ValidationFooValidator.java

package org.jboss.resteasy.test.validation.resource;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

public class ValidationFooValidator implements ConstraintValidator<ValidationFooConstraint, ValidationFoo> {
    int min;
    int max;

    public void initialize(ValidationFooConstraint constraintAnnotation) {
        min = constraintAnnotation.min();
        max = constraintAnnotation.max();
    }

    public boolean isValid(ValidationFoo value, ConstraintValidatorContext context) {
        return min <= value.s.length() && value.s.length() <= max;
    }
}