org.hibernate.validator.internal.util

Class ModUtil

java.lang.Object

org.hibernate.validator.internal.util.ModUtil

public final class ModUtil
extends Object

Helper class for modulo 10/11.

Author:

Hardy Ferentschik

Method Summary

Methods

Modifier and Type	Method and Description
static int	calculateLuhnMod10Check(List<Integer> digits) Calculate Luhn Modulo 10 checksum (Luhn algorithm implementation)
static int	calculateMod10Check(List<Integer> digits, int multiplier, int weight) Calculate Generic Modulo 10 checksum
static int	calculateMod11Check(List<Integer> digits) Calculate Modulo 11 checksum assuming that the threshold is Integer.MAX_VALUE
static int	calculateMod11Check(List<Integer> digits, int threshold) Calculate Modulo 11 checksum

Methods inherited from class java.lang.Object

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

Method Detail

calculateLuhnMod10Check

public static int calculateLuhnMod10Check(List<Integer> digits)

Calculate Luhn Modulo 10 checksum (Luhn algorithm implementation)

Parameters:

digits - The digits over which to calculate the checksum

Returns:

the result of the mod10 checksum calculation

calculateMod10Check

public static int calculateMod10Check(List<Integer> digits,
                      int multiplier,
                      int weight)

Calculate Generic Modulo 10 checksum

Parameters:

digits - The digits over which to calculate the checksum

multiplier - Multiplier used for the odd digits in the algorithm

weight - Multiplier used for the even digits in the algorithm

Returns:

the result of the mod10 checksum calculation

calculateMod11Check

public static int calculateMod11Check(List<Integer> digits,
                      int threshold)

Calculate Modulo 11 checksum

Parameters:

digits - the digits for which to calculate the checksum

threshold - the threshold for the Mod11 algorithm multiplier growth

Returns:

the result of the mod11 checksum calculation

calculateMod11Check

public static int calculateMod11Check(List<Integer> digits)

Calculate Modulo 11 checksum assuming that the threshold is Integer.MAX_VALUE

Parameters:

digits - the digits for which to calculate the checksum

Returns:

the result of the mod11 checksum calculation