Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/handler/IncomingFileTransferRespond...

105 lines
3.7 KiB
Java

package org.jivesoftware.smackx.jingle_filetransfer.handler;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smackx.bytestreams.BytestreamListener;
import org.jivesoftware.smackx.bytestreams.BytestreamRequest;
import org.jivesoftware.smackx.bytestreams.BytestreamSession;
import org.jivesoftware.smackx.jingle.JingleSessionHandler;
import org.jivesoftware.smackx.jingle.element.Jingle;
import org.jivesoftware.smackx.jingle_filetransfer.JingleFileTransferManager;
import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferChildElement;
import org.jxmpp.jid.FullJid;
/**
* Created by vanitas on 09.06.17.
*/
public class IncomingFileTransferResponded implements JingleSessionHandler, BytestreamListener {
private static final Logger LOGGER = Logger.getLogger(IncomingFileTransferResponded.class.getName());
private final WeakReference<JingleFileTransferManager> manager;
private final File target;
private final int size;
private final FullJid initiator;
private final String sessionId;
public IncomingFileTransferResponded(JingleFileTransferManager manager, Jingle initiate, File target) {
this.manager = new WeakReference<>(manager);
this.target = target;
this.size = ((JingleFileTransferChildElement) initiate.getContents().get(0).getDescription()
.getJingleContentDescriptionChildren().get(0)).getSize();
this.initiator = initiate.getInitiator();
this.sessionId = initiate.getSid();
}
@Override
public void incomingBytestreamRequest(BytestreamRequest request) {
if (!request.getFrom().asFullJidIfPossible().equals(initiator) || !sessionId.equals(request.getSessionID())) {
LOGGER.log(Level.INFO, "Not our session.");
return;
}
BytestreamSession session;
try {
session = request.accept();
} catch (InterruptedException | XMPPException.XMPPErrorException | SmackException e) {
LOGGER.log(Level.SEVERE, "Exception while accepting session: " + e, e);
return;
}
byte[] fileBuf = new byte[size];
byte[] buf = new byte[4096];
InputStream inputStream = null;
FileOutputStream fileOutputStream = null;
try {
if (!target.exists()) {
target.createNewFile();
}
fileOutputStream = new FileOutputStream(target);
inputStream = session.getInputStream();
int read = 0;
while (read < fileBuf.length) {
int r = inputStream.read(buf);
if (r != -1) {
System.arraycopy(buf, 0, fileBuf, read, r);
read += r;
}
}
fileOutputStream.write(fileBuf);
} catch (IOException e) {
LOGGER.log(Level.SEVERE, "Caught IOException while receiving files: " + e, e);
} finally {
try {
if (inputStream != null) {
inputStream.close();
}
if (fileOutputStream != null) {
fileOutputStream.close();
}
} catch (IOException e) {
LOGGER.log(Level.SEVERE, "Caught Exception while closing streams: " + e, e);
}
}
return;
}
@Override
public IQ handleJingleSessionRequest(Jingle jingle, String sessionId) {
return null;
}
}