| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.webbeans.web.lifecycle; |
| |
| import org.apache.webbeans.annotation.InitializedLiteral; |
| import org.apache.webbeans.config.OWBLogConst; |
| import org.apache.webbeans.config.WebBeansContext; |
| import org.apache.webbeans.el.ELContextStore; |
| import org.apache.webbeans.exception.WebBeansException; |
| import org.apache.webbeans.lifecycle.AbstractLifeCycle; |
| import org.apache.webbeans.logger.WebBeansLoggerFacade; |
| import org.apache.webbeans.spi.ResourceInjectionService; |
| import org.apache.webbeans.spi.adaptor.ELAdaptor; |
| import org.apache.webbeans.web.util.ServletCompatibilityUtil; |
| |
| import javax.enterprise.context.ApplicationScoped; |
| import javax.enterprise.context.ConversationScoped; |
| import javax.enterprise.context.RequestScoped; |
| import javax.enterprise.context.SessionScoped; |
| import javax.enterprise.inject.spi.BeanManager; |
| import javax.inject.Singleton; |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletContextEvent; |
| import javax.servlet.jsp.JspApplicationContext; |
| import javax.servlet.jsp.JspFactory; |
| import java.util.logging.Level; |
| |
| /** |
| * Manages container lifecycle. |
| * |
| * <p> |
| * Behaves according to the request, session, and application |
| * contexts of the web application. |
| * </p> |
| * |
| * @version $Rev: 911764 $ $Date: 2010-02-19 11:52:54 +0200 (Fri, 19 Feb 2010) $ |
| * @see org.apache.webbeans.servlet.WebBeansConfigurationListener |
| */ |
| public final class WebContainerLifecycle extends AbstractLifeCycle |
| { |
| |
| /** |
| * Creates a new lifecycle instance and initializes |
| * the instance variables. |
| */ |
| public WebContainerLifecycle() |
| { |
| super(null); |
| this.logger = WebBeansLoggerFacade.getLogger(WebContainerLifecycle.class); |
| } |
| |
| /** |
| * Creates a new lifecycle instance and initializes |
| * the instance variables. |
| */ |
| public WebContainerLifecycle(WebBeansContext webBeansContext) |
| { |
| super(null, webBeansContext); |
| this.logger = WebBeansLoggerFacade.getLogger(WebContainerLifecycle.class); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void startApplication(Object startupObject) |
| { |
| ServletContext servletContext = getServletContext(startupObject); |
| super.startApplication(servletContext); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void stopApplication(Object endObject) |
| { |
| ServletContext servletContext = getServletContext(endObject); |
| super.stopApplication(servletContext); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void afterStartApplication(final Object startupObject) |
| { |
| //Application is configured as JSP |
| if(getWebBeansContext().getOpenWebBeansConfiguration().isJspApplication()) |
| { |
| ELAdaptor elAdaptor = getWebBeansContext().getService(ELAdaptor.class); |
| |
| logger.log(Level.FINE, "Application is configured as JSP. Adding EL Resolver."); |
| |
| setJspELFactory((ServletContext) startupObject, elAdaptor.getOwbELResolver()); |
| } |
| |
| ServletContext servletContext = null; |
| if (startupObject instanceof ServletContext) |
| { |
| servletContext = (ServletContext)(startupObject); |
| |
| // Add BeanManager to the 'javax.enterprise.inject.spi.BeanManager' servlet context attribute |
| servletContext.setAttribute(BeanManager.class.getName(), getBeanManager()); |
| } |
| |
| // fire @Initialized(ApplicationScoped.class) if any observer for it exists |
| if (webBeansContext.getBeanManagerImpl().getNotificationManager(). |
| hasContextLifecycleObserver(InitializedLiteral.INSTANCE_APPLICATION_SCOPED)) |
| { |
| // we need to temporarily start the ReqeustContext |
| webBeansContext.getContextsService().startContext(RequestScoped.class, null); |
| |
| webBeansContext.getBeanManagerImpl().fireEvent( |
