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Subject: Re: [xacml] [Text Change] Clarify A.3 Structured types does not castor convert values
On Fri, 1 Nov 2002, Anne Anderson wrote:
> CHANGE REQUEST:
> In Section A.3 Structured types, item 1., paragraph starting with
> "1, change second sentence from:
>
> "This requires the structured data, including its tags and
> attributes, to be identified and treated as an instance of the
> data-type xsi:string."
>
> To:
>
> "This requires the structured data <AttributeValue> to be given the
> DataType="xsi:string". For example, a structured data type
> that is actually a ds:KeyInfo/KeyName would appear in the
> Context as:
>
> <AttributeValue
> DataType="xsi:string"><ds:KeyName>jhibbert-key</ds:KeyName></AttributeValue>
Isn't the datatype now:
DataType="http://www.w3.org/2001/XMLSchema-instance#string";
?
Now, if you do not regard the data as a string, and you actually give
it a data type, i.e. extension to standard XACML, I wonder what happens
for the following problem.
Does the data within the attribute value have to be completely contained?
For example, if you have <ds:KeyName>jhibberi-key</ds:KeyName> where is
the "ds:" name space defined? (In the begining of the context? of which it
cannot be guarranteed to be there) Or in the attribute value?
-Polar
> RATIONALE: Way#1 could be read as implying that the structured
> data type is automatically cast or converted to the type required
> by the function that references it. We should be very clear that
> this does NOT occur.
>
> Anne
> --
> Anne H. Anderson Email: Anne.Anderson@Sun.COM
> Sun Microsystems Laboratories
> 1 Network Drive,UBUR02-311 Tel: 781/442-0928
> Burlington, MA 01803-0902 USA Fax: 781/442-1692
>
>
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