001 package org.apache.myfaces.tobago.webapp; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one or more 005 * contributor license agreements. See the NOTICE file distributed with 006 * this work for additional information regarding copyright ownership. 007 * The ASF licenses this file to You under the Apache License, Version 2.0 008 * (the "License"); you may not use this file except in compliance with 009 * the License. You may obtain a copy of the License at 010 * 011 * http://www.apache.org/licenses/LICENSE-2.0 012 * 013 * Unless required by applicable law or agreed to in writing, software 014 * distributed under the License is distributed on an "AS IS" BASIS, 015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 016 * See the License for the specific language governing permissions and 017 * limitations under the License. 018 */ 019 020 import org.apache.commons.logging.Log; 021 import org.apache.commons.logging.LogFactory; 022 import org.apache.myfaces.tobago.config.ThemeConfig; 023 import org.apache.myfaces.tobago.config.TobagoConfig; 024 import org.apache.myfaces.tobago.config.TobagoConfigParser; 025 import org.apache.myfaces.tobago.context.ResourceManagerFactory; 026 027 import javax.servlet.ServletContext; 028 import javax.servlet.ServletContextEvent; 029 import javax.servlet.ServletContextListener; 030 import java.util.HashMap; 031 032 public class TobagoServletContextListener implements ServletContextListener { 033 034 private static final Log LOG 035 = LogFactory.getLog(TobagoServletContextListener.class); 036 037 public void contextInitialized(ServletContextEvent event) { 038 039 if (LOG.isInfoEnabled()) { 040 LOG.info("*** contextInitialized ***"); 041 } 042 043 ServletContext servletContext = event.getServletContext(); 044 045 if (servletContext.getAttribute(TobagoConfig.TOBAGO_CONFIG) != null) { 046 LOG.warn("Tobago has been already initialized. Do nothing."); 047 return; 048 } 049 050 try { 051 052 // tobago-config.xml 053 TobagoConfig tobagoConfig 054 = new TobagoConfigParser().parse(servletContext); 055 servletContext.setAttribute(TobagoConfig.TOBAGO_CONFIG, tobagoConfig); 056 057 // todo: cleanup, use one central TobagoConfig, no singleton ResourceManager 058 // resources 059 ResourceManagerFactory.init(servletContext, tobagoConfig); 060 061 // prepare themes 062 tobagoConfig.resolveThemes(); 063 064 // theme config cache 065 servletContext.setAttribute(ThemeConfig.THEME_CONFIG_CACHE, new HashMap()); 066 067 } catch (Throwable e) { 068 if (LOG.isFatalEnabled()) { 069 String error = "Error while deploy process. Tobago can't be initialized! " 070 + "Application will not run!"; 071 LOG.fatal(error, e); 072 throw new RuntimeException(error, e); 073 } 074 } 075 } 076 077 public void contextDestroyed(ServletContextEvent event) { 078 if (LOG.isInfoEnabled()) { 079 LOG.info("*** contextDestroyed ***\n--- snip ---------" 080 + "--------------------------------------------------------------"); 081 } 082 083 ServletContext servletContext = event.getServletContext(); 084 085 servletContext.removeAttribute(TobagoConfig.TOBAGO_CONFIG); 086 ResourceManagerFactory.release(servletContext); 087 servletContext.removeAttribute(ThemeConfig.THEME_CONFIG_CACHE); 088 089 LogFactory.releaseAll(); 090 // LogManager.shutdown(); 091 } 092 093 }