org.hibernate.validator.constraints.impl

Class CreditCardNumberValidator

java.lang.Object

org.hibernate.validator.constraints.impl.CreditCardNumberValidator

All Implemented Interfaces:

ConstraintValidator<CreditCardNumber,String>

public class CreditCardNumberValidator
extends Object
implements ConstraintValidator<CreditCardNumber,String>

Check a credit card number through the Luhn algorithm.

Author:

Emmanuel Bernard, Hardy Ferentschik

Constructor Summary

Constructors

Constructor and Description
CreditCardNumberValidator()

Method Summary

Methods

Modifier and Type	Method and Description
void	initialize(CreditCardNumber annotation) Initialize the validator in preparation for isValid calls.
boolean	isValid(String value, ConstraintValidatorContext context) Implement the validation logic.

Methods inherited from class java.lang.Object

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

Constructor Detail

CreditCardNumberValidator

public CreditCardNumberValidator()

Method Detail

initialize

public void initialize(CreditCardNumber annotation)

Description copied from interface: ConstraintValidator

Initialize the validator in preparation for isValid calls. The constraint annotation for a given constraint declaration is passed.

This method is guaranteed to be called before any use of this instance for validation.

Specified by:

initialize in interface ConstraintValidator<CreditCardNumber,String>

Parameters:

annotation - annotation instance for a given constraint declaration

isValid

public boolean isValid(String value,
              ConstraintValidatorContext context)

Description copied from interface: ConstraintValidator

Implement the validation logic. The state of value must not be altered. This method can be accessed concurrently, thread-safety must be ensured by the implementation.

Specified by:

isValid in interface ConstraintValidator<CreditCardNumber,String>

Parameters:

value - object to validate

context - context in which the constraint is evaluated

Returns:

false if value does not pass the constraint