| /******************************************************************************* |
| * Copyright (c) 2005-2007 Cognos Incorporated, IBM Corporation 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: |
| * Cognos Incorporated - initial API and implementation |
| * IBM Corporation - bug fixes and enhancements |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.http.servlet.internal; |
| |
| import java.util.*; |
| import javax.servlet.ServletConfig; |
| import org.osgi.framework.*; |
| import org.osgi.service.http.HttpService; |
| |
| public class Activator implements BundleActivator { |
| |
| private static final String DEFAULT_SERVICE_DESCRIPTION = "Equinox Servlet Bridge"; //$NON-NLS-1$ |
| private static final String DEFAULT_SERVICE_VENDOR = "Eclipse.org"; //$NON-NLS-1$ |
| |
| private static BundleContext context; |
| private static Map serviceRegistrations = new HashMap(); |
| |
| public void start(BundleContext context) throws Exception { |
| startHttpServiceProxy(context); |
| } |
| |
| public void stop(BundleContext context) throws Exception { |
| stopHttpServiceProxy(context); |
| } |
| |
| private static synchronized void startHttpServiceProxy(BundleContext bundleContext) { |
| context = bundleContext; |
| Object[] proxyServlets = serviceRegistrations.keySet().toArray(); |
| for (int i = 0; i < proxyServlets.length; ++i) { |
| ServiceRegistration registration = registerHttpService((ProxyServlet) proxyServlets[i]); |
| serviceRegistrations.put(proxyServlets[i], registration); |
| } |
| } |
| |
| private static synchronized void stopHttpServiceProxy(BundleContext bundleContext) { |
| Object[] proxyServlets = serviceRegistrations.keySet().toArray(); |
| for (int i = 0; i < proxyServlets.length; ++i) { |
| ServiceRegistration registration = (ServiceRegistration) serviceRegistrations.put(proxyServlets[i], null); |
| registration.unregister(); |
| } |
| context = null; |
| } |
| |
| static synchronized void addProxyServlet(ProxyServlet proxyServlet) { |
| ServiceRegistration registration = null; |
| if (context != null) |
| registration = registerHttpService(proxyServlet); |
| |
| serviceRegistrations.put(proxyServlet, registration); |
| } |
| |
| private static ServiceRegistration registerHttpService(ProxyServlet proxyServlet) { |
| HttpServiceFactory factory = new HttpServiceFactory(proxyServlet); |
| Dictionary serviceProperties = new Hashtable(2); |
| ServletConfig config = proxyServlet.getServletConfig(); |
| Enumeration initparameterNames = config.getInitParameterNames(); |
| while (initparameterNames.hasMoreElements()) { |
| String name = (String) initparameterNames.nextElement(); |
| serviceProperties.put(name, config.getInitParameter(name)); |
| } |
| |
| if (serviceProperties.get(Constants.SERVICE_VENDOR) == null) |
| serviceProperties.put(Constants.SERVICE_VENDOR, DEFAULT_SERVICE_VENDOR); |
| |
| if (serviceProperties.get(Constants.SERVICE_DESCRIPTION) == null) |
| serviceProperties.put(Constants.SERVICE_DESCRIPTION, DEFAULT_SERVICE_DESCRIPTION); |
| |
| return context.registerService(HttpService.class.getName(), factory, serviceProperties); |
| } |
| |
| static synchronized void removeProxyServlet(ProxyServlet proxyServlet) { |
| ServiceRegistration registration = (ServiceRegistration) serviceRegistrations.remove(proxyServlet); |
| if (registration != null) |
| registration.unregister(); |
| } |
| } |