@Override public Request prepareRequest(final Context context, final RequestDetails details) { final com.squareup.okhttp.Request.Builder builder = new com.squareup.okhttp.Request.Builder(); final List<PostField> postFields = details.getPostFields(); if (postFields != null) { builder.post( RequestBody.create( MediaType.parse("application/x-www-form-urlencoded"), PostField.encodeList(postFields))); } else { builder.get(); } builder.url(details.getUrl().toString()); builder.cacheControl(CacheControl.FORCE_NETWORK); final AtomicReference<Call> callRef = new AtomicReference<>(); return new Request() { public void executeInThisThread(final Listener listener) { final Call call = mClient.newCall(builder.build()); callRef.set(call); try { final Response response; try { response = call.execute(); } catch (IOException e) { listener.onError(CacheRequest.REQUEST_FAILURE_CONNECTION, e, null); return; } final int status = response.code(); if (status == 200 || status == 202) { final ResponseBody body = response.body(); final InputStream bodyStream; final Long bodyBytes; if (body != null) { bodyStream = body.byteStream(); bodyBytes = body.contentLength(); } else { // TODO error bodyStream = null; bodyBytes = null; } final String contentType = response.header("Content-Type"); listener.onSuccess(contentType, bodyBytes, bodyStream); } else { listener.onError(CacheRequest.REQUEST_FAILURE_REQUEST, null, status); } } catch (Throwable t) { listener.onError(CacheRequest.REQUEST_FAILURE_CONNECTION, t, null); } } @Override public void cancel() { final Call call = callRef.getAndSet(null); if (call != null) { call.cancel(); } } @Override public void addHeader(final String name, final String value) { builder.addHeader(name, value); } }; }