/*
* 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.headers.HeaderReferenceInterceptor;
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.binding.jms.transport.TransportReferenceInterceptor;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.InvocationChain;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Phase;
import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
import org.apache.tuscany.sca.provider.ReferenceBindingProviderRRB;
import org.apache.tuscany.sca.provider.WireFormatProvider;
import org.apache.tuscany.sca.provider.WireFormatProviderFactory;
import org.apache.tuscany.sca.runtime.RuntimeComponent;
import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
import org.apache.tuscany.sca.runtime.RuntimeWire;
/**
* Implementation of the JMS reference binding provider.
*
* @version $Rev: 721811 $ $Date: 2008-11-30 13:46:51 +0000 (Sun, 30 Nov 2008) $
*/
public class JMSBindingReferenceBindingProvider implements ReferenceBindingProviderRRB {
private RuntimeComponentReference reference;
private JMSBinding jmsBinding;
private List<JMSBindingInvoker> jmsBindingInvokers = new ArrayList<JMSBindingInvoker>();
private JMSResourceFactory jmsResourceFactory;
private RuntimeComponent component;
private InterfaceContract interfaceContract;
private ExtensionPointRegistry extensions;
private ProviderFactoryExtensionPoint providerFactories;
private WireFormatProviderFactory requestWireFormatProviderFactory;
private WireFormatProvider requestWireFormatProvider;
private WireFormatProviderFactory responseWireFormatProviderFactory;
private WireFormatProvider responseWireFormatProvider;
public JMSBindingReferenceBindingProvider(RuntimeComponent component, RuntimeComponentReference reference, JMSBinding binding, ExtensionPointRegistry extensions, JMSResourceFactory jmsResourceFactory) {
this.reference = reference;
this.jmsBinding = binding;
this.extensions = extensions;
this.component = component;
this.jmsResourceFactory = jmsResourceFactory;
// Get the factories/providers for operation selection
this.providerFactories = extensions.getExtensionPoint(ProviderFactoryExtensionPoint.class);
// Get the factories/providers for wire format
this.requestWireFormatProviderFactory =
(WireFormatProviderFactory)providerFactories.getProviderFactory(jmsBinding.getRequestWireFormat().getClass());
if (this.requestWireFormatProviderFactory != null){
this.requestWireFormatProvider = requestWireFormatProviderFactory.createReferenceWireFormatProvider(component, reference, jmsBinding);
}
this.responseWireFormatProviderFactory =
(WireFormatProviderFactory)providerFactories.getProviderFactory(jmsBinding.getResponseWireFormat().getClass());
if (this.responseWireFormatProviderFactory != null){
this.responseWireFormatProvider = responseWireFormatProviderFactory.createReferenceWireFormatProvider(component, reference, jmsBinding);
}
}
public Invoker createInvoker(Operation operation) {
if (jmsBinding.getDestinationName().equals(JMSBindingConstants.DEFAULT_DESTINATION_NAME)) {
if (!reference.isCallback()) {
throw new JMSBindingException("No destination specified for reference " + reference.getName());
}
}
Invoker invoker = null;
invoker = new RRBJMSBindingInvoker(jmsBinding, operation, jmsResourceFactory, reference);
return invoker;
}
public boolean supportsOneWayInvocation() {
return true;
}
public InterfaceContract getBindingInterfaceContract() {
if (interfaceContract == null){
interfaceContract = this.requestWireFormatProvider.getWireFormatInterfaceContract();
}
return interfaceContract;
}
public void start() {
}
public void stop() {
try {
jmsResourceFactory.closeConnection();
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
/*
* set up the reference binding wire with the right set of jms reference
* interceptors
*/
public void configureBindingChain(RuntimeWire runtimeWire) {
InvocationChain bindingChain = runtimeWire.getBindingInvocationChain();
// add transport interceptor
bindingChain.addInterceptor(Phase.REFERENCE_BINDING_TRANSPORT,
new TransportReferenceInterceptor(jmsBinding,
jmsResourceFactory,
runtimeWire) );
// add request wire format
bindingChain.addInterceptor(requestWireFormatProvider.getPhase(),
requestWireFormatProvider.createInterceptor());
// add response wire format, but only add it if it's different from the request
if (!jmsBinding.getRequestWireFormat().equals(jmsBinding.getResponseWireFormat())){
bindingChain.addInterceptor(responseWireFormatProvider.getPhase(),
responseWireFormatProvider.createInterceptor());
}
// add the header processor that comes after the wire formatter but before the
// policy interceptors
bindingChain.addInterceptor(Phase.REFERENCE_BINDING_WIREFORMAT,
new HeaderReferenceInterceptor(jmsBinding,
jmsResourceFactory,
runtimeWire) );
}
}