[jira] Commented: (SLING-1180) Add default HEAD servlet

["Alexander Klimetschek (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SLING-1180?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776404#action_12776404 ] 

Alexander Klimetschek commented on SLING-1180:
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This acts as a wrapper, and will forward to the normal GET servlet/script for the resource, simply ignoring the response body, right? Sounds good to me.

I suggest to improve the javadoc, currently it says "A SlingSafeMethodsServlet that renders the current Resource as simple HTML", but it actually doesn't return any html at all.

> Add default HEAD servlet
> ------------------------
>
>                 Key: SLING-1180
>                 URL: https://issues.apache.org/jira/browse/SLING-1180
>             Project: Sling
>          Issue Type: New Feature
>          Components: Servlets
>    Affects Versions: Servlets Get 2.0.6
>            Reporter: Felix Meschberger
>             Fix For: Servlets Get 2.0.8
>
>         Attachments: SLING-1180.patch
>
>
> RFC 2616 states: "The HEAD method is identical to GET except that the server MUST NOT return a message-body in the response."
> Currently Sling has no out-of-the-box support for handling HEAD requests and thus most HEAD requests will (in a default Sling installation) be handled by WebDAV servlet which handles all requests not handled by any other servlet/script.
> I suggest we add a DefaultHeadServlet which handles HEAD requests as follows:
>    * wrap the response dropping any output (null writer/outputstream)
>    * wrap request overwriting the getMethod() method simulating a GET request
>    * forward the request to the request resource

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