public bool AssessCachedAcceptHeader(ContentTypeEnum assessedContentType)
{
ContentTypeEnum actualContentType = ContentTypeEnum.NotResolved;
string key = GetCachingKey();
object acceptHeaderObj = cache[key];
string acceptHeader = string.Empty;
if (acceptHeaderObj != null)
{
acceptHeader = acceptHeaderObj.ToString();
}
if (!string.IsNullOrEmpty(acceptHeader))
{
ChooseContentType(ref actualContentType, acceptHeader);
TraceManager.PipelineComponent.TraceInfo("{0} - Used cached Accept header to determine that the response content type is {1}", CallToken, actualContentType.ToString());
}
return(assessedContentType == actualContentType);
}
public bool AssessContentType(ContentTypeEnum assessedContentType)
{
bool contentTypeSet = false;
ContentTypeEnum actualContentType = ContentTypeEnum.NotResolved;
string contentType = ExtractInboundHttpHeader("Content-Type");
if (!string.IsNullOrEmpty(contentType))
{
ChooseContentType(ref actualContentType, contentType);
contentTypeSet = true;
TraceManager.PipelineComponent.TraceInfo("{0} - Used Content-Type HTTP header to determine that the request content type is {1}", CallToken, actualContentType.ToString());
}
if (!contentTypeSet)
{
ReflectContentTypeBasedOnMessageContent(ref contentTypeSet, ref actualContentType);
}
if (!contentTypeSet)
{
TraceManager.PipelineComponent.TraceWarning("{0} - Could not determine the request content type, as Content-Type header was either blank or not provided, and request body appeared to be neither XML nor JSON", CallToken);
}
return(assessedContentType == actualContentType);
}
private void ReflectContentTypeBasedOnMessageContent(ref bool contentTypeSet, ref ContentTypeEnum actualContentType)
{
TraceManager.PipelineComponent.TraceWarning("{0} - No Content-Type HTTP header was found so will have to resort to reading a portion of the stream to determine the request content type", CallToken);
string firstChar = string.Empty;
StreamReader reader = new StreamReader(InMsg.BodyPart.GetOriginalDataStream());
Pc.ResourceTracker.AddResource(reader);
string firstLine = string.Empty;
while (!reader.EndOfStream && (firstLine == string.Empty))
{
firstLine = reader.ReadLine().Trim();
TraceManager.PipelineComponent.TraceInfo("{0} - Reading line from stream to try to determine the request content type", CallToken, firstChar, actualContentType.ToString());
}
InMsg.BodyPart.Data.Position = 0;
if (firstLine.Length > 0)
{
firstChar = firstLine.Substring(0, 1);
switch (firstChar)
{
case "<":
actualContentType = ContentTypeEnum.Xml;
contentTypeSet = true;
break;
case "{":
actualContentType = ContentTypeEnum.Json;
contentTypeSet = true;
break;
case "[":
actualContentType = ContentTypeEnum.Json;
contentTypeSet = true;
break;
default:
actualContentType = ContentTypeEnum.NotResolved;
break;
}
}
if (contentTypeSet)
{
TraceManager.PipelineComponent.TraceInfo("{0} - Used first character in request body {1} to determine that the request content type is {2}", CallToken, firstChar, actualContentType.ToString());
}
}
