How should Wicket react to this?
public MyPage() {
add(new MyForm("form", new CompoundPropertyModel(null)));
}
public class MyForm extends Form {
public MyForm(String id, IModel model) {
super(id, model);
add(new TextField("name"));
}
}
This is what you propose... How should Wicket on submission populate the
name field? How can we 'decide' that this is a Person object?
If you go this way, then you are back in parsing request parameters by
hand again... Go Struts!
Martijn
Eelco Hillenius wrote:
Unfortunately, I don't own an Apple. Martijn does though :)
I don't agree with Martijn actually. Like I said, we have had
developer discussions about this before. I think we should allow nulls
in all our models. I can't see anything wrong with that. Just an
'empty' case. And even if we decided (like it seems we did) that nulls
are not allowed, we should /fail fast/ instead of not until the actual
model object is requested. And as that is not something that is
possible at construction time a lot of times, I think we should make
sure we allow nulls.
Eelco
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