package jas2.util.xml;

import jas2.util.ColorConverter;
import org.w3c.dom.*;
import java.awt.Color;

/**
 * Utility class for traversing XML DOM trees
 */
public abstract class XMLNodeTraverser
{
	public void traverse(Node node) throws BadXMLException
	{
		if (node instanceof Element)
		{
			handleElementAttributes((Element) node);
		}
		for (Node n = node.getFirstChild(); n != null; n = n.getNextSibling())
		{
			handleSubNode(n,n.getNodeName());
		}
	}
	protected void handleSubNode(Node node, String name) throws BadXMLException
	{
        int type = node.getNodeType();
        switch (type) 
		{
            case Node.ELEMENT_NODE: 
				handleElement((Element) node,name);
				break;
			case Node.TEXT_NODE:
				handleTextNode((Text) node,name);
                break;
			default:
				handleOtherNode(node,name);
        }
	}
	protected void handleElementAttributes(Element node) throws BadXMLException
	{
		NamedNodeMap nnm = node.getAttributes();
		for (int i=0; i