| public static ActualMediaTypeFormatter ( System.Net.Http.Formatting.MediaTypeFormatter formatter ) : System.Net.Http.Formatting.MediaTypeFormatter | ||
| formatter | System.Net.Http.Formatting.MediaTypeFormatter | |
| return | System.Net.Http.Formatting.MediaTypeFormatter | |
public override MediaTypeFormatter GetPerRequestFormatterInstance(
Type type,
HttpRequestMessage request,
MediaTypeHeaderValue mediaType
)
{
MediaTypeFormatter formatter = null;
TraceWriter.TraceBeginEnd(
request,
TraceCategories.FormattingCategory,
TraceLevel.Info,
InnerFormatter.GetType().Name,
GetPerRequestFormatterInstanceMethodName,
beginTrace: (tr) =>
{
tr.Message = Error.Format(
SRResources.TraceGetPerRequestFormatterMessage,
InnerFormatter.GetType().Name,
type.Name,
mediaType
);
},
execute: () =>
{
formatter = InnerFormatter.GetPerRequestFormatterInstance(
type,
request,
mediaType
);
},
endTrace: (tr) =>
{
if (formatter == null)
{
tr.Message = SRResources.TraceGetPerRequestNullFormatterEndMessage;
}
else
{
string formatMessage = Object.ReferenceEquals(
MediaTypeFormatterTracer.ActualMediaTypeFormatter(formatter),
InnerFormatter
)
? SRResources.TraceGetPerRequestFormatterEndMessage
: SRResources.TraceGetPerRequestFormatterEndMessageNew;
tr.Message = Error.Format(formatMessage, formatter.GetType().Name);
}
},
errorTrace: null
);
if (formatter != null && !(formatter is IFormatterTracer))
{
formatter = MediaTypeFormatterTracer.CreateTracer(formatter, TraceWriter, request);
}
return(formatter);
}
public ContentNegotiationResult Negotiate(
Type type,
HttpRequestMessage request,
IEnumerable <MediaTypeFormatter> formatters
)
{
ContentNegotiationResult result = null;
_traceWriter.TraceBeginEnd(
request,
TraceCategories.FormattingCategory,
TraceLevel.Info,
_innerNegotiator.GetType().Name,
NegotiateMethodName,
beginTrace: (tr) =>
{
tr.Message = Error.Format(
SRResources.TraceNegotiateFormatter,
type.Name,
FormattingUtilities.FormattersToString(formatters)
);
},
execute: () =>
{
result = _innerNegotiator.Negotiate(type, request, formatters);
},
endTrace: (tr) =>
{
tr.Message = Error.Format(
SRResources.TraceSelectedFormatter,
result == null
? SRResources.TraceNoneObjectMessage
: MediaTypeFormatterTracer
.ActualMediaTypeFormatter(result.Formatter)
.GetType().Name,
result == null || result.MediaType == null
? SRResources.TraceNoneObjectMessage
: result.MediaType.ToString()
);
},
errorTrace: null
);
if (result != null)
{
result.Formatter = MediaTypeFormatterTracer.CreateTracer(
result.Formatter,
_traceWriter,
request
);
}
return(result);
}
