//
// ========================================================================
// Copyright (c) 1995-2017 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.osgi.boot.internal.serverfactory;
import java.util.Properties;
import org.eclipse.jetty.osgi.boot.OSGiServerConstants;
import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import org.osgi.framework.Bundle;
import org.osgi.framework.ServiceReference;
import org.osgi.util.tracker.ServiceTrackerCustomizer;
/**
* JettyServerServiceTracker
*
* Tracks instances of Jetty Servers, and configures them so that they can deploy
* webapps or ContextHandlers discovered from the OSGi environment.
*
*/
public class JettyServerServiceTracker implements ServiceTrackerCustomizer
{
private static Logger LOG = Log.getLogger(JettyServerServiceTracker.class.getName());
/**
* @see org.osgi.util.tracker.ServiceTrackerCustomizer#addingService(org.osgi.framework.ServiceReference)
*/
@Override
public Object addingService(ServiceReference sr)
{
Bundle contributor = sr.getBundle();
Server server = (Server) contributor.getBundleContext().getService(sr);
String name = (String) sr.getProperty(OSGiServerConstants.MANAGED_JETTY_SERVER_NAME);
if (name == null) { throw new IllegalArgumentException("The property " + OSGiServerConstants.MANAGED_JETTY_SERVER_NAME + " is mandatory"); }
if (LOG.isDebugEnabled()) LOG.debug("Adding Server {}", name);
ServerInstanceWrapper wrapper = new ServerInstanceWrapper(name);
Properties props = new Properties();
for (String key : sr.getPropertyKeys())
{
Object value = sr.getProperty(key);
props.put(key, value);
}
try
{
wrapper.start(server, props);
LOG.info("Started Server {}", name);
return wrapper;
}
catch (Exception e)
{
LOG.warn(e);
return sr.getBundle().getBundleContext().getService(sr);
}
}
/**
* @see org.osgi.util.tracker.ServiceTrackerCustomizer#modifiedService(org.osgi.framework.ServiceReference, java.lang.Object)
*/
@Override
public void modifiedService(ServiceReference reference, Object service)
{
removedService(reference, service);
addingService(reference);
}
/**
* @see org.osgi.util.tracker.ServiceTrackerCustomizer#removedService(org.osgi.framework.ServiceReference, java.lang.Object)
*/
@Override
public void removedService(ServiceReference reference, Object service)
{
if (service instanceof ServerInstanceWrapper)
{
try
{
ServerInstanceWrapper wrapper = (ServerInstanceWrapper)service;
wrapper.stop();
LOG.info("Stopped Server {}",wrapper.getManagedServerName());
}
catch (Exception e)
{
LOG.warn(e);
}
}
}
}