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/*
* 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.provider;
import java.util.ArrayList;
import java.util.List;
import javax.jms.JMSException;
import org.apache.tuscany.sca.binding.jms.impl.JMSBinding;
import org.apache.tuscany.sca.binding.jms.impl.JMSBindingConstants;
import org.apache.tuscany.sca.binding.jms.impl.JMSBindingException;
import org.apache.tuscany.sca.interfacedef.Interface;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.provider.ReferenceBindingProvider;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
/**
* Implementation of the JMS reference binding provider.
*
* @version $Rev$ $Date$
*/
public class JMSBindingReferenceBindingProvider implements ReferenceBindingProvider {
private RuntimeComponentReference reference;
private JMSBinding jmsBinding;
private List<JMSBindingInvoker> jmsBindingInvokers = new ArrayList<JMSBindingInvoker>();
private JMSResourceFactory jmsResourceFactory;
public JMSBindingReferenceBindingProvider(RuntimeComponent component,
RuntimeComponentReference reference,
JMSBinding binding) {
this.reference = reference;
this.jmsBinding = binding;
jmsResourceFactory = new JMSResourceFactory(binding.getConnectionFactoryName(), binding.getInitialContextFactoryName(), binding.getJndiURL());
if (XMLTextMessageProcessor.class.isAssignableFrom(jmsBinding.getRequestMessageProcessor().getClass())) {
setXMLDataBinding(reference);
}
}
protected void setXMLDataBinding(RuntimeComponentReference reference) {
try {
InterfaceContract ic = (InterfaceContract)reference.getInterfaceContract().clone();
Interface ii = (Interface)ic.getInterface().clone();
ii.resetDataBinding("org.apache.axiom.om.OMElement");
ic.setInterface(ii);
reference.setInterfaceContract(ic);
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e);
}
}
public Invoker createInvoker(Operation operation) {
if (jmsBinding.getDestinationName().equals(JMSBindingConstants.DEFAULT_DESTINATION_NAME)) {
throw new JMSBindingException("No destination specified for reference " + reference.getName());
}
/* The following doesn't work as I can't get to the
* target list on the composite reference
// if the default destination queue name is set
// set the destination queue name to the wired service name
// so that any wires can be assured a unique endpoint.
if (jmsBinding.getDestinationName().equals(JMSBindingConstants.DEFAULT_DESTINATION_NAME)){
// get the name of the target service
List<ComponentService> targets = reference.getTargets();
if (targets.size() < 1){
throw new JMSBindingException("No target specified for reference " +
reference.getName() +
" so destination queue name can't be determined");
}
if (targets.size() > 1){
throw new JMSBindingException("More than one target specified for reference " +
reference.getName() +
" so destination queue name can't be determined");
}
ComponentService service = targets.get(0);
jmsBinding.setDestinationName(service.getName());
}
// if the default response queue name is set
// set the response queue to the names of this
// reference
if (jmsBinding.getResponseDestinationName().equals(JMSBindingConstants.DEFAULT_RESPONSE_DESTINATION_NAME)){
jmsBinding.setResponseDestinationName(reference.getName());
}
*/
JMSBindingInvoker invoker = new JMSBindingInvoker(jmsBinding, operation, jmsResourceFactory);
jmsBindingInvokers.add(invoker);
return invoker;
}
public boolean supportsOneWayInvocation() {
return true;
}
public InterfaceContract getBindingInterfaceContract() {
return reference.getInterfaceContract();
}
public void start() {
}
public void stop() {
try {
jmsResourceFactory.closeConnection();
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
}
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