package javaapplication31;

import org.jdesktop.beansbinding.Validator;

public class LoginValidator extends Validator<String> {
    private static int MIN_LOGIN_LENGTH = 9;

    @Override
    public Validator<String>.Result validate(String login) {

        if (login.length() < MIN_LOGIN_LENGTH) {
            System.out.println(">>> Login is too short!!! <<<");
            return new Validator.Result(null, "Empty value");
        } else {
            System.out.println(">>> Login is valid. <<<");
            return null;
        }
    }
}