public static string GetFormat(FormatCollection formatCollection, string[] acceptTypes)
{
foreach (var mimeType in MimeTypes.Parse(acceptTypes))
{
foreach (var key in formatCollection.Keys)
{
if (mimeType.Format == key)
{
return(key);
}
}
}
return(null);
}
public static ActionResult GetResult(FormatCollection formatCollection, RouteValueDictionary routeValues, string[] acceptTypes)
{
var format = "html"; // default to html if no format extension is specified
if (routeValues["format"] == null)
{
if (acceptTypes.Any())
{
format = GetFormat(formatCollection, acceptTypes);
if (string.IsNullOrEmpty(format))
{
if (formatCollection.Default != null)
{
return(formatCollection.Default);
}
if (formatCollection["html"] != null && acceptTypes.Length == 1 && acceptTypes.First() == "*/*")
{
return(formatCollection["html"].Invoke());
}
return(new HttpStatusCodeResult(406));
}
}
else if (!formatCollection.Any())
{
return(new HttpStatusCodeResult(406));
}
}
else
{
format = routeValues["format"].ToString();
}
if (!formatCollection.ContainsKey(format))
{
if (formatCollection.Default != null)
{
return(formatCollection.Default);
}
return(new HttpNotFoundResult());
}
return(formatCollection[format].Invoke());
}