Still can't see what the problem is, there is no mention of restrictions on using the xsi:type apart from if declared as a attributed!
"Anoop Singh"
<anoop.singh@w To: <[EMAIL PROTECTED]>
ipro.com> cc:
Subject: RE: Schema validation
problem with xsi:type
17/12/2002
12:26
Plz. go thgh the following link
http://www.ccs.neu.edu/research/demeter/DemeterJSR31/implementation/docs/Restrictions
Regds
Anoop Singh
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Tue 12/17/2002 4:58 PM
To: [EMAIL PROTECTED]
Cc:
Subject: Schema validation problem with xsi:type
I have problems when attempting to use the xsi:type parameter in a schema
with Xerces. Here is a sample schema.
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";>
<xs:complexType name="_Transaction" abstract="true">
<xs:sequence>
<xs:element name="user_id"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="_Transaction_Login">
<xs:complexContent>
<xs:extension base="_Transaction">
<xs:sequence>
<xs:element name="password"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:complexType name="_Transaction_Submit">
<xs:complexContent>
<xs:extension base="_Transaction">
<xs:sequence>
<xs:element name="application_number">
</xs:element>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:element name="Request">
<xs:complexType name="">
<xs:sequence>
<xs:element name="Transaction" type="_Transaction"/>
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:schema>
If I validate it with the following XML in XML Spy then it works fine.
<?xml version="1.0" encoding="UTF-8"?>
<Request xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";>
<Transaction xsi:type="_Transaction_Login">
<user_id>test</user_id>
<password>xxx</password>
</Transaction>
</Request>
Under Xerces it reports the following error
Parsing error: Document root element "Request", must match DOCTYPE root
"null".
Parsing error: Document is invalid: no grammar found.
The test code I'm using is
this._parser = new SAXParser();
this._parser.setFeature
("http://xml.org/sax/features/validation",true);
this._parser.setProperty
("
http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation
",
"/test/test3.xsd");
this._parser.setErrorHandler(this.new B2BSaxHandler());
String xml = "<Request xmlns:xsi
=\"http://www.w3.org/2001/XMLSchema-instance\";>"+
"<Transaction xsi:type=\"_Transaction_Login\">"+
"<user_id>test</user_id>"+
"<password>xxx</password>"+
"</Transaction>"+
"</Request>";
System.out.println(xml);
StringReader data = new StringReader(xml);
_parser.parse(new org.xml.sax.InputSource(data));
_parser.reset();
Any help is appreciated!
Jasbir
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