org.jboss.resteasy.spi.FactoryFinder doesn't close resources

if (f.exists()) {
   Properties props = new Properties();
   props.load(new FileInputStream(f));
   String factoryClassName = props.getProperty(factoryId);
   return newInstance(factoryClassName, classLoader);
}

if (is != null) {
        BufferedReader rd = new BufferedReader(new InputStreamReader(is, "UTF-8"));

        String factoryClassName = rd.readLine();
        rd.close();

        if (factoryClassName != null && !"".equals(factoryClassName)) {
        return newInstance(factoryClassName, classLoader);
        }
}