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ActionFilterAttribute.cs
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ActionFilterAttribute.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Threading.Tasks;
using Microsoft.Framework.Internal;
namespace Microsoft.AspNet.Mvc.Filters
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = true, Inherited = true)]
public abstract class ActionFilterAttribute :
Attribute, IActionFilter, IAsyncActionFilter, IResultFilter, IAsyncResultFilter, IOrderedFilter
{
public int Order { get; set; }
public virtual void OnActionExecuting([NotNull] ActionExecutingContext context)
{
}
public virtual void OnActionExecuted([NotNull] ActionExecutedContext context)
{
}
public virtual async Task OnActionExecutionAsync(
[NotNull] ActionExecutingContext context,
[NotNull] ActionExecutionDelegate next)
{
OnActionExecuting(context);
if (context.Result == null)
{
OnActionExecuted(await next());
}
}
public virtual void OnResultExecuting([NotNull] ResultExecutingContext context)
{
}
public virtual void OnResultExecuted([NotNull] ResultExecutedContext context)
{
}
public virtual async Task OnResultExecutionAsync(
[NotNull] ResultExecutingContext context,
[NotNull] ResultExecutionDelegate next)
{
OnResultExecuting(context);
if (!context.Cancel)
{
OnResultExecuted(await next());
}
}
}
}