public TRS SendRequest <TRS>(ProtoRequest protoRequest)
{
if (protoRequest == null)
{
throw new ArgumentNullException("protoRequest");
}
var requestPayload = protoRequest.Request == null ? null : SerializeToJson(protoRequest.Request);
var requestHeaders = protoRequest.RequestHeaders ?? new Dictionary <string, string>();
string existingAcceptTypes;
requestHeaders.TryGetValue("accept", out existingAcceptTypes);
requestHeaders["accept"] = RestfulServiceConstants.ProtoContentType +
(string.IsNullOrEmpty(existingAcceptTypes)
? string.Empty
: "," + existingAcceptTypes);
requestHeaders["content-type"] = RestfulServiceConstants.JsonContentType;
byte[] response;
WebHeaderCollection responseHeaders;
using (var client = new ExtendedWebClient(protoRequest.Timeout))
{
foreach (var requestHeader in requestHeaders)
{
client.Headers.Add(requestHeader.Key, requestHeader.Value);
}
var method = protoRequest.Method ?? "GET";
if (string.Equals(method, "GET", StringComparison.OrdinalIgnoreCase))
{
response = client.DownloadData(protoRequest.ServiceUri);
}
else
{
byte[] requestPayloadBytes;
if (string.IsNullOrEmpty(requestPayload))
{
requestPayloadBytes = new byte[0];
}
else
{
requestPayloadBytes = Encoding.UTF8.GetBytes(requestPayload);
}
response = client.UploadData(protoRequest.ServiceUri, method, requestPayloadBytes);
}
responseHeaders = client.ResponseHeaders;
}
ResponseHeaders = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
foreach (var responseHeaderKey in responseHeaders.AllKeys)
{
ResponseHeaders.Add(responseHeaderKey, responseHeaders.Get(responseHeaderKey));
}
var responseContentType = ResponseHeaders["content-type"];
if (responseContentType.Equals(RestfulServiceConstants.ProtoContentType, StringComparison.OrdinalIgnoreCase))
{
string modelKey;
if (!ResponseHeaders.TryGetValue(RestfulServiceConstants.RqModelTypeHeaderKey, out modelKey))
{
throw new InvalidDataException("The server sent a protoBuf response with no model key in the header, the service on the server side is behaving in an unexpected manner, contact the service administrator.");
}
var metaDataKey = GetMetaDataKey(protoRequest, modelKey);
var metaData = MetaDatas.GetOrAdd(metaDataKey, s => GetMetaData(protoRequest, modelKey));
var serializer = ObjectBuilder.GetSerializer();
try
{
return(serializer.Deserialize <TRS>(response, metaData, ModeType.WebAPI));
}
catch
{
ClearMetaData(protoRequest);
throw;
}
}
if (IsContentTypeSupported(responseContentType)) //deliberately put before json, in case custom json serialization is required.
{
return(DeserializeData <TRS>(responseContentType, response));
}
if (responseContentType.Equals(RestfulServiceConstants.JsonContentType, StringComparison.OrdinalIgnoreCase))
{
return(JsonSerializer.FromJson <TRS>(response));
}
throw new InvalidDataException(string.Format(
"The response returned by the server did not contain a supported content-type header value, the returned content type was '{0}', supported types are '{1}' & {2}",
responseContentType, RestfulServiceConstants.ProtoContentType, RestfulServiceConstants.JsonContentType));
}
