SessionUtils.validSessionVerification(request, mapping);
	public ActionForward viewClass(		ActionMapping mapping,		ActionForm form,		HttpServletRequest request,		HttpServletResponse response)		throws Exception {		String className = getClassName(form);		IUserView userView = SessionUtils.getUserView(request);		InfoClass classView =			getInfoTurma(userView, className, request.getSession(false));		setLessonListToSession(request.getSession(false), userView, className);		HttpSession session = request.getSession(false);		session.setAttribute(SessionConstants.CLASS_VIEW, classView);		return mapping.getInputForward();	}