Package org.apache.tuscany.sca.binding.jms.headers

Source Code of org.apache.tuscany.sca.binding.jms.headers.HeaderReferenceInterceptor

/*
* 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.headers;




import java.util.Map;
import java.util.UUID;

import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.naming.NamingException;

import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingConstants;
import org.apache.tuscany.sca.binding.jms.JMSBindingException;
import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext;
import org.apache.tuscany.sca.binding.jms.provider.JMSBindingServiceBindingProvider;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessor;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessorUtil;
import org.apache.tuscany.sca.binding.jms.provider.JMSResourceFactory;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.runtime.RuntimeEndpoint;
import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;

/**
*
* @version $Rev: 1027105 $ $Date: 2010-10-25 14:25:25 +0100 (Mon, 25 Oct 2010) $
*/
public class HeaderReferenceInterceptor implements Interceptor {

    private Invoker next;
    private RuntimeEndpointReference runtimeWire;
    private JMSBinding jmsBinding;
    private JMSMessageProcessor requestMessageProcessor;


    public HeaderReferenceInterceptor(ExtensionPointRegistry extensions, JMSBinding jmsBinding, JMSResourceFactory jmsResourceFactory, RuntimeEndpointReference runtimeWire) {
        super();
        this.jmsBinding = jmsBinding;
        this.runtimeWire = runtimeWire;     
        this.requestMessageProcessor = JMSMessageProcessorUtil.getRequestMessageProcessor(extensions, jmsBinding);      
       
    }

    public Message invoke(Message msg) {
       
        return next.invoke(invokeRequest(msg));

    }
   
    public Message invokeRequest(Message tuscanyMsg) {
        try {
            // get the jms context
            JMSBindingContext context = tuscanyMsg.getBindingContext();
            javax.jms.Message jmsMsg = tuscanyMsg.getBody();
           
            Operation operation = tuscanyMsg.getOperation();
            String operationName = operation.getName();
            RuntimeEndpointReference reference = runtimeWire;
           
            // I think the OASIS spec suggests we do not need to do anything with
            // @nativeOperation here on the reference side.
            requestMessageProcessor.setOperationName(operationName, jmsMsg);
   
         
           
            if (jmsBinding.getEffectiveJMSDeliveryMode(operationName) != null) {
              if (jmsBinding.getEffectiveJMSDeliveryMode(operationName)) {
                jmsMsg.setJMSDeliveryMode(DeliveryMode.PERSISTENT);
              } else {
                jmsMsg.setJMSDeliveryMode(DeliveryMode.NON_PERSISTENT);
              }
            }
   
            if (jmsBinding.getEffectiveJMSPriority(operationName) != null) {
              jmsMsg.setJMSPriority(jmsBinding.getEffectiveJMSPriority(operationName));
            }
   
            if ( jmsBinding.getEffectiveJMSType(operationName) != null ) {        
              jmsMsg.setJMSType(jmsBinding.getEffectiveJMSType(operationName));
            }
           
            if ( jmsBinding.getEffectiveJMSTimeToLive(operationName) != null ) {
              jmsMsg.setJMSExpiration(jmsBinding.getEffectiveJMSTimeToLive(operationName));
            }
           
            if (jmsBinding.getOperationJMSCorrelationId(operationName) != null) {
                jmsMsg.setJMSCorrelationID(jmsBinding.getOperationJMSCorrelationId(operationName));
            } else if (JMSBindingConstants.CORRELATE_CORRELATION_ID.equals(jmsBinding.getCorrelationScheme())) {
                jmsMsg.setJMSCorrelationID(UUID.randomUUID().toString());
            }
   
            if (tuscanyMsg.getFrom().getCallbackEndpoint() != null) {
   
                String callbackDestName = getCallbackDestinationName(reference);
                if (callbackDestName != null) {
                    jmsMsg.setStringProperty(JMSBindingConstants.CALLBACK_Q_PROPERTY, "jms:jndi:" + callbackDestName);
                    if (operation.isNonBlocking()) {
                      Destination dest = context.getJmsResourceFactory().lookupDestination(callbackDestName);
            jmsMsg.setJMSReplyTo(dest);
                    }
                }
            }
           
            for (String propName : jmsBinding.getPropertyNames()) {
                Object value = jmsBinding.getProperty(propName);
                jmsMsg.setObjectProperty(propName, value);
            }
   
            Map<String, Object> operationProperties = jmsBinding.getOperationProperties(operationName);
            if (operationProperties != null) {
                for (String propName : operationProperties.keySet()) {
                    Object value = operationProperties.get(propName);
                    jmsMsg.setObjectProperty(propName, value);
                }
            }
           
            if (jmsBinding.getEffectiveJMSTimeToLive(operationName) != null) {
                context.setTimeToLive(jmsBinding.getEffectiveJMSTimeToLive(operationName) * 2);       
            } else {  
              context.setTimeToLive(JMSBindingConstants.DEFAULT_TIME_TO_LIVE);       
            }
           
            return tuscanyMsg;
        } catch (JMSException e) {
            throw new JMSBindingException(e);
        } catch (NamingException e) {
            throw new JMSBindingException(e);
    }
    }
   
    protected String getCallbackDestinationName(RuntimeEndpointReference reference) {
        RuntimeEndpoint endpoint = (RuntimeEndpoint) reference.getCallbackEndpoint();
        if (endpoint != null) {
            JMSBindingServiceBindingProvider bp = (JMSBindingServiceBindingProvider)endpoint.getBindingProvider();
            return bp.getDestinationName();
        }
        return null;
   
     

    public Invoker getNext() {
        return next;
    }

    public void setNext(Invoker next) {
        this.next = next;
    }
   
 
}
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