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UserValidator.java
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UserValidator.java
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package com.hellokoding.account.validator;
import com.hellokoding.account.model.User;
import com.hellokoding.account.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;
@Component
public class UserValidator implements Validator {
@Autowired
private UserService userService;
@Override
public boolean supports(Class<?> aClass) {
return User.class.equals(aClass);
}
@Override
public void validate(Object o, Errors errors) {
User user = (User) o;
ValidationUtils.rejectIfEmptyOrWhitespace(errors, "username", "NotEmpty");
if (user.getUsername().length() < 6 || user.getUsername().length() > 32) {
errors.rejectValue("username", "Size.userForm.username");
}
if (userService.findByUsername(user.getUsername()) != null) {
errors.rejectValue("username", "Duplicate.userForm.username");
}
ValidationUtils.rejectIfEmptyOrWhitespace(errors, "password", "NotEmpty");
if (user.getPassword().length() < 8 || user.getPassword().length() > 32) {
errors.rejectValue("password", "Size.userForm.password");
}
if (!user.getPasswordConfirm().equals(user.getPassword())) {
errors.rejectValue("passwordConfirm", "Diff.userForm.passwordConfirm");
}
}
}