Examples with BeginWebBeansListener org.apache.openejb.server.httpd.BeginWebBeansListener used on opensource projects

Example 1 with BeginWebBeansListener

use of org.apache.openejb.server.httpd.BeginWebBeansListener in project tomee by apache.

the class TomcatWebAppBuilder method afterStart.

/**
 * {@inheritDoc}
 */
@Override
public void afterStart(final StandardContext standardContext) {
    if (isIgnored(standardContext)) {
        return;
    }
    if (shouldNotDeploy(standardContext)) {
        return;
    }
    final Realm realm = standardContext.getRealm();
    final ClassLoader classLoader = standardContext.getLoader().getClassLoader();
    final Thread thread = Thread.currentThread();
    final ClassLoader originalLoader = thread.getContextClassLoader();
    if (realm != null && !(realm instanceof TomEERealm) && (standardContext.getParent() == null || (!realm.equals(standardContext.getParent().getRealm())))) {
        thread.setContextClassLoader(classLoader);
        try {
            standardContext.setRealm(tomeeRealm(realm));
        } finally {
            thread.setContextClassLoader(originalLoader);
        }
    }
    // if appInfo is null this is a failed deployment... just ignore
    final ContextInfo contextInfo = getContextInfo(standardContext);
    // shouldnt be there after startup (actually we shouldnt need it from info tree but our scanning does)
    contextInfo.module = null;
    if (contextInfo != null && contextInfo.appInfo == null) {
        return;
    } else if (contextInfo == null) {
        // openejb webapp loaded from the LoaderServlet
        return;
    }
    final String id = getId(standardContext);
    WebAppInfo currentWebAppInfo = null;
    for (final WebAppInfo webAppInfo : contextInfo.appInfo.webApps) {
        final String wId = getId(webAppInfo.host, webAppInfo.contextRoot, contextInfo.version);
        if (id.equals(wId)) {
            currentWebAppInfo = webAppInfo;
            break;
        }
    }
    // bind extra stuff at the java:comp level which can only be
    // bound after the context is created
    thread.setContextClassLoader(classLoader);
    final NamingContextListener ncl = standardContext.getNamingContextListener();
    final String listenerName = ncl.getName();
    ContextAccessController.setWritable(listenerName, standardContext.getNamingToken());
    try {
        final Context openejbContext = (Context) getContainerSystem().getJNDIContext().lookup("openejb");
        final Context root = (Context) ContextBindings.getClassLoader().lookup("");
        // usually fails
        final Context comp = (Context) ContextBindings.getClassLoader().lookup("comp");
        // Context root = ncl.getNamingContext();
        // Context comp = (Context) root.lookup("comp");
        safeBind(root, "openejb", openejbContext);
        // add context to WebDeploymentInfo
        if (currentWebAppInfo != null) {
            final WebContext webContext = getContainerSystem().getWebContext(currentWebAppInfo.moduleId);
            if (webContext != null) {
                webContext.setJndiEnc(root);
            }
            try {
                // Bean Validation
                standardContext.getServletContext().setAttribute("javax.faces.validator.beanValidator.ValidatorFactory", openejbContext.lookup(Assembler.VALIDATOR_FACTORY_NAMING_CONTEXT.replaceFirst("openejb", "") + currentWebAppInfo.uniqueId));
            } catch (final NamingException ne) {
                LOGGER.warning("no validator factory found for webapp " + currentWebAppInfo.moduleId);
            }
        }
        try {
            final Class<?> orb = TomcatWebAppBuilder.class.getClassLoader().loadClass("org.omg.CORBA.ORB");
            if (SystemInstance.get().getComponent(orb) != null) {
                safeBind(comp, "ORB", new SystemComponentReference(orb));
            }
        } catch (final NoClassDefFoundError | ClassNotFoundException cnfe) {
        // no-op
        }
        if (SystemInstance.get().getComponent(HandleDelegate.class) != null) {
            safeBind(comp, "HandleDelegate", new SystemComponentReference(HandleDelegate.class));
        }
    } catch (final NamingException e) {
    // no-op
    } finally {
        // see also the start method getContainerSystem().addWebDeployment(webContext);
        try {
            servletContextHandler.getContexts().put(classLoader, standardContext.getServletContext());
            for (final WebAppInfo webAppInfo : contextInfo.appInfo.webApps) {
                final String wId = getId(webAppInfo.host, webAppInfo.contextRoot, contextInfo.version);
                if (id.equals(wId)) {
                    // Allow any post-deployment to happen without the RequestContext of a call to /tomee/ejb
                    final Request request = OpenEJBSecurityListener.requests.get();
                    OpenEJBSecurityListener.requests.remove();
                    SystemInstance.get().fireEvent(new AfterApplicationCreated(contextInfo.appInfo, webAppInfo, standardContext.getServletContext()));
                    if (request != null) {
                        OpenEJBSecurityListener.requests.set(request);
                    }
                    break;
                }
            }
        } finally {
            servletContextHandler.getContexts().remove(classLoader);
        }
        thread.setContextClassLoader(originalLoader);
