SessionUtils.validSessionVerification(request, mapping);
	public ActionForward removeClassShift(		ActionMapping mapping,		ActionForm form,		HttpServletRequest request,		HttpServletResponse response)		throws Exception {			HttpSession session = request.getSession(false);		IUserView userView = SessionUtils.getUserView(request);		InfoShift infoShift = getInfoShift(request, SessionConstants.CLASS_INFO_SHIFT_LIST_KEY);		InfoClass classView = getInfoTurma(request);				Object[] argsRemoverTurno = { infoShift, classView };		ServiceUtils.executeService(userView, "RemoverTurno", argsRemoverTurno);		setClassShiftListToRequest(request, userView, classView.getNome());		session.setAttribute(SessionConstants.CLASS_INFO_SHIFT_LIST_KEY, request.getAttribute(SHIFT_LIST_ATT));		session.removeAttribute(SessionConstants.AVAILABLE_INFO_SHIFT_LIST_KEY);						session.setAttribute(SessionConstants.CLASS_VIEW, classView);		return mapping.findForward("viewClassShiftList");	}