Package org.apache.tuscany.sca.binding.jms.wireformat.jmstextxml.runtime

Source Code of org.apache.tuscany.sca.binding.jms.wireformat.jmstextxml.runtime.WireFormatJMSTextXMLReferenceProvider

/*
* 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.wireformat.jmstextxml.runtime;

import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingConstants;
import org.apache.tuscany.sca.binding.jms.wireformat.WireFormatJMSTextXML;
import org.apache.tuscany.sca.binding.ws.WebServiceBinding;
import org.apache.tuscany.sca.binding.ws.WebServiceBindingFactory;
import org.apache.tuscany.sca.binding.ws.wsdlgen.BindingWSDLGenerator;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Phase;
import org.apache.tuscany.sca.provider.WireFormatProvider;
import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;

/**
* @version $Rev: 836009 $ $Date: 2009-11-13 21:49:15 +0000 (Fri, 13 Nov 2009) $
*/
public class WireFormatJMSTextXMLReferenceProvider implements WireFormatProvider {
    private ExtensionPointRegistry registry;
    private RuntimeEndpointReference endpointReference;
    private JMSBinding binding;
    private InterfaceContract interfaceContract;

    public WireFormatJMSTextXMLReferenceProvider(ExtensionPointRegistry registry,
                                                 RuntimeEndpointReference endpointReference) {
        super();
        this.registry = registry;
        this.endpointReference = endpointReference;
        this.binding = (JMSBinding)endpointReference.getBinding();
       
        // configure the reference based on this wire format
       
        // currently maintaining the message processor structure which
        // contains the details of jms message processing so set the message
        // type here if not set explicitly in SCDL

        if (this.binding.getRequestWireFormat() instanceof WireFormatJMSTextXML){
            this.binding.setRequestMessageProcessorName(JMSBindingConstants.XML_MP_CLASSNAME);
        }
        if (this.binding.getResponseWireFormat() instanceof WireFormatJMSTextXML){
            this.binding.setResponseMessageProcessorName(JMSBindingConstants.XML_MP_CLASSNAME);
        }

        // create a local interface contract that is configured specifically to
        // deal with the data format that this wire format is expecting to sent to
        // and receive from the databinding interceptor. The request/response parts of
        // this interface contract will be copied into the binding interface contract
        // as required
        WebServiceBindingFactory wsFactory = registry.getExtensionPoint(WebServiceBindingFactory.class);
        WebServiceBinding wsBinding = wsFactory.createWebServiceBinding();
        BindingWSDLGenerator.generateWSDL(endpointReference.getComponent(), endpointReference.getReference(), wsBinding, registry, null);
        interfaceContract = wsBinding.getBindingInterfaceContract();
        interfaceContract.getInterface().resetDataBinding(DOMDataBinding.NAME);
    }
   
    protected boolean isOnMessage() {
        InterfaceContract ic = endpointReference.getReference().getInterfaceContract();
        if (ic.getInterface().getOperations().size() != 1) {
            return false;
        }
        return "onMessage".equals(ic.getInterface().getOperations().get(0).getName());
    }
      
    public InterfaceContract configureWireFormatInterfaceContract(InterfaceContract interfaceContract){
       
        if (this.interfaceContract != null && !isOnMessage()) {
            if (this.binding.getRequestWireFormat() instanceof WireFormatJMSTextXML){
                // set the request data transformation
                interfaceContract.getInterface().resetInterfaceInputTypes(this.interfaceContract.getInterface());
            }
            if (this.binding.getResponseWireFormat() instanceof WireFormatJMSTextXML){
                // set the response data transformation
                interfaceContract.getInterface().resetInterfaceOutputTypes(this.interfaceContract.getInterface());
            }
        }
       
        return interfaceContract;
    }   
   
    public Interceptor createInterceptor() {
        return new WireFormatJMSTextXMLReferenceInterceptor(registry, null, endpointReference);
    }

    public String getPhase() {
        return Phase.REFERENCE_BINDING_WIREFORMAT;
    }

    public InterfaceContract getWireFormatInterfaceContract() {
        return interfaceContract;
    }

}
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