Examples with WebListener javax.servlet.annotation.WebListener used on opensource projects

Example 1 with WebListener

use of javax.servlet.annotation.WebListener in project tomee by apache.

the class LightweightWebAppBuilder method deployWebApps.

@Override
public void deployWebApps(final AppInfo appInfo, final ClassLoader appClassLoader) throws Exception {
    final CoreContainerSystem cs = (CoreContainerSystem) SystemInstance.get().getComponent(ContainerSystem.class);
    final AppContext appContext = cs.getAppContext(appInfo.appId);
    if (appContext == null) {
        throw new OpenEJBRuntimeException("Can't find app context for " + appInfo.appId);
    }
    for (final WebAppInfo webAppInfo : appInfo.webApps) {
        ClassLoader classLoader = loaderByWebContext.get(webAppInfo.moduleId);
        if (classLoader == null) {
            classLoader = appClassLoader;
        }
        final Set<Injection> injections = new HashSet<Injection>(appContext.getInjections());
        injections.addAll(new InjectionBuilder(classLoader).buildInjections(webAppInfo.jndiEnc));
        final List<BeanContext> beanContexts;
        if (!appInfo.webAppAlone) {
            // add module bindings in app
            final Assembler assembler = SystemInstance.get().getComponent(Assembler.class);
            beanContexts = assembler.initEjbs(classLoader, appInfo, appContext, injections, new ArrayList<BeanContext>(), webAppInfo.moduleId);
            appContext.getBeanContexts().addAll(beanContexts);
        } else {
            beanContexts = null;
        }
        final Map<String, Object> bindings = new HashMap<>();
        bindings.putAll(appContext.getBindings());
        bindings.putAll(new JndiEncBuilder(webAppInfo.jndiEnc, injections, webAppInfo.moduleId, "Bean", null, webAppInfo.uniqueId, classLoader, appInfo.properties).buildBindings(JndiEncBuilder.JndiScope.comp));
        final WebContext webContext = new WebContext(appContext);
        webContext.setBindings(bindings);
        webContext.getBindings().putAll(new JndiEncBuilder(webAppInfo.jndiEnc, injections, webAppInfo.moduleId, "Bean", null, webAppInfo.uniqueId, classLoader, appInfo.properties).buildBindings(JndiEncBuilder.JndiScope.comp));
        webContext.setJndiEnc(WebInitialContext.create(bindings, appContext.getGlobalJndiContext()));
        webContext.setClassLoader(classLoader);
        webContext.setId(webAppInfo.moduleId);
        webContext.setContextRoot(webAppInfo.contextRoot);
        webContext.setHost(webAppInfo.host);
        webContext.getInjections().addAll(injections);
        webContext.setInitialContext(new EmbeddedInitialContext(webContext.getJndiEnc(), webContext.getBindings()));
        final ServletContext component = SystemInstance.get().getComponent(ServletContext.class);
        final ServletContextEvent sce = component == null ? new MockServletContextEvent() : new ServletContextEvent(new LightServletContext(component, webContext.getClassLoader()));
        servletContextEvents.put(webAppInfo, sce);
        webContext.setServletContext(sce.getServletContext());
        SystemInstance.get().fireEvent(new EmbeddedServletContextCreated(sce.getServletContext()));
        appContext.getWebContexts().add(webContext);
        cs.addWebContext(webContext);
        if (!appInfo.webAppAlone && hasCdi(appInfo)) {
            final Assembler assembler = SystemInstance.get().getComponent(Assembler.class);
            new CdiBuilder().build(appInfo, appContext, beanContexts, webContext);
            assembler.startEjbs(true, beanContexts);
        }
        // listeners
        for (final ListenerInfo listener : webAppInfo.listeners) {
            final Class<?> clazz = webContext.getClassLoader().loadClass(listener.classname);
            final Object instance = webContext.newInstance(clazz);
            if (ServletContextListener.class.isInstance(instance)) {
                switchServletContextIfNeeded(sce.getServletContext(), new Runnable() {

                    @Override
                    public void run() {
                        ((ServletContextListener) instance).contextInitialized(sce);
                    }
                });
            }
            List<Object> list = listeners.get(webAppInfo);
            if (list == null) {
                list = new ArrayList<Object>();
                listeners.put(webAppInfo, list);
            }
            list.add(instance);
        }
        for (final ClassListInfo info : webAppInfo.webAnnotatedClasses) {
            final String url = info.name;
            for (final String filterPath : info.list) {
                final Class<?> clazz = loadFromUrls(webContext.getClassLoader(), url, filterPath);
                final WebListener annotation = clazz.getAnnotation(WebListener.class);
                if (annotation != null) {
                    final Object instance = webContext.newInstance(clazz);
                    if (ServletContextListener.class.isInstance(instance)) {
                        switchServletContextIfNeeded(sce.getServletContext(), new Runnable() {

