org.red5.server.war.SubContextLoaderServlet.java Source code

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Here is the source code for org.red5.server.war.SubContextLoaderServlet.java

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package org.red5.server.war;

/*
 * RED5 Open Source Flash Server - http://www.osflash.org/red5
 *
 * Copyright (c) 2006-2007 by respective authors (see below). All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2.1 of the License, or (at your option) any later
 * version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

import java.rmi.Naming;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;

import org.apache.log4j.Logger;
import org.springframework.web.context.ContextLoader;

/**
 * Entry point from which the server config file is loaded while running within
 * a J2EE application container.
 * 
 * This listener should be registered after Log4jConfigListener in web.xml, if
 * the latter is used.
 * 
 * @author The Red5 Project (red5@osflash.org)
 * @author Paul Gregoire (mondain@gmail.com)
 */
public class SubContextLoaderServlet extends RootContextLoaderServlet {

    private final static long serialVersionUID = 41919712007L;

    // Initialize Logging
    public static Logger logger = Logger.getLogger(SubContextLoaderServlet.class.getName());

    private static ServletContext servletContext;

    /**
     * Main entry point for the Red5 Server as a war
     */
    // Notification that the web application is ready to process requests
    @Override
    public void contextInitialized(ServletContextEvent sce) {
        if (null != servletContext) {
            return;
        }
        System.setProperty("red5.deployment.type", "war");

        servletContext = sce.getServletContext();
        String prefix = servletContext.getRealPath("/");

        initRegistry(servletContext);

        long time = System.currentTimeMillis();

        logger.info("RED5 Server subcontext loader");
        logger.debug("Path: " + prefix);

        try {
            String[] configArray = servletContext.getInitParameter(ContextLoader.CONFIG_LOCATION_PARAM)
                    .split("[,\\s]");
            logger.debug("Config location files: " + configArray.length);

            WebSettings settings = new WebSettings();
            settings.setPath(prefix);
            // prefix the config file paths so they can be found later
            String[] subConfigs = new String[configArray.length];
            for (int s = 0; s < configArray.length; s++) {
                String cfg = "file:/" + prefix + configArray[s];
                logger.debug("Sub config location: " + cfg);
                subConfigs[s] = cfg;
            }
            settings.setConfigs(subConfigs);
            settings.setWebAppKey(servletContext.getInitParameter("webAppRootKey"));

            // store this contexts settings in the registry
            IRemotableList remote = null;
            boolean firstReg = false;
            try {
                remote = (IRemotableList) Naming.lookup("rmi://localhost:" + rmiPort + "/subContextList");
            } catch (Exception e) {
                logger.warn("Lookup failed: " + e.getMessage());
            }
            if (remote == null) {
                remote = new RemotableList();
                firstReg = true;
            }
            logger.debug("Adding child web settings");
            remote.addChild(settings);
            logger.debug("Remote list size: " + remote.numChildren());
            if (firstReg) {
                Naming.bind("rmi://localhost:" + rmiPort + "/subContextList", remote);
            } else {
                Naming.rebind("rmi://localhost:" + rmiPort + "/subContextList", remote);
            }

        } catch (Throwable t) {
            logger.error(t);
        }

        long startupIn = System.currentTimeMillis() - time;
        logger.info("Startup done in: " + startupIn + " ms");

    }

}