public WrapperObject convert(String source, Type<? extends WrapperObject> destinationType) { if (source == null) { return null; } else { WrapperObject result = new WrapperObject(); result.setId(source); return result; } }
public String convert(WrapperObject source, Type<? extends String> destinationType) { if (source == null) { return null; } else { return source.getId(); } }