135 lines
6.1 KiB
Java
135 lines
6.1 KiB
Java
/**
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*
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* Copyright 2017 Florian Schmaus
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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;
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import java.util.Map;
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import java.util.WeakHashMap;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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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.Manager;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.iqrequest.AbstractIqRequestHandler;
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import org.jivesoftware.smack.iqrequest.IQRequestHandler.Mode;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.IQ.Type;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smackx.jingle3.element.JingleElement;
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import org.jivesoftware.smackx.jingle3.element.JingleAction;
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import org.jivesoftware.smackx.jingle3.element.JingleContentElement;
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import org.jivesoftware.smackx.jingle3.element.JingleContentDescriptionElement;
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import org.jivesoftware.smackx.jingle.transports.jingle_ibb.JingleIBBTransportManager;
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import org.jivesoftware.smackx.jingle3.transport.jingle_s5b.JingleS5BTransportManager;
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import org.jxmpp.jid.FullJid;
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public final class JingleManager extends Manager {
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private static final Logger LOGGER = Logger.getLogger(JingleManager.class.getName());
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private static final Map<XMPPConnection, JingleManager> INSTANCES = new WeakHashMap<>();
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private static final ExecutorService threadPool = Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors());
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public static ExecutorService getThreadPool() {
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return threadPool;
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}
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public static synchronized JingleManager getInstanceFor(XMPPConnection connection) {
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JingleManager jingleManager = INSTANCES.get(connection);
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if (jingleManager == null) {
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jingleManager = new JingleManager(connection);
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INSTANCES.put(connection, jingleManager);
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}
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return jingleManager;
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}
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private final Map<String, JingleHandler> descriptionHandlers = new ConcurrentHashMap<>();
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private final Map<FullJidAndSessionId, JingleSessionHandler> jingleSessionHandlers = new ConcurrentHashMap<>();
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private final JingleUtil jutil;
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private JingleManager(XMPPConnection connection) {
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super(connection);
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jutil = new JingleUtil(connection);
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connection.registerIQRequestHandler(
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new AbstractIqRequestHandler(JingleElement.ELEMENT, JingleElement.NAMESPACE, Type.set, Mode.async) {
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@Override
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public IQ handleIQRequest(IQ iqRequest) {
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final JingleElement jingle = (JingleElement) iqRequest;
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FullJid fullFrom = jingle.getFrom().asFullJidOrThrow();
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String sid = jingle.getSid();
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FullJidAndSessionId fullJidAndSessionId = new FullJidAndSessionId(fullFrom, sid);
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JingleSessionHandler sessionHandler = jingleSessionHandlers.get(fullJidAndSessionId);
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if (sessionHandler != null) {
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//Handle existing session
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return sessionHandler.handleJingleSessionRequest(jingle);
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}
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if (jingle.getAction() == JingleAction.session_initiate) {
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JingleContentElement content = jingle.getContents().get(0);
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JingleContentDescriptionElement description = content.getDescription();
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JingleHandler jingleDescriptionHandler = descriptionHandlers.get(
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description.getNamespace());
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if (jingleDescriptionHandler == null) {
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//Unsupported Application
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LOGGER.log(Level.WARNING, "Unsupported Jingle application.");
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return jutil.createSessionTerminateUnsupportedApplications(fullFrom, sid);
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}
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return jingleDescriptionHandler.handleJingleRequest(jingle);
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}
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//Unknown session
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LOGGER.log(Level.WARNING, "Unknown session.");
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return jutil.createErrorUnknownSession(jingle);
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}
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});
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//Register transports.
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JingleTransportMethodManager transportMethodManager = JingleTransportMethodManager.getInstanceFor(connection);
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transportMethodManager.registerTransportManager(JingleIBBTransportManager.getInstanceFor(connection));
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transportMethodManager.registerTransportManager(JingleS5BTransportManager.getInstanceFor(connection));
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}
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public JingleHandler registerDescriptionHandler(String namespace, JingleHandler handler) {
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return descriptionHandlers.put(namespace, handler);
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}
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public JingleSessionHandler registerJingleSessionHandler(FullJid otherJid, String sessionId, JingleSessionHandler sessionHandler) {
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FullJidAndSessionId fullJidAndSessionId = new FullJidAndSessionId(otherJid, sessionId);
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return jingleSessionHandlers.put(fullJidAndSessionId, sessionHandler);
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}
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public JingleSessionHandler unregisterJingleSessionHandler(FullJid otherJid, String sessionId, JingleSessionHandler sessionHandler) {
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FullJidAndSessionId fullJidAndSessionId = new FullJidAndSessionId(otherJid, sessionId);
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return jingleSessionHandlers.remove(fullJidAndSessionId);
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}
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public static String randomId() {
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return StringUtils.randomString(24);
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}
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}
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