Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

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

@@ -0,0 +1,57 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System.Globalization;
+    using System.Runtime;
+    using System.ServiceModel.Channels;
+
+    public enum BasicHttpsSecurityMode
+    {
+        Transport,
+        TransportWithMessageCredential
+    }
+
+    static class BasicHttpsSecurityModeHelper
+    {
+        internal static bool IsDefined(BasicHttpsSecurityMode value)
+        {
+            return value == BasicHttpsSecurityMode.Transport ||
+                value == BasicHttpsSecurityMode.TransportWithMessageCredential;
+        }
+
+        internal static BasicHttpsSecurityMode ToSecurityMode(UnifiedSecurityMode value)
+        {
+            switch (value)
+            {
+                case UnifiedSecurityMode.Transport:
+                    return BasicHttpsSecurityMode.Transport;
+                case UnifiedSecurityMode.TransportWithMessageCredential:
+                    return BasicHttpsSecurityMode.TransportWithMessageCredential;
+                default:
+                    return (BasicHttpsSecurityMode)value;
+            }
+        }
+
+        internal static BasicHttpsSecurityMode ToBasicHttpsSecurityMode(BasicHttpSecurityMode mode)
+        {
+            Fx.Assert(mode == BasicHttpSecurityMode.Transport || mode == BasicHttpSecurityMode.TransportWithMessageCredential, string.Format(CultureInfo.InvariantCulture, "Invalid BasicHttpSecurityMode value: {0}.", mode.ToString()));
+            BasicHttpsSecurityMode basicHttpsSecurityMode = (mode == BasicHttpSecurityMode.Transport) ? BasicHttpsSecurityMode.Transport : BasicHttpsSecurityMode.TransportWithMessageCredential;
+
+            return basicHttpsSecurityMode;
+        }
+
+        internal static BasicHttpSecurityMode ToBasicHttpSecurityMode(BasicHttpsSecurityMode mode)
+        {
+            if (!BasicHttpsSecurityModeHelper.IsDefined(mode))
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("mode"));
+            }
+
+            BasicHttpSecurityMode basicHttpSecurityMode = (mode == BasicHttpsSecurityMode.Transport) ? BasicHttpSecurityMode.Transport : BasicHttpSecurityMode.TransportWithMessageCredential;
+
+            return basicHttpSecurityMode;
+        }
+    }
+}