Package org.apache.activemq.web

Source Code of org.apache.activemq.web.WebConsoleStarter

/**
* 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.activemq.web;

import javax.jms.ConnectionFactory;
import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.context.support.XmlWebApplicationContext;

/**
* Starts the WebConsole.
*
*
*/
public class WebConsoleStarter implements ServletContextListener {
   
    private static final Logger LOG = LoggerFactory.getLogger(WebConsoleStarter.class);

    public void contextInitialized(ServletContextEvent event) {
        LOG.debug("Initializing ActiveMQ WebConsole...");

        ServletContext servletContext = event.getServletContext();
        WebApplicationContext context = createWebapplicationContext(servletContext);

        initializeWebClient(servletContext, context);

        LOG.info("ActiveMQ WebConsole initialized.");
    }

    private WebApplicationContext createWebapplicationContext(ServletContext servletContext) {
        String webconsoleType = System.getProperty("webconsole.type", "embedded");
        String configuration = "/WEB-INF/webconsole-" + webconsoleType + ".xml";

        XmlWebApplicationContext context = new XmlWebApplicationContext();
        context.setServletContext(servletContext);
        context.setConfigLocations(new String[] {
            configuration
        });
        context.refresh();
        context.start();

        servletContext.setAttribute(WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, context);

        return context;
    }

    private void initializeWebClient(ServletContext servletContext, WebApplicationContext context) {
        ConnectionFactory connectionFactory = (ConnectionFactory)context.getBean("connectionFactory");
        servletContext.setAttribute(WebClient.CONNECTION_FACTORY_ATTRIBUTE, connectionFactory);
    }

    public void contextDestroyed(ServletContextEvent event) {
        XmlWebApplicationContext context = (XmlWebApplicationContext)WebApplicationContextUtils.getWebApplicationContext(event.getServletContext());
        if (context != null) {
            context.stop();
            context.destroy();
        }
        // do nothing, since the context is destroyed anyway
    }

}
TOP

Related Classes of org.apache.activemq.web.WebConsoleStarter

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.