On Tue, Apr 7, 2015 at 1:09 PM, Dan Haywood <[email protected]>
wrote:

> Not sure.
>
> As you know, I would like to refactor and simplify Isis' support for DI,
> ideally to use JEE standards (CDI) which would unify our own home-grown
> support and our use of Guice internally within the framework.
>
> I'm not exactly certain what that will look like, but it's possible that
> Guice might disappear in that refactoring.
>
> I'd rather use your time (and anyone else's) to help figure out what Isis'
> support for a CDI-based DI should look like, if possible?
>

Actually I've spent some time on this recently and the problem I've hit was
that CDI (Weld) doesn't give me access to the ServletContext so I was not
able to read the context params during the start of the app.
I'll take a deeper look at it soon.


>
> On the other hand, if you think that a combined Injector will help towards
> that objective, then by all means put something together to see we can
> learn something from it.
>

I think such combined injector will make it easier for the applications to
migrate later.

I'll keep you posted!


>
> cheers
> Dan
>
>
>
> On 7 April 2015 at 11:03, Martin Grigorov <[email protected]> wrote:
>
> > Hi Dan,
> >
> > On Tue, Apr 7, 2015 at 11:38 AM, Dan Haywood <
> [email protected]
> > >
> > wrote:
> >
> > > Martin's probably right... the LocationLookupService isn't injected
> > > properly.
> > >
> > > Just wanted to say that injecting into Wicket panels and pages is the
> > > exceptional case, rather than the norm.
> > >
> >
> > I was thinking about implementing a custom
> > org.apache.wicket.injection.Injector that will act as a composite for
> Guice
> > and Isis.
> > But reading your answer makes me think that this may be a bad practice.
> >
> >
> > >
> > > The more typical usage is injecting into domain objects (entities,
> > > services, view models) where injection happens automatically.  An
> example
> > > can be found in the ToDoItem class in the isis-app-todoapp [1].  The
> only
> > > requirement is annotating with @javax.inject.Inject.
> > >
> > > But if your code looks like this already then post a code snippet and
> > we'll
> > > see if we can help debug.
> > >
> > > Cheers
> > > Dan
> > >
> > >
> > > [1]
> > >
> > >
> >
> https://github.com/isisaddons/isis-app-todoapp/blob/468592629545ba1c817a1544697fe81e7ab2e5e4/dom/src/main/java/todoapp/dom/module/todoitem/ToDoItem.java#L967-L968
> > >
> > >
> > > On 7 April 2015 at 07:57, Martin Grigorov <[email protected]>
> wrote:
> > >
> > > > Hi,
> > > >
> > > > I seems LocationService isn't injected properly in your class, that's
> > why
> > > > it is null when you attempt to use it.
> > > > In what class do you inject it? Is it a Wicket component like Panel
> or
> > > > Page? In this case you have to look it up "manually".
> > > > See
> > > >
> > > >
> > >
> >
> https://github.com/apache/isis/blob/867188b865edaae77c4999c6059f79f0bc79b096/core/viewer-wicket/ui/src/main/java/org/apache/isis/viewer/wicket/ui/panels/PanelAbstract.java#L175
> > > >
> > > > Martin Grigorov
> > > > Freelancer, available for hire!
> > > > Wicket Training and Consulting
> > > > https://twitter.com/mtgrigorov
> > > >
> > > > On Mon, Apr 6, 2015 at 3:33 PM, German Vivero <
> > > > [email protected]> wrote:
> > > >
> > > > > Hi all, I have a problem runnign gmap addon.
> > > > >
> > > > > I write an entity following documentation, the app show me a map
> but
> > > when
> > > > > do a lookup to get a Location ocurrs a null point exception, on
> > > > > locationService.lookup(address), and if set a location as
> > > > -10.1111;10.1111
> > > > > isn't saved,I can modify and save all other propertiesof my entity
> > > > >
> > > > > My app use securty module it can interfer with gmap??
> > > > >
> > > > > tnk
> > > > > German Vivero
> > > > >
> > > >
> > >
> >
>

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