001 /** 002 * 003 * Copyright 2005 LogicBlaze, Inc. 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 **/ 018 package org.logicblaze.lingo.jms.impl; 019 020 import org.logicblaze.lingo.jms.ReplyHandler; 021 import org.logicblaze.lingo.jms.marshall.Marshaller; 022 import org.apache.commons.logging.Log; 023 import org.apache.commons.logging.LogFactory; 024 import org.springframework.remoting.support.RemoteInvocation; 025 import org.springframework.remoting.support.RemoteInvocationBasedExporter; 026 027 import javax.jms.JMSException; 028 import javax.jms.Message; 029 import java.lang.reflect.InvocationTargetException; 030 031 /** 032 * @version $Revision: 1.1 $ 033 */ 034 public class AsyncReplyHandler extends RemoteInvocationBasedExporter implements ReplyHandler { 035 private static final Log log = LogFactory.getLog(AsyncReplyHandler.class); 036 037 private Object pojo; 038 private Marshaller marshaller; 039 040 public AsyncReplyHandler(Object pojo, Marshaller marshaller) { 041 this.pojo = pojo; 042 this.marshaller = marshaller; 043 } 044 045 public boolean handle(Message message) throws JMSException { 046 RemoteInvocation invocation = marshaller.readRemoteInvocation(message); 047 try { 048 invoke(invocation, pojo); 049 } 050 catch (NoSuchMethodException e) { 051 onException(invocation, e); 052 } 053 catch (IllegalAccessException e) { 054 onException(invocation, e); 055 } 056 catch (InvocationTargetException e) { 057 onException(invocation, e); 058 } 059 return false; 060 } 061 062 063 protected void onException(RemoteInvocation invocation, Exception e) { 064 log.error("Failed to invoke: " + invocation + " on: " + pojo + ". Reason: " + e, e); 065 } 066 }