@Override public Eventual<LiveHttpResponse> handle(LiveHttpRequest request, HttpInterceptor.Context context) { HttpResponse.Builder responseBuilder = standardResponse.newBuilder() .headers(request.headers()) .header(STUB_ORIGIN_INFO, origin.applicationInfo()); return Eventual.of(Optional.ofNullable(responseBuilder) .map(it -> request.queryParam("status") .map(status -> it.status(httpResponseStatus(status)) .body("Returning requested status (" + status + ")", UTF_8)) .orElse(it)) .map(it -> request.queryParam("length") .map(length -> it.body(generateContent(parseInt(length)), UTF_8)) .orElse(it)) .orElse(responseBuilder) .build() .stream()); }