org.hibernate.validator.internal.constraintvalidators.bv.number.sign.NegativeOrZeroValidatorForLong Maven / Gradle / Ivy
/*
* 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.bv.number.sign;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import javax.validation.constraints.NegativeOrZero;
/**
* Check that the number being validated is negative.
*
* @author Hardy Ferentschik
* @author Xavier Sosnovsky
* @author Guillaume Smet
* @author Marko Bekhta
*/
public class NegativeOrZeroValidatorForLong implements ConstraintValidator {
@Override
public boolean isValid(Long value, ConstraintValidatorContext context) {
// null values are valid
if ( value == null ) {
return true;
}
return NumberSignHelper.signum( value ) <= 0;
}
}