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Subject: Re: [ubl] Validating UBL 2.0 genericode files with Altova XMLSpy

The XML Spy docs are very vague on this.  The text suggest that they only  
use the catalog to match the public ID in a DOCTYPE declaration.  However,  
the subset of OASIS XML Catalogs that they use suggests that they might  
also be able to match some URIs.  From what Juerg wrote, it sounds like  
XML Spy will match a Schema location to a URI in the catalog, but not a  
namespace URI.

Cheers, Tony.

On Mon, 25 Sep 2006 09:12:18 +0100, G. Ken Holman  
<gkholman@CraneSoftwrights.com> wrote:

> I think the problem is how to configure XMLSpy to associate a schema  
> location with a namespace.
> Reviewing the XML Catalog specification, it seems the catalogue is only  
> useful for mapping URI references to physical references.  Without a  
> schemaLocation attribute in the genericode instances there are no URI  
> references with which to map using a catalogue.
> I'm still in favour of not having schemaLocation in the instances  
> because, as discussed in the teleconference, tying a schema to an  
> instance harkens back to the SGML days and limits the flexibility of  
> life-cycle management of the instance and using different document  
> models at different times for a given instance.
> If there is a problem with a particular tool, in this case XMLSpy, then  
> the question is what is available in XMLSpy to map a namespace to a  
> schema location?
> In oXygen the menu item is Options/Preferences/Editor/Default Schema  
> Association, and with that control I can determine in my editing  
> environment which schema to use for which namespace.  This allows me to  
> edit the instance without tying the instance to any particular schema.
> So ... I can do what is necessary in oXygen ... Juerg cannot,  
> apparently, do the same in XMLSpy, so the question is "is there some  
> configuration in XMLSpy to map a namespace to a schema?"
> . . . . . . . . . . Ken
> At 2006-09-25 08:59 +0100, Anthony B. Coates (Miley Watts) wrote:
>> Dear Juerg,
>>         What information were you expecting XML Spy to use to look up a  
>> Schema
>> location in the catalog?  Were you expecting it to use the namespace  
>> URI?
>> You seem surprised that it uses the Schema location.
>>         Cheers, Tony.
>> On Mon, 25 Sep 2006 02:10:09 +0100, <juerg.tschumperlin@minedu.govt.nz>
>> wrote:
>>> Hi,
>>> Is anyone else experiencing this issue:
>>> When I edit and validate a UBL 2.0 supplied GC file using XMLSpy 2006
>>> SP3, I get this error: "Unable to locate a reference to a supported
>>> schema type (DTD, W3C Schema) within this document instance." So far, I
>>> understand (well, it is more of a deducting guess really) that XMLSpy  
>>> is
>>> doing this:
>>> - if no schemaLocation is present, validation is stopped immediately
>>> with the above error message
>>> - if the schemaLocation attribute is found (the named file however may
>>> be bogus), then the CustomCatalog.xml file (part of XMLSpy  
>>> installation,
>>> and a subset of OASIS XML catalog) is checked:
>>>     - if an matching uri name= entry is found in the catalog, then the
>>> specified uri= file location is used for the validation (and the one
>>> specified in schemaLocation is ignored).
>>>     - if no matching uri name= entry is found, then the file name in  
>>> the
>>> schemaLocation attribute is used to validate, or an error reported if
>>> that file cannot be found.
>>> It appears to me that XMLSpy requires a schemaLocation attribute even  
>>> if
>>> a XML catalog is used to define the storage location.
>>> Or is it something to do with my XMLSpy configuration?
>>> Regards
>>> Juerg
>> --
>> Anthony B. Coates
>> Senior Partner
>> Miley Watts LLP
>> Experts In Data
>> +44 (79) 0543 9026
>> Data standards participant: ISO 20022 (ISO 15022 XML), ISO 19312,
> --
> UBL/XML/XSLT/XSL-FO training: Vårø, Denmark 2006-10-02/06,11-20/24
> UBL International 2006  2006-11-13/17 http://www.ublconference.com
> World-wide corporate, govt. & user group UBL, XSL, & XML training.
> G. Ken Holman                 mailto:gkholman@CraneSoftwrights.com
> Crane Softwrights Ltd.          http://www.CraneSoftwrights.com/o/
> Box 266, Kars, Ontario CANADA K0A-2E0    +1(613)489-0999 (F:-0995)
> Male Cancer Awareness Aug'05  http://www.CraneSoftwrights.com/o/bc
> Legal business disclaimers:  http://www.CraneSoftwrights.com/legal

Anthony B. Coates
Senior Partner
Miley Watts LLP
Experts In Data
+44 (79) 0543 9026
Data standards participant: ISO 20022 (ISO 15022 XML), ISO 19312,  

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