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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using Microsoft.Extensions.DependencyInjection;
namespace Microsoft.AspNetCore.Mvc.ViewComponents;
/// <summary>
/// A <see cref="IViewComponentActivator"/> that retrieves view components as services from the request's
/// <see cref="IServiceProvider"/>.
/// </summary>
public class ServiceBasedViewComponentActivator : IViewComponentActivator
{
/// <inheritdoc />
public object Create(ViewComponentContext context)
{
ArgumentNullException.ThrowIfNull(context);
var viewComponentType = context.ViewComponentDescriptor.TypeInfo.AsType();
return context.ViewContext.HttpContext.RequestServices.GetRequiredService(viewComponentType);
}
/// <inheritdoc />
public virtual void Release(ViewComponentContext context, object viewComponent)
{
}
}
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