Java tutorial
/* * 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.axis2.transport.jms; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.PrintWriter; import java.util.Enumeration; import javax.jms.BytesMessage; import javax.jms.Message; import javax.jms.TextMessage; import org.apache.axis2.transport.jms.iowrappers.BytesMessageInputStream; import org.apache.axis2.transport.testkit.util.LogManager; import org.apache.commons.io.IOUtils; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.aspectj.lang.annotation.Aspect; import org.aspectj.lang.annotation.Before; @Aspect public class LogAspect { private static final Log log = LogFactory.getLog(LogAspect.class); @Before("(call(void javax.jms.MessageProducer.send(javax.jms.Message)) ||" + " call(void javax.jms.TopicPublisher.publish(javax.jms.Message))) && args(message)") public void beforeSend(Message message) { try { OutputStream out = LogManager.INSTANCE.createLog("jms"); try { PrintWriter pw = new PrintWriter(new OutputStreamWriter(out), false); pw.println("Type: " + message.getClass().getName()); pw.println("JMS message ID: " + message.getJMSMessageID()); pw.println("JMS correlation ID: " + message.getJMSCorrelationID()); pw.println("JMS reply to: " + message.getJMSReplyTo()); for (Enumeration<?> e = message.getPropertyNames(); e.hasMoreElements();) { String name = (String) e.nextElement(); pw.print(name); pw.print(": "); pw.println(message.getStringProperty(name)); } pw.println(); pw.flush(); if (message instanceof BytesMessage) { BytesMessage bytesMessage = (BytesMessage) message; bytesMessage.reset(); IOUtils.copy(new BytesMessageInputStream(bytesMessage), out); } else if (message instanceof TextMessage) { pw.print(((TextMessage) message).getText()); pw.flush(); } } finally { out.close(); } } catch (Throwable ex) { log.error("Failed to dump JMS message", ex); } } }