code: public void preRequest(RequestInterceptorContext ctxt, InterceptorChain chain) throws InterceptorException
      {
          HttpServletRequest request = ctxt.getRequest();
  
          String cmd = parseCommand(request.getRequestURI());
          render(request, ctxt.getResponse(), ctxt.getServletContext(), cmd);
  
          chain.continueChain();
      }
docs: Implementation of the {@link RequestInterceptor#preRequest(org.apache.beehive.netui.pageflow.interceptor.request.RequestInterceptorContext, org.apache.beehive.netui.pageflow.interceptor.InterceptorChain)}
  method for using this class as part of a request interceptor chain.
  
  @param ctxt the interceptor's context object
  @param chain the interceptor chain
  @throws InterceptorException any exception thrown during processing