org.hibernate.validator.CreditCardNumber Maven / Gradle / Ivy

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Following the DRY (Don't Repeat Yourself) principle, Hibernate Validator let's you express your domain constraints once (and only once) and ensure their compliance at various level of your system automatically.

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//$Id: CreditCardNumber.java 15133 2008-08-20 10:05:57Z hardy.ferentschik $
package org.hibernate.validator;

import java.lang.annotation.Documented;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import java.lang.annotation.ElementType;
import java.lang.annotation.RetentionPolicy;

/**
 * The annotated element has to represent a valid
 * credit card number. This is the Luhn algorithm implementation
 * which aims to check for user mistake, not credit card validity!
 *
 * @author Emmanuel Bernard
 */
@Documented
@ValidatorClass( CreditCardNumberValidator.class)
@Target({ElementType.METHOD, ElementType.FIELD})
@Retention( RetentionPolicy.RUNTIME )
public @interface CreditCardNumber {
	String message() default "{validator.creditCard}";
}