| /* |
| * 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 $Rev$ $Date$ |
| */ |
| 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()); |
| // } |
| } |
| |
| if ( jmsBinding.getActivationSpecName() != null ) { |
| throw new JMSBindingException("Activation spec can not be specified on an SCA reference binding."); |
| } |
| 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) ); |
| } |
| |
| } |