Thanks for the feedback, Igor, nice idea.
About the page factory exception, in fact I have nonbookmarkablepages
mounted as if they were, just to makeup the url's, like this:
mount(new HybridUrlCodingStrategy("/pageA", PageA.class));
So that when the user enters PageA (no default constructor - non
bookmarkable), he gets on the browser's location bar:
http://myapplication/pageA[.x]
Maybe it's a little weird, but it's working for me :)
Cheers,
Xavier
2010/4/16 Igor Vaynberg <igor.vaynb...@gmail.com>
> use a decorator, wrap the default factory, catch the exception,
> transform it into something else.
>
> although, if your users are bookmarking a non-bookmarkable url you
> should get a page expired error. page factory is only used for
> creating bookmarkable pages.
>
> -igor
>
> On Fri, Apr 16, 2010 at 1:37 AM, Xavier López <xavil...@gmail.com> wrote:
> > Hi there,
> >
> > I'm trying to find an elegant way to detect the cases where a user tries
> to
> > access a nonbookmarkablepage with a bookmark. From the stack trace
> produced
> > in this case, I see this situation is handled in
> > DefaultPageFactory#newPage(Class pageClass), like this:
> >
> > ....
> > catch (NoSuchMethodException e)
> > {
> > // a bit of a hack here..
> > Constructor constructor = constructor(pageClass,
> > PageParameters.class);
> > if (constructor != null)
> > {
> > return newPage(constructor, new PageParameters());
> > }
> > else
> > {
> > throw new WicketRuntimeException("Unable to create page
> from
> > " + pageClass +
> > ". Class does not have a default contructor", e);
> > }
> > }
> >
> >
> > I would like to present a custom page explaining the circumstances with a
> > nice link to the starting place where to navigate from.
> > I don't really like treating this situation as a WicketRuntimeException
> and
> > have it bubbling up to an internalerrorpage, because of the little
> > information on the exception thrown (i don't like identifying it by its
> > text, or nested exception type).
> >
> > Unfortunately, DefaultPageFactory#newPage(Class pageClass) is final, so
> this
> > behavior can not be overriden. Is providing a custom implementation of
> > IPageFactory the best approach to this issue ? Any other way around ?
> >
> > Cheers,
> > Xavier
> >
>
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