Re: OT Re: [xml] XSD validation example needed

[Samuel Díaz García <samueldg arcoscom com>]

Well, I validate an XML document (in my app) in two steps:
  1) With the XML internal XSD.
  2) With a local XSD.

¿any help with the first step as I want?

Thanks

   Samuel Díaz García
    Director Gerente
ArcosCom Wireless, S.L.L.

mailto:samueldg arcoscom com
http://www.arcoscom.com
móvil: 651 93 72 48
tlfn/fax: 956 70 13 15


Frans Englich wrote:
> On Tuesday 25 January 2005 16:16, Daniel Veillard wrote:
>
> > On Tue, Jan 25, 2005 at 04:08:42PM +0100, Samuel Díaz García wrote:
>
>
> >  If you trust the XML File content, why do you validate it ?
> >  If you don't trust the XML File content, how can you trust that
> > specific attribute value ?
> >  A Schemas/DTD is a contract between a provider and consumer,
> > I would never blindly trust a contract coming with the product, that's
> > why I don't believe in the whole xsi (instance schemas informations).
>
>
> I agree, when the consumer is arbitrary and principles such that all input is 
> evil applies, XSI defeats the purpose of the safety barrier("You should let 
> me through because I have written it on my card!")
>
> But when the compromisation threat is smaller, such as when the provider won't 
> intentionally try to break it, or when an error is more acceptable(doing 
> simple, manual testing), it could be that the problems XSI brings are outrun 
> by the practical issues it solves: associating a document instance with a 
> Schema. For example, I would find XSI practical when doing manual 
> validations, but doubtable when doing runtime validation. Of course, that 
> doesn't mean the XSI mechanism as a whole is justified, or that its pros 
> cannot be achieved in other ways.
>
>
> Cheers,
>
>                 Frans
>
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