139 lines
5.2 KiB
Java
139 lines
5.2 KiB
Java
/**
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*
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* Copyright 2017 Paul Schaub
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.jingle_filetransfer;
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import java.io.File;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smackx.bytestreams.BytestreamSession;
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import org.jivesoftware.smackx.jingle.JingleManager;
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import org.jivesoftware.smackx.jingle.JingleTransportMethodManager;
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import org.jivesoftware.smackx.jingle.Role;
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import org.jivesoftware.smackx.jingle.element.Jingle;
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import org.jivesoftware.smackx.jingle.element.JingleContent;
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import org.jivesoftware.smackx.jingle.transports.JingleTransportInitiationCallback;
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import org.jivesoftware.smackx.jingle.transports.JingleTransportManager;
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import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransfer;
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import org.jxmpp.jid.FullJid;
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/**
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* We are the initiator and we are the sender.
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*/
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public class OutgoingJingleFileOffer extends JingleFileTransferSession {
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private static final Logger LOGGER = Logger.getLogger(OutgoingJingleFileOffer.class.getName());
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public enum State {
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fresh,
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pending,
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sent_transport_replace,
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active,
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terminated,
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;
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}
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private Thread sendingThread;
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private File source;
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private State state;
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public OutgoingJingleFileOffer(XMPPConnection connection, FullJid responder, String sid) {
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super(connection, connection.getUser().asFullJidOrThrow(), responder, Role.initiator, sid, Type.offer);
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state = State.fresh;
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}
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public OutgoingJingleFileOffer(XMPPConnection connection, FullJid recipient) {
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this(connection, recipient, JingleManager.randomSid());
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}
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public void sendFile(JingleFileTransfer file, JingleContent.Creator creator, String name) throws InterruptedException, XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException {
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if (state == State.fresh) {
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transportManager = JingleTransportMethodManager.getInstanceFor(connection)
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.getBestAvailableTransportManager();
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if (transportManager == null) {
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throw new IllegalStateException("There must be at least one workable transport method.");
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}
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transport = transportManager.createTransport(getResponder());
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jutil.sendSessionInitiateFileOffer(getResponder(), getSessionId(), creator, name, file, transport);
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state = State.pending;
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}
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}
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@Override
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public IQ handleSessionAccept(Jingle sessionAccept) throws SmackException.NotConnectedException, InterruptedException {
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// Out of order?
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if (state != State.pending) {
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LOGGER.log(Level.WARNING, "Out of order!");
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jutil.sendErrorOutOfOrder(sessionAccept);
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}
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// Legal
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else {
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state = State.active;
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transportManager.initiateOutgoingSession(getResponder(), transport, new JingleTransportInitiationCallback() {
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@Override
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public void onSessionInitiated(final BytestreamSession session) {
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sendingThread = new SendingThread(session, source);
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sendingThread.run();
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}
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@Override
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public void onException(Exception e) {
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LOGGER.log(Level.SEVERE, "Cannot create outgoing Bytestream session: ", e);
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}
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});
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}
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return jutil.createAck(sessionAccept);
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}
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@Override
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public IQ handleSessionTerminate(Jingle sessionTerminate) {
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if (sendingThread != null && !sendingThread.isInterrupted()) {
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sendingThread.interrupt();
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}
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state = State.terminated;
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return jutil.createAck(sessionTerminate);
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}
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@Override
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public IQ handleTransportReplace(Jingle transportReplace)
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throws InterruptedException, XMPPException.XMPPErrorException,
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SmackException.NotConnectedException, SmackException.NoResponseException {
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JingleTransportManager<?> replacementManager = JingleTransportMethodManager.getInstanceFor(connection)
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.getTransportManager(transportReplace);
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if (replacementManager != null) {
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jutil.sendTransportAccept(transportReplace.getFrom().asFullJidOrThrow(),
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transportReplace.getInitiator(), transportReplace.getSid(), creator, name,
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replacementManager.createTransport(getResponder()));
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}
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return jutil.createAck(transportReplace);
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}
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}
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