code: public void handle(String pathInContext,
                         String pathParams,
                         HttpRequest request,
                         HttpResponse response)
          throws HttpException, IOException
      {
          log.debug("Not Found");
          String method=request.getMethod();
          
          // Not found  requests.
          if (method.equals(HttpRequest.__GET)    ||
              method.equals(HttpRequest.__HEAD)   ||
              method.equals(HttpRequest.__POST)   ||
              method.equals(HttpRequest.__PUT)    ||
              method.equals(HttpRequest.__DELETE) ||
              method.equals(HttpRequest.__MOVE)   )
          {
              response.sendError(HttpResponse.__404_Not_Found,
                                 request.getPath()+" Not Found");
          }
          
          else if (method.equals(HttpRequest.__OPTIONS))
          {
              // Handle OPTIONS request for entire server
              if ("*".equals(request.getPath()))
              {
                  // 9.2
                  response.setIntField(HttpFields.__ContentLength,0);
                  response.setField(HttpFields.__Allow,
                                    "GET, HEAD, POST, PUT, DELETE, MOVE, OPTIONS, TRACE");
                  response.commit();
              }
              else
                  response.sendError(HttpResponse.__404_Not_Found);
          }
          else if (method.equals(HttpRequest.__TRACE))
          {
              handleTrace(request,response);
          }
          else
          {
              // Unknown METHOD
              response.setField(HttpFields.__Allow,
                                "GET, HEAD, POST, PUT, DELETE, MOVE, OPTIONS, TRACE");
              response.sendError(HttpResponse.__405_Method_Not_Allowed);
          }
      }
docs: /* ------------------------------------------------------------