Hi Bill
On 30/08/12 23:21, Bill Burke wrote:
> Here's an example of a user trying to use ContextResolver to inject a
> dependency and realizing that CDI provides a much better solution.
>
I agree with Marek that CDI is not the only solution that users may want
to try; I see that Duncan is more concerned about meeting EE programming
model/etc as opposed to trying to write a more neutral code, which is
what JAX-RS can and should offer; (still not happy about
ResourceContext, but...)
Sergey
> 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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>>
>>
>> ------------------------------------------------------------------------------
>>
>> 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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>