public virtual Type ResolveType(ApiDescription api, string controllerName, string actionName, IEnumerable<string> parameterNames, SampleDirection sampleDirection, out Collection<MediaTypeFormatter> formatters)
{
if (!Enum.IsDefined(typeof(SampleDirection), sampleDirection))
{
throw new InvalidEnumArgumentException("sampleDirection", (int)sampleDirection, typeof(SampleDirection));
}
if (api == null)
{
throw new ArgumentNullException("api");
}
Type type;
if (ActualHttpMessageTypes.TryGetValue(new HelpPageSampleKey(sampleDirection, controllerName, actionName, parameterNames), out type) ||
ActualHttpMessageTypes.TryGetValue(new HelpPageSampleKey(sampleDirection, controllerName, actionName, new[] { "*" }), out type))
{
// Re-compute the supported formatters based on type
Collection<MediaTypeFormatter> newFormatters = new Collection<MediaTypeFormatter>();
foreach (var formatter in api.ActionDescriptor.Configuration.Formatters)
{
if (IsFormatSupported(sampleDirection, formatter, type))
{
newFormatters.Add(formatter);
}
}
formatters = newFormatters;
}
else
{
switch (sampleDirection)
{
case SampleDirection.Request:
ApiParameterDescription requestBodyParameter = api.ParameterDescriptions.FirstOrDefault(p => p.Source == ApiParameterSource.FromBody);
type = requestBodyParameter == null ? null : requestBodyParameter.ParameterDescriptor.ParameterType;
formatters = api.SupportedRequestBodyFormatters;
break;
case SampleDirection.Response:
default:
type = api.ResponseDescription.ResponseType ?? api.ResponseDescription.DeclaredType;
formatters = api.SupportedResponseFormatters;
break;
}
}
return type;
}