javadev / pt-backend

import org.springframework.stereotype.Component;

import org.springframework.validation.Errors;

import org.springframework.validation.Validator;

@Component

public class NameValidator implements Validator {

    @Override

    public void validate(final Object obj, final Errors errors) {

        final String name = (String) obj;

        if (name == null || name.trim().isEmpty()) {

            errors.reject("name", "Invalid empty name");

            return;

        }

        if (name.trim().length() < 2) {

            errors.reject("name", "Name should be at least 2 characters");

        }

    }

}