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.bpmscript.integration.internal.memory; import org.bpmscript.integration.internal.IInternalMessage; import org.bpmscript.integration.internal.IInvocationMessage; import org.bpmscript.integration.internal.IMessageSender; import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; /** * Sends messages to a message bus looked up by bean name */ public class SpringMessageSender implements IMessageSender, ApplicationContextAware { private final transient org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory .getLog(getClass()); private ApplicationContext applicationContext; /** * @see org.bpmscript.integration.internal.IMessageSender#send(java.lang.String, org.bpmscript.integration.internal.IInternalMessage) */ public void send(String address, IInternalMessage internalMessage) { int indexOfColon = address.indexOf(":"); if (indexOfColon > 0) { String beanName = address.substring(0, indexOfColon); IMessageSender bus = (IMessageSender) applicationContext.getBean(beanName); String localaddress = address.substring(indexOfColon + 1); if (internalMessage instanceof IInvocationMessage) { IInvocationMessage invocationMessage = (IInvocationMessage) internalMessage; bus.send(localaddress, invocationMessage); } else { bus.send(localaddress, internalMessage); } } else { log.warn("could not send message " + internalMessage + " to address " + address); } } /** * @see org.springframework.context.ApplicationContextAware#setApplicationContext(org.springframework.context.ApplicationContext) */ public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { this.applicationContext = applicationContext; } }