public void checkCssFile(File file, boolean asUTF8) throws IOException,
            SAXException {
        validator.reset();
        InputSource is = new InputSource(new FileInputStream(file));
        is.setSystemId(file.toURI().toURL().toString());
        if (asUTF8) {
            is.setEncoding("UTF-8");
        }
        checkAsCss(is);
    }
@param allowCss
           The allowCss to set.
src/nu/validator/validation/SimpleDocumentValidator.java