// ======================================= Private Methods ==========================================
// ==================================================================================================
private void doAuthorization(HttpServletRequest request) throws Exception {
UserPrivilegeVo vo = new UserPrivilegeVo();
vo.setPrivilegeType(TypeUtil.forKey(UserPrivilegeType.class, UserPrivilegeType.Key.MANAGE_USERS_KEY.getKey()));
vo.setActionType(TypeUtil.forKey(PrivilegeActionType.class, PrivilegeActionType.Key.READ_WRITE_KEY.getKey()));
checkAuthorization(userHasPrivilege(request.getSession(), vo));
}