Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/BasicHttpSecurityMode.cs

@@ -0,0 +1,47 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System.ServiceModel.Channels;
+
+    public enum BasicHttpSecurityMode
+    {
+        None,
+        Transport,
+        Message,
+        TransportWithMessageCredential,
+        TransportCredentialOnly
+    }
+
+    static class BasicHttpSecurityModeHelper
+    {
+        internal static bool IsDefined(BasicHttpSecurityMode value)
+        {
+            return (value == BasicHttpSecurityMode.None ||
+                value == BasicHttpSecurityMode.Transport ||
+                value == BasicHttpSecurityMode.Message ||
+                value == BasicHttpSecurityMode.TransportWithMessageCredential ||
+                value == BasicHttpSecurityMode.TransportCredentialOnly);
+        }
+
+        internal static BasicHttpSecurityMode ToSecurityMode(UnifiedSecurityMode value)
+        {
+            switch (value)
+            {
+                case UnifiedSecurityMode.None:
+                    return BasicHttpSecurityMode.None;
+                case UnifiedSecurityMode.Transport:
+                    return BasicHttpSecurityMode.Transport;
+                case UnifiedSecurityMode.Message:
+                    return BasicHttpSecurityMode.Message;
+                case UnifiedSecurityMode.TransportWithMessageCredential:
+                    return BasicHttpSecurityMode.TransportWithMessageCredential;
+                case UnifiedSecurityMode.TransportCredentialOnly:
+                    return BasicHttpSecurityMode.TransportCredentialOnly;
+                default:
+                    return (BasicHttpSecurityMode)value;
+            }
+        }
+    }
+}