@Override protected HttpResponse invoke(Request nativeRequest) throws IOException, InterruptedException { OkHttpClient requestScopedClient = globalClient.clone(); requestScopedClient.setProxy(proxyForURI.apply(nativeRequest.uri())); Response response = requestScopedClient.newCall(nativeRequest).execute(); HttpResponse.Builder<?> builder = HttpResponse.builder(); builder.statusCode(response.code()); builder.message(response.message()); Builder<String, String> headerBuilder = ImmutableMultimap.builder(); Headers responseHeaders = response.headers(); for (String header : responseHeaders.names()) { headerBuilder.putAll(header, responseHeaders.values(header)); } ImmutableMultimap<String, String> headers = headerBuilder.build(); if (response.code() == 204 && response.body() != null) { response.body().close(); } else { Payload payload = newInputStreamPayload(response.body().byteStream()); contentMetadataCodec.fromHeaders(payload.getContentMetadata(), headers); builder.payload(payload); } builder.headers(filterOutContentHeaders(headers)); return builder.build(); }