internal static Exception TranslateFromHttpStatus(
HttpStatusCode statusCode,
string statusDescription,
StorageExtendedErrorInformation details,
Exception inner
)
{
switch (statusCode)
{
case HttpStatusCode.Forbidden:
return(new StorageClientException(
StorageErrorCode.AccessDenied,
statusDescription,
HttpStatusCode.Forbidden,
details,
inner
));
case HttpStatusCode.Gone:
case HttpStatusCode.NotFound:
return(new StorageClientException(
StorageErrorCode.ResourceNotFound,
statusDescription,
statusCode,
details,
inner
));
case HttpStatusCode.BadRequest:
return(new StorageClientException(
StorageErrorCode.BadRequest,
statusDescription,
statusCode,
details,
inner
));
case HttpStatusCode.PreconditionFailed:
case HttpStatusCode.NotModified:
return(new StorageClientException(
StorageErrorCode.BadRequest,
statusDescription,
statusCode,
details,
inner));
case HttpStatusCode.Conflict:
return(new StorageClientException(
StorageErrorCode.ResourceAlreadyExists,
statusDescription,
statusCode,
details,
inner
));
case HttpStatusCode.GatewayTimeout:
return(new StorageServerException(
StorageErrorCode.ServiceTimeout,
statusDescription,
statusCode,
details,
inner
));
case HttpStatusCode.RequestedRangeNotSatisfiable:
return(new StorageClientException(
StorageErrorCode.BadRequest,
statusDescription,
statusCode,
details,
inner
));
case HttpStatusCode.InternalServerError:
return(new StorageServerException(
StorageErrorCode.ServiceInternalError,
statusDescription,
statusCode,
details,
inner
));
case HttpStatusCode.BadGateway:
return(new StorageServerException(
StorageErrorCode.BadGateway,
statusDescription,
statusCode,
details,
inner
));
}
return(null);
}
private static Exception TranslateExtendedError(
StorageExtendedErrorInformation details,
HttpStatusCode statusCode,
string statusDescription,
Exception inner
)
{
StorageErrorCode errorCode = default(StorageErrorCode);
switch (details.ErrorCode)
{
case StorageErrorCodeStrings.UnsupportedHttpVerb:
case StorageErrorCodeStrings.MissingContentLengthHeader:
case StorageErrorCodeStrings.MissingRequiredHeader:
case StorageErrorCodeStrings.UnsupportedHeader:
case StorageErrorCodeStrings.InvalidHeaderValue:
case StorageErrorCodeStrings.MissingRequiredQueryParameter:
case StorageErrorCodeStrings.UnsupportedQueryParameter:
case StorageErrorCodeStrings.InvalidQueryParameterValue:
case StorageErrorCodeStrings.OutOfRangeQueryParameterValue:
case StorageErrorCodeStrings.InvalidUri:
case StorageErrorCodeStrings.InvalidHttpVerb:
case StorageErrorCodeStrings.EmptyMetadataKey:
case StorageErrorCodeStrings.RequestBodyTooLarge:
case StorageErrorCodeStrings.InvalidXmlDocument:
case StorageErrorCodeStrings.InvalidXmlNodeValue:
case StorageErrorCodeStrings.MissingRequiredXmlNode:
case StorageErrorCodeStrings.InvalidMd5:
case StorageErrorCodeStrings.OutOfRangeInput:
case StorageErrorCodeStrings.InvalidInput:
case StorageErrorCodeStrings.InvalidMetadata:
case StorageErrorCodeStrings.MetadataTooLarge:
case StorageErrorCodeStrings.InvalidRange:
errorCode = StorageErrorCode.BadRequest;
break;
case StorageErrorCodeStrings.AuthenticationFailed:
errorCode = StorageErrorCode.AuthenticationFailure;
break;
case StorageErrorCodeStrings.ResourceNotFound:
errorCode = StorageErrorCode.ResourceNotFound;
break;
case StorageErrorCodeStrings.ConditionNotMet:
errorCode = StorageErrorCode.ConditionFailed;
break;
case StorageErrorCodeStrings.ContainerAlreadyExists:
errorCode = StorageErrorCode.ContainerAlreadyExists;
break;
case StorageErrorCodeStrings.ContainerNotFound:
errorCode = StorageErrorCode.ContainerNotFound;
break;
case BlobErrorCodeStrings.BlobNotFound:
errorCode = StorageErrorCode.BlobNotFound;
break;
case BlobErrorCodeStrings.BlobAlreadyExists:
errorCode = StorageErrorCode.BlobAlreadyExists;
break;
}
if (errorCode != default(StorageErrorCode))
{
return(new StorageClientException(
errorCode,
statusDescription,
statusCode,
details,
inner
));
}
switch (details.ErrorCode)
{
case StorageErrorCodeStrings.InternalError:
case StorageErrorCodeStrings.ServerBusy:
errorCode = StorageErrorCode.ServiceInternalError;
break;
case StorageErrorCodeStrings.Md5Mismatch:
errorCode = StorageErrorCode.ServiceIntegrityCheckFailed;
break;
case StorageErrorCodeStrings.OperationTimedOut:
errorCode = StorageErrorCode.ServiceTimeout;
break;
}
if (errorCode != default(StorageErrorCode))
{
return(new StorageServerException(
errorCode,
statusDescription,
statusCode,
details,
inner
));
}
return(null);
}
internal static Exception TranslateWebException(Exception e)
{
WebException we = e as WebException;
if (null == we)
{
return(e);
}
// If the response is not null, let's first see what the status code is.
if (we.Response != null)
{
HttpWebResponse response = ((HttpWebResponse)we.Response);
StorageExtendedErrorInformation extendedError =
GetExtendedErrorDetailsFromResponse(
response.GetResponseStream(),
response.ContentLength
);
Exception translatedException = null;
if (extendedError != null)
{
translatedException = TranslateExtendedError(
extendedError,
response.StatusCode,
response.StatusDescription,
e);
if (translatedException != null)
{
return(translatedException);
}
}
translatedException = TranslateFromHttpStatus(
response.StatusCode,
response.StatusDescription,
extendedError,
we
);
if (translatedException != null)
{
return(translatedException);
}
}
switch (we.Status)
{
case WebExceptionStatus.RequestCanceled:
return(new StorageServerException(
StorageErrorCode.ServiceTimeout,
"The server request did not complete within the specified timeout",
HttpStatusCode.GatewayTimeout,
we));
case WebExceptionStatus.ConnectFailure:
return(we);
default:
return(new StorageServerException(
StorageErrorCode.ServiceInternalError,
"The server encountered an unknown failure: " + e.Message,
HttpStatusCode.InternalServerError,
we
));
}
}