Hi,

i've been following this post in order to generate dynamic JS/CSS files (
https://cwiki.apache.org/WICKET/dynamically-generate-a-css-stylesheet.html
https://cwiki.apache.org/WICKET/dynamically-generate-a-css-stylesheet.html
).

Now I'm expiring white page "flickers" on page changes inside the browser,
due to the fact that TextTemplateResourceReferences are not versioned
(<filename>-ver-<timestamp>.<ext>) or sent with Cache-Headers (per default
they are delivered with Cache: no-cache). As soon as we have uncached CSS or
JS files FF/IE/Chrome/Safari seem to reload the whole page instead of
applying the cached files and this leads to these annoying page "flickers".

So i'm searching for a solution to be able to cache
TextTemplateResourceReferences by enabling the version and setting the cache
headers, but I haven't found a solution yet. 

I'm using Wicket 1.5.3.

>From a friend of mine I got the tip to check IStaticCacheableResources and
subclass TextTemplateResourceReference in order to return
IStaticCacheableResources, but I didn't have the time yet to test it out. 
http://www.jarvana.com/jarvana/view/org/apache/wicket/wicket-core/1.5.0/wicket-core-1.5.0-javadoc.jar!/org/apache/wicket/request/resource/caching/IStaticCacheableResource.html
 
http://www.jarvana.com/jarvana/view/org/apache/wicket/wicket-core/1.5.0/wicket-core-1.5.0-javadoc.jar!/org/apache/wicket/request/resource/caching/IStaticCacheableResource.html
 

Any help on this would be really great, as I'm quite new to wicket and
haven't found a good tutorial yet which explains how caching for resources
is properly applied. 



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