org.red5.server.jetty.Red5WebPropertiesConfiguration.java Source code

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Here is the source code for org.red5.server.jetty.Red5WebPropertiesConfiguration.java

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package org.red5.server.jetty;

/*
 * 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.util.EventListener;
import java.util.Properties;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.mortbay.jetty.handler.ContextHandler;
import org.mortbay.jetty.webapp.Configuration;
import org.mortbay.jetty.webapp.WebAppContext;
import org.mortbay.resource.Resource;
import org.red5.server.Context;
import org.red5.server.ContextLoader;
import org.red5.server.JettyLoader;
import org.red5.server.WebScope;
import org.red5.server.adapter.ApplicationAdapter;
import org.red5.server.api.IClientRegistry;
import org.red5.server.api.IMappingStrategy;
import org.red5.server.api.IScopeResolver;
import org.red5.server.api.IServer;
import org.red5.server.api.service.IServiceInvoker;
import org.springframework.beans.factory.access.BeanFactoryLocator;
import org.springframework.beans.factory.access.BeanFactoryReference;
import org.springframework.context.ApplicationContext;
import org.springframework.context.access.ContextSingletonBeanFactoryLocator;
import org.springframework.web.context.support.GenericWebApplicationContext;

/**
 * Red web properties configuration
 */
public class Red5WebPropertiesConfiguration implements Configuration, EventListener {

    /**
     *
     */
    private static final long serialVersionUID = 951479449391784526L;

    /**
     * Logger
     */
    protected static Log log = LogFactory.getLog(Red5WebPropertiesConfiguration.class.getName());

    /**
     * Web application context
     */
    protected static WebAppContext _context;

    /** {@inheritDoc} */
    public void setWebAppContext(WebAppContext context) {
        _context = context;
    }

    /** {@inheritDoc} */
    public WebAppContext getWebAppContext() {
        return _context;
    }

    /** {@inheritDoc} */
    public void configureClassLoader() throws Exception {
        // Try to load classes from WEB-INF directory first before looking in the
        // system classpath. This fixes problems when using extended spring features
        // like mail and only having the additional .jar files in the WEB-INF/lib
        // directory. Please note that for example the spring-support.jar file must
        // be copied to the WEB-INF/lib directory, too as it's classloader is used
        // to load the additional classes.
        _context.setParentLoaderPriority(false);
    }

    /** {@inheritDoc} */
    public void configureDefaults() throws Exception {
    }

    /** {@inheritDoc} */
    public void configureWebApp() throws Exception {
        log.debug("Configuring Jetty webapp");

        // Get context
        WebAppContext context = getWebAppContext();

        // If app is already started...
        if (context.isStarted()) {
            log.debug("Cannot configure webapp after it is started");
            return;
        }

        // Get WEB_INF directory
        Resource webInf = context.getWebInf();
        if (webInf != null && webInf.isDirectory()) {
            // Get properties file with virtualHosts and context path
            Resource config = webInf.addPath("red5-web.properties");
            if (config.exists()) {
                log.debug("Configuring red5-web.properties");
                // Load configuration properties
                Properties props = new Properties();
                props.load(config.getInputStream());

                // Get context path and virtual hosts
                String contextPath = props.getProperty("webapp.contextPath");
                String virtualHosts = props.getProperty("webapp.virtualHosts");

                // Get hostnames
                String[] hostnames = virtualHosts.split(",");
                for (int i = 0; i < hostnames.length; i++) {
                    hostnames[i] = hostnames[i].trim();
                    if (hostnames[i].equals("*")) {
                        // A virtual host "null" must be used so requests for
                        // any host will be served.
                        hostnames = null;
                        break;
                    }
                }

                // Set virtual hosts and context path to context
                context.setVirtualHosts(hostnames);
                context.setContextPath(contextPath);
            }
        } else if (webInf == null) {
            // No WEB-INF directory found, register as default application
            log.info("No WEB-INF directory found for " + context.getContextPath()
                    + ", creating default application.");
            BeanFactoryLocator bfl = ContextSingletonBeanFactoryLocator.getInstance("red5.xml");
            BeanFactoryReference bfr = bfl.useBeanFactory("red5.common");

            // Create WebScope dynamically
            WebScope scope = new WebScope();
            IServer server = (IServer) bfr.getFactory().getBean(IServer.ID);
            scope.setServer(server);
            scope.setGlobalScope(server.getGlobal("default"));

            // Get default Red5 context from context loader that is JettyLoader in this case
            ApplicationContext appCtx = JettyLoader.getApplicationContext();
            ContextLoader loader = (ContextLoader) appCtx.getBean("context.loader");
            appCtx = loader.getContext("default.context");

            // Create context for the WebScope and initialize
            Context scopeContext = new Context();
            scopeContext.setContextPath("/");
            scopeContext.setClientRegistry((IClientRegistry) appCtx.getBean("global.clientRegistry"));
            scopeContext.setMappingStrategy((IMappingStrategy) appCtx.getBean("global.mappingStrategy"));
            scopeContext.setServiceInvoker((IServiceInvoker) appCtx.getBean("global.serviceInvoker"));
            scopeContext.setScopeResolver((IScopeResolver) appCtx.getBean("red5.scopeResolver"));

            // The context needs an ApplicationContext so resources can be
            // resolved
            GenericWebApplicationContext webCtx = new GenericWebApplicationContext();
            webCtx.setDisplayName("Automatic generated WebAppContext");
            webCtx.setParent(appCtx);
            webCtx.setServletContext(ContextHandler.getCurrentContext());
            scopeContext.setApplicationContext(webCtx);

            // Store context in scope
            scope.setContext(scopeContext);

            // Use default ApplicationAdapter as handler
            scope.setHandler(new ApplicationAdapter());

            // Make available as "/<directoryName>" and allow access from all
            // hosts
            scope.setContextPath(context.getContextPath());
            scope.setVirtualHosts("*");

            // Register WebScope in server
            scope.register();
        }
    }

    /** {@inheritDoc} */
    public void deconfigureWebApp() throws Exception {
    }

}