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I can't immediately see anything wrong with it. What do other validators
say?
Michael Kay
http://www.saxonica.com/
> -----Original Message-----
> From: Christopher Foley [mailto:ccfoley@gmail.com]
> Sent: 25 July 2006 11:19
> To: xml-dev@lists.xml.org; Michael Kay
> Subject: Re: [xml-dev] Schema Extension and validation of an instance
>
> Hi,
>
> Thanks to all for the info. The redefinition of the IPDR
> element works fine.
>
> But I am getting some difficulty when using the xsi:type alternative;
>
> My new complex type is as follows(newComplexType.xsd);
> *************
> <?xml version = "1.0" encoding = "UTF-8"?> <schema
> xmlns="http://www.w3.org/2001/XMLSchema";
> targetNamespace="http://www.ipdr.org/namespaces/IPDR";
> xmlns:ccf="http://www.mySchema.com/ccf";
> xmlns:ipdr="http://www.ipdr.org/namespaces/IPDR";>
>
> <import namespace="http://www.mySchema.com/ccf";
> schemaLocation="ccf.xsd"/>
>
> <complexType name="IPDRTypeExtended">
> <complexContent>
> <extension base="ipdr:IPDRType">
> <sequence>
> <element name="ccf:transactionID" type="string" minOccurs="0"/>
> <element name="ccf:serviceID" type="string" minOccurs="0" />
> <element name="ccf:serviceName" type="string" minOccurs="0" />
> <element name="ccf:customerID" type="string" minOccurs="0" />
> <element name="ccf:sessionID" type="string" minOccurs="0" />
> <element name="ccf:timeZoneOffset" type="string"
> minOccurs="0" /> </sequence> </extension> </complexContent>
> </complexType>
>
> I don't redefine the IPDR element, I just use the xsi:type
> method in the instance document as follows;
> *****************************
> <?xml version="1.0"?>
> <ipdr:IPDR xmlns="http://www.mySchema.com/ccf";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xmlns:ipdr="http://www.ipdr.org/namespaces/IPDR";
> xsi:schemaLocation="http://www.mySchema.com/ccf
> ccf.xsd http://www.ipdr.org/namespaces/IPDR newComplexType.xsd"
> xsi:type="ipdr:IPDRTypeExtended">
>
>
> <ipdr:IPDRCreationTime>2001-05-31T13:20:00.561Z</ipdr:IPDRCrea
> tionTime>
> <ipdr:seqNum>1</ipdr:seqNum>
> <transactionID>1</transactionID>
> <serviceID>1</serviceID>
> <serviceName>New</serviceName>
> <customerID>Chris</customerID>
> <sessionID>1</sessionID>
> <timeZoneOffset>12</timeZoneOffset>
> </ipdr:IPDR>
>
> On validating this instance, it tells me that
>
> 'Type {http://www.ipdr.org/namespaces/IPDR}IPDRTypeExtended
> is not found in schema.'
>
> This is coming from -> xsi:type="ipdr:IPDRTypeExtended"
>
> But it is defined in the schema(newComplexType.xsd). And it
> is also part of the http://www.ipdr.org/namespaces/IPDR
> namespace. I have looked at the specs for sample uses of
> xsi:type and what I'm doing looks correct, I think!!!
>
> I am somewhat confused as to why it is not validating(using
> Xselerator to do the validation).
>
> Any pointers??
>
> Best Regards,
> Chris.
> On 7/18/06, Michael Kay <mike@saxonica.com> wrote:
> > > Do I need to redefine the IPDR element itself to be of type
> > > 'IPDRTypeExtended'??
> >
> > Yes. You've defined an extended type, but the element declaration
> > still refers to the original type. You can create an instance that
> > conforms to the extended type by giving it an xsi:type attribute.
> >
> > Michael Kay
> > http://www.saxonica.com/
> >
> >
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