send method Null safety

  1. @override
Future<StreamedResponse> send(
  1. BaseRequest request
)
override

Sends an HTTP request and asynchronously returns the response.

Implementers should call BaseRequest.finalize to get the body of the request as a ByteStream. They shouldn't make any assumptions about the state of the stream; it could have data written to it asynchronously at a later point, or it could already be closed when it's returned. Any internal HTTP errors should be wrapped as ClientExceptions.

Implementation

@override
Future<http.StreamedResponse> send(http.BaseRequest request) async {
  if (addCorrelationHeaders) {
    final correlationHeaders =
        await RequestTracker.getServerCorrelationHeaders();
    request.headers.addAll(correlationHeaders);
  }

  final urlString = request.url.toString();
  tracker = await RequestTracker.create(urlString);

  return _httpClient.send(request).then((response) async {
    final headers = response.request?.headers ?? request.headers;

    await tracker!.setRequestHeaders(headers);
    await tracker!.setResponseStatusCode(response.statusCode);
    await tracker!.setResponseHeaders(response.headers);

    return response;
  }, onError: (e, StackTrace stacktrace) async {
    await tracker!.setError(e.toString(), stacktrace.toString());
    throw e;
  }).whenComplete(() async {
    await tracker!.reportDone();
  });
}