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https://issues.apache.org/jira/browse/WICKET-3303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Király updated WICKET-3303:
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Attachment: WICKET-3303.patch
Attaching a small, proof-of-concept patch that implements this support in the
current trunk. All tests pass and works under both Servlet 2.5 and 3.0.
Usages are not included in the patch but a typical one would look like this
(that's how I tested it):
- moved all yui lib static stuff from
"/wicket-datetime/src/main/java/org/apache/wicket/extensions/yui" folder to
"/wicket-datetime/src/main/resources/META-INF/resources/org/apache/wicket/extensions/yui"
folder.
- updated YuiLib.java to use the new ResourceReference: YUILOADER = new
MetaInfStaticResourceReference(YuiLib.class, sb.toString());
And thats it.
> 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
> 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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