From bdab0a1588fa4347d168c69f803a13cf607b4166 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Sat, 19 Nov 2016 11:51:49 -0500
Subject: move TypeMapper to portable project

---
 Emby.Server.Implementations/Data/TypeMapper.cs | 54 ++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 Emby.Server.Implementations/Data/TypeMapper.cs

(limited to 'Emby.Server.Implementations/Data')

diff --git a/Emby.Server.Implementations/Data/TypeMapper.cs b/Emby.Server.Implementations/Data/TypeMapper.cs
new file mode 100644
index 000000000..f4b37749e
--- /dev/null
+++ b/Emby.Server.Implementations/Data/TypeMapper.cs
@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Concurrent;
+using MediaBrowser.Model.Reflection;
+using System.Linq;
+
+namespace Emby.Server.Implementations.Data
+{
+    /// <summary>
+    /// Class TypeMapper
+    /// </summary>
+    public class TypeMapper
+    {
+        private readonly IAssemblyInfo _assemblyInfo;
+
+        /// <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>();
+
+        public TypeMapper(IAssemblyInfo assemblyInfo)
+        {
+            _assemblyInfo = assemblyInfo;
+        }
+
+        /// <summary>
+        /// Gets the type.
+        /// </summary>
+        /// <param name="typeName">Name of the type.</param>
+        /// <returns>Type.</returns>
+        /// <exception cref="System.ArgumentNullException"></exception>
+        public Type GetType(string typeName)
+        {
+            if (string.IsNullOrEmpty(typeName))
+            {
+                throw new ArgumentNullException("typeName");
+            }
+
+            return _typeMap.GetOrAdd(typeName, LookupType);
+        }
+
+        /// <summary>
+        /// Lookups the type.
+        /// </summary>
+        /// <param name="typeName">Name of the type.</param>
+        /// <returns>Type.</returns>
+        private Type LookupType(string typeName)
+        {
+            return _assemblyInfo
+                .GetCurrentAssemblies()
+                .Select(a => a.GetType(typeName))
+                .FirstOrDefault(t => t != null);
+        }
+    }
+}
-- 
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