public static Task WriteMetadataAsync(Stream stream, IEdmModel model, HttpConfiguration config, string odataRouteName)
{
var request = new HttpRequestMessage(HttpMethod.Get, "/$metadata");
request.ODataProperties().Model = model;
request.ODataProperties().RouteName = odataRouteName;
request.SetConfiguration(config);
var payloadKinds = new List <ODataPayloadKind> {
ODataPayloadKind.MetadataDocument
};
var xmlMediaType = new MediaTypeHeaderValue("application/xml");
var formatter = new ODataMediaTypeFormatter(payloadKinds).GetPerRequestFormatterInstance(model.GetType(), request, xmlMediaType);
var content = new StringContent(String.Empty);
content.Headers.ContentType = xmlMediaType;
return(formatter.WriteToStreamAsync(model.GetType(), model, stream, content, null));
}
