Src/Newtonsoft.Json/Serialization/CachedAttributeGetter.cs

微信扫码关注公众号，代码整理好后第一时间通知你。

#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using Newtonsoft.Json.Utilities;

namespace Newtonsoft.Json.Serialization
{
  internal static class CachedAttributeGetter<T> where T : Attribute
  {
    private static readonly ThreadSafeStore<ICustomAttributeProvider, T> TypeAttributeCache = new ThreadSafeStore<ICustomAttributeProvider, T>(JsonTypeReflector.GetAttribute<T>);

    public static T GetAttribute(ICustomAttributeProvider type)
    {
      return TypeAttributeCache.Get(type);
    }
  }
}