/*
* 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 javax.jms.JMSException;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingException;
import org.apache.tuscany.sca.binding.jms.headers.HeaderReferenceInterceptor;
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.EndpointReferenceProvider;
import org.apache.tuscany.sca.provider.ProviderFactoryExtensionPoint;
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.RuntimeEndpointReference;
/**
* Implementation of the JMS reference binding provider.
*
* @version $Rev: 836009 $ $Date: 2009-11-13 13:49:15 -0800 (Fri, 13 Nov 2009) $
*/
public class JMSBindingReferenceBindingProvider implements EndpointReferenceProvider {
private RuntimeEndpointReference endpointReference;
private RuntimeComponentReference reference;
private JMSBinding jmsBinding;
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(RuntimeEndpointReference endpointReference, ExtensionPointRegistry extensions, JMSResourceFactory jmsResourceFactory) {
this.endpointReference = endpointReference;
this.reference = (RuntimeComponentReference) endpointReference.getReference();
this.jmsBinding = (JMSBinding) endpointReference.getBinding();
this.extensions = extensions;
this.component = (RuntimeComponent) endpointReference.getComponent();
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(endpointReference);
}
this.responseWireFormatProviderFactory =
(WireFormatProviderFactory)providerFactories.getProviderFactory(jmsBinding.getResponseWireFormat().getClass());
if (this.responseWireFormatProviderFactory != null){
this.responseWireFormatProvider = responseWireFormatProviderFactory.createReferenceWireFormatProvider(endpointReference);
}
// create an interface contract that reflects both request and response
// wire formats
try {
interfaceContract = (InterfaceContract)reference.getInterfaceContract().clone();
requestWireFormatProvider.configureWireFormatInterfaceContract(interfaceContract);
responseWireFormatProvider.configureWireFormatInterfaceContract(interfaceContract);
} catch (CloneNotSupportedException ex){
interfaceContract = reference.getInterfaceContract();
}
}
public Invoker createInvoker(Operation operation) {
if (jmsBinding.getDestinationName() == null) {
// if (!reference.isCallback()) { // TODO: 2.x migration, is this check needed?
throw new JMSBindingException("No destination specified for reference " + reference.getName());
// }
}
Invoker invoker = null;
invoker = new RRBJMSBindingInvoker(operation, jmsResourceFactory, endpointReference);
return invoker;
}
public boolean supportsOneWayInvocation() {
return true;
}
public InterfaceContract getBindingInterfaceContract() {
return interfaceContract;
}
public void start() {
}
public void stop() {
try {
jmsResourceFactory.closeConnection();
jmsResourceFactory.closeResponseConnection();
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
/*
* set up the reference binding wire with the right set of jms reference
* interceptors
*/
public void configure() {
InvocationChain bindingChain = endpointReference.getBindingInvocationChain();
// add transport interceptor
bindingChain.addInterceptor(Phase.REFERENCE_BINDING_TRANSPORT,
new TransportReferenceInterceptor(jmsBinding,
jmsResourceFactory,
endpointReference) );
// 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(extensions,
jmsBinding,
jmsResourceFactory,
endpointReference) );
}
}