public ActionForward viewStudentsEnroled(ActionMapping mapping, ActionForm form, HttpServletRequest request,
HttpServletResponse response) throws Exception {
InfoShift infoShift = (InfoShift) request.getAttribute(PresentationConstants.SHIFT);
ShiftKey shiftKey = new ShiftKey(infoShift.getNome(), infoShift.getInfoDisciplinaExecucao());
List<InfoStudent> students = LerAlunosDeTurno.run(shiftKey);
Collections.sort(students, new BeanComparator("number"));