Smack/smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_ibb/JingleIBBTransportManager.java

93 lines
3.4 KiB
Java

/**
*
* Copyright 2017 Paul Schaub
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.jingle.transport.jingle_ibb;
import java.util.WeakHashMap;
import org.jivesoftware.smack.Manager;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
import org.jivesoftware.smackx.jingle.JingleManager;
import org.jivesoftware.smackx.jingle.JingleTransportManager;
import org.jivesoftware.smackx.jingle.component.JingleContent;
import org.jivesoftware.smackx.jingle.component.JingleTransport;
import org.jivesoftware.smackx.jingle.element.JingleContentTransportElement;
import org.jivesoftware.smackx.jingle.transport.jingle_ibb.provider.JingleIBBTransportProvider;
/**
* Created by vanitas on 21.07.17.
*/
public final class JingleIBBTransportManager extends Manager implements JingleTransportManager {
private static final WeakHashMap<XMPPConnection, JingleIBBTransportManager> INSTANCES = new WeakHashMap<>();
static {
JingleManager.addJingleTransportAdapter(new JingleIBBTransportAdapter());
JingleManager.addJingleTransportProvider(new JingleIBBTransportProvider());
}
private JingleIBBTransportManager(XMPPConnection connection) {
super(connection);
ServiceDiscoveryManager.getInstanceFor(connection).addFeature(getNamespace());
JingleManager jingleManager = JingleManager.getInstanceFor(connection);
jingleManager.addJingleTransportManager(this);
}
public static JingleIBBTransportManager getInstanceFor(XMPPConnection connection) {
JingleIBBTransportManager manager = INSTANCES.get(connection);
if (manager == null) {
manager = new JingleIBBTransportManager(connection);
INSTANCES.put(connection, manager);
}
return manager;
}
@Override
public String getNamespace() {
return JingleIBBTransport.NAMESPACE;
}
@Override
public JingleTransport<?> createTransportForInitiator(JingleContent content) {
return new JingleIBBTransport();
}
@Override
public JingleTransport<?> createTransportForResponder(JingleContent content, JingleTransport<?> peersTransport) {
JingleIBBTransport other = (JingleIBBTransport) peersTransport;
return new JingleIBBTransport(other.getStreamId(), (short) Math.min(other.getBlockSize(), JingleIBBTransport.MAX_BLOCKSIZE));
}
@Override
public JingleTransport<?> createTransportForResponder(JingleContent content, JingleContentTransportElement peersTransportElement) {
JingleIBBTransport other = new JingleIBBTransportAdapter().transportFromElement(peersTransportElement);
return createTransportForResponder(content, other);
}
@Override
public int getPriority() {
return -1;
}
@Override
public int compareTo(JingleTransportManager other) {
return getPriority() > other.getPriority() ? 1 : -1;
}
}