Java tutorial
/* * Copyright 2002-2011 the original author or authors. * * Licensed 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 com.apress.prospringintegration.messageflow.workflow; import org.apache.commons.lang.builder.ToStringBuilder; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.beans.factory.annotation.Value; import org.springframework.integration.Message; import org.springframework.integration.support.MessageBuilder; import org.springframework.stereotype.Component; @Component public class LoggingServiceActivator { @Value("${logging-delay}") private long delay; private Log log = LogFactory.getLog(getClass()); public Message<?> log(Message<?> msg) throws Exception { log.debug("==========================================="); for (String m : msg.getHeaders().keySet()) log.debug(String.format("%s = %s", m, msg.getHeaders().get(m))); log.debug(ToStringBuilder.reflectionToString(msg)); log.debug("about to wait for " + this.delay + " ms"); Thread.sleep(this.delay); log.debug("finished waiting. Returning"); return MessageBuilder.withPayload("All clear!").copyHeadersIfAbsent(msg.getHeaders()).build(); } }