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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License. You can obtain
 * a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
 * or glassfish/bootstrap/legal/LICENSE.txt.  See the License for the specific
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 * When distributing the software, include this License Header Notice in each
 * file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
 * Sun designates this particular file as subject to the "Classpath" exception
 * as provided by Sun in the GPL Version 2 section of the License file that
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 * Header, with the fields enclosed by brackets [] replaced by your own
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package com.sun.enterprise.deployment.node.runtime;

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

import com.sun.enterprise.deployment.MessageDestinationDescriptor;
import com.sun.enterprise.deployment.BundleDescriptor;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.MessageDestinationNode;
import com.sun.enterprise.deployment.node.runtime.web.WebBundleRuntimeNode;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import com.sun.enterprise.deployment.util.DOLUtils;

/**
 * This node is responsible for handling runtime descriptor
 * message-destination tag.
 *
 * @author  Kenneth Saks
 * @version 
 */
public class MessageDestinationRuntimeNode extends DeploymentDescriptorNode {

    private MessageDestinationDescriptor descriptor;
    
    /**
    * @return the descriptor instance to associate with this XMLNode
    */    
    public Object 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() {    
        Map table = super.getDispatchTable();
        table.put(RuntimeTagNames.JNDI_NAME, "setJndiName");
        return table;
    }
    
    /**
     * receives notiification of the value for a particular tag
     * 
     * @param element the xml element
     * @param value it's associated value
     */
    public void setElementValue(XMLElement element, String value) {
        if (RuntimeTagNames.MESSAGE_DESTINATION_NAME.equals(element.getQName())) {
            // this is a hack but not much choice
            Object parentNode = getParentNode();
            Object parentDesc = null;
            if (parentNode instanceof WebBundleRuntimeNode) {
                parentDesc = ((WebBundleRuntimeNode) parentNode).getWebBundleDescriptor();
            } else {
                parentDesc = getParentNode().getDescriptor();
            }
            
            if (parentDesc instanceof BundleDescriptor) {
                try {
                    descriptor = ((BundleDescriptor) parentDesc).
                        getMessageDestinationByName(value);
                } catch (IllegalArgumentException iae) {
                    DOLUtils.getDefaultLogger().warning(iae.getMessage());
                }
            } 
        } else super.setElementValue(element, value);
    }
    
    /**
     * write the descriptor class to a DOM tree and return it
     *
     * @param parent node for the DOM tree
     * @param node name for the descriptor
     * @param the descriptor to write
     * @return the DOM tree top node
     */    
    public Node writeDescriptor(Node parent, String nodeName, MessageDestinationDescriptor msgDest) {          
        String jndiName  = msgDest.getJndiName();
        Node msgDestNode = null;
        if( (jndiName != null) && (jndiName.length() > 0) ) {
            msgDestNode = super.writeDescriptor(parent, nodeName, msgDest);
            appendTextChild(msgDestNode, 
                            RuntimeTagNames.MESSAGE_DESTINATION_NAME, 
                            msgDest.getName());
            appendTextChild(msgDestNode, RuntimeTagNames.JNDI_NAME, 
                            msgDest.getJndiName());
        }
        return msgDestNode;
    }  
    
}
