}
private ActionForward forwardToListThesisCreationPeriodsPage(ActionMapping mapping, HttpServletRequest request,
final ThesisCreationPeriodFactoryExecutor thesisCreationPeriodFactoryExecutor) {
if (thesisCreationPeriodFactoryExecutor.getExecutionDegree() == null) {
final ExecutionDegreesWithDissertationByExecutionYearProvider provider =
new ExecutionDegreesWithDissertationByExecutionYearProvider();
request.setAttribute("executionDegrees", provider.provide(thesisCreationPeriodFactoryExecutor, null));
}
return mapping.findForward("list-thesis-creation-periods");
}