On Jul 10, 2009, at 10:10 AM, Michael Elman wrote:
> Actually I don't have a real use case. At least not yet.
> But here is an issue about it in Apache Wink jira: https://issues.apache.org/jira/browse/WINK-47
>
OK. I think a more likely occurrence is a provider annotated with a
media type wildcard (or not annotated at all which is equivalent to
being annotated with */*). If you ask for a provider for text/plain
and there is one annotated with */* then that provider should be
returned.
Marc.
>
> On Fri, Jul 10, 2009 at 5:02 PM, Marc Hadley <Marc.Hadley_at_sun.com>
> wrote:
> On Jul 10, 2009, at 9:47 AM, Michael Elman wrote:
>
> So it seems to be bug in Jersey.
> If I declare the following ContextResolver:
>
> @Provider
> @Produces(MediaType.APPLICATION_FORM_URLENCODED)
> public class MyContextResolver implements
> ContextResolver<MyContextResolver.MyClass> {
>
> private static final MyClass MYCLASS = new MyClass();
>
> public static class MyClass {
>
> }
>
> public MyClass getContext(Class<?> type) {
> return MYCLASS;
> }
> }
>
>
> "providers.getContextResolver(MyClass.class,
> MediaType.WILDCARD_TYPE)" returns null, while
> "MediaType
> .WILDCARD_TYPE
> .isCompatible(MediaType.APPLICATION_FORM_URLENCODED_TYPE))" is true.
>
> I'm curious why you need to pass a wildcard media type to
> getContextResolver. If you are calling this from a MessageBodyReader
> or MessageBodyWriter you should already have a concrete media type -
> right ? Perhaps you are working with multipart data ?
>
> Marc.
>
>
>
>
> On Fri, Jul 10, 2009 at 4:22 PM, Marc Hadley <Marc.Hadley_at_sun.com>
> wrote:
> Its doesn't say explicitly but the intent is that matching works as
> if MediaType.isCompatible method was used. This method supports
> wildcards and is commutative.
>
> Marc.
>
>
> On Jul 10, 2009, at 2:18 AM, Michael Elman wrote:
>
> Hi,
>
> I'm somewhat confused how "*" in the Media Type value should be
> treated, when using the javax.ws.rs.ext.Providers interface to get
> the providers (MessageBodyReaders/Writers and ContextResolvers)
> I mean should it be treated as a wildcard or as string?
>
> For example if I have the following providers:
>
> @Produces("text/plain")
> class ProviderA implements MessageBodyWriter
>
> @Produces("text/*")
> class ProviderB implements MessageBodyWriter
>
> @Produces("text/xml")
> class ProviderC implements MessageBodyWriter
>
> If "*" is treated as a string, only ProviderB is matching.
> If "*" is treated as a wildcard, all three providers are matching.
>
> So what is correct?
>
> Thanks,
> Michael.
>
>
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