| /* |
| * 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.tobago.webapp; |
| |
| import org.apache.myfaces.tobago.config.TobagoConfig; |
| import org.apache.myfaces.tobago.internal.config.ContentSecurityPolicy; |
| import org.apache.myfaces.tobago.internal.config.TobagoConfigBuilder; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.ServletContextEvent; |
| import javax.servlet.ServletContextListener; |
| import java.lang.invoke.MethodHandles; |
| |
| public class TobagoServletContextListener implements ServletContextListener { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| @Override |
| public void contextInitialized(final ServletContextEvent event) { |
| |
| if (LOG.isInfoEnabled()) { |
| LOG.info("*** contextInitialized ***"); |
| } |
| |
| final ServletContext servletContext = event.getServletContext(); |
| |
| if (servletContext.getAttribute(TobagoConfig.TOBAGO_CONFIG) != null) { |
| LOG.warn("Tobago has been already initialized. Do nothing."); |
| } else { |
| TobagoConfigBuilder.init(servletContext); |
| } |
| |
| if (LOG.isInfoEnabled()) { |
| final TobagoConfig tobagoConfig = TobagoConfig.getInstance(servletContext); |
| LOG.info("TobagoConfig: " + tobagoConfig); |
| |
| final ContentSecurityPolicy.Mode mode = tobagoConfig.getContentSecurityPolicy().getMode(); |
| final StringBuilder builder = new StringBuilder(); |
| builder.append("\n*************************************************************************************"); |
| builder.append("\nNote: CSP is "); |
| builder.append(mode); |
| if (mode == ContentSecurityPolicy.Mode.ON) { |
| builder.append("\nYou may need to check application specific JavaScript code."); |
| builder.append("\nOtherwise the application will not run in modern browsers, that are supporting CSP."); |
| builder.append("\nFor more information see http://myfaces.apache.org/tobago/migration-2.0.html"); |
| } |
| builder.append("\n*************************************************************************************"); |
| final String note = builder.toString(); |
| LOG.info(note); |
| } |
| } |
| |
| @Override |
| public void contextDestroyed(final ServletContextEvent event) { |
| if (LOG.isInfoEnabled()) { |
| LOG.info("*** contextDestroyed ***\n--- snip ---------" |
| + "--------------------------------------------------------------"); |
| } |
| |
| final ServletContext servletContext = event.getServletContext(); |
| |
| servletContext.removeAttribute(TobagoConfig.TOBAGO_CONFIG); |
| } |
| |
| } |