Example usage for org.springframework.web.context ConfigurableWebApplicationContext start

List of usage examples for org.springframework.web.context ConfigurableWebApplicationContext start

Introduction

In this page you can find the example usage for org.springframework.web.context ConfigurableWebApplicationContext start.

Prototype

void start();

Source Link

Document

Start this component.

Usage

From source file:com.enonic.cms.server.service.servlet.CmsDispatcherServlet.java

private static void startContextIfNeeded(ConfigurableWebApplicationContext context) {
    if (!context.isRunning()) {
        context.start();
    }//from  w  w  w  .j  a v a 2 s . c om
}

From source file:org.red5.server.undertow.UndertowLoader.java

/**
 * Initialization.//from   w w  w  . j ava  2  s .  c om
 */
public void start() {
    log.info("Loading undertow context");
    //get a reference to the current threads classloader
    final ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader();
    // root location for servlet container
    String serverRoot = System.getProperty("red5.root");
    log.info("Server root: {}", serverRoot);
    String confRoot = System.getProperty("red5.config_root");
    log.info("Config root: {}", confRoot);
    if (webappFolder == null) {
        // Use default webapps directory
        webappFolder = FileUtil.formatPath(System.getProperty("red5.root"), "/webapps");
    }
    System.setProperty("red5.webapp.root", webappFolder);
    log.info("Application root: {}", webappFolder);
    // scan the sub directories to determine our context paths
    buildContextPathList(webappFolder);
    try {
        // create our servlet container
        container = ServletContainer.Factory.newInstance();
        // create a root path handler
        final PathHandler rootHandler = new PathHandler();
        // create one server and use it everywhere
        Undertow.Builder builder = Undertow.builder();
        // loop through connectors adding listeners to the builder
        for (UndertowConnector undertowConnector : connectors) {
            InetSocketAddress addr = undertowConnector.getSocketAddress();
            builder.addListener(addr.getPort(), addr.getHostName(),
                    (undertowConnector.isSecure() ? ListenerType.HTTPS : ListenerType.HTTP));
        }
        log.trace("Classloader for undertow: {} TCL: {}", Undertow.class.getClassLoader(), originalClassLoader);
        // create references for later lookup
        LoaderBase.setApplicationLoader(new UndertowApplicationLoader(container, applicationContext));
        // loop the other contexts
        for (String contextPath : contextPaths) {
            // create a class loader for the context
            ClassLoader classLoader = buildWebClassLoader(originalClassLoader, webappFolder, contextPath);
            // create deployment info
            DeploymentInfo info = deployment().setClassLoader(classLoader)
                    .setContextPath(contextPath.equalsIgnoreCase("/ROOT") ? "/" : contextPath)
                    .setDefaultEncoding("UTF-8").setDeploymentName(contextPath.substring(1) + ".war")
                    .setUrlEncoding("UTF-8");
            // parse the web.xml and configure the context
            parseWebXml(webappFolder, contextPath, info);
            if (log.isDebugEnabled()) {
                log.debug("Deployment info - name: {} servlets: {} filters: {}", new Object[] {
                        info.getDisplayName(), info.getServlets().size(), info.getFilters().size() });
            }
            // add the new deployment to the servlet container
            DeploymentManager manager = container.addDeployment(info);
            // set a reference to the manager and deploy the context
            LoaderBase.setRed5ApplicationContext(contextPath, new UndertowApplicationContext(manager));
            // deploy
            manager.deploy();
            // add path
            rootHandler.addPrefixPath(info.getContextPath(), manager.start());
            // get deployment
            Deployment deployment = manager.getDeployment();
            // get servlet context
            final ServletContext servletContext = deployment.getServletContext();
            log.debug("Context initialized: {}", servletContext.getContextPath());
            try {
                log.debug("Context: {}", servletContext);
                final ClassLoader webClassLoader = info.getClassLoader();
                log.debug("Webapp classloader: {}", webClassLoader);
                // get the (spring) config file path
                final String contextConfigLocation = servletContext.getInitParameter(
                        org.springframework.web.context.ContextLoader.CONFIG_LOCATION_PARAM) == null
                                ? defaultSpringConfigLocation
                                : servletContext.getInitParameter(
                                        org.springframework.web.context.ContextLoader.CONFIG_LOCATION_PARAM);
                log.debug("Spring context config location: {}", contextConfigLocation);
                // get the (spring) parent context key
                final String parentContextKey = servletContext.getInitParameter(
                        org.springframework.web.context.ContextLoader.LOCATOR_FACTORY_KEY_PARAM) == null
                                ? defaultParentContextKey
                                : servletContext.getInitParameter(
                                        org.springframework.web.context.ContextLoader.LOCATOR_FACTORY_KEY_PARAM);
                log.debug("Spring parent context key: {}", parentContextKey);