                            @Override
                            public void run() {
                                ((ServletContextListener) instance).contextInitialized(sce);
                            }
                        });
                    }
                    List<Object> list = listeners.get(webAppInfo);
                    if (list == null) {
                        list = new ArrayList<Object>();
                        listeners.put(webAppInfo, list);
                    }
                    list.add(instance);
                }
            }
        }
        final DeployedWebObjects deployedWebObjects = new DeployedWebObjects();
        deployedWebObjects.webContext = webContext;
        servletDeploymentInfo.put(webAppInfo, deployedWebObjects);
        if (webContext.getWebBeansContext() != null && webContext.getWebBeansContext().getBeanManagerImpl().isInUse()) {
            final Thread thread = Thread.currentThread();
            final ClassLoader old = thread.getContextClassLoader();
            thread.setContextClassLoader(webContext.getClassLoader());
            try {
                OpenEJBLifecycle.class.cast(webContext.getWebBeansContext().getService(ContainerLifecycle.class)).startServletContext(sce.getServletContext());
            } finally {
                thread.setContextClassLoader(old);
            }
        }
        if (addServletMethod == null) {
            // can't manage filter/servlets
            continue;
        }
        // register filters
        for (final FilterInfo info : webAppInfo.filters) {
            switchServletContextIfNeeded(sce.getServletContext(), new Runnable() {

                @Override
                public void run() {
                    for (final String mapping : info.mappings) {
                        final FilterConfig config = new SimpleFilterConfig(sce.getServletContext(), info.name, info.initParams);
                        try {
                            addFilterMethod.invoke(null, info.classname, webContext, mapping, config);
                            deployedWebObjects.filterMappings.add(mapping);
                        } catch (final Exception e) {
                            LOGGER.warning(e.getMessage(), e);
                        }
                    }
                }
            });
        }
        for (final ClassListInfo info : webAppInfo.webAnnotatedClasses) {
            final String url = info.name;
            for (final String filterPath : info.list) {
                final Class<?> clazz = loadFromUrls(webContext.getClassLoader(), url, filterPath);
                final WebFilter annotation = clazz.getAnnotation(WebFilter.class);
                if (annotation != null) {
                    final Properties initParams = new Properties();
                    for (final WebInitParam param : annotation.initParams()) {
                        initParams.put(param.name(), param.value());
                    }
                    final FilterConfig config = new SimpleFilterConfig(sce.getServletContext(), info.name, initParams);
                    for (final String[] mappings : asList(annotation.urlPatterns(), annotation.value())) {
                        switchServletContextIfNeeded(sce.getServletContext(), new Runnable() {

                            @Override
                            public void run() {
                                for (final String mapping : mappings) {
                                    try {
                                        addFilterMethod.invoke(null, clazz.getName(), webContext, mapping, config);
                                        deployedWebObjects.filterMappings.add(mapping);
                                    } catch (final Exception e) {
                                        LOGGER.warning(e.getMessage(), e);
                                    }
                                }
                            }
                        });
                    }
                }
            }
        }
        final Map<String, PortInfo> ports = new TreeMap<String, PortInfo>();
        for (final PortInfo port : webAppInfo.portInfos) {
            ports.put(port.serviceLink, port);
        }
        // register servlets
        for (final ServletInfo info : webAppInfo.servlets) {
            if ("true".equalsIgnoreCase(appInfo.properties.getProperty("openejb.jaxrs.on", "true"))) {
                // skip jaxrs servlets
                boolean skip = false;
                for (final ParamValueInfo pvi : info.initParams) {
                    if ("javax.ws.rs.Application".equals(pvi.name) || Application.class.getName().equals(pvi.name)) {
                        skip = true;
                    }
                }
                if (skip) {
                    continue;
                }
                if (info.servletClass == null) {
                    try {
                        if (Application.class.isAssignableFrom(classLoader.loadClass(info.servletName))) {
                            continue;
                        }
                    } catch (final Exception e) {
                    // no-op
                    }
                }
            }
            // If POJO web services, it will be overriden with WsServlet
            if (ports.containsKey(info.servletName) || ports.containsKey(info.servletClass)) {
                continue;
            }
            // deploy
            for (final String mapping : info.mappings) {
                switchServletContextIfNeeded(sce.getServletContext(), new Runnable() {

                    @Override
                    public void run() {
                        try {
                            addServletMethod.invoke(null, info.servletClass, webContext, mapping);
                            deployedWebObjects.mappings.add(mapping);
                        } catch (final Exception e) {
                            LOGGER.warning(e.getMessage(), e);
                        }
                    }
                });
            }
        }
        for (final ClassListInfo info : webAppInfo.webAnnotatedClasses) {
            final String url = info.name;
            for (final String servletPath : info.list) {
                final Class<?> clazz = loadFromUrls(webContext.getClassLoader(), url, servletPath);
                final WebServlet annotation = clazz.getAnnotation(WebServlet.class);
                if (annotation != null) {
                    for (final String[] mappings : asList(annotation.urlPatterns(), annotation.value())) {
                        switchServletContextIfNeeded(sce.getServletContext(), new Runnable() {

                            @Override
                            public void run() {
                                for (final String mapping : mappings) {
                                    try {
                                        addServletMethod.invoke(null, clazz.getName(), webContext, mapping);
                                        deployedWebObjects.mappings.add(mapping);
                                    } catch (final Exception e) {
                                        LOGGER.warning(e.getMessage(), e);
                                    }
                                }
                            }
                        });
                    }
                }
            }
        }
        if (addDefaults != null && tryJsp()) {
            addDefaults.invoke(null, webContext);
            deployedWebObjects.mappings.add("*\\.jsp");
        }
    }
}