/*
* Copyright 2004,2005 The Apache Software Foundation.
*
* 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.apache.axis2.osgi.internal;
import java.util.Hashtable;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.axis2.osgi.OSGiAxisServlet;
import static org.apache.axis2.osgi.deployment.OSGiAxis2Constants.AXIS2_OSGi_ROOT_CONTEXT;
import org.apache.axis2.osgi.deployment.OSGiConfigurationContextFactory;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.osgi.framework.*;
import org.osgi.util.tracker.ServiceTracker;
import javax.servlet.Servlet;
/**
* Activator will set the necessary parameters that initiate Axis2 OSGi integration
*/
public class Activator implements BundleActivator{
private static Log log = LogFactory.getLog(Activator.class);
private ConfigurationContextTracker tracker;
private final OSGiConfigurationContextFactory managedService;
public Activator() {
managedService = new OSGiConfigurationContextFactory();
}
public void start(BundleContext context) throws Exception {
managedService.start(context);
tracker = new ConfigurationContextTracker(context);
tracker.open();
}
public void stop(BundleContext context) {
tracker.close();
managedService.stop();
}
class ConfigurationContextTracker extends ServiceTracker {
public ConfigurationContextTracker(BundleContext context) {
super(context, ConfigurationContext.class.getName(), null);
}
public Object addingService(ServiceReference serviceReference) {
ConfigurationContext configCtx = (ConfigurationContext) context.getService(serviceReference);
OSGiAxisServlet axisServlet = new OSGiAxisServlet(configCtx);
String propServiceContextRoot = context.getProperty(AXIS2_OSGi_ROOT_CONTEXT);
String serviceContextRoot = "services";
if (propServiceContextRoot != null && propServiceContextRoot.length() != 0) {
if (propServiceContextRoot.startsWith("/")) {
serviceContextRoot = propServiceContextRoot.substring(1);
} else {
serviceContextRoot = propServiceContextRoot;
}
}
configCtx.setServicePath(serviceContextRoot);
String contextRoot = "/" + serviceContextRoot;
log.info("Registering SOAP message listener servlet to context : " + contextRoot);
Hashtable props = new Hashtable();
props.put("alias", contextRoot);
// Register the servlet as an OSGi service to be picked up by the HTTP whiteboard service.
// We return the ServiceRegistration so that we can unregister the servlet later.
return context.registerService(Servlet.class.getName(), axisServlet, props);
}
@Override
public void removedService(ServiceReference reference, Object service) {
// Unregister the servlet and unget the reference to the ConfigurationContext.
((ServiceRegistration)service).unregister();
context.ungetService(reference);
}
}
}