org.apache.wicket.validation.validator
Class CreditCardValidator

java.lang.Object
  org.apache.wicket.validation.validator.AbstractValidator<String>
      org.apache.wicket.validation.validator.CreditCardValidator

All Implemented Interfaces:

Serializable, IClusterable, INullAcceptingValidator<String>, IValidator<String>

public class CreditCardValidator
extends AbstractValidator<String>

Checks if a credit card number is valid. The number will be checked for "American Express", "China UnionPay", "Diners Club Carte Blanche", "Diners Club International", "Diners Club US & Canada", "Discover Card", "JCB", "Laser", "Maestro", "MasterCard", "Solo", "Switch", "Visa" and "Visa Electron". If none of those apply to the credit card number, the credit card number is considered invalid.

Card prefixes and lengths have been taken from Wikipedia.

Since:

1.2.6

Author:

Johan Compagner, Joachim F. Rohde

See Also:

Serialized Form

Field Summary

static int	AMERICAN_EXPRESS
static int	CHINA_UNIONPAY
static int	DINERS_CLUB_CARTE_BLANCHE
static int	DINERS_CLUB_INTERNATIONAL
static int	DINERS_CLUB_US_AND_CANADA
static int	DISCOVER_CARD
static int	INVALID
static int	JCB
static int	LASER
static int	MAESTRO
static int	MASTERCARD
static int	SOLO
static int	SWITCH
static int	VISA
static int	VISA_ELECTRON

Constructor Summary

CreditCardValidator()

Method Summary

protected boolean	isUnknown(String creditCardNumber) Can be used (subclassed) to extend the test with a credit card not yet known by the validator.
protected void	onValidate(IValidatable<String> validatable) Validates the IValidatable instance.

Methods inherited from class org.apache.wicket.validation.validator.AbstractValidator

error, error, error, error, messageModel, resourceKey, resourceKey, validate, validate, validateOnNullValue, variablesMap

Methods inherited from class java.lang.Object

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

Field Detail

INVALID

public static final int INVALID

See Also:

Constant Field Values

AMERICAN_EXPRESS

public static final int AMERICAN_EXPRESS

See Also:

Constant Field Values

CHINA_UNIONPAY

public static final int CHINA_UNIONPAY

See Also:

Constant Field Values

DINERS_CLUB_CARTE_BLANCHE

public static final int DINERS_CLUB_CARTE_BLANCHE

See Also:

Constant Field Values

DINERS_CLUB_INTERNATIONAL

public static final int DINERS_CLUB_INTERNATIONAL

See Also:

Constant Field Values

DINERS_CLUB_US_AND_CANADA

public static final int DINERS_CLUB_US_AND_CANADA

See Also:

Constant Field Values

DISCOVER_CARD

public static final int DISCOVER_CARD

See Also:

Constant Field Values

JCB

public static final int JCB

See Also:

Constant Field Values

LASER

public static final int LASER

See Also:

Constant Field Values

MAESTRO

public static final int MAESTRO

See Also:

Constant Field Values

MASTERCARD

public static final int MASTERCARD

See Also:

Constant Field Values

SOLO

public static final int SOLO

See Also:

Constant Field Values

SWITCH

public static final int SWITCH

See Also:

Constant Field Values

VISA

public static final int VISA

See Also:

Constant Field Values

VISA_ELECTRON

public static final int VISA_ELECTRON

See Also:

Constant Field Values

Constructor Detail

CreditCardValidator

public CreditCardValidator()

Method Detail

onValidate

protected void onValidate(IValidatable<String> validatable)

Description copied from class: AbstractValidator

Validates the IValidatable instance.

Specified by:

onValidate in class AbstractValidator<String>

Parameters:

validatable - the given IValidatable instance

See Also:

AbstractValidator.onValidate(IValidatable)

isUnknown

protected boolean isUnknown(String creditCardNumber)

Can be used (subclassed) to extend the test with a credit card not yet known by the validator.

Parameters:

creditCardNumber - the credit card number as a string

Returns:

TRUE if the credit card number seems to be a valid American Express number. Else FALSE will be returned