[jira] Resolved: (WICKET-3303) Use "META-INF/resources" (when available) to serve static resources

["Juergen Donnerstag (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Juergen Donnerstag resolved WICKET-3303.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 1.5-RC2
         Assignee: Juergen Donnerstag

thanks

> Use "META-INF/resources" (when available) to serve static resources
> -------------------------------------------------------------------
>
>                 Key: WICKET-3303
>                 URL: https://issues.apache.org/jira/browse/WICKET-3303
>             Project: Wicket
>          Issue Type: Improvement
>          Components: wicket
>    Affects Versions: 1.5-M3
>            Reporter: Attila Király
>            Assignee: Juergen Donnerstag
>             Fix For: 1.5-RC2
>
>         Attachments: WICKET-3303.patch
>
>
> Servlet 3.0 introduced a new feature: files placed under the "META-INF/resources" folder inside of a jar in the "/WEB-INF/lib" folder are served by the container in the same way as other static files. I made a speed test and it showed that Tomcat 7.0.5 serves files from this location 2-3 times faster than wicket with its own method.
> So it could be beneficial for wicket if it supported this when running on a Servlet 3.0 engine. I think this should be made in wicket itself (and not as an external module) because so wicket could use it too and implementing it could need some specific hooks.
> An implementation could roughly include the followings:
> - a new ResourceReference subtype so users can choose to use this type of resource handling for their bundled static files
> - logic that generates different urls for the new ResourceReference subtype based on if it is running on Servlet 3.0 engine (no need for "wicket/resource/" prefix, example url: "org/apache/wicket/extensions/yui/yuiloader/yuiloader-min.js") or it is running on older engines (url would be the same as now: "wicket/resource/org.apache.wicket.extensions.yui.YuiLib/yuiloader/yuiloader-min.js")
> - logic that finds the resource even if it is on the "META-INF/resources/" prefixed classpath.

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