this.parser = parser;
try {
parse(new InputSource(ParserContext.class.getResource("datatypes.xsd").toExternalForm()));
SchemaImpl xs = (SchemaImpl)
schemaSet.getSchema("http://www.w3.org/2001/XMLSchema");
xs.addSimpleType(schemaSet.anySimpleType,true);
xs.addComplexType(schemaSet.anyType,true);
} catch( SAXException e ) {
// this must be a bug of XSOM
if(e.getException()!=null)
e.getException().printStackTrace();
else