org.hibernate.validator.internal.constraintvalidators.hv.EANValidator Maven / Gradle / Ivy
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JSR 380's RI, Hibernate Validator version ${hibernate-validator.version} and its dependencies repackaged as OSGi bundle
/*
* Hibernate Validator, declare and validate application constraints
*
* License: Apache License, Version 2.0
* See the license.txt file in the root directory or .
*/
package org.hibernate.validator.internal.constraintvalidators.hv;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import org.hibernate.validator.constraints.EAN;
/**
* Checks that a given character sequence (e.g. string) is a valid EAN barcode.
*
* @author Hardy Ferentschik
*/
public class EANValidator implements ConstraintValidator {
private int size;
@Override
public void initialize(EAN constraintAnnotation) {
switch ( constraintAnnotation.type() ) {
case EAN8: {
size = 8;
break;
}
case EAN13: {
size = 13;
break;
}
}
}
@Override
public boolean isValid(CharSequence value, ConstraintValidatorContext context) {
if ( value == null ) {
return true;
}
int length = value.length();
return length == size;
}
}