import java.io.File;
import javax.xml.parsers.*;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;
import org.xml.sax.Locator;
import org.xml.sax.Attributes;

class SAXLoc {
  public static void main(String[] args) throws Exception {
    SAXParserFactory factory = SAXParserFactory.newInstance();
    SAXParser saxParser = factory.newSAXParser();
    XMLReader xmlReader = saxParser.getXMLReader();
    xmlReader.setContentHandler(
      new MyContentHandler(){   Locator locator;
public void setDocumentLocator(Locator locator){
  this.locator = locator;
}
public void startDocument(){ traceLoc( "start" ); }
public void startElement(String ns, String sname,
        String qName, Attributes atts) { traceLoc( qName ); }
void traceLoc( String s ){
   System.out.println( locator.getLineNumber() + ": " + s ); }
 }
    );
    xmlReader.parse( new File(args[0]).toURL().toString() );
} }