| /** |
| * 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.camel.itest.osgi.servlet.support; |
| |
| // START SNIPPET: activator |
| import java.util.Dictionary; |
| import java.util.Hashtable; |
| |
| import org.apache.camel.component.servlet.CamelHttpTransportServlet; |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.http.HttpContext; |
| import org.osgi.service.http.HttpService; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.osgi.context.BundleContextAware; |
| |
| public final class ServletActivator implements BundleActivator, BundleContextAware { |
| private static final transient Logger LOG = LoggerFactory.getLogger(ServletActivator.class); |
| private static boolean registerService; |
| |
| /** |
| * HttpService reference. |
| */ |
| private ServiceReference httpServiceRef; |
| |
| /** |
| * Called when the OSGi framework starts our bundle |
| */ |
| public void start(BundleContext bc) throws Exception { |
| registerServlet(bc); |
| } |
| |
| /** |
| * Called when the OSGi framework stops our bundle |
| */ |
| public void stop(BundleContext bc) throws Exception { |
| if (httpServiceRef != null) { |
| bc.ungetService(httpServiceRef); |
| httpServiceRef = null; |
| } |
| } |
| |
| protected void registerServlet(BundleContext bundleContext) throws Exception { |
| httpServiceRef = bundleContext.getServiceReference(HttpService.class.getName()); |
| |
| if (httpServiceRef != null && !registerService) { |
| LOG.info("Register the servlet service"); |
| final HttpService httpService = (HttpService)bundleContext.getService(httpServiceRef); |
| if (httpService != null) { |
| // create a default context to share between registrations |
| final HttpContext httpContext = httpService.createDefaultHttpContext(); |
| // register the hello world servlet |
| final Dictionary<String, String> initParams = new Hashtable<String, String>(); |
| initParams.put("matchOnUriPrefix", "false"); |
| initParams.put("servlet-name", "CamelServlet"); |
| httpService.registerServlet("/camel/services", // alias |
| new CamelHttpTransportServlet(), // register servlet |
| initParams, // init params |
| httpContext // http context |
| ); |
| registerService = true; |
| } |
| } |
| } |
| |
| public void setBundleContext(BundleContext bc) { |
| try { |
| registerServlet(bc); |
| } catch (Exception e) { |
| LOG.error("Cannot register the servlet, the reason is " + e); |
| } |
| } |
| |
| } |
| // END SNIPPET: activator |