HttpSession session = request.getSession(false);
ActionForward result = null;
final CasConfig casConfig = CoreConfiguration.casConfig();
if (casConfig != null && casConfig.isCasEnabled()) {
if (request.getParameter("logoutFromCAS") != null && request.getParameter("logoutFromCAS").equals("true")) {
Authenticate.logout(session);
result = new ActionForward("/commons/blankWithTitle.jsp");
} else {
result = getCasLogoutActionForward(casConfig);