001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 package org.apache.activemq.web; 018 019 import javax.jms.ConnectionFactory; 020 import javax.servlet.ServletContext; 021 import javax.servlet.ServletContextEvent; 022 import javax.servlet.ServletContextListener; 023 024 import org.apache.commons.logging.Log; 025 import org.apache.commons.logging.LogFactory; 026 import org.springframework.web.context.WebApplicationContext; 027 import org.springframework.web.context.support.WebApplicationContextUtils; 028 import org.springframework.web.context.support.XmlWebApplicationContext; 029 030 /** 031 * Starts the WebConsole. 032 * 033 * @version $Revision: 1.1 $ 034 */ 035 public class WebConsoleStarter implements ServletContextListener { 036 037 private static final Log LOG = LogFactory.getLog(WebConsoleStarter.class); 038 039 public void contextInitialized(ServletContextEvent event) { 040 LOG.debug("Initializing ActiveMQ WebConsole..."); 041 042 ServletContext servletContext = event.getServletContext(); 043 WebApplicationContext context = createWebapplicationContext(servletContext); 044 045 initializeWebClient(servletContext, context); 046 047 LOG.info("ActiveMQ WebConsole initialized."); 048 } 049 050 private WebApplicationContext createWebapplicationContext(ServletContext servletContext) { 051 String webconsoleType = System.getProperty("webconsole.type", "embedded"); 052 String configuration = "/WEB-INF/webconsole-" + webconsoleType + ".xml"; 053 054 XmlWebApplicationContext context = new XmlWebApplicationContext(); 055 context.setServletContext(servletContext); 056 context.setConfigLocations(new String[] { 057 configuration 058 }); 059 context.refresh(); 060 context.start(); 061 062 servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, context); 063 064 return context; 065 } 066 067 private void initializeWebClient(ServletContext servletContext, WebApplicationContext context) { 068 ConnectionFactory connectionFactory = (ConnectionFactory)context.getBean("connectionFactory"); 069 servletContext.setAttribute(WebClient.CONNECTION_FACTORY_ATTRIBUTE, connectionFactory); 070 } 071 072 public void contextDestroyed(ServletContextEvent event) { 073 XmlWebApplicationContext context = (XmlWebApplicationContext)WebApplicationContextUtils.getWebApplicationContext(event.getServletContext()); 074 if (context != null) { 075 context.stop(); 076 context.destroy(); 077 } 078 // do nothing, since the context is destoyed anyway 079 } 080 081 }