IbanValidator class

IbanValidator.java

@Slf4j
public class IbanValidator implements ConstraintValidator<Iban, String> {

  @Override
  public boolean isValid(String value, ConstraintValidatorContext context) {
   if (value == null) {
     return false;
   }

  return Try.of(() -> {
    if (value.contains(" ")) {
      IbanUtil.validate(value, IbanFormat.Default);
    } else {
      IbanUtil.validate(value);
    }
    return true;
  })
    .onFailure(exc -> log.error("Invalid IBAN provided: {}", value, exc))
    .getOrElseGet(exc -> false);
  }
}