Hello,
I try to validate an XML document (a DOM document built in memory) using a
Validator, I need the
Xerces Validator for knowing the exact DOM part having error.
Using Xerces 2.9.1, I can't validate my document, each time it returns me
that It can't find the declaration of the Root element. If I switch to the
default the JDK 5 validator, it works ??
Someone have an idea ? Why Xerces can't find the root declaration ? I'm sure
my XSD document correct and the path is correct too. Tracing It seems Xerces
doesn't load correctly the grammar in the XMLSchema.
Thank you for your help !
import java.io.File;
import java.io.IOException;
import java.net.URL;
import javax.xml.XMLConstants;
import javax.xml.transform.dom.DOMSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;
import javax.xml.validation.Validator;
import org.w3c.dom.Document;
import org.xml.sax.ErrorHandler;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
public class XSDValidator implements ErrorHandler {
private Validator validator = null;
public XSDValidator( String schemaURI ) throws Exception {
System.setProperty(
"javax.xml.validation.SchemaFactory:" +
XMLConstants.W3C_XML_SCHEMA_NS_URI,
"org.apache.xerces.jaxp.validation.XMLSchemaFactory" );
SchemaFactory schemaFactory = SchemaFactory.newInstance(
XMLConstants.W3C_XML_SCHEMA_NS_URI );
Schema schema = null;
if ( schemaURI.indexOf( "://" ) > -1 )
schema =
schemaFactory.newSchema(
new URL( schemaURI ) );
else
schema =
schemaFactory.newSchema(
new File( schemaURI )
);
validator = schema.newValidator();
validator.setErrorHandler( this );
}
private boolean error = false;
private String errorMessage = null;
public boolean validate( Document source ) {
error = false;
errorMessage = null;
try {
validator.validate( new DOMSource( source ) );
} catch (SAXException e) {
errorMessage = e.getMessage();
error = true;
} catch (IOException e) {
errorMessage = e.getMessage();
error = true;
}
return !error;
}
public String getErrorMessage() { return errorMessage; }
public void error(SAXParseException exception) throws SAXException {
if ( !error ) {
errorMessage = exception.getMessage();
// validator.getProperty(
"http://apache.org/xml/properties/dom/current-element-node"; );
error = true;
}
}
public void fatalError(SAXParseException exception) throws SAXException
{
if ( !error ) {
errorMessage = exception.getMessage();
error = true;
}
}
public void warning(SAXParseException exception) throws SAXException {
}
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