Class LuhnValidator

  • All Implemented Interfaces:
    javax.validation.ConstraintValidator<Luhn,​String>

    public class LuhnValidator
    extends Object
    implements javax.validation.ConstraintValidator<Luhn,​String>
    The Luhn algorithm or Luhn formula, also known as the "modulus 10" or "mod 10" algorithm, is a simple checksum formula used to validate a variety of identification numbers
    Author:
    aripd.com
    • Constructor Detail

      • LuhnValidator

        public LuhnValidator()
    • Method Detail

      • initialize

        public void initialize​(Luhn constraintAnnotation)
        Specified by:
        initialize in interface javax.validation.ConstraintValidator<Luhn,​String>
      • isValid

        public boolean isValid​(String s,
                               javax.validation.ConstraintValidatorContext constraintContext)
        Specified by:
        isValid in interface javax.validation.ConstraintValidator<Luhn,​String>