Refactoring [WIP]

Wox.Core/Plugin/JsonRPCPluginLoader.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using System.Linq;
+using Wox.Plugin;
+
+namespace Wox.Core.Plugin
+{
+    internal class JsonRPCPluginLoader<T> : IPluginLoader where T : JsonRPCPlugin, new()
+    {
+        public virtual IEnumerable<PluginPair> LoadPlugin(List<PluginMetadata> pluginMetadatas)
+        {
+            T jsonRPCPlugin = new T();
+            List<PluginMetadata> jsonRPCPluginMetadatas = pluginMetadatas.Where(o => o.Language.ToUpper() == jsonRPCPlugin.SupportedLanguage.ToUpper()).ToList();
+
+            return jsonRPCPluginMetadatas.Select(metadata => new PluginPair()
+            {
+                Plugin = jsonRPCPlugin, 
+                Metadata = metadata
+            }).ToList();
+        }
+    }
+}