<..DOMclone.java ..>

import java.io.*;
import javax.xml.parsers.*;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
public class DOMclone {
   public static void main(String args[])
              throws ParserConfigurationException,
                         SAXException, IOException  {
      DocumentBuilderFactory factory =
           DocumentBuilderFactory.newInstance();
      DocumentBuilder builder =
           factory.newDocumentBuilder();
      Document doc =
           builder.parse (new File(args[0]).toURL().toString());
      <.DOM clone .>
} }
class TreeTraverser{
     static String indent="";
   TreeTraverser (Node node){
     String s = node.getNodeValue();
     System.out.println( indent + node.getNodeName() );
     indent += "  ";
     if( node.hasChildNodes() ){
        NodeList children = node.getChildNodes();
        for(int i=0; i < children.getLength(); i++ ){
           new TreeTraverser ( children.item(i) );
     } }
     indent = indent.substring(2);
} }

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