Another alternative would be to write your own MessageBodyWriter to
override the default one and add the header there.
Marc.
On Jan 22, 2009, at 9:13 AM, Paul Sandoz wrote:
>
> On Jan 22, 2009, at 2:55 PM, amsmota_at_gmail.com wrote:
>
>> No can do. I have control over the interfaces, that I can annotate
>> as I want, but not over the implementations. The implementations
>> should be completly unaware of the infrastructure (Jersey +
>> SpringIntegration).
>>
>
> Note that what i pointed to is JAX-RS specific. But in any case i
> think i understand the constraints you are working with.
>
>
>> Probably a "resource-specific filter" will work, if it filters not
>> only the request but the response as well. However a much elegant
>> solution will be a
>>
>> @ResponseHeaders("content-disposition","attachment;
>> filename={name}.pdf", ....)
>>
>> That way my resource implementation can "intercept" that and add it
>> to the ResponseBuilder.
>>
>
> See the classes
>
> com.sun.jersey.api.container.filter.RolesAllowedResourceFilterFactory
>
> com
> .sun
> .jersey.server.impl.container.filter.AnnotationResourceFilterFactory
>
> the javadoc in:
>
> com.sun.jersey.api.container.filter.
>
> will help guide. You should be able to use UriInfo, injected into
> the resource filter factory, to get the path parameter "name". My
> guess is you might be able to reuse UriTemplate for the content
> disposition value, but since it is not a URI you might run into
> issues.
>
> Paul.
>
>> Hmmm, I think I'll try this myself.
>>
>> Thanks for your very quick response :)
>>
>> On Jan 22, 2009 1:44pm, Paul Sandoz <Paul.Sandoz_at_sun.com> wrote:
>> >
>> >
>> > On Jan 22, 2009, at 2:36 PM, amsmota_at_gmail.com wrote:
>> >
>> >
>> >
>> >
>> > Hello again.
>> >
>> >
>> >
>> > I have a situation here where I have to set a Content-Disposition
>> header in my response and I was hoping that I can do that at a
>> annotation, or configuration, level.
>> >
>> >
>> >
>> > @GET
>> >
>> > @Path("/reports/{name}")
>> >
>> > @Produces("application/pdf")
>> >
>> > @SOMEANNOTATION(""content-disposition","attachment;
>> filename={name}.pdf"
>> >
>> > byte[] executePdf(@PathParam("name")String name)
>> >
>> >
>> >
>> > Would that be possible?
>> >
>> >
>> >
>> > Of course I can do it programatically in my HttpConector, but
>> that will break the "abstractioness" of my infrastructure...
>> >
>> >
>> >
>> >
>> >
>> >
>> > You can use the Response [1] builder:
>> >
>> >
>> >
>> > @GET
>> >
>> > @Path("/reports/{name}")
>> >
>> > @Produces("application/pdf")
>> >
>> > public byte[] executePdf(@PathParam("name")String name) {
>> >
>> > byte[] stuff = ...
>> >
>> > return Response.ok(stuff).header("Content-Disposition": "....");
>> >
>> > }
>> >
>> >
>> >
>> >
>> >
>> > An alternative is to use the new resource-specific filter
>> framework i have recently integrated. However, i have not sent any
>> email about that yet because there is currently an issue with the
>> pushing of built artifacts to the maven repo so developers would
>> have to build the source to try it out.
>> >
>> >
>> >
>> > Paul.
>> >
>> >
>> >
>> > [1] https://jsr311.dev.java.net/nonav/javadoc/javax/ws/rs/core/Response.html
>> >
>> > https://jsr311.dev.java.net/nonav/javadoc/javax/ws/rs/core/Response.ResponseBuilder.html
>> >
>> >
>> >
>> >
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>> >
>> >
>
>
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---
Marc Hadley <marc.hadley at sun.com>
CTO Office, Sun Microsystems.