/*
* Dijjer - A Peer to Peer HTTP Cache
* Copyright (C) 2004,2005 Change.Tv, Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package dijjer.io.xfer;
import java.io.IOException;
import java.io.OutputStream;
import dijjer.io.comm.RetrievalException;
public class OutputStreamBlockTransmitter {
PartiallyReceivedBlock _prb;
OutputStream _os;
public OutputStreamBlockTransmitter(PartiallyReceivedBlock prb, OutputStream os) {
_prb = prb;
_os = os;
}
public void start() throws RetrievalException, IOException {
final Thread myThread = Thread.currentThread();
int currentPacket = 0;
_prb.addListener(new PartiallyReceivedBlock.PacketReceivedListener() {
public void packetReceived(int packetNo) {
synchronized (myThread) {
myThread.notify();
}
}
public void receiveAborted(int reason, String description) {
synchronized (myThread) {
myThread.notify();
}
}
});
while (currentPacket < _prb.getNumPackets()) {
while ((!_prb.isReceived(currentPacket)) && (!_prb.isAborted())) {
synchronized (myThread) {
try {
myThread.wait();
} catch (InterruptedException e) {
}
}
}
if (_prb.isAborted()) {
throw new RetrievalException(_prb.getAbortReason(), _prb.getAbortDescription());
}
_os.write(_prb.getPacket(currentPacket).getData());
currentPacket++;
}
}
}