import javax.xml.parsers.*;
import java.io.*;
import org.w3c.dom.*;

public class DocumentBuilderExample
{
    public static void main(String args[])
    {
        if (args.length < 1)
        {
            System.out.println("USAGE: java DocumentBuilderFactoryExample xmlfile");
            System.exit(1);
        }
        try
        {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            DocumentBuilder builder = factory.newDocumentBuilder();
            Document doc = builder.parse(new File(args[0]));
            Element root = doc.getDocumentElement();
            root.normalize();
            printNodes(root, System.out);
        } catch (Throwable t)
          {
            t.printStackTrace();
          }
    }
}