>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?
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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