| /* |
| * 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.base.internal; |
| |
| import java.util.Hashtable; |
| |
| import javax.annotation.Nonnull; |
| import javax.servlet.Servlet; |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpSessionAttributeListener; |
| import javax.servlet.http.HttpSessionEvent; |
| import javax.servlet.http.HttpSessionIdListener; |
| import javax.servlet.http.HttpSessionListener; |
| |
| import org.apache.felix.http.base.internal.dispatch.Dispatcher; |
| import org.apache.felix.http.base.internal.dispatch.DispatcherServlet; |
| import org.apache.felix.http.base.internal.handler.HttpSessionWrapper; |
| import org.apache.felix.http.base.internal.registry.HandlerRegistry; |
| import org.apache.felix.http.base.internal.service.HttpServiceFactory; |
| import org.apache.felix.http.base.internal.whiteboard.WhiteboardManager; |
| import org.osgi.framework.BundleContext; |
| |
| public final class HttpServiceController |
| { |
| private final BundleContext bundleContext; |
| private final HandlerRegistry registry; |
| private final Dispatcher dispatcher; |
| private final EventDispatcher eventDispatcher; |
| private final HttpServiceFactory httpServiceFactory; |
| private final WhiteboardManager whiteboardManager; |
| |
| private volatile HttpSessionListener httpSessionListener; |
| |
| public HttpServiceController(final BundleContext bundleContext) |
| { |
| this.bundleContext = bundleContext; |
| this.registry = new HandlerRegistry(); |
| this.dispatcher = new Dispatcher(this.registry); |
| this.eventDispatcher = new EventDispatcher(this); |
| this.httpServiceFactory = new HttpServiceFactory(this.bundleContext, this.registry); |
| this.whiteboardManager = new WhiteboardManager(bundleContext, this.httpServiceFactory, this.registry); |
| } |
| |
| public void stop() |
| { |
| this.unregister(); |
| } |
| |
| /** |
| * Create a new dispatcher servlet |
| * @return The dispatcher servlet. |
| */ |
| public @Nonnull Servlet createDispatcherServlet() |
| { |
| return new DispatcherServlet(this.dispatcher); |
| } |
| |
| public EventDispatcher getEventDispatcher() |
| { |
| return this.eventDispatcher; |
| } |
| |
| HttpSessionListener getSessionListener() |
| { |
| // we don't need to sync here, if the object gets created several times |
| // its not a problem |
| if ( httpSessionListener == null ) |
| { |
| httpSessionListener = new HttpSessionListener() { |
| |
| @Override |
| public void sessionDestroyed(final HttpSessionEvent se) { |
| httpServiceFactory.getSessionListener().sessionDestroyed(se); |
| whiteboardManager.sessionDestroyed(se.getSession(), HttpSessionWrapper.getSessionContextIds(se.getSession())); |
| } |
| |
| @Override |
| public void sessionCreated(final HttpSessionEvent se) { |
| httpServiceFactory.getSessionListener().sessionCreated(se); |
| } |
| }; |
| } |
| return httpSessionListener; |
| } |
| |
| /** |
| * TODO : we should try to remove this, it's only needed for |
| * the proprietary support of the Felix implementation |
| */ |
| HttpSessionAttributeListener getSessionAttributeListener() |
| { |
| return httpServiceFactory.getSessionAttributeListener(); |
| } |
| |
| HttpSessionIdListener getSessionIdListener() |
| { |
| return new HttpSessionIdListener() { |
| |
| @Override |
| public void sessionIdChanged(final HttpSessionEvent event, String oldSessionId) { |
| whiteboardManager.sessionIdChanged(event, oldSessionId, HttpSessionWrapper.getSessionContextIds(event.getSession())); |
| } |
| }; |
| } |
| |
| /** |
| * Start the http and http whiteboard service in the provided context. |
| * @param containerContext The container context. |
| */ |
| public void register(@Nonnull final ServletContext containerContext, @Nonnull final Hashtable<String, Object> props) |
| { |
| this.registry.init(); |
| |
| this.httpServiceFactory.start(containerContext, props); |
| this.whiteboardManager.start(containerContext, props); |
| |
| this.dispatcher.setWhiteboardManager(this.whiteboardManager); |
| } |
| |
| /** |
| * Stops the http and http whiteboard service. |
| */ |
| public void unregister() |
| { |
| this.dispatcher.setWhiteboardManager(null); |
| |
| this.httpServiceFactory.stop(); |
| this.whiteboardManager.stop(); |
| |
| this.registry.shutdown(); |
| this.httpSessionListener = null; |
| } |
| } |