public void streamSimpleRequest() {
String url = "http://example.com";
// #stream-count-bytes
// Make the request
CompletionStage<StreamedResponse> futureResponse = ws.url(url).setMethod("GET").stream();
CompletionStage<Long> bytesReturned =
futureResponse.thenCompose(
res -> {
Source<ByteString, ?> responseBody = res.getBody();
// Count the number of bytes returned
Sink<ByteString, scala.concurrent.Future<Long>> bytesSum =
Sink.fold(0L, (total, bytes) -> total + bytes.length());
// Converts the materialized Scala Future into a Java8 `CompletionStage`
Sink<ByteString, CompletionStage<Long>> convertedBytesSum =
bytesSum.mapMaterializedValue(FutureConverters::toJava);
return responseBody.runWith(convertedBytesSum, materializer);
});
// #stream-count-bytes
}
