_dom.setDocumentURI(_systemId);
if (!_isIdentity) {  _dom.setDocumentURI(_systemId); }
    public void startDocument() throws SAXException {	// Make sure setResult() was called before the first SAX event	if (_result == null) {	    ErrorMsg err = new ErrorMsg(ErrorMsg.JAXP_SET_RESULT_ERR);	    throw new SAXException(err.toString());	}	// Set document URI	_dom.setDocumentURI(_systemId);	// Proxy call	_handler.startDocument();    }