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From "Carsten Ziegeler" <>
Subject RE: Using cocoon: source in <xsl:import>s
Date Thu, 21 Aug 2003 06:09:52 GMT
Sylvain Wallez wrote:
> >I think this is something the internal processing should handle, which
> >means, if the reader sets such a header it should simply be ignored
> >instead of being passed on.
> >Now, I guess this is very easy as we could create a response wrapper
> >for internal requests (we already have a request wrapper) and filter
> >the headers.
> >
> This reminds me some random thoughts I had with Gianugo around a beer
> last february : we were discussing the ability for internal sources to
> set response headers and came to the conclusion that there was no yes/no
> rule for all headers, and that the behaviour was dependent on the header
> type.
Yes, I agree.

> The solution we came to was to associate HeaderFilter components to each
> of the headers for which filtering is necessary. These filters would be
> attached to the top-level environment (i.e. the HttpEnvironment),
> receiving any setHeader call of all subenvironments handling the request.
> What do you think ?
Having a filter is a good idea, but the top-level environment does not
know if the one setting the header is a sub environment or if it is
comming from the current request.
So I guess, we have to make a response wrapper and use the filter inbetween.


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