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Posted to users@cocoon.apache.org by Bardo Nelgen <ma...@bnnperformances.de> on 2012/12/13 22:52:14 UTC
Setting HTTP protocol header LINK using header action
Hi all,
has anyone so far been successful setting a HTTP protocol LINK parameter
(according to http://tools.ietf.org/html/rfc5988#section-5.5 )
using the cocoon header action? Unfortunately the newer response header
transformer doesn't seem to live up to its promises quite yet, so I'm
currently trying with the action.
By now, I've been successful using the following dummy data
> <map:act type="header">
> <map:parameter name="content-language" value="{flow-attribute:locale}" />
> <map:parameter name="author" value="BNN" />
> <map:parameter name="revised" value="Bardo Nelgen, 2012-09-11" />
> <map:parameter name="X-content-age" value="16" />
> <map:parameter name="dc.title" value="{flow-attribute:mtit}" />
> <map:parameter name="Description" value="{flow-attribute:mdesc}" />
> <map:parameter name="Keywords" value="{flow-attribute:keys}" />
> <map:parameter name="geo.position" value="49.975712,8.11796" />
> <map:parameter name="ICBM" value="49.975712,8.11796" />
> </map:act>
with all parameters absolutely correctly ending up in the HTTP response
header for the particular request.
Though, as soon as trying with the Link parameter, webbrowsers do not
appear to recognize the result correctly from the resulting output: It
makes it right into the header, though obviously in the wrong format,
leaving me with
> Link </images/semawine/RheinhessenWein.gif>; rel='shortcut',
> </images/semawine/RheinhessenWein.gif>; rel='icon',
> <http://www.semaworx.org/cocoon/semaworx/.html>; rel='bookmark',
> <http://www.semaworx.org/cocoon/semaworx/.html>; rel='canonical',
> <#top>; rel='start'; title*=UTF-8'de'zum%20Seitenanfang
Maybe I'm getting something wrong with the syntax at this point…
> <map:parameter name="Link" value=" </images/semawine/RheinhessenWein.gif>; rel='shortcut',
> </images/semawine/RheinhessenWein.gif>; rel='icon',
> <http://www.semaworx.org/cocoon/semaworx/{1}.html>; rel='bookmark',
> <http://www.semaworx.org/cocoon/semaworx/{1}.html>; rel='canonical',
> <#top>; rel='start'; title*=UTF-8'de'zum%20Seitenanfang " />
Any ideas or guesses on how to get this right are highly appreciated!!
Best,
Bardo
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Re: Setting HTTP protocol header LINK using header action
Posted by Bardo Nelgen <ma...@bnnperformances.de>.
O.k., got it. You simply need to get away from the spec a bit in order
to succeed:
For browser-compatibility's sake instead of writing
> <map:parameter name="Link" value=" </images/MyIcon.gif>;
> rel='shortcut' " />
you better skip the inner quotes and go with
> <map:parameter name="Link" value=" </images/MyIcon.gif>;
> rel=shortcut " />
or for stylesheets, instead of
<map:parameter name="Link" value=" </styles/default.css>;
rel='stylesheet'; media='screen, handheld'; type='text/css' " />
better try with
<map:parameter name="Link" value=" </styles/default.css>;
rel=stylesheet; media=screen,handheld; type=text/css " />
instead.
Just in case someone else runs into this.
Am 13.12.2012 22:52, schrieb Bardo Nelgen:
>
> Hi all,
>
> has anyone so far been successful setting a HTTP protocol LINK parameter
>
> (according to http://tools.ietf.org/html/rfc5988#section-5.5 )
>
> using the cocoon header action? Unfortunately the newer response
> header transformer doesn't seem to live up to its promises quite yet,
> so I'm currently trying with the action.
>
> By now, I've been successful using the following dummy data
>
>> <map:act type="header">
>> <map:parameter name="content-language"
>> value="{flow-attribute:locale}" />
>> <map:parameter name="author" value="BNN" />
>> <map:parameter name="revised" value="Bardo Nelgen, 2012-09-11" />
>> <map:parameter name="X-content-age" value="16" />
>> <map:parameter name="dc.title" value="{flow-attribute:mtit}" />
>> <map:parameter name="Description" value="{flow-attribute:mdesc}" />
>> <map:parameter name="Keywords" value="{flow-attribute:keys}" />
>> <map:parameter name="geo.position" value="49.975712,8.11796" />
>> <map:parameter name="ICBM" value="49.975712,8.11796" />
>> </map:act>
>
> with all parameters absolutely correctly ending up in the HTTP
> response header for the particular request.
>
>
> Though, as soon as trying with the Link parameter, webbrowsers do not
> appear to recognize the result correctly from the resulting output: It
> makes it right into the header, though obviously in the wrong format,
> leaving me with
>
>> Link </images/semawine/RheinhessenWein.gif>; rel='shortcut',
>> </images/semawine/RheinhessenWein.gif>; rel='icon',
>> <http://www.semaworx.org/cocoon/semaworx/.html>; rel='bookmark',
>> <http://www.semaworx.org/cocoon/semaworx/.html>; rel='canonical',
>> <#top>; rel='start'; title*=UTF-8'de'zum%20Seitenanfang
>
>
>
> Maybe I'm getting something wrong with the syntax at this point…
>
>> <map:parameter name="Link" value="
>> </images/semawine/RheinhessenWein.gif>; rel='shortcut',
>> </images/semawine/RheinhessenWein.gif>; rel='icon',
>> <http://www.semaworx.org/cocoon/semaworx/{1}.html>;
>> rel='bookmark',
>> <http://www.semaworx.org/cocoon/semaworx/{1}.html>;
>> rel='canonical',
>> <#top>; rel='start'; title*=UTF-8'de'zum%20Seitenanfang " />
>
> Any ideas or guesses on how to get this right are highly appreciated!!
>
> Best,
>
> Bardo
>
>
>
>
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