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https://issues.apache.org/jira/browse/SLING-1213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12904760#action_12904760
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Felix Meschberger commented on SLING-1213:
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Attached a patch [1] to SLING-1603 which also includes an untested prototype
implementation of this enhancement.
[1]
https://issues.apache.org/jira/secure/attachment/12453538/SLING-1603-fmeschbe.patch
> Filters to support servlet-API-level scope configuration
> --------------------------------------------------------
>
> Key: SLING-1213
> URL: https://issues.apache.org/jira/browse/SLING-1213
> Project: Sling
> Issue Type: Improvement
> Components: Engine
> Reporter: Mike Pfaff
>
> Currently the filter.scope supports either
> - component (comparable to <dispatcher>INCLUDE,FORWARD,ERROR</dispatcher> of
> the servlet API)
> or
> - request (comparable to <dispatcher>REQUEST</dispatcher> of the servlet API)
> In certain cases one wants to have finer control over the filter scopes, e.g.
> have a filter that would do <dispatcher>REQUEST,FORWARD</dispatcher>, so that
> the filter is applied first for the request and then again when you do a
> requestDispatcher.forward().
> Therefore i suggest that the filter.scope should be enhanced as follows:
> - Make filter.scope a multi-value property
> - Add filter scopes: include, forward and error
> - The existing filter scope "component"(quasi an alias for
> "include,forward,error") should for backward-compatibility not change.
> - Add filter chains for the new filter scopes (don't know if this is needed
> internally?)
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