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This is an implementation of the OSGi Http Service and the OSGi Http Whiteboard Specification
/*
* 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.felix.http.jetty.internal;
import java.io.Closeable;
import java.util.Dictionary;
import java.util.Hashtable;
import org.apache.felix.http.base.internal.AbstractHttpActivator;
import org.apache.felix.http.jetty.LoadBalancerCustomizerFactory;
import org.osgi.framework.Bundle;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceFactory;
import org.osgi.framework.ServiceRegistration;
public final class JettyActivator extends AbstractHttpActivator
{
private JettyService jetty;
private volatile ServiceRegistration metatypeReg;
private volatile ServiceRegistration loadBalancerCustomizerFactoryReg;
private volatile ServiceRegistration jettyServiceFactoryReg;
private volatile Closeable managedServiceFactory;
@Override
protected void doStart() throws Exception
{
super.doStart();
final Dictionary properties = new Hashtable<>();
properties.put(Constants.SERVICE_DESCRIPTION, "Metatype provider for Jetty Http Service");
properties.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation");
properties.put("metatype.pid", JettyService.PID);
metatypeReg = this.getBundleContext().registerService("org.osgi.service.metatype.MetaTypeProvider",
new ServiceFactory()
{
@Override
public Object getService(final Bundle bundle, final ServiceRegistration registration)
{
return new ConfigMetaTypeProvider(getBundleContext().getBundle());
}
@Override
public void ungetService(Bundle bundle, ServiceRegistration registration, Object service)
{
// nothing to do
}
}, properties);
this.jetty = new JettyService(getBundleContext(), getHttpServiceController());
this.jetty.start();
final Dictionary propertiesCustomizer = new Hashtable<>();
propertiesCustomizer.put(Constants.SERVICE_DESCRIPTION, "Load Balancer Customizer Factory for Jetty Http Service");
propertiesCustomizer.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation");
loadBalancerCustomizerFactoryReg = this.getBundleContext().registerService(LoadBalancerCustomizerFactory.class,
new ServiceFactory()
{
@Override
public LoadBalancerCustomizerFactory getService(final Bundle bundle,
final ServiceRegistration registration)
{
return new ForwardedRequestCustomizerFactory();
}
@Override
public void ungetService(final Bundle bundle,
final ServiceRegistration registration,
final LoadBalancerCustomizerFactory service)
{
// nothing to do
}
}, propertiesCustomizer);
final Dictionary factoryProps = new Hashtable<>();
factoryProps.put(Constants.SERVICE_PID, JettyService.PID);
factoryProps.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation");
factoryProps.put(Constants.SERVICE_DESCRIPTION, "Managed Service Factory for the Jetty Http Service");
this.jettyServiceFactoryReg = this.getBundleContext().registerService("org.osgi.service.cm.ManagedServiceFactory",
new ServiceFactory()
{
@Override
public Object getService(final Bundle bundle,
final ServiceRegistration registration)
{
synchronized ( jetty )
{
if ( managedServiceFactory == null )
{
managedServiceFactory = new JettyManagedServiceFactory(getBundleContext());
}
}
return managedServiceFactory;
}
@Override
public void ungetService(final Bundle bundle,
final ServiceRegistration registration,
final Object service)
{
// do nothing
}
}, factoryProps);
}
@Override
protected void doStop() throws Exception
{
if ( this.managedServiceFactory != null )
{
this.managedServiceFactory.close();
}
this.jetty.stop();
if ( metatypeReg != null )
{
metatypeReg.unregister();
metatypeReg = null;
}
if ( loadBalancerCustomizerFactoryReg != null )
{
loadBalancerCustomizerFactoryReg.unregister();
loadBalancerCustomizerFactoryReg = null;
}
if ( jettyServiceFactoryReg != null )
{
jettyServiceFactoryReg.unregister();
jettyServiceFactoryReg = null;
}
super.doStop();
}
}