/*
* 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.sslfilter.internal;
import java.util.ArrayList;
import java.util.Dictionary;
import java.util.Hashtable;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import javax.servlet.ServletException;
import org.apache.felix.http.api.ExtHttpService;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Constants;
import org.osgi.framework.ServiceFactory;
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.log.LogService;
import org.osgi.util.tracker.ServiceTracker;
/**
* @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a>
*/
public class HttpServiceTracker extends ServiceTracker
{
private final ConcurrentMap<ServiceReference, SslFilter> filters;
private ServiceRegistration configReceiver;
@SuppressWarnings("serial")
public HttpServiceTracker(BundleContext context)
{
super(context, ExtHttpService.class.getName(), null);
this.filters = new ConcurrentHashMap<ServiceReference, SslFilter>();
}
@Override
public void open(boolean trackAllServices)
{
Dictionary<String, Object> props = new Hashtable<String, Object>();
props.put(Constants.SERVICE_PID, SslFilter.PID);
this.configReceiver = super.context.registerService(ManagedService.class.getName(), new ServiceFactory()
{
public Object getService(Bundle bundle, ServiceRegistration registration)
{
return new ManagedService()
{
public void updated(@SuppressWarnings("rawtypes") Dictionary properties) throws ConfigurationException
{
configureFilters(properties);
}
};
}
public void ungetService(Bundle bundle, ServiceRegistration registration, Object service)
{
// Nop
}
}, props);
super.open(trackAllServices);
}
@Override
public void close()
{
super.close();
if (this.configReceiver != null)
{
this.configReceiver.unregister();
this.configReceiver = null;
}
}
public Object addingService(ServiceReference reference)
{
ExtHttpService service = (ExtHttpService) super.addingService(reference);
if (service != null)
{
SslFilter filter = new SslFilter();
try
{
service.registerFilter(filter, ".*", new Hashtable(), 0, null);
this.filters.putIfAbsent(reference, filter);
SystemLogger.log(LogService.LOG_DEBUG, "SSL filter registered...");
}
catch (ServletException e)
{
SystemLogger.log(LogService.LOG_WARNING, "Failed to register SSL filter!", e);
}
}
return service;
}
public void removedService(ServiceReference reference, Object service)
{
SslFilter filter = this.filters.remove(reference);
if (filter != null)
{
((ExtHttpService) service).unregisterFilter(filter);
SystemLogger.log(LogService.LOG_DEBUG, "SSL filter unregistered...");
}
super.removedService(reference, service);
}
void configureFilters(@SuppressWarnings("rawtypes") final Dictionary properties) throws ConfigurationException
{
List<SslFilter> filters = new ArrayList<SslFilter>(this.filters.values());
for (SslFilter sslFilter : filters)
{
sslFilter.configure(properties);
}
}
}