@Override protected void _validate(List<ValidationWarning> warnings, VCardVersion version, VCard vcard) { super._validate(warnings, version, vcard); if (vcard.getKind() == null || !vcard.getKind().isGroup()) { warnings.add(new ValidationWarning(17)); } }
if (vcard.getKind() != null) isGroup = vcard.getKind().isGroup();