private javax.servlet.Servlet child;
public void init(ServletConfig servletConfig) throws ServletException {
this.servletConfig = servletConfig;
final IConfig config =
new ChainedConfig(new ServletConfigConfig(servletConfig),
new ServletContextConfig(servletConfig.getServletContext()));
factory = Util.getFactory(config, Util.RUBY_FACTORY);
factory.reference(this);
child = factory.makeServlet(servletConfig);
}