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<Quote>
for instance one of the immediate children the CustomerDetails element
can be either OrganisationInfo or PersonInfo. My system, however, only
wants to process PersonInfo elements and never OrganisationInfo so, do I
-
</Quote>
According to your explanation, there's no issue because there is a
choice (that is, an xs:choice) in the schema of using OrganisationInfo
or PersonInfo - so if your XML documents always have PersonInfo elements
and never OrganisationInfo elements, they should conform to the schema
in that regard.
Kind Regards,
Joseph Chiusano
Booz Allen Hamilton
Visit us online@ http://www.boozallen.com
> -----Original Message-----
> From: Fraser Crichton [mailto:fraser.crichton@solnetsolutions.co.nz]
> Sent: Sunday, April 03, 2005 6:56 PM
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] How can I constrain publicly available schemas?
>
> Hi,
>
> I'm working on an application where I need to use subsets of
> publicly available schemas.
>
> For instance, to model contacts information I'm using xCIL
> however xCIL has a very large range of formats, for instance
> one of the immediate children the CustomerDetails element can
> be either OrganisationInfo or PersonInfo. My system, however,
> only wants to process PersonInfo elements and never
> OrganisationInfo so, do I -
>
> a) create a more specific schema using the xCIL namespace (!)
> (if so, should I then validate it twice - once against xCIL
> and then against my more specific schema)
>
> b) XML.com has this article - Designing a New Schema with XML
> Design Patterns -
> http://www.xml.com/pub/a/2003/06/04/patterns.html - which
> would seem to suggest selectively reusing types and global
> elements from other namespaces, are there any problems with
> this approach?
>
> c) is the schema just a contract and I should use something
> else again for validation?
>
> Is this a dumb question or has anybody else come across this
> issue and if so how have they approached it?
>
> Cheers,
>
> Fraser
>
>
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