Examples with MultipleClassLoader org.apache.openejb.util.classloader.MultipleClassLoader used on opensource projects

Example 1 with MultipleClassLoader

use of org.apache.openejb.util.classloader.MultipleClassLoader in project tomee by apache.

the class ThreadSingletonServiceImpl method initialize.

@Override
public void initialize(final StartupObject startupObject) {
    if (lazyInit == null) {
        // done here cause Cdibuilder trigger this class loading and that's from Warmup so we can't init too early config
        synchronized (this) {
            if (lazyInit == null) {
                lazyInit = new Object();
                cachedApplicationScoped = "true".equalsIgnoreCase(SystemInstance.get().getProperty("openejb.cdi.applicationScope.cached", "true").trim());
                cachedRequestScoped = "true".equalsIgnoreCase(SystemInstance.get().getProperty("openejb.cdi.requestScope.cached", "true").trim());
                cachedSessionScoped = "true".equalsIgnoreCase(SystemInstance.get().getProperty("openejb.cdi.sessionScope.cached", "true").trim());
            }
        }
    }
    final AppContext appContext = startupObject.getAppContext();
    appContext.setCdiEnabled(hasBeans(startupObject.getAppInfo()));
    //initialize owb context, cf geronimo's OpenWebBeansGBean
    final Properties properties = new Properties();
    properties.setProperty(OpenWebBeansConfiguration.APPLICATION_IS_JSP, "true");
    properties.setProperty(OpenWebBeansConfiguration.USE_EJB_DISCOVERY, "true");
    //from CDI builder
    properties.setProperty(OpenWebBeansConfiguration.INTERCEPTOR_FORCE_NO_CHECKED_EXCEPTIONS, "false");
    properties.setProperty(SecurityService.class.getName(), ManagedSecurityService.class.getName());
    properties.setProperty(OpenWebBeansConfiguration.CONVERSATION_PERIODIC_DELAY, "1800000");
    properties.setProperty(OpenWebBeansConfiguration.APPLICATION_SUPPORTS_CONVERSATION, "true");
    properties.setProperty(OpenWebBeansConfiguration.IGNORED_INTERFACES, "org.apache.aries.proxy.weaving.WovenProxy");
    final boolean tomee = SystemInstance.get().getProperty("openejb.loader", "foo").startsWith("tomcat");
    final String defaultNormalScopeHandlerClass = NormalScopedBeanInterceptorHandler.class.getName();
    properties.setProperty("org.apache.webbeans.proxy.mapping.javax.enterprise.context.ApplicationScoped", cachedApplicationScoped ? ApplicationScopedBeanInterceptorHandler.class.getName() : defaultNormalScopeHandlerClass);
    properties.setProperty("org.apache.webbeans.proxy.mapping.javax.enterprise.context.RequestScoped", tomee && cachedRequestScoped ? RequestScopedBeanInterceptorHandler.class.getName() : defaultNormalScopeHandlerClass);
    properties.setProperty("org.apache.webbeans.proxy.mapping.javax.enterprise.context.SessionScoped", tomee && cachedSessionScoped ? SessionScopedBeanInterceptorHandler.class.getName() : defaultNormalScopeHandlerClass);
    properties.put(OpenWebBeansConfiguration.PRODUCER_INTERCEPTION_SUPPORT, SystemInstance.get().getProperty("openejb.cdi.producer.interception", "true"));
    properties.putAll(appContext.getProperties());
    // services needing WBC as constructor param
    properties.put(ContextsService.class.getName(), CdiAppContextsService.class.getName());
    properties.put(ResourceInjectionService.class.getName(), CdiResourceInjectionService.class.getName());
    properties.put(TransactionService.class.getName(), OpenEJBTransactionService.class.getName());
    // NOTE: ensure user can extend/override all the services = set it only if not present in properties, see WebBeansContext#getService()
    final Map<Class<?>, Object> services = new HashMap<>();
    services.put(AppContext.class, appContext);
    if (!properties.containsKey(ApplicationBoundaryService.class.getName())) {
        services.put(ApplicationBoundaryService.class, new DefaultApplicationBoundaryService());
    }
    if (!properties.containsKey(ScannerService.class.getName())) {
        services.put(ScannerService.class, new CdiScanner());
    }
    if (!properties.containsKey(JNDIService.class.getName())) {
        services.put(JNDIService.class, new OpenEJBJndiService());
    }
    if (!properties.containsKey(BeanArchiveService.class.getName())) {
        services.put(BeanArchiveService.class, new OpenEJBBeanInfoService());
    }
    if (!properties.containsKey(ELAdaptor.class.getName())) {
        try {
            services.put(ELAdaptor.class, new CustomELAdapter(appContext));
        } catch (final NoClassDefFoundError noClassDefFoundError) {
        // no-op: no javax.el
        }
    }
    if (!properties.containsKey(LoaderService.class.getName())) {
        final LoaderService loaderService = SystemInstance.get().getComponent(LoaderService.class);
        if (loaderService == null && !properties.containsKey(LoaderService.class.getName())) {
            services.put(LoaderService.class, new OptimizedLoaderService(appContext.getProperties()));
        } else if (loaderService != null) {
            services.put(LoaderService.class, loaderService);
        }
    }
    final ClassLoader oldClassLoader = Thread.currentThread().getContextClassLoader();
    final ClassLoader cl;
    if (oldClassLoader != ThreadSingletonServiceImpl.class.getClassLoader() && ThreadSingletonServiceImpl.class.getClassLoader() != oldClassLoader.getParent()) {
        cl = new MultipleClassLoader(oldClassLoader, ThreadSingletonServiceImpl.class.getClassLoader());
    } else {
        cl = oldClassLoader;
    }
    Thread.currentThread().setContextClassLoader(cl);
    final WebBeansContext webBeansContext;
    Object old = null;
    try {
        if (startupObject.getWebContext() == null) {
            webBeansContext = new WebBeansContext(services, properties);
            appContext.set(WebBeansContext.class, webBeansContext);
        } else {
            webBeansContext = new WebappWebBeansContext(services, properties, appContext.getWebBeansContext());
            startupObject.getWebContext().setWebbeansContext(webBeansContext);
        }
        // we want the same reference as the ContextsService if that's our impl
        if (webBeansContext.getOpenWebBeansConfiguration().supportsConversation() && "org.apache.webbeans.jsf.DefaultConversationService".equals(webBeansContext.getOpenWebBeansConfiguration().getProperty(ConversationService.class.getName()))) {
            webBeansContext.registerService(ConversationService.class, ConversationService.class.cast(webBeansContext.getService(ContextsService.class)));
        }
        final BeanManagerImpl beanManagerImpl = webBeansContext.getBeanManagerImpl();
        beanManagerImpl.addContext(new TransactionContext());
        webBeansContext.getInterceptorsManager().addInterceptorBindingType(Transactional.class);
        SystemInstance.get().fireEvent(new WebBeansContextCreated(webBeansContext));
        old = contextEntered(webBeansContext);
        setConfiguration(webBeansContext.getOpenWebBeansConfiguration());
        try {
            webBeansContext.getService(ContainerLifecycle.class).startApplication(startupObject);
        } catch (final Exception e) {
            throw new DeploymentException("couldn't start owb context", e);
        }
    } finally {
        contextExited(old);
        Thread.currentThread().setContextClassLoader(oldClassLoader);
    }
}