1 /* 2 * Copyright (c) 2007, Fraunhofer-Gesellschaft 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * (1) Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the disclaimer at the end. 11 * Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * (2) Neither the name of Fraunhofer nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * DISCLAIMER 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 25 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 26 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 28 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 32 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 */ 35 package org.ogf.graap.wsag.wsrf.bootstrap; 36 37 import org.apache.muse.ws.addressing.MessageHeaders; 38 39 /** 40 * WSAG4JContextRegistry 41 * 42 * @author Oliver Waeldrich 43 * 44 */ 45 public class BootstrapRegistry 46 { 47 48 private static ThreadLocal<MessageHeaders> tlContext = null; 49 50 /** 51 * This method cleans up the {@link ThreadLocal} in order to prevent memory leaks. It is invoked by the 52 * {@link WSAG4JContextListener} when the web application context is destroyed on server shutdown. 53 * 54 * @see WSAG4JContextListener#contextDestroyed(javax.servlet.ServletContextEvent) 55 */ 56 public static synchronized void finalizeBootstrapRegistry() 57 { 58 // 59 // prevent memory leak 60 // 61 if ( tlContext != null ) 62 { 63 tlContext.set( null ); 64 tlContext = null; 65 } 66 } 67 68 private static synchronized ThreadLocal<MessageHeaders> getContext() 69 { 70 if ( tlContext == null ) 71 { 72 tlContext = new ThreadLocal<MessageHeaders>(); 73 } 74 return tlContext; 75 } 76 77 /** 78 * Returns the addressing context for the current invocation. 79 * 80 * @return the addressing context 81 */ 82 public static MessageHeaders getAddressingContext() 83 { 84 return getContext().get(); 85 } 86 87 /** 88 * Registers the addressing context for the current invocation. 89 * 90 * @param context 91 * the addressing context 92 */ 93 public static void registerAddressingContext( MessageHeaders context ) 94 { 95 getContext().set( context ); 96 } 97 }