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

Source Code of org.apache.tuscany.sca.binding.jms.wireformat.jmsdefault.runtime.WireFormatJMSDefaultServiceProvider

/*
* 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.jmsdefault.runtime;

import java.util.HashMap;
import java.util.List;

import javax.xml.namespace.QName;

import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingConstants;
import org.apache.tuscany.sca.binding.jms.provider.JMSResourceFactory;
import org.apache.tuscany.sca.binding.jms.wireformat.WireFormatJMSDefault;
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.common.xml.dom.DOMHelper;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.InterfaceContract;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.interfacedef.util.ElementInfo;
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.RuntimeEndpoint;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;

/**
* @version $Rev: 906021 $ $Date: 2010-02-03 12:07:14 +0000 (Wed, 03 Feb 2010) $
*/
public class WireFormatJMSDefaultServiceProvider implements WireFormatProvider {
    private ExtensionPointRegistry registry;
    private RuntimeEndpoint endpoint;
    private ComponentService service;
    private JMSBinding binding;
    private JMSResourceFactory jmsResourceFactory;
    private InterfaceContract interfaceContract;
    private DOMHelper domHelper;
    private HashMap<String, Node> inputWrapperMap;
    private HashMap<String, Boolean> outputWrapperMap;

    public WireFormatJMSDefaultServiceProvider(ExtensionPointRegistry registry, RuntimeEndpoint endpoint, JMSResourceFactory jmsResourceFactory) {
        super();
        this.registry = registry;
        this.endpoint = endpoint;
        this.binding = (JMSBinding) endpoint.getBinding();
        this.service = endpoint.getService();
        this.jmsResourceFactory = jmsResourceFactory;

        this.domHelper = DOMHelper.getInstance(registry);
        this.inputWrapperMap = new HashMap<String, Node>();
        this.outputWrapperMap = new HashMap<String, Boolean>();

        // configure the service 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 WireFormatJMSDefault){
            this.binding.setRequestMessageProcessorName(JMSBindingConstants.DEFAULT_MP_CLASSNAME);
        }
        if (this.binding.getResponseWireFormat() instanceof WireFormatJMSDefault){
            this.binding.setResponseMessageProcessorName(JMSBindingConstants.DEFAULT_MP_CLASSNAME);
        }

        List<Operation> opList = service.getService().getInterfaceContract().getInterface().getOperations();

        // Go through each operation and add wrapper info

        // set the binding interface contract to represent the WSDL for the
        // xml messages that will be sent

        // I think we have to check for asIs because the Java2WSDL will blow up when using javax.jms.Message
        if (service.getInterfaceContract() != null && !isAsIs()) {
            WebServiceBindingFactory wsFactory = registry.getExtensionPoint(WebServiceBindingFactory.class);
            WebServiceBinding wsBinding = wsFactory.createWebServiceBinding();
            BindingWSDLGenerator.generateWSDL(endpoint.getComponent(), service, wsBinding, registry, null);
            interfaceContract = wsBinding.getBindingInterfaceContract();
            interfaceContract.getInterface().resetDataBinding(DOMDataBinding.NAME);

            List<Operation> wsdlOpList = interfaceContract.getInterface().getOperations();

            for (Operation op : opList) {
                String name = op.getName();

                Operation matchingWsdlOp = null;

                // find the matching wsdlop
                for (Operation wsdlOp : wsdlOpList) {
                    if (name.equals(wsdlOp.getName())) {
                        matchingWsdlOp = wsdlOp;
                        break;
                    }
                }

                // only add operations that need to be wrapped/unwrapped

                // TODO - not sure we really support viewing the input/output as separately wrapped
                // like the separate code paths imply.  Not sure how many @OneWay tests we have, this might
                // not be an issue. 
                if (matchingWsdlOp.isWrapperStyle()) {
                    if (op.getInputType().getLogical().size() == 1) {
                        // we only need to know what the wrapper is on the deserialization
                        // might need to change this when the input/output wrapper style is different
                        ElementInfo ei = op.getWrapper().getInputWrapperElement();
                        String namespace = ei.getQName().getNamespaceURI();
                        String opName = ei.getQName().getLocalPart();
                        Document document = domHelper.newDocument();
                        Element wrapper = DOMHelper.createElement(document, new QName(namespace, opName));
                        this.inputWrapperMap.put(name, wrapper);
                    }
                }

                if (matchingWsdlOp.isWrapperStyle()) {
                    this.outputWrapperMap.put(name, true);
                } else {
                    this.outputWrapperMap.put(name, false);
                }

            }

        } else {           
            interfaceContract = service.getService().getInterfaceContract();
        }
    }

    protected boolean isAsIs() {
        InterfaceContract ic = service.getInterfaceContract();
        if (ic.getInterface().getOperations().size() != 1) {
            return false;
        }

        List<DataType> inputDataTypes = ic.getInterface().getOperations().get(0).getInputType().getLogical();

        if (inputDataTypes.size() != 1) {
            return false;
        }

        Class<?> inputType = inputDataTypes.get(0).getPhysical();

        if (javax.jms.Message.class.isAssignableFrom(inputType)) {
            return true;
        }
        return false;
    }

    public InterfaceContract configureWireFormatInterfaceContract(InterfaceContract interfaceContract){
       
        if (this.interfaceContract != null &&
            !isAsIs()) {
            if (this.binding.getRequestWireFormat() instanceof WireFormatJMSDefault){
                // set the request data transformation
                interfaceContract.getInterface().resetInterfaceInputTypes(this.interfaceContract.getInterface());
            }
            if (this.binding.getResponseWireFormat() instanceof WireFormatJMSDefault){
                // set the response data transformation
                interfaceContract.getInterface().resetInterfaceOutputTypes(this.interfaceContract.getInterface());
            }
        }
       
        return interfaceContract;
    }   


    public Interceptor createInterceptor() {
        return new WireFormatJMSDefaultServiceInterceptor(registry, jmsResourceFactory, endpoint, this.inputWrapperMap, this.outputWrapperMap);
    }

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

    public InterfaceContract getWireFormatInterfaceContract() {
        return interfaceContract;
    }
}
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