private GeneratorRegistry addGeneratorRegistryToConfig(JawrConfig config, String type) {
    GeneratorRegistry generatorRegistry =
        new GeneratorRegistry(type) {
          private static final long serialVersionUID = 1L;

          public boolean isHandlingCssImage(String cssResourcePath) {

            boolean result = false;
            if (cssResourcePath.startsWith("jar:")) {
              result = true;
            }
            return result;
          }
        };
    generatorRegistry.setConfig(config);
    config.setGeneratorRegistry(generatorRegistry);
    return generatorRegistry;
  }