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Re: [jersey-dev] Internal request with new UriInfo
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Can we have a proper mechanism for this though? Which is pretty much
what https://github.com/eclipse-ee4j/jersey/issues/2444 is about.
I still haven't seen any explanation as to why this was removed in 2.x.
On Tue, Oct 20, 2020 at 11:15 AM Jan Supol <jan.supol@xxxxxxxxxx> wrote:
>
> You may use something like:
>
> @Path("/")
> public static class Resource {
> @Path("/sub")
> public Class<SubResource> getSub() {
> return SubResource.class;
> }
>
> @GET @Path("/get")
> public String get(@Context UriInfo info,
> @Context ContainerRequest request,
> @Context Configuration config)throws ExecutionException,InterruptedException {
> ContainerRequest cr =new ContainerRequest(info.getBaseUri(),URI.create(info.getBaseUri() +"sub"),HttpMethod.GET,
> null, request.getPropertiesDelegate(), config);
> ApplicationHandler applicationHandler =new ApplicationHandler(new ResourceConfig(Resource.class,SubResource.class));
> ContainerResponse containerResponse =applicationHandler.apply(cr).get();
> Response r =new OutboundJaxrsResponse.Builder(containerResponse.getWrappedMessageContext()).build();
> return r.getEntity().toString();
> }
> }
>
> But I am not sure it is less code than implementing the UriInfo...
>
> -- Jan
>
> On 20.10.2020 10:17, Martynas Jusevičius wrote:
> > Yes!
> >
> > Because
> > a) HTTP incurs overhead
> > b) filters such as access control would apply that could produce a
> > different response (although a related use case would be to make such
> > "internal request" and still have the request/response filters apply)
> >
> > On Tue, Oct 20, 2020 at 10:14 AM Jan Supol <jan.supol@xxxxxxxxxx> wrote:
> >> So if I understand it correctly, what you want is to create a request to
> >> another resource, but without wiring it through the HTTP?
> >>
> >> On 19.10.2020 21:20, Martynas Jusevičius wrote:
> >>> But how do I then obtain an instance of the subresource and call
> >>> methods on it? E.g. post().
> >>>
> >>> I'm also reading paths from data, so hardcoding them in @Path would be
> >>> less flexible.
> >>>
> >>> On Mon, Oct 19, 2020 at 7:43 PM Jan Supol <jan.supol@xxxxxxxxxx> wrote:
> >>>> In Jersey, you can have something like:
> >>>>
> >>>> public static class SubResource {
> >>>> private UriInfo uriInfo;
> >>>> public SubResource(@Context UriInfo info) {
> >>>> this.uriInfo = info;
> >>>> }
> >>>>
> >>>> @GET public String get() {
> >>>> return uriInfo.getAbsolutePath().toASCIIString();
> >>>> }
> >>>> }
> >>>>
> >>>> @Path("/")
> >>>> public static class Resource {
> >>>> @Path("/sub")
> >>>> public Class<SubResource> getSub() {
> >>>> return SubResource.class;
> >>>> }
> >>>> }
> >>>>
> >>>> Would that help?
> >>>>
> >>>> -- Jan
> >>>>
> >>>> On 19.10.2020 18:29, Martynas Jusevičius wrote:
> >>>>> Thanks. Yes I instantiate Resource on my own.
> >>>>>
> >>>>> It’s because in 2.x there does not seem to be any mechanism to lookup
> >>>>> resource by URI? While in 1.x there was ResourceContext.matchResource():
> >>>>> https://urldefense.com/v3/__https://github.com/eclipse-ee4j/jersey/issues/2444__;!!GqivPVa7Brio!LQ4FY4Sfb1IZnNQVW6w1HPtnwnjUmBsVG02dVkhS9jFvjbnSVDFZcWeVUfvfMuO_$
> >>>>> <https://urldefense.com/v3/__https://github.com/eclipse-ee4j/jersey/issues/2444__;!!GqivPVa7Brio!MCnZgqZ74rdUzIsS0up_Y_xaZgn3GmUi5SyIzdbytctEyUnsxO8ofcX3OkXS7ljX$>
> >>>>> The issue is now 7 years old - how come it’s not implemented in 2.x?
> >>>>>
> >>>>> So I need my own UriInfo implementation? Or can I reuse one somehow?
> >>>>>
> >>>>> On Mon, 19 Oct 2020 at 18.16, Jan Supol <jan.supol@xxxxxxxxxx
> >>>>> <mailto:jan.supol@xxxxxxxxxx>> wrote:
> >>>>>
> >>>>> So you instantiate the Resource class on your own? I am afraid
> >>>>> that you
> >>>>> need to instantiate the correct UriInfo on your own, too.
> >>>>>
> >>>>> For the sub-resource case, JAX-RS Spec. Section 3.2 says: Objects
> >>>>> returned by sub-resource locators (see Section 3.4.1) are expected
> >>>>> to be
> >>>>> initialized by their creator.
