Hello,
An XMLGrammarLoader for schemas needs to be registered with the
XMLGrammarPreparser. Have a look at the xni.XMLGrammarBuilder sample. You
can register the built-in schema loader like this:
parser.registerPreparser(XMLGrammarDescription.XML_SCHEMA, null);
Hope that helps.
On Fri, 23 Apr 2004, Neil Blue wrote:
> Hello,
>
> I am using xerces 2.6.2, and I am trying to preparse a schema. Here is the
> test code that I am using:
>
> import org.apache.xerces.xni.parser.*;
> import org.apache.xerces.parsers.*;
> import org.apache.xerces.xni.grammars.*;
> import java.io.*;
>
> public class PSVITest
> {
> public static void main(String[] args)
> throws Exception
> {
> System.out.println("PSVI Test");
> XMLInputSource in = new XMLInputSource(null, null, null);
> in.setCharacterStream(new FileReader("test.xsd"));
> XMLGrammarPreparser parser = new XMLGrammarPreparser();
> Grammar grammar =
> parser.preparseGrammar(XMLGrammarDescription.XML_SCHEMA
> ,in);
> System.out.println(grammar);
> }
> }
>
> Schema file:
>
> <?xml version="1.0"?>
> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema";
> targetNamespace="http://www.w3schools.com";
> xmlns="http://www.w3schools.com";
> elementFormDefault="qualified">
>
> <xs:element name="note">
> <xs:complexType>
> <xs:sequence>
> <xs:element name="to" type="xs:string"/>
> <xs:element name="from" type="xs:string"/>
> <xs:element name="heading" type="xs:string"/>
> <xs:element name="body" type="xs:string"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
>
> </xs:schema>
>
> This just produces null outputs:
>
> PSVI Test
> null
>
> Please can anyone tell me how I can produce a parsed schema grammar?
>
> Thanks
> Neil Blue
>
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>
---------------------------
Michael Glavassevich
XML Parser Development
IBM Toronto Lab
E-mail: mrglavas@xxxxxxxxxx
E-mail: mrglavas@xxxxxxxxxx
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