private Locale getUserLocale(final HttpServletRequest request) {
   Locale locale = null;
   HttpSession session = request.getSession();
   if (session != null) {
     UserContext userContext = (UserContext) session.getAttribute(LoginConstants.USERCONTEXT);
     if (null != userContext) {
       locale = userContext.getCurrentLocale();
     }
   }
   return locale;
 }