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RE: [xml-dev] key/keyref access in Java....

 Given an XSD schema with key/keyref constraints,
which XML processing to use- JAXB or JAXP?

 JAXB is great because I get Marshal/Unmarshal
capability. But JAXB 1.0 doesn't seem to support
Key/Keyref constraint validation. JAXP seems to
support this Key constraint validation in XSD. But,
one has to implement Marshal/Unmarshal which doesn't
come free here.
 Obviously in my case, I do need to construct Java
object for the incoming XML and vice-versa.

--- Sjoerd Visscher <sjoerd@xopus.com> wrote:

> Hi,
> We want to implement this functionality in Xopus, so
> I recently asked
> the same thing:
> I got no response, so for now I have implemented
> what I suggested there.
> But neither of those methods is what you are asking
> for. If anything
> comes up I would like to implement that in Xopus
> too.
> Greetings,
> Sjoerd Visscher
> Xopus: http://xopus.com
> +31 (0)70 - 3699563
> -----Original Message-----
> From: dave [mailto:ceek63@yahoo.com] 
> Sent: Monday, November 19, 2007 8:29
> To: xml-dev@lists.xml.org
> Subject: [xml-dev] key/keyref access in Java....
>  I know key/keyref constraints' use at the XSD
> level.
>  Can you access these key/keyrefs at the Java
>  application level?
>  For e.g. I need to find the number of Keyrefs
>  referencing the Key in my Java app?
>  Basically, I am trying to understand if I can
>  leverage these constraints at the Java level (like
>  accessing selector/field values, xpath expressions,
>  etc).
>  Or are these constraints are only used at the XSD
>  level and XML validation?
>  In short, how would one leverage these key/keyrefs
> at
> the Java application level?
>  Thanks for any pointers.
>  -D 

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