Java - linea y columna en un jtextarea??

jtextarea.addCaretListener( new CaretListener() {

     public void caretUpdate( CaretEvent e ) {

     int pos = e.getDot();

        try {

           int row = jtextarea.getLineOfOffset( pos ) + 1;

           int col = pos - jtextarea.getLineStartOffset( row - 1 ) + 1;

           jlabel.setText("Línea: " + row + " Columna: " + col );

       }

       catch( BadLocationException exc ){

           System.out.println(exc);

       }

    }

  });