package com.fastcampus.ch2;

import org.springframework.validation.Errors;

import org.springframework.validation.ValidationUtils;

import org.springframework.validation.Validator;

public class UserValidator implements Validator {

@Override

public boolean supports(Class<?> clazz) {

// return User.class.equals(clazz); // 검증하려는 객체가 User타입인지 확인

return User.class.isAssignableFrom(clazz); // clazz가 User 또는 그 자손인지 확인

}

@Override

public void validate(Object target, Errors errors) {

System.out.println("LocalValidator.validate() is called");

User user = (User)target;

String id = user.getId();

// if(id==null || "".equals(id.trim())) {

// errors.rejectValue("id", "required");

// }

ValidationUtils.rejectIfEmptyOrWhitespace(errors, "id", "required");

ValidationUtils.rejectIfEmptyOrWhitespace(errors, "pwd", "required");

if(id==null || id.length() < 5 || id.length() > 12) {

errors.rejectValue("id", "invalidLength");

}

}

}