@Override // implements abstract method
  public NVPList buildRequest(PaymentDTOEx payment, SvcType transaction)
      throws PluggableTaskException {
    NVPList request = new NVPList();

    request.add(PARAMETER_MERCHANT_ID, getMerchantId());
    request.add(PARAMETER_STORE_ID, getStoreId());
    request.add(PARAMETER_TERMINAL_ID, getTerminalId());
    request.add(PARAMETER_SELLER_ID, getSellerId());
    request.add(PARAMETER_PASSWORD, getPassword());

    ContactBL contact = new ContactBL();
    contact.set(payment.getUserId());

    request.add(WorldPayParams.General.STREET_ADDRESS, contact.getEntity().getAddress1());
    request.add(WorldPayParams.General.CITY, contact.getEntity().getCity());
    request.add(WorldPayParams.General.STATE, contact.getEntity().getStateProvince());
    request.add(WorldPayParams.General.ZIP, contact.getEntity().getPostalCode());

    request.add(WorldPayParams.General.FIRST_NAME, contact.getEntity().getFirstName());
    request.add(WorldPayParams.General.LAST_NAME, contact.getEntity().getLastName());
    request.add(WorldPayParams.General.COUNTRY, contact.getEntity().getCountryCode());

    request.add(WorldPayParams.General.AMOUNT, formatDollarAmount(payment.getAmount()));
    request.add(WorldPayParams.General.SVC_TYPE, transaction.getCode());

    CreditCardDTO card = payment.getCreditCard();
    request.add(WorldPayParams.CreditCard.CARD_NUMBER, card.getNumber());
    request.add(
        WorldPayParams.CreditCard.EXPIRATION_DATE,
        EXPIRATION_DATE_FORMAT.format(card.getCcExpiry()));

    if (card.getSecurityCode() != null) {
      request.add(
          WorldPayParams.CreditCard.CVV2,
          String.valueOf(payment.getCreditCard().getSecurityCode()));
    }

    return request;
  }
  private Integer getProcessResultId(CreditCardDTO card) {
    String cardNumber = card.getNumber();
    char last = (cardNumber.length() == 0) ? ' ' : cardNumber.charAt(cardNumber.length() - 1);

    switch (last) {
      case '2':
      case '4':
      case '6':
      case '8':
        return Constants.RESULT_OK;

      case '1':
      case '3':
      case '5':
      case '7':
      case '9':
        return Constants.RESULT_FAIL;

      default:
        return Constants.RESULT_UNAVAILABLE;
    }
  }
 public boolean accept(CreditCardDTO card) {
   String name = card.getName();
   return name != null && name.startsWith(myPrefix);
 }