I would do something like this, because it's very reusable: Change your model from this: new PropertyModel(this, "ipLocationInfo.country")
to: new NotNullModel(new PropertyModel(this, "ipLocationInfo.country"), new StringResourceModel("nullValue", null)) Then add nullValue=FOO BAR to your properties (you get the idea) Here's that implementation: public class NotNullModel implements IModel { private static final long serialVersionUID = 1L; private final IModel mNestedModel; private final IModel mNullObjectModel; public NotNullModel(IModel model, IModel nullValueModel) { if (model == null || nullValueModel == null) { throw new IllegalArgumentException("nested model must be non-null"); } mNestedModel = model; mNullObjectModel = nullValueModel; } public Object getObject() { Object obj = mNestedModel.getObject(); return obj == null ? mNullObjectModel.getObject() : obj; } public void setObject(Object object) { mNestedModel.setObject(object); } public void detach() { mNestedModel.detach(); } } Jeremy Thomerson http://www.wickettraining.com On Mon, May 5, 2008 at 9:30 AM, AlexTM <[EMAIL PROTECTED]> wrote: > > Hi! > > I'm quite new to Wicket and help with something easy, i guess. > > I'm displaying some info on my page: > > add(new Label("country", new PropertyModel(this, > "ipLocationInfo.country"))); > > The country information is sometimes null and then i would like to display > "unknown" instead. Is this easily managed or do i have to change the > country > value of the ipLocationInfo object? > > Regards Alex > -- > View this message in context: > http://www.nabble.com/Display-a-String-when-null-tp17062912p17062912.html > Sent from the Wicket - User mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >