/**
*
* Copyright 2005 LogicBlaze, Inc.
*
* 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 org.logicblaze.lingo.jms;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.jms.core.JmsTemplate;
import org.springframework.jms.core.MessageCreator;
import org.springframework.remoting.support.RemoteInvocationResult;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Session;
/**
* A JMS MessageListener that exports the specified service bean as a JMS
* service endpoint, accessible via a JMS proxy. <p/>
* <p>
* Note: JMS services exported with this class can be accessed by any JMS
* client, as there isn't any special handling involved.
*
* @author James Strachan
* @see JmsProxyFactoryBean
*/
public class JmsTemplateServiceExporter extends JmsServiceExporterSupport implements InitializingBean {
private JmsTemplate template;
public void afterPropertiesSet() throws Exception {
super.afterPropertiesSet();
if (template == null) {
throw new IllegalArgumentException("template is required");
}
}
public JmsTemplate getTemplate() {
return template;
}
/**
* Sets the JMS template used to send replies back for the request
*
* @param template
* the JMS template to use
*/
public void setTemplate(JmsTemplate template) {
this.template = template;
}
/**
* Send the given RemoteInvocationResult as a JMS message to the originator
*
* @param message
* current HTTP message
* @param result
* the RemoteInvocationResult object
* @throws javax.jms.JMSException
* if thrown by trying to send the message
*/
protected void writeRemoteInvocationResult(final Message message, final RemoteInvocationResult result)
throws JMSException {
template.send(message.getJMSReplyTo(), new MessageCreator() {
public Message createMessage(Session session) throws JMSException {
return createResponseMessage(session, message, result);
}
});
}
}