onError method

@override FutureOr<HttpRequest> onError(dynamic response)

Error

Implementation

@override
FutureOr<html.HttpRequest> onError(final response) {
  final completer = Completer<html.HttpRequest>();
  // Process the error response
  if (response.target.status != 0) {
    try {
      final dynamic errorAsJson =
          jsonobject.JsonObjectLite<dynamic>.fromJsonString(
              response.target.responseText);
      generateErrorResponse(errorAsJson, response.target.status);
      allResponseHeaders = response.target.getAllResponseHeaders();
      completer.complete(response.target);
      return completer.future;
    } on Exception {
      final dynamic errorAsJson = jsonobject.JsonObjectLite<dynamic>();
      errorAsJson.message = 'JSON Decode failure';
      generateErrorResponse(errorAsJson, response.target.status);
      allResponseHeaders = response.target.getAllResponseHeaders();
      completer.complete(response.target);
      return completer.future;
    }
  } else {
    final dynamic errorAsJson = jsonobject.JsonObjectLite<dynamic>();
    generateErrorResponse(errorAsJson, response.target.status);
    completer.complete(response.target);
    return completer.future;
  }
}