001 /* 002 * JBoss DNA (http://www.jboss.org/dna) 003 * See the COPYRIGHT.txt file distributed with this work for information 004 * regarding copyright ownership. Some portions may be licensed 005 * to Red Hat, Inc. under one or more contributor license agreements. 006 * See the AUTHORS.txt file in the distribution for a full listing of 007 * individual contributors. 008 * 009 * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA 010 * is licensed to you under the terms of the GNU Lesser General Public License as 011 * published by the Free Software Foundation; either version 2.1 of 012 * the License, or (at your option) any later version. 013 * 014 * JBoss DNA is distributed in the hope that it will be useful, 015 * but WITHOUT ANY WARRANTY; without even the implied warranty of 016 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 017 * Lesser General Public License for more details. 018 * 019 * You should have received a copy of the GNU Lesser General Public 020 * License along with this software; if not, write to the Free 021 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 022 * 02110-1301 USA, or see the FSF site: http://www.fsf.org. 023 */ 024 package org.jboss.dna.web.jcr.rest; 025 026 import javax.servlet.ServletContextEvent; 027 import javax.servlet.ServletContextListener; 028 import org.jboss.dna.web.jcr.rest.spi.RepositoryProvider; 029 import net.jcip.annotations.NotThreadSafe; 030 031 032 /** 033 * Servlet context listener that is responsible for {@link RepositoryFactory#initialize(javax.servlet.ServletContext) initializing} 034 * the {@link RepositoryFactory repository factory}. 035 * <p> 036 * This class is not thread safe, but in practice this does not matter as the servlet container must ensure that only 037 * a single instance of this exists per web context and that it is only called in a single-threaded manner. 038 * </p> 039 * @see RepositoryFactory 040 */ 041 @NotThreadSafe 042 public class DnaJcrDeployer implements ServletContextListener { 043 044 /** 045 * Alerts the repository factory that the web application is shutting down 046 * @see RepositoryFactory#shutdown() 047 * @see RepositoryProvider#shutdown() 048 */ 049 public void contextDestroyed( ServletContextEvent event ) { 050 RepositoryFactory.shutdown(); 051 } 052 053 /** 054 * Initializes the repository factory 055 * @see RepositoryFactory#initialize(javax.servlet.ServletContext) 056 */ 057 public void contextInitialized( ServletContextEvent event ) { 058 RepositoryFactory.initialize(event.getServletContext()); 059 } 060 }