in src/main/java/com/spotify/ffwd/http/RawHttpClient.java [56:71]
private Observable<Void> sendBatch(final Object batch, final String url) {
final byte[] body;
try {
body = mapper.writeValueAsBytes(batch);
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}
final Request.Builder request = new Request.Builder();
request.url(baseUrl + "/" + url);
request.post(RequestBody.create(MediaType.parse("application/json"), body));
return execute(request);
}