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From "Everett Toews (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCLOUDS-400) Allow the HeaderParam annotation to be used in a Caller. Produces/Consumes will propagate.
Date Tue, 10 Dec 2013 18:28:07 GMT

    [ https://issues.apache.org/jira/browse/JCLOUDS-400?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13844503#comment-13844503
] 

Everett Toews commented on JCLOUDS-400:
---------------------------------------

When you have a common header in all of the Callee APIs, that header has to be a param in
each and every method of the API. It's a lot of duplicated code and there are more chances
for clients to make a mistake. 

This changes allows you to factor out that common header into the Caller API. Now it's in
one place and there is only one chance to make a mistake. :P

> Allow the HeaderParam annotation to be used in a Caller. Produces/Consumes will propagate.
> ------------------------------------------------------------------------------------------
>
>                 Key: JCLOUDS-400
>                 URL: https://issues.apache.org/jira/browse/JCLOUDS-400
>             Project: jclouds
>          Issue Type: Improvement
>          Components: jclouds-core
>            Reporter: Everett Toews
>            Assignee: Everett Toews
>            Priority: Minor
>             Fix For: 1.7.0
>
>
> Allow jclouds to factor out common headers into the Caller so they don't
> have to be repeated in the Callee.
> e.g.
>     @Delegate
>     @Path("/queues/{name}")
>     ClaimApi getClaimApiForZoneAndQueue(
>            @EndpointParam(parser = ZoneToEndpoint.class) @Nullable String zone,
>            @HeaderParam("Client-ID") UUID clientId,
>            @PathParam("name") String name);
> The Produces/Consumes annotations (Content-Type/Accept headers) will also propagate from
the Caller to the Callee.



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