if (!OrderStatus.IN_PROCESS.equals(order.getStatus()) && !OrderStatus.CSR_OWNED.equals(order.getStatus())) {
throw new IllegalArgumentException("Cannot apply another payment to an Order that is not IN_PROCESS or CSR_OWNED");
}
Customer customer = order.getCustomer();
if (customer.isAnonymous()) {
GatewayCustomerDTO<PaymentResponseDTO> gatewayCustomer = responseDTO.getCustomer();
if (StringUtils.isEmpty(customer.getFirstName()) && gatewayCustomer != null) {
customer.setFirstName(gatewayCustomer.getFirstName());
}
if (StringUtils.isEmpty(customer.getLastName()) && gatewayCustomer != null) {
customer.setLastName(gatewayCustomer.getLastName());
}
if (StringUtils.isEmpty(customer.getEmailAddress()) && gatewayCustomer != null) {
customer.setEmailAddress(gatewayCustomer.getEmail());
}
}
// If the gateway sends back an email address and the order does not contain one, set it.
GatewayCustomerDTO<PaymentResponseDTO> gatewayCustomer = responseDTO.getCustomer();