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On Wed, 2002-10-02 at 17:20, Rich Salz wrote:
> > I think the proportion of
> > cases where XMLSchema validation happens at application run-time is
> > going to be way short of 100%. I personally think's actually going to
> > be way short of 25%, it's useful for design support and debugging but
> > it's just not at the right level for business-logic validation.
>
> I'm not so sure. Particularly when the XML messages span administrative
> domains, schema validation seems like a good way to help protect your
> application against stupid and/or malicious programmers. In fact, we
> believe it should be pushed all the way down to the network layer. :)
That's what I use to call using a schema as a firewall :-).
By business logic, I guess that Tim meant (or I least I would say
myself) that W3C XML Schema is often weak and requires at least the
addition of a rule based schema language like Schematron if not the full
flexibility and power of XSLT or a general purpose programming
language...
Eric
--
Rendez-vous a Paris (seminaire 01 Informatique).
http://www.01net.com/rubrique?rub=2813&cpn=lib_86
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Eric van der Vlist http://xmlfr.org http://dyomedea.com
(W3C) XML Schema ISBN:0-596-00252-1 http://oreilly.com/catalog/xmlschema
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