Package com.sun.enterprise.deployment.node.ejb

Source Code of com.sun.enterprise.deployment.node.ejb.MessageDrivenBeanNode

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* and Distribution License("CDDL") (collectively, the "License").  You
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/*
* MessageDrivenBeanNode.java
*
* Created on February 1, 2002, 11:25 AM
*/

package com.sun.enterprise.deployment.node.ejb;

import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.Iterator;
import org.w3c.dom.Node;

import com.sun.enterprise.deployment.xml.TagNames;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.LifecycleCallbackNode;
import com.sun.enterprise.deployment.node.MethodNode;
import com.sun.enterprise.deployment.node.DescriptorFactory;

import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.EntityManagerReferenceDescriptor;
import com.sun.enterprise.deployment.EntityManagerFactoryReferenceDescriptor;
import com.sun.enterprise.deployment.EjbInterceptor;
import com.sun.enterprise.deployment.EjbMessageBeanDescriptor;
import com.sun.enterprise.deployment.xml.EjbTagNames;

/**
* This class handles message-driven related xml information
*
* @author  Jerome Dochez
* @version
*/
public class MessageDrivenBeanNode extends EjbNode {

    private EjbMessageBeanDescriptor descriptor;
       
    public MessageDrivenBeanNode() {
        super();
        registerElementHandler(new XMLElement(EjbTagNames.ACTIVATION_CONFIG),
                               ActivationConfigNode.class,
                               "setActivationConfigDescriptor");

        registerElementHandler(new XMLElement(EjbTagNames.AROUND_INVOKE_METHOD), AroundInvokeNode.class, "addAroundInvokeDescriptor");

        registerElementHandler(new XMLElement(TagNames.POST_CONSTRUCT), LifecycleCallbackNode.class, "addPostConstructDescriptor");

        registerElementHandler(new XMLElement(TagNames.PRE_DESTROY), LifecycleCallbackNode.class, "addPreDestroyDescriptor");

        registerElementHandler(new XMLElement(EjbTagNames.TIMEOUT_METHOD), MethodNode.class, "setEjbTimeoutMethod");     

    }

    /**
     * @return the descriptor instance to associate with this XMLNode
     */   
    public EjbDescriptor getEjbDescriptor() {
       
        if (descriptor==null) {
            descriptor = (EjbMessageBeanDescriptor) DescriptorFactory.getDescriptor(getXMLPath());
            descriptor.setEjbBundleDescriptor((EjbBundleDescriptor) getParentNode().getDescriptor());                       
        }
        return descriptor;
    }       

    /**
     * all sub-implementation of this class can use a dispatch table to map xml element to
     * method name on the descriptor class for setting the element value.
     * 
     * @return the map with the element name as a key, the setter method as a value
     */   
    protected Map getDispatchTable() {
        // no need to be synchronized for now
        Map table = super.getDispatchTable();

        table.put(EjbTagNames.MESSAGING_TYPE, "setMessageListenerType");
        table.put(EjbTagNames.TRANSACTION_TYPE, "setTransactionType");
        table.put(EjbTagNames.MESSAGE_DESTINATION_TYPE, "setDestinationType");
        table.put(TagNames.MESSAGE_DESTINATION_LINK,
                  "setMessageDestinationLinkName");

        // These are the EJB 2.0 elements that no longer exist in the EJB 2.1
        // schema.  We still set them on the descriptor but they will be
        // written out as activation config properties.
        table.put(EjbTagNames.MSG_SELECTOR, "setJmsMessageSelector");
        table.put(EjbTagNames.JMS_ACKNOWLEDGE_MODE, "setJmsAcknowledgeMode");
        table.put(EjbTagNames.JMS_DEST_TYPE, "setDestinationType");       
        table.put(EjbTagNames.JMS_SUBSCRIPTION_DURABILITY,
                  "setSubscriptionDurability");       
        return table;
    }   
   