                // set current threads classloader to the webapp classloader
                Thread.currentThread().setContextClassLoader(webClassLoader);
                // create a thread to speed-up application loading
                Thread thread = new Thread("Launcher:" + servletContext.getContextPath()) {
                    public void run() {
                        //set thread context classloader to web classloader
                        Thread.currentThread().setContextClassLoader(webClassLoader);
                        //get the web app's parent context
                        ApplicationContext parentContext = null;
                        if (applicationContext.containsBean(parentContextKey)) {
                            parentContext = (ApplicationContext) applicationContext.getBean(parentContextKey);
                        } else {
                            log.warn("Parent context was not found: {}", parentContextKey);
                        }
                        // create a spring web application context
                        final String contextClass = servletContext.getInitParameter(
                                org.springframework.web.context.ContextLoader.CONTEXT_CLASS_PARAM) == null
                                        ? XmlWebApplicationContext.class.getName()
                                        : servletContext.getInitParameter(
                                                org.springframework.web.context.ContextLoader.CONTEXT_CLASS_PARAM);
                        // web app context (spring)
                        ConfigurableWebApplicationContext appctx = null;
                        try {
                            Class<?> clazz = Class.forName(contextClass, true, webClassLoader);
                            appctx = (ConfigurableWebApplicationContext) clazz.newInstance();
                            // set the root webapp ctx attr on the each servlet context so spring can find it later
                            servletContext.setAttribute(
                                    WebApplicationContext.ROOT_WEB_APPLICATION_CONTEXT_ATTRIBUTE, appctx);
                            appctx.setConfigLocations(new String[] { contextConfigLocation });
                            appctx.setServletContext(servletContext);
                            // set parent context or use current app context
                            if (parentContext != null) {
                                appctx.setParent(parentContext);
                            } else {
                                appctx.setParent(applicationContext);
                            }
                            // refresh the factory
                            log.trace("Classloader prior to refresh: {}", appctx.getClassLoader());
                            appctx.refresh();
                            if (log.isDebugEnabled()) {
                                log.debug("Red5 app is active: {} running: {}", appctx.isActive(),
                                        appctx.isRunning());
                            }
                            appctx.start();
                        } catch (Throwable e) {
                            throw new RuntimeException("Failed to load webapplication context class", e);
                        }
                    }
                };
                thread.setDaemon(true);
                thread.start();
            } catch (Throwable t) {
                log.error("Error setting up context: {} due to: {}", servletContext.getContextPath(),
                        t.getMessage());
                t.printStackTrace();
            } finally {
                //reset the classloader
                Thread.currentThread().setContextClassLoader(originalClassLoader);
            }
        }
        // Dump deployments list
        if (log.isDebugEnabled()) {
            for (String deployment : container.listDeployments()) {
                log.debug("Container deployment: {}", deployment);
            }
        }
        // if everything is ok at this point then call the rtmpt and rtmps beans so they will init
        //         if (applicationContext.containsBean("rtmpt.server")) {
        //            log.debug("Initializing RTMPT");
        //            applicationContext.getBean("rtmpt.server");
        //            log.debug("Finished initializing RTMPT");
        //         } else {
        //            log.info("Dedicated RTMPT server configuration was not specified");
        //         }
        //         if (applicationContext.containsBean("rtmps.server")) {
        //            log.debug("Initializing RTMPS");
        //            applicationContext.getBean("rtmps.server");
        //            log.debug("Finished initializing RTMPS");
        //         } else {
        //            log.debug("Dedicated RTMPS server configuration was not specified");
        //         }
        // add a root handler
        builder.setHandler(rootHandler);
        // build the server instance
        server = builder.build();
        log.info("Starting Undertow");
        server.start();
    } catch (Exception e) {
        if (e instanceof BindException || e.getMessage().indexOf("BindException") != -1) {
            log.error(
                    "Error loading undertow, unable to bind connector. You may not have permission to use the selected port",
                    e);
        } else {
            log.error("Error loading undertow", e);
        }
    } finally {
        registerJMX();
    }
    log.debug("Undertow init exit");
}