/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cxf.ws.discovery.listeners;
import javax.xml.namespace.QName;
import org.apache.cxf.Bus;
import org.apache.cxf.BusFactory;
import org.apache.cxf.endpoint.Server;
import org.apache.cxf.endpoint.ServerLifeCycleListener;
import org.apache.cxf.service.model.ServiceModelUtil;
import org.apache.cxf.ws.discovery.internal.WSDiscoveryServiceImpl;
/**
*
*/
public class WSDiscoveryServerListener implements ServerLifeCycleListener {
private static final String WS_DISCOVERY_SERVICE_NS =
"http://docs.oasis-open.org/ws-dd/ns/discovery/2009/01";
final Bus bus;
volatile WSDiscoveryServiceImpl service;
private static final class WSDiscoveryServiceImplHolder {
private static final WSDiscoveryServiceImpl INSTANCE;
static {
Bus bus = BusFactory.newInstance().createBus();
INSTANCE = new WSDiscoveryServiceImpl(bus);
}
}
public WSDiscoveryServerListener(Bus bus) {
this.bus = bus;
}
private synchronized WSDiscoveryServiceImpl getService() {
if (service == null) {
service = bus.getExtension(WSDiscoveryServiceImpl.class);
if (service == null) {
service = getStaticService();
bus.setExtension(service, WSDiscoveryServiceImpl.class);
}
}
return service;
}
private static WSDiscoveryServiceImpl getStaticService() {
return WSDiscoveryServiceImplHolder.INSTANCE;
}
public void startServer(Server server) {
if (isWsDiscoveryServer(server)) {
return;
}
getService().serverStarted(server);
}
public void stopServer(Server server) {
if (isWsDiscoveryServer(server)) {
return;
}
getService().serverStopped(server);
}
private boolean isWsDiscoveryServer(Server server) {
QName sn = ServiceModelUtil.getServiceQName(server.getEndpoint().getEndpointInfo());
return WS_DISCOVERY_SERVICE_NS.equals(sn.getNamespaceURI());
}
}