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/*
 * RunAsNode.java
 *
 * Created on January 30, 2002, 9:23 AM
 */

package com.sun.enterprise.deployment.node;

import java.util.Map;
import org.w3c.dom.Node;
import com.sun.enterprise.deployment.Descriptor;
import com.sun.enterprise.deployment.RunAsIdentityDescriptor;
import com.sun.enterprise.deployment.xml.EjbTagNames;

/**
 * This class handles the run-as xml fragment
 *
 * @author  Jer ome Dochez
 * @version 
 */
public class RunAsNode extends DeploymentDescriptorNode {

    /**
     * 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.ROLE_NAME, "setRoleName");    
        return table;
    }    

    /**
     * write the descriptor class to a DOM tree and return it
     *
     * @param parent node in the DOM tree 
     * @param node name for the root element for this DOM tree fragment
     * @param the descriptor to write
     * @return the DOM tree top node
     */
    public Node writeDescriptor(Node parent, String nodeName, RunAsIdentityDescriptor descriptor) {    
        Node subNode = super.writeDescriptor(parent, nodeName, descriptor);
        writeLocalizedDescriptions(subNode, descriptor);
        appendTextChild(subNode, EjbTagNames.ROLE_NAME, descriptor.getRoleName());
        return subNode;
    }
    
}