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using System;
using System.Collections.Concurrent;
using System.Linq;
namespace Emby.Server.Implementations.Data
{
/// <summary>
/// Class TypeMapper.
/// </summary>
public class TypeMapper
{
/// <summary>
/// This holds all the types in the running assemblies
/// so that we can de-serialize properly when we don't have strong types.
/// </summary>
private readonly ConcurrentDictionary<string, Type?> _typeMap = new ConcurrentDictionary<string, Type?>();
/// <summary>
/// Gets the type.
/// </summary>
/// <param name="typeName">Name of the type.</param>
/// <returns>Type.</returns>
/// <exception cref="ArgumentNullException"><c>typeName</c> is null.</exception>
public Type? GetType(string typeName)
{
ArgumentException.ThrowIfNullOrEmpty(typeName);
return _typeMap.GetOrAdd(typeName, k => AppDomain.CurrentDomain.GetAssemblies()
.Select(a => a.GetType(k))
.FirstOrDefault(t => t is not null));
}
}
}
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