Smack/smack-experimental/src/main/java/org/jivesoftware/smackx/reference/ReferenceManager.java

63 lines
2.1 KiB
Java

/**
*
* Copyright 2018 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.reference;
import java.util.Map;
import java.util.WeakHashMap;
import org.jivesoftware.smack.ConnectionCreationListener;
import org.jivesoftware.smack.Manager;
import org.jivesoftware.smack.XMPPConnection;
import org.jivesoftware.smack.XMPPConnectionRegistry;
import org.jivesoftware.smackx.disco.ServiceDiscoveryManager;
public final class ReferenceManager extends Manager {
public static final String NAMESPACE = "urn:xmpp:reference:0";
private static final Map<XMPPConnection, ReferenceManager> INSTANCES = new WeakHashMap<>();
static {
XMPPConnectionRegistry.addConnectionCreationListener(new ConnectionCreationListener() {
@Override
public void connectionCreated(XMPPConnection connection) {
getInstanceFor(connection);
}
});
}
private ReferenceManager(XMPPConnection connection) {
super(connection);
ServiceDiscoveryManager.getInstanceFor(connection).addFeature(NAMESPACE);
}
/**
* Return a new instance of the ReferenceManager for the given connection.
*
* @param connection xmpp connection
* @return reference manager instance
*/
public static ReferenceManager getInstanceFor(XMPPConnection connection) {
ReferenceManager manager = INSTANCES.get(connection);
if (manager == null) {
manager = new ReferenceManager(connection);
INSTANCES.put(connection, manager);
}
return manager;
}
}