1 files changed, 31 insertions, 0 deletions
diff --git a/src/csharp/GrpcCore/IMarshaller.cs b/src/csharp/GrpcCore/IMarshaller.cs
new file mode 100644
index 0000000000..eb08d8d386
--- /dev/null
+++ b/src/csharp/GrpcCore/IMarshaller.cs
@@ -0,0 +1,31 @@
+using System;
+
+namespace Google.GRPC.Core
+{
+    /// <summary>
+    /// For serializing and deserializing messages.
+    /// </summary>
+    public interface IMarshaller<T>
+    {
+        byte[] Serialize(T value);
+
+        T Deserialize(byte[] payload);
+    }
+
+    /// <summary>
+    /// UTF-8 Marshalling for string. Useful for testing.
+    /// </summary>
+    internal class StringMarshaller : IMarshaller<string> {
+
+        public byte[] Serialize(string value)
+        {
+            return System.Text.Encoding.UTF8.GetBytes(value);
+        }
+
+        public string Deserialize(byte[] payload)
+        {
+            return System.Text.Encoding.UTF8.GetString(payload);
+        }
+    }
+}
+