private TResponse HandleResponse <TResponse>(ClientExecutionContext context, WebResponse webResponse)
{
if (DeserializeResponseUseMemoryStream)
{
return(HandleResponseUseMemoryStream <TResponse>(context, webResponse));
}
ApplyWebResponseFilters(webResponse);
TResponse response;
using (var responseStream = webResponse.GetResponseStream())
{
Stopwatch deserializationWatch = new Stopwatch();
try
{
deserializationWatch.Start();
response = (TResponse)context.CallFormat.StreamDeserializer(typeof(TResponse), responseStream);
context.Response = response;
}
catch (WebException ex)
{
var webEx = ExceptionFactory.CreateWebException(ex);
throw webEx;
}
catch (Exception)
{
throw;
}
finally
{
deserializationWatch.Stop();
context.Metrics.DeserializationTime = deserializationWatch.ElapsedMilliseconds;
}
}
if (!HandleServiceErrorManually)
{
CheckResponseFailure(response as IHasResponseStatus);
}
return(response);
}
private TResponse HandleResponseUseMemoryStream <TResponse>(ClientExecutionContext context, WebResponse webResponse)
{
ApplyWebResponseFilters(webResponse);
TResponse response;
using (MemoryStream ms = new MemoryStream())
{
string responseTypeName = typeof(TResponse).FullName;
using (var responseStream = webResponse.GetResponseStream())
{
var readStreamTransaction = new CatTransaction("SOA2Client.deserialization.readStream", responseTypeName);
try
{
readStreamTransaction.Start();
responseStream.CopyTo(ms);
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
readStreamTransaction.MarkSuccess();
}
catch (Exception ex)
{
readStreamTransaction.MarkFailure(ex);
throw;
}
finally
{
readStreamTransaction.End();
}
}
var deserializeTransaction = new CatTransaction(CatSerializationTypes.ClientDeserializationCall, responseTypeName);
Stopwatch deserializationWatch = new Stopwatch();
try
{
deserializationWatch.Start();
deserializeTransaction.Start();
response = (TResponse)context.CallFormat.StreamDeserializer(typeof(TResponse), ms);
deserializeTransaction.MarkSuccess();
context.Response = response;
}
catch (WebException ex)
{
var webEx = ExceptionFactory.CreateWebException(ex);
deserializeTransaction.MarkFailure(webEx);
throw webEx;
}
catch (Exception ex)
{
deserializeTransaction.MarkFailure(ex);
throw;
}
finally
{
deserializeTransaction.End();
deserializationWatch.Stop();
context.Metrics.DeserializationTime = deserializationWatch.ElapsedMilliseconds;
}
}
if (!HandleServiceErrorManually)
{
CheckResponseFailure(response as IHasResponseStatus);
}
return(response);
}
protected internal WebException HandleWebException(ClientExecutionContext context, WebException webEx)
{
using (webEx.Response)
{
HttpWebResponse errorResponse = webEx.Response as HttpWebResponse;
if (errorResponse == null)
{
if (webEx is WebExceptionBase)
{
return(webEx);
}
return(ExceptionFactory.CreateWebException(webEx));
}
if (webEx.Status == WebExceptionStatus.ProtocolError)
{
string title = string.IsNullOrWhiteSpace(errorResponse.StatusDescription) ? webEx.Message : errorResponse.StatusDescription;
WebProtocolException serviceEx = null;
if (webEx is WebProtocolException)
{
serviceEx = (WebProtocolException)webEx;
}
else
{
serviceEx = (WebProtocolException)ExceptionFactory.CreateWebException(webEx, title);
}
try
{
using (Stream stream = errorResponse.GetResponseStream())
{
if (errorResponse.ContentType.MatchesContentType(context.ContentType))
{
var bytes = stream.ReadFully();
using (var memoryStream = new MemoryStream(bytes))
{
serviceEx.ResponseBody = bytes.FromUtf8Bytes();
serviceEx.ResponseObject = (GenericErrorResponseType)context.CallFormat.StreamDeserializer(typeof(GenericErrorResponseType), memoryStream);
}
}
else
{
serviceEx.ResponseBody = stream.ToUtf8String();
}
}
}
catch (Exception innerEx)
{
// Oh, well, we tried
return(new WebProtocolException(title, innerEx)
{
StatusCode = (int)errorResponse.StatusCode,
StatusDescription = errorResponse.StatusDescription,
ResponseBody = serviceEx.ResponseBody
});
}
//Escape deserialize exception handling and throw here
return(serviceEx);
}
return(webEx);
}
}
