| /* |
| * 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.myfaces.webapp; |
| |
| import jakarta.faces.context.ExceptionHandler; |
| import jakarta.faces.context.ExternalContext; |
| import jakarta.faces.context.FacesContext; |
| import jakarta.servlet.ServletContext; |
| import jakarta.servlet.http.HttpSessionEvent; |
| import jakarta.servlet.http.HttpSessionListener; |
| import org.apache.myfaces.cdi.clientwindow.ClientWindowScopeContext; |
| import org.apache.myfaces.cdi.view.ViewScopeContext; |
| import org.apache.myfaces.context.ExceptionHandlerImpl; |
| import org.apache.myfaces.context.servlet.StartupFacesContextImpl; |
| import org.apache.myfaces.context.servlet.StartupServletExternalContextImpl; |
| import org.apache.myfaces.flow.cdi.FlowScopeContext; |
| |
| public class MyFacesHttpSessionListener implements HttpSessionListener |
| { |
| public static final String APPLICATION_MAP_KEY = MyFacesHttpSessionListener.class.getName(); |
| |
| @Override |
| public void sessionCreated(HttpSessionEvent event) |
| { |
| } |
| |
| @Override |
| public void sessionDestroyed(HttpSessionEvent event) |
| { |
| // If we don't propagate this event, CDI will do for us but outside JSF control |
| // so when @PreDestroy methods are called there will not be an active FacesContext. |
| // The trick here is ensure clean the affected scopes to avoid duplicates. |
| // Remember cdi session scope is different from jsf session scope, because in |
| // jsf case the beans are stored under a session attribute, so it has the problem |
| // with attributeRemoved, but on cdi a wrapper is used instead, avoiding the problem. |
| FacesContext facesContext = FacesContext.getCurrentInstance(); |
| if (facesContext != null) |
| { |
| FlowScopeContext.destroyAll(facesContext); |
| ViewScopeContext.destroyAll(facesContext); |
| ClientWindowScopeContext.destroyAll(facesContext); |
| } |
| else |
| { |
| // In case no FacesContext is available, we are on session invalidation |
| // through timeout. In that case, create a dummy FacesContext for this one |
| // like the one used in startup or shutdown and invoke the destroy method. |
| try |
| { |
| ServletContext servletContext = event.getSession().getServletContext(); |
| ExternalContext externalContext = new StartupServletExternalContextImpl(servletContext, false); |
| ExceptionHandler exceptionHandler = new ExceptionHandlerImpl(); |
| facesContext = new StartupFacesContextImpl(externalContext, externalContext, exceptionHandler, false); |
| |
| FlowScopeContext.destroyAll(facesContext); |
| ViewScopeContext.destroyAll(facesContext); |
| ClientWindowScopeContext.destroyAll(facesContext); |
| } |
| finally |
| { |
| if (facesContext != null) |
| { |
| facesContext.release(); |
| } |
| } |
| } |
| } |
| } |