JUnit test for W3C Schemas

public void testSchemaValidOutput() throws SAXException {

  File f = new File("filename.xml");
  InputSource in = new InputSource(new FileInputStream(f));

  XMLReader parser = XMLReaderFactory.createXMLReader("org.apache.xerces.parsers.SAXParser"); 
  parser.setFeature("http://xml.org/sax/features/validation", true);
  parser.setFeature("http://apache.org/xml/features/validation/schema", true);
  parser.setProperty(
   "http://apache.org/xml/properties/schema/external-noNamespaceSchemaLocation", 
   "examples/plist.xsd");
  // also http://apache.org/xml/properties/schema/external-schemaLocation
  parser.setErrorHandler(new ErrorHandler() {

  public void warning(SAXParseException exception) throws SAXException {
    // skip
  }

  public void error(SAXParseException exception) throws SAXException {
    throw exception;      
  }

  public void fatalError(SAXParseException exception) throws SAXException {
    throw exception;       
  }
    
  });
  parser.parse(in);
  
}