/*
* 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.tuscany.sca.binding.jms.host;
import java.lang.reflect.InvocationTargetException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.naming.NamingException;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.Endpoint;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext;
import org.apache.tuscany.sca.binding.jms.provider.JMSResourceFactory;
import org.apache.tuscany.sca.invocation.MessageFactory;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
/**
* TODO RRB experiement
* Listener for the JMSBinding.
*
* @version $Rev: 1051255 $ $Date: 2010-12-20 19:36:27 +0000 (Mon, 20 Dec 2010) $
*/
public class DefaultServiceInvoker implements MessageListener {
private static final Logger logger = Logger.getLogger(DefaultServiceInvoker.class.getName());
private RuntimeEndpoint endpoint;
private JMSBinding jmsBinding;
private Binding targetBinding;
private JMSResourceFactory jmsResourceFactory;
private RuntimeComponentService service;
private MessageFactory messageFactory;
public DefaultServiceInvoker(RuntimeEndpoint endpoint, Binding targetBinding, MessageFactory messageFactory, JMSResourceFactory rf) throws NamingException {
this.endpoint = endpoint;
this.jmsBinding = (JMSBinding) endpoint.getBinding();
this.jmsResourceFactory = rf;
this.service = (RuntimeComponentService) endpoint.getService();
this.targetBinding = targetBinding;
this.messageFactory = messageFactory;
}
public void onMessage(Message requestJMSMsg) {
logger.log(Level.FINE, "JMS service '" + service.getName() + "' received message " + requestJMSMsg);
try {
invokeService(requestJMSMsg);
} catch (Throwable e) {
logger.log(Level.SEVERE, "Exception send fault response '" + service.getName(), e);
}
}
protected void invokeService(Message requestJMSMsg) throws JMSException, InvocationTargetException {
// create the tuscany message
org.apache.tuscany.sca.invocation.Message tuscanyMsg = messageFactory.createMessage();
// populate the message context with JMS binding information
JMSBindingContext context = new JMSBindingContext();
tuscanyMsg.setBindingContext(context);
context.setJmsMsg(requestJMSMsg);
context.setJmsResourceFactory(jmsResourceFactory);
context.setReplyToDestination(requestJMSMsg.getJMSReplyTo());
// set the message body
tuscanyMsg.setBody(requestJMSMsg);
// call the runtime wire - the response is handled by the
// transport interceptor
//getEndpoint(targetBinding).invoke(tuscanyMsg);
RuntimeEndpoint endpoint = getEndpoint(targetBinding);
if( endpoint.isAsyncInvocation() ) {
endpoint.invokeAsync(tuscanyMsg);
} else {
endpoint.invoke(tuscanyMsg);
} // end if
} // end method invokeService
private RuntimeEndpoint getEndpoint(Binding targetBinding) {
for(Endpoint ep: service.getEndpoints()) {
if(ep.getBinding() == targetBinding) {
return (RuntimeEndpoint) ep;
}
}
return endpoint;
}
}