Comparator executionPeriodComparator =
new BeanComparator("infoProfessorship.infoExecutionCourse.infoExecutionPeriod.semester");
Comparator nameComparator = new BeanComparator("infoProfessorship.infoExecutionCourse.nome");
chain.addComparator(executionPeriodComparator);
chain.addComparator(nameComparator);
Collections.sort(detailedInfoProfessorshipList, chain);
request.setAttribute("detailedProfessorshipList", detailedInfoProfessorshipList);
extraPreparation(userView, infoPerson, request, dynaForm);