    /**
     * write the descriptor class to a DOM tree and return it
     *
     * @param parent node for the DOM tree
     * @param node name for the root element of this xml fragment     
     * @param the descriptor to write
     * @return the DOM tree top node
     */   
    public Node writeDescriptor(Node parent, String nodeName, Descriptor descriptor) {
        if (! (descriptor instanceof EjbMessageBeanDescriptor)) {
            throw new IllegalArgumentException(getClass() + " cannot handles descriptors of type " + descriptor.getClass());
        }   
        EjbMessageBeanDescriptor ejbDesc = (EjbMessageBeanDescriptor) descriptor;
       
        Node ejbNode = super.writeDescriptor(parent, nodeName, descriptor);
        writeDisplayableComponentInfo(ejbNode, descriptor);
        writeCommonHeaderEjbDescriptor(ejbNode, ejbDesc);
        appendTextChild(ejbNode, EjbTagNames.EJB_CLASS, ejbDesc.getEjbClassName());            
        appendTextChild(ejbNode, EjbTagNames.MESSAGING_TYPE, ejbDesc.getMessageListenerType());


        MethodNode methodNode = new MethodNode();
       
        if( ejbDesc.isTimedObject() ) {
            methodNode.writeJavaMethodDescriptor
                (ejbNode, EjbTagNames.TIMEOUT_METHOD,
                 ejbDesc.getEjbTimeoutMethod());
        }

        appendTextChild(ejbNode, EjbTagNames.TRANSACTION_TYPE, ejbDesc.getTransactionType());                  

        // message-destination-type
        appendTextChild(ejbNode, TagNames.MESSAGE_DESTINATION_TYPE,
                        ejbDesc.getDestinationType());

        // message-destination-link
        String link = ejbDesc.getMessageDestinationLinkName();
        appendTextChild(ejbNode, TagNames.MESSAGE_DESTINATION_LINK, link);
       
        ActivationConfigNode activationConfigNode = new ActivationConfigNode();
        activationConfigNode.writeDescriptor
            (ejbNode, EjbTagNames.ACTIVATION_CONFIG,
             ejbDesc.getActivationConfigDescriptor());

        // around-invoke-method
        writeAroundInvokeDescriptors(ejbNode, ejbDesc.getAroundInvokeDescriptors().iterator());

        // env-entry*
        writeEnvEntryDescriptors(ejbNode, ejbDesc.getEnvironmentProperties().iterator());
       
        // ejb-ref * and ejb-local-ref*
        writeEjbReferenceDescriptors(ejbNode, ejbDesc.getEjbReferenceDescriptors().iterator());

        // service-ref*
        writeServiceReferenceDescriptors(ejbNode, ejbDesc.getServiceReferenceDescriptors().iterator());
       
        // resource-ref*
        writeResourceRefDescriptors(ejbNode, ejbDesc.getResourceReferenceDescriptors().iterator());
       
        // resource-env-ref*
        writeResourceEnvRefDescriptors(ejbNode, ejbDesc.getJmsDestinationReferenceDescriptors().iterator());       
       
        // message-destination-ref*
        writeMessageDestinationRefDescriptors(ejbNode, ejbDesc.getMessageDestinationReferenceDescriptors().iterator());

        // persistence-context-ref*
        writeEntityManagerReferenceDescriptors(ejbNode, ejbDesc.getEntityManagerReferenceDescriptors().iterator());
       
        // persistence-unit-ref*
        writeEntityManagerFactoryReferenceDescriptors(ejbNode, ejbDesc.getEntityManagerFactoryReferenceDescriptors().iterator());

        // post-construct
        writePostConstructDescriptors(ejbNode, ejbDesc.getPostConstructDescriptors().iterator());

        // pre-destroy
        writePreDestroyDescriptors(ejbNode, ejbDesc.getPreDestroyDescriptors().iterator());

        // security-identity
        writeSecurityIdentityDescriptor(ejbNode, ejbDesc);
       
        return ejbNode;
    }   
}
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