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Date: Mon, 25 Aug 2008 10:38:45 +0200
From: Jeremias Maerki <dev@jeremias-maerki.ch>
To: general@xmlgraphics.apache.org
Subject: Re: URIResolvers
In-Reply-To: <48B26E61.4010607@berger.name>
References: <20080825090925.AA69.60BA733C@jeremias-maerki.ch>
 <48B26E61.4010607@berger.name>
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On 25.08.2008 10:33:37 Max Berger wrote:
> Jeremias,
> 
> Jeremias Maerki schrieb:
> > (Moving to general as we're talking about code in Commons, not FOP)
> > 
> > Thanks for sharing. I have two observations here:
> > 1. CommonURIResolver is final and designed as a Singleton. In my past
> > experience that restricts its usefulness too much. 
> 
> Noted. I'll make it public and rename the getInstance to getDefault...

Thanks.

> > 2. It should be noted that this approach here only allows "general"
> > resolvers. There's no access to "local" configuration or context
> > information that allows customizing the behaviour. Such URI resolver
> > will still have to be set up by the users.
> 
> The URIResolver in FOP will probably have to stay very similar to the
> way it works right now, for that exact reason.

I don't mean to imply that anything should be changed now. I'm just
noting the consequence of the design decision.

> > I'm curious: what kind of URI resolver do you want to add here from a
> > plug-in that motivated you to do this?
> 
> One that resolves well-known URIs to embedded URIs. In particular URIs
> such as
> "http://www.w3.org/Math/DTD/mathml2/mathml2.dtd" and
> "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd" would be mapped to
> jar:... for faster (and in particular offline) resolution.
> 
> For testing purposes, the xml: URI seems like a very interesting addition.

Ah, makes sense. Thanks. And the W3C web admins will be very happy about
this. ;-)

> 
> Max
> 
> 


Jeremias Maerki


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