Package org.instancio.internal.util

Class LuhnUtils

java.lang.Object

org.instancio.internal.util.LuhnUtils

public final class LuhnUtils
extends Object

Method Summary

Modifier and Type	Method	Description
static int	getCheckDigit(char[] payload)
static boolean	isLuhnValid(int startIdx, int endIdx, int checkIdx, String s)	Check whether the given string conforms to the Luhn Modulo 10 checksum algorithm.
static boolean	isLuhnValid(String s)

Methods inherited from class java.lang.Object

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

Method Details

isLuhnValid

public static boolean isLuhnValid(String s)

isLuhnValid

public static boolean isLuhnValid(int startIdx,
 int endIdx,
 int checkIdx,
 String s)

Check whether the given string conforms to the Luhn Modulo 10 checksum algorithm.

See: Luhn algorithm.

Parameters:

startIdx - start index of the payload

endIdx - end index of the payload

checkIdx - index of the check digit

s - to check

Returns:

true if the specified range of the string passes the Luhn check

getCheckDigit

public static int getCheckDigit(char[] payload)