| /******************************************************************************* |
| * Copyright (c) 2005, 2007 Cognos Incorporated, IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Cognos Incorporated - initial API and implementation |
| * IBM Corporation - bug fixes and enhancements |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.http.registry.internal; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.eclipse.core.runtime.IExtensionRegistry; |
| import org.eclipse.equinox.http.registry.HttpContextExtensionService; |
| import org.osgi.framework.*; |
| import org.osgi.service.http.HttpContext; |
| import org.osgi.service.http.HttpService; |
| import org.osgi.service.packageadmin.PackageAdmin; |
| import org.osgi.util.tracker.ServiceTracker; |
| |
| public class HttpServiceTracker extends ServiceTracker<HttpService, HttpService> { |
| |
| private BundleContext context; |
| private PackageAdmin packageAdmin; |
| private IExtensionRegistry registry; |
| |
| private ServiceRegistration<?> registration; |
| Map<ServiceReference<HttpService>, HttpRegistryManager> httpRegistryManagers = new HashMap<>(); |
| |
| public HttpServiceTracker(BundleContext context, PackageAdmin packageAdmin, IExtensionRegistry registry) { |
| super(context, HttpService.class, null); |
| this.context = context; |
| this.packageAdmin = packageAdmin; |
| this.registry = registry; |
| } |
| |
| public void open() { |
| super.open(); |
| registration = context.registerService(HttpContextExtensionService.class.getName(), new HttpContextExtensionServiceFactory(), null); |
| } |
| |
| public void close() { |
| registration.unregister(); |
| registration = null; |
| super.close(); |
| } |
| |
| public synchronized HttpService addingService(ServiceReference<HttpService> reference) { |
| HttpService httpService = super.addingService(reference); |
| if (httpService == null) |
| return null; |
| |
| HttpRegistryManager httpRegistryManager = new HttpRegistryManager(reference, httpService, packageAdmin, registry); |
| httpRegistryManager.start(); |
| httpRegistryManagers.put(reference, httpRegistryManager); |
| |
| return httpService; |
| } |
| |
| public void modifiedService(ServiceReference<HttpService> reference, HttpService service) { |
| // ignored |
| } |
| |
| public synchronized void removedService(ServiceReference<HttpService> reference, HttpService service) { |
| HttpRegistryManager httpRegistryManager = httpRegistryManagers.remove(reference); |
| if (httpRegistryManager != null) { |
| httpRegistryManager.stop(); |
| } |
| super.removedService(reference, service); |
| } |
| |
| public class HttpContextExtensionServiceFactory implements ServiceFactory<HttpContextExtensionService> { |
| |
| public HttpContextExtensionService getService(Bundle bundle, ServiceRegistration<HttpContextExtensionService> registration) { |
| return new HttpContextExtensionServiceImpl(bundle); |
| } |
| |
| public void ungetService(Bundle bundle, ServiceRegistration<HttpContextExtensionService> registration, HttpContextExtensionService service) { |
| // do nothing |
| } |
| } |
| |
| public class HttpContextExtensionServiceImpl implements HttpContextExtensionService { |
| |
| private Bundle bundle; |
| |
| public HttpContextExtensionServiceImpl(Bundle bundle) { |
| this.bundle = bundle; |
| } |
| |
| public HttpContext getHttpContext(ServiceReference<HttpService> httpServiceReference, String httpContextId) { |
| synchronized (HttpServiceTracker.this) { |
| HttpRegistryManager httpRegistryManager = httpRegistryManagers.get(httpServiceReference); |
| if (httpRegistryManager == null) |
| return null; |
| |
| return httpRegistryManager.getHttpContext(httpContextId, bundle); |
| } |
| } |
| } |
| } |