Here's an example of a user trying to use ContextResolver to inject a
dependency and realizing that CDI provides a much better solution.
On 8/30/2012 3:13 PM, Duncan Bloem wrote:
> Thank you.
>
> Although the @Context Providers solution does work, I have chosen the
> CDI path to comply more to EE programming model.
>
> Regards,
> Duncan
>
> On Thu, Aug 30, 2012 at 4:58 PM, Bill Burke <bburke_at_redhat.com
> <mailto:bburke_at_redhat.com>> wrote:
>
> Its sort of a bug.
>
> ContextResolver wasn't supposed to be used in the way your example was
> written, it really was supposed to be used in conjunction with the
> Providers interface:
>
> @Context
> protected Providers providers;
>
>
> public JAXBContext findProvidedJAXBContext(Class<?> type, MediaType
> mediaType)
> throws JAXBException
> {
> JAXBContext jaxb = null;
> ContextResolver<JAXBContext> resolver =
> providers.getContextResolver(JAXBContext.class, mediaType);
> if (resolver != null)
> {
> jaxb = resolver.getContext(type);
> if (jaxb != null) return jaxb;
> }
> return jaxb;
> }
>
> The above is taken from our MessageBodyReader/Writer support for JAXB.
> It allows people to personally configure JAXB for a specific media type
> and for a specific java type.
>
> IMO, you should be using it in this way, or instead, use CDI, Spring,
> Guice, EJB or whatever for your dependenncy injection.
>
>
> On 8/30/2012 6:28 AM, Duncan Bloem wrote:
> > Hi,
> >
> > I have made a very simple pure JAX-RS demo application.
> > You can find it here: https://github.com/dabloem/jaxrs
> >
> > When deployed to JBoss As 7.1.0, the application does not inject
> > MyResolver into field @Context ContextResolver<MyObject> within
> > GenericResource. It is always null.
> >
> > When deployed to GF3.1.2, injections works fine.
> >
> > It looks like I am missing something to register the
> ContextResolver in
> > RestEasy, but I could not find any documentation or example.
> >
> > Any suggestions are welcome, thanks.
> >
> > Duncan
> >
> >
> >
> >
> >
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> >
> >
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>
> --
> Bill Burke
> JBoss, a division of Red Hat
> http://bill.burkecentral.com
>
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> threat landscape has changed and how IT managers can respond.
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> will include endpoint security, mobile security and the latest in
> malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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>
>
>
> ------------------------------------------------------------------------------
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>
>
>
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Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com