ReplayHttps.java

// Specify scene file path
String filePath = "/hello/world/flashback";
String sceneName = "playbackMe";
SceneMode sceneMode = SceneMode.PLAYBACK;
//Optional
String proxyHost = "localhost";
int port = 1234;

// Create scene config which contains most of scene properties
SceneConfiguration sceneConfiguration = new SceneConfiguration(filePath, sceneMode, sceneName);

// Initialize FlashbackRunner with Scene, MatchRule etc
try (FlashbackRunner flashbackRunner = new FlashbackRunner.Builder().host(proxyHost).port(port).mode(sceneMode).sceneAccessLayer(
    new SceneAccessLayer(SceneFactory.create(sceneConfiguration), MatchRuleUtils.matchEntireRequest())).build()) {
  flashbackRunner.start();

  //Write client code below 
  //It can be any standard Http call. I use Apache HttpClient as an example.
  //Just make sure your request go through proxy that we specified above(host, port)
  HttpHost host = new HttpHost(proxyHost, port);
  String url = "http://www.example.org/";
  HttpClient client = HttpClientBuilder.create().setProxy(host).build();
  HttpGet request = new HttpGet(url);
  HttpResponse httpResponse = client.execute(request);
  //End of client code
}