How to use

getCurrency

method

in

com.aoindustries.creditcards.TransactionRequest

String isoCode = transactionRequest.getCurrency().getCurrencyCode();
if(isoCode.equals("USD")) currencyCode = "840";
else {

try {
  if(!transactionRequest.getCurrency().getCurrencyCode().equals("USD")) throw new ErrorCodeException(TransactionResult.ErrorCode.INVALID_CURRENCY_CODE, "TransactionResult.ErrorCode.INVALID_CURRENCY_CODE");

Currency currency = transactionRequest.getCurrency();
int currencyDigits = currency.getDefaultFractionDigits();
if(currencyDigits < 0) throw new AssertionError("currencyDigits < 0: " + currencyDigits);

BigDecimal dutyAmount = transactionRequest.getDutyAmount();
if(dutyAmount!=null) amount = amount.add(dutyAmount);
invoice.setAmt(new Currency(amount.doubleValue(), transactionRequest.getCurrency().getCurrencyCode()));
if(taxAmount!=null) invoice.setTaxAmt(new Currency(taxAmount.doubleValue(), transactionRequest.getCurrency().getCurrencyCode()));
invoice.setTaxExempt(transactionRequest.getTaxExempt() ? "Y" : "N");
if(shippingAmount!=null) invoice.setFreightAmt(new Currency(shippingAmount.doubleValue(), transactionRequest.getCurrency().getCurrencyCode()));
if(dutyAmount!=null) invoice.setDutyAmt(new Currency(dutyAmount.doubleValue(), transactionRequest.getCurrency().getCurrencyCode()));

private AuthorizationResult saleOrAuthorize(TransactionRequest transactionRequest, CreditCard creditCard, boolean capture) {
  if(!transactionRequest.getCurrency().getCurrencyCode().equals("USD")) {