paynet.utils
Class ModulusCheck

java.lang.Object
  paynet.utils.ModulusCheck

public class ModulusCheck
extends java.lang.Object

Constructor Summary

ModulusCheck()

Method Summary

static void

mod9(java.lang.String routingNumber) performs mod-9 check on a routing number - throws exception if the expected check digit (the last digit) is not as expected WEIGHTS: 3,7,1,3,7,1,3,7 ROUTING NUMBER with a check digit in the 9th position: example: 072401006 0*3 + 7*7 + 2*1 + 4*3 + 0*7 + 1*1 + 0*3 + 0*7 = 64 The check digit is the number which , when added to the sum produces a number ending in zero 64 + 6 = 70 The check digit in this case is 6

Methods inherited from class java.lang.Object

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

Constructor Detail

ModulusCheck

public ModulusCheck()

Method Detail

mod9

public static void mod9(java.lang.String routingNumber)
                 throws PaynetException

performs mod-9 check on a routing number - throws exception if the expected check digit (the last digit) is not as expected WEIGHTS: 3,7,1,3,7,1,3,7 ROUTING NUMBER with a check digit in the 9th position: example: 072401006 0*3 + 7*7 + 2*1 + 4*3 + 0*7 + 1*1 + 0*3 + 0*7 = 64 The check digit is the number which , when added to the sum produces a number ending in zero 64 + 6 = 70 The check digit in this case is 6

Parameters:

routingNumber -

Throws:

PaynetException