/* setting netfunnel config */
  fun nfInit() {
      /*
       * 1. AppName, 2. tenant API Server URL, 3. tenant Netfunnel Server URL, 4. netfunnel setting server URL,
       * 5. eum Server URL, 6. activity(waiting page on this activity), 7. context
       */
      Netfunnel.Init(
           "MyAppName",
           "{tenant API URL}",
           "{tenant NF URL}",
           "{nf-setting URL}",
           "{eum URL}",
           this,
           this.baseContext
       )
   }

  /*
    Netfunnel Logic Start
  */
  fun netfunnelStart() {
      /*
        * Action
        */
      val myInterface = object : AgentInterface() {
          override fun onSuccess() {  // call when no more waiting.
              object : Thread() {
                  override fun run() {
                      /**
                        * to do what you want to after no more waiting
                        * example, connect to another URL
                        */
                      try {
                          val url = URL("{serviceURL}")
                          val conn = url.openConnection() as HttpURLConnection
                          if (conn != null) {
                              conn.connectTimeout = 10000
                              conn.requestMethod = "GET"
                              conn.readTimeout = 10000
                              conn.doInput = true
                              val inputStream = conn.inputStream
                              val br = BufferedReader(InputStreamReader(inputStream, "UTF-8"))
                              conn.disconnect()
                          }
                      } catch (e: IOException) {
                          e.printStackTrace()
                      }
                      super.run()
                      /*
                        * example end
                        */
                  }
              }.start()
          }
          /* Optional */
          override fun onCancel(_cancelURL: String) {
              if( _cancelURL == "" ) {
                  return
              }
              /* do something what you want */
              
          }
      }
      /*
       * the URL which you want to enter after Addmission check
       */
      Netfunnel.nfStart("{service URL}", myInterface)/* netfunnel logic start! */
  }

    /* setting netfunnel config */ 
    public void nfInit() {
       /*
        * 1. AppName, 2. tenant API Server URL, 3. tenant Netfunnel Server URL, 4. netfunnel setting server URL,
        * 5. eum Server URL, 6. activity(waiting page on this activity), 7. context
        */
        Netfunnel.Init("MyAppName", "{tenant API URL}", "{tenant NF URL}", "{nf-setting URL}", "{eum URL}", this, this.getBaseContext());
    }

    public void useHttpURLConnection() {
        /*
         * Addmission check Action
         */
        AgentInterface myInterface = new AgentInterface() {
            @Override
            public void onSuccess() { // This function is where the operation is implemented after the wait time check is completed and the entry is allowed.
                new Thread() {
                    @Override
                    public void run() {
                        /**
                         * to do what you want to after the waiting (or non waiting)
                         * example, connect to another URL
                         */
                        java.net.URL url = null;
                        try {
                            url = new URL("{service URL}");
                            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
                            if (conn != null) {
                                conn.setConnectTimeout(10000);
                                conn.setReadTimeout(10000);
                                conn.setRequestMethod("GET");
                                conn.setDoInput(true);
                                InputStream inputStream = conn.getInputStream();
                                BufferedReader br = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
                                conn.disconnect();
                            }
                        } catch (IOException e) {
                            e.printStackTrace();
                        }
                        super.run();
                        /*
                         * example end
                         */
                    }
                }.start();
            }
            @Override
            public void onCancel(@NonNull String _cancelURL) {
                if( _cancelURL == "" ) {
                    return;
                }
                /* do something what you want */
                
            }
        };
       /*
        * the URL which you want to enter after Addmission check
        */
        Netfunnel.nfStart("{service URL}", myInterface);/* netfunnel logic start! */
    }