On May 19, 2009, at 4:51 PM, Rabick, Mark A (IS) wrote:
>> It is possible to inject information into sub-resources using the
> ResourceContext class.
>
> So based on the above statement, will the retrieved sub-resource
> instance perform injection of its @Context elements as well as other
> @Provider injections like an InjectableProvider like annotation
> mappers?
>
Yes, the returned instance is a managed instance, so it will also be
scoped according to the life-cycle. It should work no matter how the
component is managed, by Jersey, Guice, Spring, or EJB integration
with GF v3.
Paul.
> Ie.
>
> @Provider
> public class EJBProvider implements InjectableProvider<EJB, Type>
>
> For injecting ejb-s using the javax.ejb.EJB annotation of session bean
> remotes?
>
> -mark
>
> _______________________________________________
> Mark A. Rabick - Software Engineer
> Em: mark.rabick_at_ngc.com
>
>
>
>> -----Original Message-----
>> From: Paul.Sandoz_at_Sun.COM [mailto:Paul.Sandoz_at_Sun.COM]
>> Sent: Tuesday, May 19, 2009 8:09 AM
>> To: users_at_jersey.dev.java.net
>> Subject: Re: [Jersey] Design Question / Sub Resources
>>
>>
>> On May 19, 2009, at 12:31 PM, aloleary wrote:
>>
>>>
>>> Hello,
>>> I may be having a slow day today but I'm trying to figure
>> out how to
>>> do the following:
>>>
>>> Very simple example: I have two root "resource" providers:
>>>
>>> /headoffice
>>>
>>> /branch
>>>
>>> where:
>>> GET on /headoffice returns a list of headoffice names GET on
>>> /branchreturns a list of all branch names
>>>
>>> I would like to use the BranchResource as a Sub Resource
>> provider on
>>> HeadOfficeResource for re-use and to offer calls like:
>>>
>>> /headoffice/{id}/branch
>>> /headoffice/{id}/branch/{id} etc...
>>>
>>> So now the branch resource is providing information on the
>> branch but
>>> scoped for a specific headoffice (the headoffice 'id' would
>> be used in
>>> DB queries
>>> etc)
>>>
>>> However Im not sure how to annotate the HeadOfficeResource to allow
>>> this
>>>
>>> @Path("/headoffice")
>>> public cleass HeadOfficeResource {
>>>
>>> ....
>>>
>>> // ------------------------------------
>>> // Sub Resources
>>>
>>> @Path("{id}/branch") << ??
>>> public BranchResource getBranchResource(); << ??
>>>
>>> }
>>>
>>> I know there is no injection done for sub resources so
>> there is no way
>>> for me to get access to this particular {id} so is it a case of
>>> supplying the
>>> getBranchResource() with the id as a constructor param and
>> using that
>>> with the calls i.e.:
>>>
>>> public BranchResource getBranchResource(@PathParam("id")
>> final String
>>> headOfficeId) {
>>> return new BranchResource(headOfficeId); }
>>>
>>> Is there a better more JAX-RS/Jersey way of approaching this ?
>>>
>>> I would like to avoid having GlobalBranchResource and
>>> HeadOfficeSpecifcBranchResource ;-) if possible
>>>
>>
>> I think subclassing might be a good solution in some
>> circumstances if the subclass contains specific information
>> related to the scoping that is not present in the base class.
>>
>>
>> It is possible to inject information into sub-resources using
>> the ResourceContext class.
>>
>> @Path("{id}/branch")
>> public BranchResource getBranchResource(@Context ResourceContext
>> rc) {
>> ScopedBranchResource sbr =
>> rc.getReource(ScopedBranchResource.class);
>> ...
>> return sbr;
>> }
>>
>>
>> As of yet i have not been able to come up with a satisfactory
>> solution for construction with type safe parameters and injection.
>>
>> Paul.
>>
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>>
>
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