package eu.alefzero.webdav;
+import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
//private final File mFile;
private final FileChannel mChannel;
private final String mContentType;
- private final long mSize;
+ private final long mChunkSize;
+ private final File mFile;
private long mOffset;
- Set<OnDatatransferProgressListener> mListeners = new HashSet<OnDatatransferProgressListener>();
+ private long mTransferred;
+ Set<OnDatatransferProgressListener> mDataTransferListeners = new HashSet<OnDatatransferProgressListener>();
private ByteBuffer mBuffer = ByteBuffer.allocate(4096);
- public ChunkFromFileChannelRequestEntity(final FileChannel channel, final String contentType, long size) {
+ public ChunkFromFileChannelRequestEntity(final FileChannel channel, final String contentType, long chunkSize, final File file) {
super();
if (channel == null) {
throw new IllegalArgumentException("File may not be null");
}
- if (size <= 0) {
- throw new IllegalArgumentException("Size must be greater than zero");
+ if (chunkSize <= 0) {
+ throw new IllegalArgumentException("Chunk size must be greater than zero");
}
mChannel = channel;
mContentType = contentType;
- mSize = size;
+ mChunkSize = chunkSize;
+ mFile = file;
mOffset = 0;
+ mTransferred = 0;
}
public void setOffset(long offset) {
public long getContentLength() {
try {
- return Math.min(mSize, mChannel.size() - mChannel.position());
+ return Math.min(mChunkSize, mChannel.size() - mChannel.position());
} catch (IOException e) {
- return mSize;
+ return mChunkSize;
}
}
}
public void addOnDatatransferProgressListener(OnDatatransferProgressListener listener) {
- mListeners.add(listener);
+ mDataTransferListeners.add(listener);
}
public void addOnDatatransferProgressListeners(Collection<OnDatatransferProgressListener> listeners) {
- mListeners.addAll(listeners);
+ mDataTransferListeners.addAll(listeners);
}
public void removeOnDatatransferProgressListener(OnDatatransferProgressListener listener) {
- mListeners.remove(listener);
+ mDataTransferListeners.remove(listener);
}
try {
mChannel.position(mOffset);
- while (mChannel.position() < mOffset + mSize && mChannel.position() < mChannel.size()) {
+ long size = mFile.length();
+ if (size == 0) size = -1;
+ while (mChannel.position() < mOffset + mChunkSize && mChannel.position() < mChannel.size()) {
readCount = mChannel.read(mBuffer);
out.write(mBuffer.array(), 0, readCount);
mBuffer.clear();
- it = mListeners.iterator();
+ mTransferred += readCount;
+ it = mDataTransferListeners.iterator();
while (it.hasNext()) {
- it.next().onTransferProgress(readCount);
+ it.next().onTransferProgress(readCount, mTransferred, size, mFile.getName());
}
}