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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.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 $Rev$ $Date$
+ */
+public class JMSBindingReferenceBindingProvider implements ReferenceBindingProviderRRB {
+
+ 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(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);
+ }
+
+ // 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()) {
+ 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() {
+ 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 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) );
+ }
+
+}