110 lines
4.4 KiB
Java
110 lines
4.4 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.transports.jingle_ibb;
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import java.util.WeakHashMap;
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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.smackx.bytestreams.BytestreamListener;
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import org.jivesoftware.smackx.bytestreams.BytestreamRequest;
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import org.jivesoftware.smackx.bytestreams.BytestreamSession;
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import org.jivesoftware.smackx.bytestreams.ibb.InBandBytestreamManager;
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import org.jivesoftware.smackx.jingle.element.Jingle;
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import org.jivesoftware.smackx.jingle.element.JingleContentTransport;
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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.transports.jingle_ibb.element.JingleIBBTransport;
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import org.jxmpp.jid.FullJid;
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/**
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* Manager for Jingle InBandBytestream transports (XEP-0261).
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*/
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public final class JingleIBBTransportManager extends JingleTransportManager<JingleIBBTransport> {
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private static final WeakHashMap<XMPPConnection, JingleIBBTransportManager> INSTANCES = new WeakHashMap<>();
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private JingleIBBTransportManager(XMPPConnection connection) {
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super(connection);
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}
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public static JingleIBBTransportManager getInstanceFor(XMPPConnection connection) {
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JingleIBBTransportManager manager = INSTANCES.get(connection);
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if (manager == null) {
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manager = new JingleIBBTransportManager(connection);
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INSTANCES.put(connection, manager);
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}
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return manager;
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}
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@Override
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public String getNamespace() {
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return JingleIBBTransport.NAMESPACE_V1;
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}
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@Override
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public JingleIBBTransport createTransport(FullJid recipient) {
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return new JingleIBBTransport();
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}
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@Override
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public JingleIBBTransport createTransport(Jingle request) {
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JingleIBBTransport rTransport = (JingleIBBTransport) request.getContents().get(0).getJingleTransport();
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return new JingleIBBTransport(rTransport.getBlockSize(), rTransport.getSessionId());
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}
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@Override
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public void initiateOutgoingSession(FullJid remote, JingleContentTransport transport, JingleTransportInitiationCallback callback) {
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JingleIBBTransport ibbTransport = (JingleIBBTransport) transport;
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BytestreamSession session;
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try {
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session = InBandBytestreamManager.getByteStreamManager(getConnection())
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.establishSession(remote, ibbTransport.getSessionId());
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callback.onSessionInitiated(session);
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} catch (SmackException.NoResponseException | InterruptedException | SmackException.NotConnectedException | XMPPException.XMPPErrorException e) {
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callback.onException(e);
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}
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}
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@Override
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public void initiateIncomingSession(final FullJid remote, final JingleContentTransport transport, final JingleTransportInitiationCallback callback) {
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final JingleIBBTransport ibbTransport = (JingleIBBTransport) transport;
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InBandBytestreamManager.getByteStreamManager(getConnection()).addIncomingBytestreamListener(new BytestreamListener() {
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@Override
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public void incomingBytestreamRequest(BytestreamRequest request) {
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if (request.getFrom().asFullJidIfPossible().equals(remote)
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&& request.getSessionID().equals(ibbTransport.getSessionId())) {
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BytestreamSession session;
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try {
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session = request.accept();
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} catch (InterruptedException | SmackException | XMPPException.XMPPErrorException e) {
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callback.onException(e);
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return;
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}
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callback.onSessionInitiated(session);
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}
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}
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});
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}
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}
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