (file == null) {
+            throw new IllegalArgumentException("File may not be null");
+        }
+    }
+    
+    @Override
+    public long getContentLength() {
+        return mFile.length();
+    }
+
+    @Override
+    public String getContentType() {
+        return mContentType;
+    }
+
+    @Override
+    public boolean isRepeatable() {
+        return true;
+    }
+
+    @Override
+    public void addDatatransferProgressListener(OnDatatransferProgressListener listener) {
+        synchronized (mDataTransferListeners) {
+            mDataTransferListeners.add(listener);
+        }
+    }
+    
+    @Override
+    public void addDatatransferProgressListeners(Collection<OnDatatransferProgressListener> listeners) {
+        synchronized (mDataTransferListeners) {
+            mDataTransferListeners.addAll(listeners);
+        }
+    }
+    
+    @Override
+    public void removeDatatransferProgressListener(OnDatatransferProgressListener listener) {
+        synchronized (mDataTransferListeners) {
+            mDataTransferListeners.remove(listener);
+        }
+    }
+    
+    
+    @Override
+    public void writeRequest(final OutputStream out) throws IOException {
+        //byte[] tmp = new byte[4096];
+        ByteBuffer tmp = ByteBuffer.allocate(4096);
+        int readResult = 0;
+        
+        // TODO(bprzybylski): each mem allocation can throw OutOfMemoryError we need to handle it
+        //                    globally in some fashionable manner
+        RandomAccessFile raf = new RandomAccessFile(mFile, "r");
+        FileChannel channel = raf.getChannel();
+        Iterator<OnDatatransferProgressListener> it = null;
+        long transferred = 0;
+        long size = mFile.length();
+        if (size == 0) size = -1;
+        try {
+            while ((readResult = channel.read(tmp)) >= 0) {
+                out.write(tmp.array(), 0, readResult);
+                tmp.clear();
+                transferred += readResult;
+                synchronized (mDataTransferListeners) {
+                    it = mDataTransferListeners.iterator();
+                    while (it.hasNext()) {
+                        it.next().onTransferProgress(readResult, transferred, size, mFile.getName());
+                    }
+                }
+            }
+            
+        } catch (IOException io) {
+            Log_OC.e("FileRequestException", io.getMessage());
+            throw new RuntimeException("Ugly solution to workaround the default policy of retries when the server falls while uploading ; temporal fix; really", io);   
+            
+        } finally {
+            channel.close();
+            raf.close();
+        }
+    }
+
+}