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

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

import com.sun.enterprise.deployment.node.XMLElement;
import com.sun.enterprise.deployment.EjbBundleDescriptor;
import com.sun.enterprise.deployment.runtime.IASPersistenceManagerDescriptor;
import com.sun.enterprise.deployment.runtime.PersistenceManagerInUse;
import com.sun.enterprise.deployment.xml.RuntimeTagNames;

/**
 * This node handles the pm-descriptors runtime xml element
 *
 * @author  Jerome Dochez
 * @version 
 */

public class PMDescriptorsNode extends RuntimeDescriptorNode {

    /** Creates new CmpNode */
    public PMDescriptorsNode() {
        registerElementHandler(new XMLElement(RuntimeTagNames.PM_DESCRIPTOR), 
                               PMDescriptorNode.class, "addPersistenceManager");
        registerElementHandler(new XMLElement(RuntimeTagNames.PM_INUSE), 
                               PMInUseNode.class, "setPersistenceManagerInUse");        
    }
	
    /**
     * 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, EjbBundleDescriptor descriptor) {
		
	Node pms = null;
	Vector pmDescriptors = descriptor.getPersistenceManagers();
	if (pmDescriptors!=null && !pmDescriptors.isEmpty()) {
            pms = super.writeDescriptor(parent, nodeName, descriptor);
            PMDescriptorNode pmNode = new PMDescriptorNode();
            
            for (Iterator pmIterator = pmDescriptors.iterator();pmIterator.hasNext();) {
                IASPersistenceManagerDescriptor pmDescriptor = (IASPersistenceManagerDescriptor) pmIterator.next();
                pmNode.writeDescriptor(pms, RuntimeTagNames.PM_DESCRIPTOR, pmDescriptor);
            }
            PersistenceManagerInUse inUse = descriptor.getPersistenceManagerInUse();
            if (inUse!=null) {
		PMInUseNode inUseNode = new PMInUseNode();
		inUseNode.writeDescriptor(pms, RuntimeTagNames.PM_INUSE, inUse);
            }
        }
	return pms;
    }
}