added some file types

source/Cosmos.Kernel.FileSystems/Cosmos.Kernel.FileSystems.csproj

@@ -40,8 +40,10 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
-    <Compile Include="Class1.cs" />
+    <Compile Include="File.cs" />
+    <Compile Include="IFile.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Windows\File.cs" />
   </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 

source/Cosmos.Kernel.FileSystems/File.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Cosmos.Kernel.FileSystems
+{
+    /// <summary>
+    /// Static utility class that wraps the underlaying filesystem.
+    /// </summary>
+    public static class File
+    {
+        private static IFile _file;
+
+        public static void SetFileSystem(IFile fileSystem)
+        {
+            _file = fileSystem;   
+        }
+
+        public static bool Exists(string path)
+        {
+            return _file.Exists(path);
+        }
+    }
+}

source/Cosmos.Kernel.FileSystems/IFile.cs

@@ -4,7 +4,8 @@ using System.Text;
 
 namespace Cosmos.Kernel.FileSystems
 {
-    public class Class1
+    public interface IFile
     {
+        bool Exists(string path);
     }
 }

source/Cosmos.Kernel.FileSystems/Windows/File.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Cosmos.Kernel.FileSystems.Windows
+{
+    /// <summary>
+    /// Implementation of operations on the Windows file system.
+    /// </summary>
+    public class File : IFile
+    {
+        public bool Exists(string path)
+        {
+            return true;
+        }
+
+    }
+}