in src/main/java/org/apache/commons/validator/routines/CreditCardValidator.java [445:473]
public CreditCardValidator(final long options) {
if (isOn(options, VISA)) {
cardTypes.add(VISA_VALIDATOR);
}
if (isOn(options, VPAY)) {
cardTypes.add(VPAY_VALIDATOR);
}
if (isOn(options, AMEX)) {
cardTypes.add(AMEX_VALIDATOR);
}
if (isOn(options, MASTERCARD)) {
cardTypes.add(MASTERCARD_VALIDATOR);
}
if (isOn(options, MASTERCARD_PRE_OCT2016)) {
cardTypes.add(MASTERCARD_VALIDATOR_PRE_OCT2016);
}
if (isOn(options, DISCOVER)) {
cardTypes.add(DISCOVER_VALIDATOR);
}
if (isOn(options, DINERS)) {
cardTypes.add(DINERS_VALIDATOR);
}
}