/// <summary>
/// Create an HttpResponseMessage given an RFC7807ProblemDetail instance
/// </summary>
public static HttpResponseMessage CreateRFC7807ProblemResponse(this HttpRequestMessage request,
RFC7807ProblemDetail detail)
{
var media = RFC7807Media.GetRFC7807ContentTypeForRequest(request);
var formatter = RFC7807Media.GetMediaTypeFormatterForResponseType(
request.GetConfiguration(), media);
var exception = new RFC7807Exception(detail);
return(request.CreateResponse((HttpStatusCode)exception.ProblemDetail.Status, detail, formatter, media));
}
/// <summary>
/// Create an IHttpActionResult given an RFC7807ProblemDetail instance
/// </summary>
public static IHttpActionResult CreateRFC7807ProblemActionResult(this HttpRequestMessage request,
RFC7807ProblemDetail detail)
{
var media = RFC7807Media.GetRFC7807ContentTypeForRequest(request);
var formatter = RFC7807Media.GetMediaTypeFormatterForResponseType(
request.GetConfiguration(), media);
var exception = new RFC7807Exception(detail);
return(new FormattedContentResult <RFC7807ProblemDetail>(
(HttpStatusCode)exception.ProblemDetail.Status,
detail, formatter, new MediaTypeHeaderValue(media), request));
}
/// <summary>
/// Constructor taking any Exception instance (including derived subclasses),
/// and optionally an instance URI (perhaps the request URI) that will be
/// stored to the Instance field, and retrieves
/// RFC7807 problem detail from the exception data.
/// </summary>
/// <remarks>
/// The resulting instance will have an http status code of either 500,
/// or 501 for a NotImplementedException.
/// </remarks>
public RFC7807Exception(Exception ex, Uri instanceUri = null)
{
ProblemDetail = new RFC7807ProblemDetail
{
Status = (int)HttpStatusCode.InternalServerError,
Type = new Uri(TypeUriAuthority + ex.GetType().FullName),
Detail = ex.Message,
Instance = instanceUri
};
// 501 errors can be determined directly from the exception type
if (ex is NotImplementedException)
{
ProblemDetail.Status = (int)HttpStatusCode.NotImplemented;
}
}
/// <summary>
/// Constructor needing only an HttpStatusCode.
/// </summary>
/// <remarks>
/// The instance returned meets the requirements but not necessarily the intent
/// of RFC7807 so you should really only use this version when you plan to flesh
/// out the <see cref="ProblemDetail"/> in subsequent code, unless the
/// http status code alone really is completely sufficient to describe the problem.
/// </remarks>
public RFC7807Exception(HttpStatusCode statusCode)
{
ProblemDetail = new RFC7807ProblemDetail(statusCode);
}
