Leer Atributos de una Etiqueta XML

import javax.xml.parsers.SAXParser;

import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;

import org.xml.sax.SAXException;

import org.xml.sax.helpers.DefaultHandler;

public class LeerAtributoXML {

  public static void main(String[] argv) throws Exception {

    SAXParserFactory factory = SAXParserFactory.newInstance();

    SAXParser parser = factory.newSAXParser();