public EndpointDescriptor(
ActionDescriptor actionDescriptor,
object[] arguments,
string host,
string protocol)
{
this.Policies = ComputePolicies(actionDescriptor);
var parameters = actionDescriptor
.Parameters
.OfType <ControllerParameterDescriptor>()
.ToArray();
this.Host = host;
this.Protocol = protocol;
this.Body = actionDescriptor.PickBodyArgument(arguments);
this.Template = actionDescriptor.AttributeRouteInfo.Template.ToLower();
this.Method = actionDescriptor.GetHttpMethod().ToUpper();
this.ArgumentsCollection = new ArgumentCollection(parameters, arguments);
this.BodyArgument = this.ArgumentsCollection.SingleOrDefault(argument => argument.Descriptor.BindingInfo.BindingSource.Id == "Body");
}