RE: Appending to CSS url to prevent caching.
followup just so in case someone else might find this useful.
the wicket, out of the box css url handling works for resources in the
classpath. it will not work for stuff you might have tucked away in the
webapp directory which was my case.
for those cases i added a custom header response decorator in the
application.
protected void validateInit() {
super.validateInit();
setHeaderResponseDecorator( CachingStrategyDecoratingHeaderResponse.
createHeaderResponseDecorator());
}
its' responsibility was to append a suffix in the render??Reference methods
that took a URL parameter.
class CachingStrategyDecoratingHeaderResponse extends
WiQueryDecoratingHeaderResponse {
public void renderCSSReference(String url) {
super.renderCSSReference(url+?VERSION=+someNumber);
}
etc
}
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RE: Appending to CSS url to prevent caching.
You could just add your own cache buster. You could do something like:
String cachebuster = something that will always be unique - maybe time
stamp;
response.renderCSSReference(style/theme.css? + cachebuster);
not sure if this will bust the cache because the file is really the same.
-or-
String cachebuster = something that will always be unique - maybe time
stamp;
response.renderCSSReference(style/theme- + cachebuster + .css);
Then you just need a url rewrite rule to change it back to style/theme.css on
the server. I use something similar to this and it works great.
-Original Message-
From: dickster [mailto:derek.i...@gmail.com]
Sent: Tuesday, October 02, 2012 5:09 PM
To: users@wicket.apache.org
Subject: Re: Appending to CSS url to prevent caching.
sorry, i didn't give a great example.
here's something better.
response.renderCSSReference(style/theme.css);
it renders the
link rel=stylesheet type=text/css href=style/theme.css/ html without
the version parameter appended.
maybe i need to do something like...
response.renderCssReference(new CachingReference(style/theme.css))???
thanks,
derek.
On Tue, Oct 2, 2012 at 4:31 PM, Martin Grigorov-4 [via Apache Wicket]
ml-node+s1842946n4652625...@n4.nabble.com wrote:
On Tue, Oct 2, 2012 at 6:46 PM, dickster [hidden
email]http://user/SendEmail.jtp?type=nodenode=4652625i=0
wrote:
i tried using...
getResourceSettings().setCachingStrategy(new
FilenameWithVersionResourceCachingStrategy(new
MessageDigestResourceVersion()));
...but not all of my urls are rewritten. the wiquery ones are but
the
one's
i've added via...
renderHead(response) {
response.renderCssReference(blah);
What kind of CSS this produces ?
I think this generates:
style
blah
/style
directly in the page markup. If I'm correct then there is no need to
add anti-caching here because next render of the page will deliver
whatever is needed.
Only external file resources can be cached.
}
...don't get appended with version MD5.
do i have to use different technique for adding them? (is my
current
way of
adding them not the preferred way?)
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Re: Appending to CSS url to prevent caching.
i tried using...
getResourceSettings().setCachingStrategy(new
FilenameWithVersionResourceCachingStrategy(new
MessageDigestResourceVersion()));
...but not all of my urls are rewritten. the wiquery ones are but the one's
i've added via...
renderHead(response) {
response.renderCssReference(blah);
}
...don't get appended with version MD5.
do i have to use different technique for adding them? (is my current way of
adding them not the preferred way?)
--
View this message in context:
http://apache-wicket.1842946.n4.nabble.com/Appending-to-CSS-url-to-prevent-caching-tp4652508p4652618.html
Sent from the Users forum mailing list archive at Nabble.com.
-
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For additional commands, e-mail: users-h...@wicket.apache.org
Re: Appending to CSS url to prevent caching.
On Tue, Oct 2, 2012 at 6:46 PM, dickster derek.i...@gmail.com wrote:
i tried using...
getResourceSettings().setCachingStrategy(new
FilenameWithVersionResourceCachingStrategy(new
MessageDigestResourceVersion()));
...but not all of my urls are rewritten. the wiquery ones are but the one's
i've added via...
renderHead(response) {
response.renderCssReference(blah);
What kind of CSS this produces ?
I think this generates:
style
blah
/style
directly in the page markup. If I'm correct then there is no need to
add anti-caching here because next render of the page will deliver
whatever is needed.
Only external file resources can be cached.
}
...don't get appended with version MD5.
do i have to use different technique for adding them? (is my current way of
adding them not the preferred way?)
--
View this message in context:
http://apache-wicket.1842946.n4.nabble.com/Appending-to-CSS-url-to-prevent-caching-tp4652508p4652618.html
Sent from the Users forum mailing list archive at Nabble.com.
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--
Martin Grigorov
jWeekend
Training, Consulting, Development
http://jWeekend.com
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Re: Appending to CSS url to prevent caching.
Hi, Which version of Wicket do you use ? Wicket supports this out of the box. See https://cwiki.apache.org/WICKET/caching-in-wicket-15.html for details. On Fri, Sep 28, 2012 at 10:08 PM, dickster derek.i...@gmail.com wrote: i am trying to prevent pesky caching of CSS by having the html look like link type=text/css href=myStyle.css?version1 /-- yay,won't be cached when changed to version2 as opposed to link type=text/css href=fieldid.css / -- boo, browser caches this too aggressively. i want this change every time the version gets updated. i don't want to change all the usages of renderCssReference. I was hoping for a component/page listener that would have a behavior to augment the css urls. i'm sure i'm not the first to desire this output but haven't found the best way to do this. any ideas much appreciated. -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Appending-to-CSS-url-to-prevent-caching-tp4652508.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Appending to CSS url to prevent caching.
Recently upgraded but didn't see this feature.Awesome Thanks Sent from my iPhone On 2012-09-29, at 3:22 AM, Martin Grigorov-4 [via Apache Wicket]ml-node+s1842946n4652520...@n4.nabble.com wrote: Hi, Which version of Wicket do you use ? Wicket supports this out of the box. See https://cwiki.apache.org/WICKET/caching-in-wicket-15.html for details. On Fri, Sep 28, 2012 at 10:08 PM, dickster [hidden email] wrote: i am trying to prevent pesky caching of CSS by having the html look like link type=text/css href=myStyle.css?version1 /-- yay,won't be cached when changed to version2 as opposed to link type=text/css href=fieldid.css / -- boo, browser caches this too aggressively. i want this change every time the version gets updated. i don't want to change all the usages of renderCssReference. I was hoping for a component/page listener that would have a behavior to augment the css urls. i'm sure i'm not the first to desire this output but haven't found the best way to do this. any ideas much appreciated. -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Appending-to-CSS-url-to-prevent-caching-tp4652508.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: [hidden email] For additional commands, e-mail: [hidden email] -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com - To unsubscribe, e-mail: [hidden email] For additional commands, e-mail: [hidden email] If you reply to this email, your message will be added to the discussion below: http://apache-wicket.1842946.n4.nabble.com/Appending-to-CSS-url-to-prevent-caching-tp4652508p4652520.html To unsubscribe from Appending to CSS url to prevent caching., click here. NAML -- View this message in context: http://apache-wicket.1842946.n4.nabble.com/Appending-to-CSS-url-to-prevent-caching-tp4652508p4652525.html Sent from the Users forum mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
