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.handler; 36 37 import org.apache.muse.core.platform.axis2.AxisEnvironment; 38 import org.apache.muse.core.platform.axis2.AxisIsolationLayer; 39 import org.ogf.graap.wsag.wsrf.bootstrap.WSAG4JAxisEnvironment; 40 41 /** 42 * MuseMessageHandler 43 * 44 * This message handler is invoked by AXIS for each WSAG4J call. The message is then forwarded and processed 45 * by the WSRF layer. On first invocation of the handler, the 46 * {@link org.ogf.graap.wsag.wsrf.bootstrap.BootstrapEnvironment} is replaced by the real 47 * {@link AxisEnvironment}. 48 * 49 * @author Oliver Waeldrich 50 * 51 */ 52 public class MuseMessageHandler extends AxisIsolationLayer 53 { 54 55 private static boolean isInitialized = false; 56 57 /** 58 * default constructor 59 */ 60 public MuseMessageHandler() 61 { 62 synchronized ( MuseMessageHandler.class ) 63 { 64 // The Muse resource router expects an AxisEnvironment 65 // in order to handle Axis2 requests. Since the resource 66 // router was initialized using the WSAG4J bootstrap 67 // environment, we must update the environment on the 68 // first invocation. 69 if ( !isInitialized ) 70 { 71 // After updating the router context, the resource router 72 // and the resources that are already initialized have 73 // different environments. This results in inconsistencies 74 // when storing and retrieving the addressing context. 75 // BootstrapEnvironment and WSAG4JAxisEnvironment use a 76 // singleton to store and resolve the AddressingContext 77 // which solves this problems. 78 AxisEnvironment env = new WSAG4JAxisEnvironment(); 79 getRouter().setEnvironment( env ); 80 81 isInitialized = true; 82 } 83 } 84 } 85 86 }