/**
* 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.transport.http.osgi;
import javax.servlet.Servlet;
import org.apache.cxf.common.util.CollectionUtils;
import org.apache.cxf.transport.http.DestinationRegistry;
import org.apache.cxf.transport.servlet.CXFNonSpringServlet;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceReference;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.cm.ConfigurationException;
import org.osgi.service.cm.ManagedService;
import org.osgi.service.http.HttpService;
import org.osgi.util.tracker.ServiceTrackerCustomizer;
final class HttpServiceTrackerCust implements ServiceTrackerCustomizer<HttpService, HttpService> {
private static final String CXF_CONFIG_PID = "org.apache.cxf.osgi";
private final DestinationRegistry destinationRegistry;
private final BundleContext context;
private ServiceRegistration<ManagedService> servletPublisherReg;
private ServletExporter servletExporter;
HttpServiceTrackerCust(DestinationRegistry destinationRegistry, BundleContext context) {
this.destinationRegistry = destinationRegistry;
this.context = context;
}
@Override
public void removedService(ServiceReference<HttpService> reference, HttpService service) {
servletPublisherReg.unregister();
try {
servletExporter.updated(null);
} catch (ConfigurationException e) {
// Ignore
}
}
@Override
public void modifiedService(ServiceReference<HttpService> reference, HttpService service) {
}
@Override
public HttpService addingService(ServiceReference<HttpService> reference) {
HttpService httpService = context.getService(reference);
Servlet servlet = new CXFNonSpringServlet(destinationRegistry, false);
servletExporter = new ServletExporter(servlet, httpService);
servletPublisherReg = context.registerService(ManagedService.class,
servletExporter,
CollectionUtils.singletonDictionary(Constants.SERVICE_PID,
CXF_CONFIG_PID));
return httpService;
}
}