> >>>>>
> >>>>> Thanks,
> >>>>>
> >>>>> Jan
> >>>>>
> >>>>> On 19.10.2020 17:23, Martynas Jusevičius wrote:
> >>>>> > Hi Jan,
> >>>>> >
> >>>>> > OK let me try to explain.
> >>>>> >
> >>>>> > Lets say Resource is constructed with UriInfo where
> >>>>> >
> >>>>> requestUri=https://urldefense.com/v3/__https://localhost/some/path__;!!GqivPVa7Brio!MS_K1k3MXtVAEn9RUvumFbiAbJ9aUw7G7CZOzleix_3dgXbCtfyJaMIXnN-hW5Em$
> >>>>> >
> >>>>> > But then I want to create another Resource and execute its
> >>>>> methods as
> >>>>> > if it was a completely new request, e.g.
> >>>>> >
> >>>>> requestUri=https://urldefense.com/v3/__https://localhost/another/path__;!!GqivPVa7Brio!MS_K1k3MXtVAEn9RUvumFbiAbJ9aUw7G7CZOzleix_3dgXbCtfyJaMIXnLGxbHlH$
> >>>>> >
> >>>>> > So the same UriInfo does not apply. Nor is this a sub-resource case.
> >>>>> >
> >>>>> > On Mon, Oct 19, 2020 at 5:16 PM Jan Supol <jan.supol@xxxxxxxxxx
> >>>>> <mailto:jan.supol@xxxxxxxxxx>> wrote:
> >>>>> >> Hi,
> >>>>> >>
> >>>>> >> I am not sure I follow. Unless the resource is specified as a
> >>>>> singleton
> >>>>> >> (either by using the @Singleton annotation) or by
> >>>>> >> Application.getSingletons(), the Resource classes are
> >>>>> instantiated per
> >>>>> >> request, so you should have the proper UriInfo.
> >>>>> >>
> >>>>> >> Note that you may also inject @Context UriInfo as a post method
> >>>>> argument.
> >>>>> >>
> >>>>> >> Thanks,
> >>>>> >>
> >>>>> >> Jan
> >>>>> >>
> >>>>> >> On 19.10.2020 16:34, Martynas Jusevičius wrote:
> >>>>> >>> Hi,
> >>>>> >>>
> >>>>> >>> say I have a resource class with a UriInfo constructor and a
> >>>>> @POST method.
> >>>>> >>>
> >>>>> >>> How do I call post() on a new Resource with a new UriInfo with a
> >>>>> >>> different requestUri?
> >>>>> >>>
> >>>>> >>> public class Resource
> >>>>> >>> {
> >>>>> >>>
> >>>>> >>> @Inject
> >>>>> >>> public Resource(UriInfo uriInfo)
> >>>>> >>> {
> >>>>> >>> ...
> >>>>> >>> }
> >>>>> >>>
> >>>>> >>> @POST
> >>>>> >>> public post(Model model)
> >>>>> >>> {
> >>>>> >>> // use getUriInfo() here
> >>>>> >>> ...
> >>>>> >>> // forward POST -- how to construct UriInfo with an
> >>>>> arbitrary
> >>>>> >>> requestUri?
> >>>>> >>> new Resource(???).post(newModel);
> >>>>> >>> ...
> >>>>> >>> }
> >>>>> >>>
> >>>>> >>> }
> >>>>> >>>
> >>>>> >>>
> >>>>> >>> Martynas
> >>>>> >>> _______________________________________________
> >>>>> >>> jersey-dev mailing list
> >>>>> >>> jersey-dev@xxxxxxxxxxx <mailto:jersey-dev@xxxxxxxxxxx>
> >>>>> >>> To unsubscribe from this list, visit
> >>>>> https://urldefense.com/v3/__https://www.eclipse.org/mailman/listinfo/jersey-dev__;!!GqivPVa7Brio!Ll-NKpZ9Yae48eNnU-pgrlG-iFyaoR8gSuX7AC88OCuRiyVdKTD6GuxH4cVJ3nxa$
> >>>>> >> _______________________________________________
> >>>>> >> jersey-dev mailing list
> >>>>> >> jersey-dev@xxxxxxxxxxx <mailto:jersey-dev@xxxxxxxxxxx>
> >>>>> >> To unsubscribe from this list, visit
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> >>>>> > _______________________________________________
> >>>>> > jersey-dev mailing list
> >>>>> > jersey-dev@xxxxxxxxxxx <mailto:jersey-dev@xxxxxxxxxxx>
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> >>>>> _______________________________________________
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> >>>>>
> >>>>>
> >>>>> _______________________________________________
> >>>>> jersey-dev mailing list
> >>>>> jersey-dev@xxxxxxxxxxx
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> >>>> _______________________________________________
> >>>> jersey-dev mailing list
> >>>> jersey-dev@xxxxxxxxxxx
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> >>> _______________________________________________
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> >> _______________________________________________
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> > _______________________________________________
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