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/*******************************************************************************
* Copyright (c) 2014 Raymond Augé and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Raymond Augé <raymond.auge@liferay.com> - Bug 436698
******************************************************************************/
package org.eclipse.equinox.http.servlet.internal.customizer;
import java.util.EventListener;
import javax.servlet.ServletException;
import org.eclipse.equinox.http.servlet.internal.HttpServiceRuntimeImpl;
import org.eclipse.equinox.http.servlet.internal.context.ContextController;
import org.eclipse.equinox.http.servlet.internal.registration.ListenerRegistration;
import org.osgi.framework.*;
import org.osgi.service.http.whiteboard.HttpWhiteboardConstants;
/**
* @author Raymond Augé
*/
public class ContextListenerTrackerCustomizer
extends RegistrationServiceTrackerCustomizer<EventListener, ListenerRegistration> {
public ContextListenerTrackerCustomizer(
BundleContext bundleContext, HttpServiceRuntimeImpl httpServiceRuntime,
ContextController contextController) {
super(bundleContext, httpServiceRuntime);
this.contextController = contextController;
}
@Override
public ListenerRegistration addingService(
ServiceReference<EventListener> serviceReference) {
if (!httpServiceRuntime.matches(serviceReference)) {
// TODO no match runtime
return null;
}
String contextSelector = (String)serviceReference.getProperty(
HttpWhiteboardConstants.HTTP_WHITEBOARD_CONTEXT_SELECT);
if (!contextController.matches(contextSelector)) {
return null;
}
Long serviceId = (Long)serviceReference.getProperty(
Constants.SERVICE_ID);
EventListener eventListener = bundleContext.getService(
serviceReference);
try {
return contextController.addListenerRegistration(
eventListener, serviceId.longValue());
}
catch (ServletException se) {
httpServiceRuntime.log(se.getMessage(), se);
}
return null;
}
@Override
public void
modifiedService(
ServiceReference<EventListener> serviceReference,
ListenerRegistration listenerRegistration) {
}
@Override
public void
removedService(
ServiceReference<EventListener> serviceReference,
ListenerRegistration listenerRegistration) {
bundleContext.ungetService(serviceReference);
listenerRegistration.destroy();
}
private ContextController contextController;
}
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