net.authorize.util

Class Luhn

java.lang.Object

net.authorize.util.Luhn

public class Luhn
extends java.lang.Object

See Also:

Luhn_algorithm (WikiPedia)

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Luhn()

Method Summary

Methods

Modifier and Type	Method and Description
static CardType	getCardType(java.lang.String cardNumber) Return the CardType by inspecting the first digits of the card number.
static java.lang.String	stripNonDigits(java.lang.String cardNumber) Strips non-digits from the cardNumber provided.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Luhn

protected Luhn()

Method Detail

stripNonDigits

public static java.lang.String stripNonDigits(java.lang.String cardNumber)

Strips non-digits from the cardNumber provided.

Parameters:

cardNumber -

Returns:

Return the cardNumber string stripped of everything but numeric digits.

getCardType

public static CardType getCardType(java.lang.String cardNumber)

Return the CardType by inspecting the first digits of the card number.

Parameters:

cardNumber -

Returns:

Return the CardType