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Bug #3068
closed
Cannot output a namespace node for the default namespace when the element is in no namespace
Start date:
2016-12-13
Due date:
% Done:
100%
Estimated time:
Legacy ID:
Applies to branch:
9.7, 9.8
Fix Committed on Branch:
9.7, 9.8
Description
When an XML element is defined in the XML Schema as having a namespaced attribute with a default value, the identity transform breaks when serializing the XML.
XML defAttr.xml
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:noNamespaceSchemaLocation="main.xsd"/>
XML Schema main.xsd
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"
xmlns:ns1="defAttrNS">
<xs:import namespace="defAttrNS" schemaLocation="attributes.xsd"/>
<xs:element name="root">
<xs:complexType>
<xs:attribute ref="ns1:defAttr1" default="defVal"/>
</xs:complexType>
</xs:element>
</xs:schema>
Java code:
public class RunTransformationWithSAXParser {
private static ErrorListener errorListener = new ErrorListener() {
@Override
public void warning(TransformerException ex) throws TransformerException {
System.out.println("Warning: " + ex + "\nLocation: " + ex.getLocator());
}
@Override
public void fatalError(TransformerException ex) throws TransformerException {
System.out.println("Error: " + ex.getMessage());
}
@Override
public void error(TransformerException ex) throws TransformerException {
System.out.println("Error: " + ex + "\nLocation: " + ex.getLocator());
}
};
private static String xmlPath = "samples/dita_xsd_based/defAttr.xml";
private static String outPath = "samples/dita_xsd_based/out.xml";
public static void main(String[] args) throws TransformerException, InterruptedException, SAXNotRecognizedException, SAXNotSupportedException {
// Create transformer
TransformerFactoryImpl transformerFactory = new EnterpriseTransformerFactory();
transformerFactory.setErrorListener(errorListener);
transformerFactory.getConfiguration().setConfigurationProperty(
FeatureKeys.SCHEMA_VALIDATION_MODE,
Validation.toString(Validation.STRICT));
transformerFactory.setAttribute(net.sf.saxon.lib.FeatureKeys.XSLT_SCHEMA_AWARE, true);
Transformer transformer = transformerFactory.newTransformer();
transformer.setErrorListener(errorListener);
// Create XML SAX source
SAXSource xmlSource = new SAXSource(new InputSource(new File(xmlPath).toURI().toString()));
SAXParser saxParser = new SAXParser();
//EXM-11081 Set this feature so that the default attributes from the schema are reported...
saxParser.setFeature("http://apache.org/xml/features/validation/schema", true);
xmlSource.setXMLReader(saxParser);
// Output stream result
File outFile = new File(outPath);
if (outFile.exists()) {
outFile.delete();
}
Result outputTarget = new StreamResult(outFile);
// Run transformation
System.out.println("Run transformation...");
try {
transformer.transform(xmlSource, outputTarget);
System.out.println("Transformation done.");
} catch (Exception e) {
System.out.println("Transformation failed: " + e);
e.printStackTrace();
}
}
}
This used to work with Saxon prior to 9.7. Looking at this answer to a similar question on the Xerces mailing list:
http://mail-archives.apache.org/mod_mbox/xerces-j-users/201612.mbox/browser
it would seem that Xerces is not required to provide a qname for the default attribute on the SAX calls, it only provides local name and namespace.
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