org.hibernate.validator.internal.constraintvalidators.bv.number.sign.PositiveValidatorForDouble 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 jakarta.validation.ConstraintValidator;
import jakarta.validation.ConstraintValidatorContext;
import jakarta.validation.constraints.Positive;
import org.hibernate.validator.internal.constraintvalidators.bv.number.InfinityNumberComparatorHelper;
/**
* Check that the number being validated is positive.
*
* @author Hardy Ferentschik
* @author Xavier Sosnovsky
* @author Guillaume Smet
* @author Marko Bekhta
*/
public class PositiveValidatorForDouble implements ConstraintValidator {
@Override
public boolean isValid(Double value, ConstraintValidatorContext context) {
// null values are valid
if ( value == null ) {
return true;
}
return NumberSignHelper.signum( value, InfinityNumberComparatorHelper.LESS_THAN ) > 0;
}
}