package com.yugabyte.app.yugastore.validator; import com.yugabyte.app.yugastore.model.User; import com.yugabyte.app.yugastore.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"); } } }