private static HttpActionBinding GetActionBinding(HttpActionDescriptor actionDescriptor)
{
HttpControllerDescriptor controllerDescriptor = actionDescriptor.ControllerDescriptor;
if (controllerDescriptor == null)
{
return(null);
}
ServicesContainer controllerServices = controllerDescriptor.Configuration.Services;
IActionValueBinder actionValueBinder = controllerServices.GetActionValueBinder();
HttpActionBinding actionBinding = actionValueBinder != null?actionValueBinder.GetBinding(actionDescriptor) : null;
return(actionBinding);
}
/// <summary>
/// Callback invoked to set per-controller overrides for this controllerDescriptor.
/// </summary>
/// <param name="controllerSettings">The controller settings to initialize.</param>
/// <param name="controllerDescriptor">The controller descriptor. Note that the <see
/// cref="T:System.Web.Http.Controllers.HttpControllerDescriptor" /> can be associated with the derived
/// controller type given that <see cref="T:System.Web.Http.Controllers.IControllerConfiguration" /> is
/// inherited.</param>
public void Initialize(HttpControllerSettings controllerSettings, HttpControllerDescriptor controllerDescriptor)
{
if (controllerSettings == null)
{
throw Error.ArgumentNull("controllerSettings");
}
if (controllerDescriptor == null)
{
throw Error.ArgumentNull("controllerDescriptor");
}
// If any OData formatters are registered globally, do nothing and use those instead
MediaTypeFormatterCollection controllerFormatters = controllerSettings.Formatters;
if (!controllerFormatters.Where(f => f != null && Decorator.GetInner(f) is ODataMediaTypeFormatter).Any())
{
// Remove Xml and Json formatters to avoid media type conflicts.
RemoveFormatters(controllerFormatters,
controllerFormatters.Where(f => f is XmlMediaTypeFormatter || f is JsonMediaTypeFormatter));
// Then add our formatters.
controllerFormatters.InsertRange(0, CreateODataFormatters());
}
ServicesContainer services = controllerSettings.Services;
Contract.Assert(services != null);
// Replace the action value binder with one that attaches the request to the formatter.
IActionValueBinder originalActionValueBinder = services.GetActionValueBinder();
IActionValueBinder actionValueBinder = new PerRequestActionValueBinder(originalActionValueBinder);
controllerSettings.Services.Replace(typeof(IActionValueBinder), actionValueBinder);
// Replace the content negotiator with one that uses the per-request formatters.
// This negotiator is required to allow CanReadType to have access to the model.
IContentNegotiator originalContentNegotiator = services.GetContentNegotiator();
IContentNegotiator contentNegotiator = new PerRequestContentNegotiator(originalContentNegotiator);
controllerSettings.Services.Replace(typeof(IContentNegotiator), contentNegotiator);
}