aspnetcore/test/WebSites/ReflectedModelWebSite/Controllers/ReflectedParameterModelCont...

28 lines
976 B
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using Microsoft.AspNet.Mvc;
using Microsoft.AspNet.Mvc.ReflectedModelBuilder;
namespace ReflectedModelWebSite
{
// This controller uses an reflected model attribute to change a parameter to optional.
public class ReflectedParameterModelController : Controller
{
public string GetParameterIsOptional([Optional] int? id)
{
var actionDescriptor = (ReflectedActionDescriptor)ActionContext.ActionDescriptor;
return actionDescriptor.Parameters[0].IsOptional.ToString();
}
private class OptionalAttribute : Attribute, IReflectedParameterModelConvention
{
public void Apply(ReflectedParameterModel model)
{
model.IsOptional = true;
}
}
}
}