| servletContext != null ? servletContext : new Object(), InitializedLiteral.INSTANCE_APPLICATION_SCOPED); |
| |
| // shut down the RequestContext again |
| webBeansContext.getContextsService().endContext(RequestScoped.class, null); |
| } |
| } |
| |
| @Override |
| protected void beforeStartApplication(Object startupObject) |
| { |
| this.scannerService.init(startupObject); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void beforeStopApplication(Object stopObject) |
| { |
| webBeansContext.getContextsService().endContext(RequestScoped.class, null); |
| webBeansContext.getContextsService().endContext(ConversationScoped.class, null); |
| webBeansContext.getContextsService().endContext(SessionScoped.class, null); |
| webBeansContext.getContextsService().endContext(ApplicationScoped.class, null); |
| webBeansContext.getContextsService().endContext(Singleton.class, null); |
| |
| // clean up the EL caches after each request |
| ELContextStore elStore = ELContextStore.getInstance(false); |
| if (elStore != null) |
| { |
| elStore.destroyELContextStore(); |
| } |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| protected void afterStopApplication(Object stopObject) |
| { |
| ServletContext servletContext; |
| |
| if(stopObject instanceof ServletContext) |
| { |
| servletContext = (ServletContext)stopObject; |
| } |
| else |
| { |
| servletContext = getServletContext(stopObject); |
| } |
| |
| //Clear the resource injection service |
| ResourceInjectionService injectionServices = getWebBeansContext().getService(ResourceInjectionService.class); |
| if(injectionServices != null) |
| { |
| injectionServices.clear(); |
| } |
| |
| //Comment out for commit OWB-502 |
| //ContextFactory.cleanUpContextFactory(); |
| |
| this.cleanupShutdownThreadLocals(); |
| |
| if (logger.isLoggable(Level.INFO)) |
| { |
| logger.log(Level.INFO, OWBLogConst.INFO_0002, ServletCompatibilityUtil.getServletInfo(servletContext)); |
| } |
| } |
| |
| /** |
| * Ensures that all ThreadLocals, which could have been set in this |
| * (shutdown-) Thread, are removed in order to prevent memory leaks. |
| */ |
| private void cleanupShutdownThreadLocals() |
| { |
| contextsService.removeThreadLocals(); |
| } |
| |
| /** |
| * Returns servelt context otherwise throws exception. |
| * @param object object |
| * @return servlet context |
| */ |
| private ServletContext getServletContext(Object object) |
| { |
| if(object != null) |
| { |
| if(object instanceof ServletContextEvent) |
| { |
| object = ((ServletContextEvent) object).getServletContext(); |
| return (ServletContext)object; |
| } |
| else |
| { |
| throw new WebBeansException(WebBeansLoggerFacade.getTokenString(OWBLogConst.EXCEPT_0018)); |
| } |
| } |
| |
| throw new IllegalArgumentException("ServletContextEvent object but found null"); |
| } |
| |
| protected void setJspELFactory(ServletContext startupObject, Object resolver) |
| { |
| JspFactory factory = JspFactory.getDefaultFactory(); |
| if (factory == null) |
| { |
| try |
| { |
| try |
| { // no need of using the tccl since in OSGi it is init elsewhere and using container shortcut can just make it faster |
| Class.forName("org.apache.jasper.servlet.JasperInitializer", true, WebContainerLifecycle.class.getClassLoader()); |
| } |
| catch (final Throwable th) |
| { |
| Class.forName("org.apache.jasper.compiler.JspRuntimeContext", true, WebContainerLifecycle.class.getClassLoader()); |
| } |
| factory = JspFactory.getDefaultFactory(); |
| } |
| catch (final Exception e) |
| { |
| // ignore |
| } |
| |
| } |
| |
| if (factory != null) |
| { |
| JspApplicationContext applicationCtx = factory.getJspApplicationContext(startupObject); |
| applicationCtx.addELResolver(javax.el.ELResolver.class.cast(resolver)); |
| } |
| else |
| { |
| logger.log(Level.FINE, "Default JSPFactroy instance has not found"); |
| } |
| } |
| |
| } |