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Micro Distribution of the Payara Project for IBM JDK
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * 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_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 *
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 */

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

import com.sun.enterprise.deployment.node.DeploymentDescriptorNode;
import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;
import org.glassfish.security.common.PrincipalImpl;
import org.w3c.dom.Node;

/**
 * This mode handles the principal definition in the runtine DDs
 *
 * @author Jerome Dochez
 * @version 
 */
public class PrincipalNode extends DeploymentDescriptorNode {
    
    PrincipalImpl principal=null;
        
   /**
    * @return the descriptor instance to associate with this XMLNode
    */    
    public Object getDescriptor() {
        return principal;
    }
    
    /**
     * receives notification 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.NAME.equals(element.getQName())) {
            principal = new PrincipalImpl(value);
        } 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 
     * @param the descriptor to write
     * @return the DOM tree top node
     */    
    public Node writeDescriptor(Node parent, String nodeName, PrincipalImpl descriptor) {      
        Node principal = appendChild(parent, nodeName);     
	appendTextChild(principal, RuntimeTagNames.NAME, descriptor.getName());
        return principal;
        
    }
}