public static final TSUser getSessionUserName() {
   HttpSession session = ContextHolderUtils.getSession();
   if (ClientManager.getInstance().getClient(session.getId()) != null) {
     return ClientManager.getInstance().getClient(session.getId()).getUser();
   }
   return null;
 }
 @Deprecated
 public static final List<TSRoleFunction> getSessionTSRoleFunction(String roleId) {
   HttpSession session = ContextHolderUtils.getSession();
   if (session.getAttributeNames().hasMoreElements()) {
     List<TSRoleFunction> TSRoleFunctionList = (List<TSRoleFunction>) session.getAttribute(roleId);
     if (TSRoleFunctionList != null) {
       return TSRoleFunctionList;
     } else {
       return null;
     }
   } else {
     return null;
   }
 }