aspnetcore/src/Microsoft.AspNet.Mvc.Core/ActionDescriptorExtensions.cs

43 lines
1.8 KiB
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.
namespace Microsoft.AspNet.Mvc
{
/// <summary>
/// Extension methods for <see cref="ActionDescriptor"/>.
/// </summary>
public static class ActionDescriptorExtensions
{
/// <summary>
/// Gets the value of a property from the <see cref="ActionDescriptor.Properties"/> collection
/// using the provided value of <typeparamref name="T"/> as the key.
/// </summary>
/// <typeparam name="T">The type of the property.</typeparam>
/// <param name="actionDescriptor">The action descriptor.</param>
/// <returns>The property or the default value of <typeparamref name="T"/>.</returns>
public static T GetProperty<T>([NotNull] this ActionDescriptor actionDescriptor)
{
object value;
if (actionDescriptor.Properties.TryGetValue(typeof(T), out value))
{
return (T)value;
}
else
{
return default(T);
}
}
/// <summary>
/// Sets the value of an property in the <see cref="ActionDescriptor.Properties"/> collection using
/// the provided value of <typeparamref name="T"/> as the key.
/// </summary>
/// <typeparam name="T">The type of the property.</typeparam>
/// <param name="actionDescriptor">The action descriptor.</param>
/// <param name="value">The value of the property.</param>
public static void SetProperty<T>([NotNull] this ActionDescriptor actionDescriptor, [NotNull] T value)
{
actionDescriptor.Properties[typeof(T)] = value;
}
}
}