        ContextAccessController.setReadOnly(listenerName);
    }
    thread.setContextClassLoader(classLoader);
    try {
        // owb integration filters
        final WebBeansContext webBeansContext = getWebBeansContext(contextInfo);
        if (webBeansContext != null) {
            // it is important to have a begin and a end listener
            // to be sure to create contexts before other listeners
            // and destroy contexts after other listeners
            final BeginWebBeansListener beginWebBeansListener = new BeginWebBeansListener(webBeansContext);
            final EndWebBeansListener endWebBeansListener = new EndWebBeansListener(webBeansContext);
            {
                final Object[] appEventListeners = standardContext.getApplicationEventListeners();
                final Object[] newEventListeners = new Object[appEventListeners.length + 2];
                newEventListeners[0] = beginWebBeansListener;
                System.arraycopy(appEventListeners, 0, newEventListeners, 1, appEventListeners.length);
                newEventListeners[newEventListeners.length - 1] = endWebBeansListener;
                standardContext.setApplicationEventListeners(newEventListeners);
            }
            {
                final Object[] lifecycleListeners = standardContext.getApplicationLifecycleListeners();
                final Object[] newLifecycleListeners = new Object[lifecycleListeners.length + 2];
                newLifecycleListeners[0] = beginWebBeansListener;
                System.arraycopy(lifecycleListeners, 0, newLifecycleListeners, 1, lifecycleListeners.length);
                newLifecycleListeners[newLifecycleListeners.length - 1] = endWebBeansListener;
                standardContext.setApplicationLifecycleListeners(newLifecycleListeners);
            }
            // also add the ThreadBindingListener to clean up async thread executions
            {
                WebBeansThreadBindingListener webBeansThreadBindingListener = new WebBeansThreadBindingListener(webBeansContext, standardContext.getThreadBindingListener());
                standardContext.setThreadBindingListener(webBeansThreadBindingListener);
            }
            final ContextsService contextsService = webBeansContext.getContextsService();
            if (CdiAppContextsService.class.isInstance(contextsService)) {
                // here ServletContext is usable
                CdiAppContextsService.class.cast(contextsService).applicationStarted(standardContext.getServletContext());
            }
        } else {
            // just add the end listener to be able to stack tasks to execute at the request end
            final EndWebBeansListener endWebBeansListener = new EndWebBeansListener(webBeansContext);
            {
                final Object[] appEventListeners = standardContext.getApplicationEventListeners();
                final Object[] newEventListeners = new Object[appEventListeners.length + 1];
                System.arraycopy(appEventListeners, 0, newEventListeners, 0, appEventListeners.length);
                newEventListeners[newEventListeners.length - 1] = endWebBeansListener;
                standardContext.setApplicationEventListeners(newEventListeners);
            }
            {
                final Object[] lifecycleListeners = standardContext.getApplicationLifecycleListeners();
                final Object[] newLifecycleListeners = new Object[lifecycleListeners.length + 1];
                System.arraycopy(lifecycleListeners, 0, newLifecycleListeners, 0, lifecycleListeners.length);
                newLifecycleListeners[newLifecycleListeners.length - 1] = endWebBeansListener;
                standardContext.setApplicationLifecycleListeners(newLifecycleListeners);
            }
        }
    } finally {
        thread.setContextClassLoader(originalLoader);
    }
    LinkageErrorProtection.preload(standardContext);
    final Pipeline pipeline = standardContext.getPipeline();
    pipeline.addValve(new OpenEJBValve());
    final String[] valves = SystemInstance.get().getOptions().get("tomee.valves", "").split(" *, *");
    for (final String className : valves) {
        if ("".equals(className)) {
            continue;
        }
        try {
            final Class<?> clazz = classLoader.loadClass(className);
            if (Valve.class.isAssignableFrom(clazz)) {
                final Valve valve = (Valve) clazz.newInstance();
                pipeline.addValve(valve);
            }
        } catch (final Exception e) {
            LOGGER.error("can't add the valve " + className, e);
        }
    }
    // add servlets to webappinfo
    if (currentWebAppInfo != null) {
        for (final String mapping : standardContext.findServletMappings()) {
            final ServletInfo info = new ServletInfo();
            info.servletName = standardContext.findServletMapping(mapping);
            info.mappings.add(mapping);
            final Container container = standardContext.findChild(info.servletName);
            if (container instanceof StandardWrapper) {
                info.servletClass = ((StandardWrapper) container).getServletClass();
            } else {
                info.servletClass = mapping;
            }
            currentWebAppInfo.servlets.add(info);
        }
    }
    addConfiguredDocBases(standardContext, contextInfo);
    ensureMyFacesDontLooseFacesContext(standardContext);
}