package javaapplication31;

import org.jdesktop.beansbinding.Validator;

public abstract class TestValidator {
    final static Validator LoginValidator = new LoginValidator();
    
    
    private final static class LoginValidator extends Validator {
        private static int MIN_LOGIN_LENGTH = 6;

        @Override
        public Validator.Result validate(Object value) {
            String login = (String) value;
            String msg = ">>> Login is too short!!! <<<";

            if (login.length() < MIN_LOGIN_LENGTH) {
                System.out.println(msg);
                return new Validator.Result(null, "Empty value");
            } else {
                return null;
            }
        }
    }
}