}

       XMLReader xmlReader = saxParser.getXMLReader();
       SAXSource source = 
           new SAXSource( xmlReader, new InputSource( "http://..." ) );

       // Setup Jakarta XML Binding to unmarshal
       JAXBContext jc = JAXBContext.newInstance( "com.acme.foo" );
       Unmarshaller u = jc.createUnmarshaller();
       ValidationEventCollector vec = new ValidationEventCollector();
       u.setEventHandler( vec );
       
       // turn off the Jakarta XML Binding provider's default validation mecha