return null;
} else {
AuthenticationInfoBuilder authenticationInfoBuilder = new AuthenticationInfoBuilder();
authenticationInfoBuilder.principalId(principal.getId()).name(principal.getEmployee().getName());
authenticationInfoBuilder.password(principal.getPassword()) ;
authenticationInfoBuilder.addUserInfo(UserInfo.EMPLOYEE_ID, principal.getEmployee().getId());
if (principal.getEmployee().getDepartment() != null) {
authenticationInfoBuilder.addUserInfo(UserInfo.DEPARTMENT_ID, principal.getEmployee().getDepartment().getId());