Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/Channels/ContextMessageProperty.cs

@@ -0,0 +1,126 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace System.ServiceModel.Channels
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Runtime.CompilerServices;
+
+    [TypeForwardedFrom("System.WorkflowServices, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35")]
+    [Serializable]
+    public class ContextMessageProperty : IMessageProperty
+    {
+        internal const string InstanceIdKey = "instanceId";
+        const string PropertyName = "ContextMessageProperty";
+        static ContextMessageProperty empty;
+        IDictionary<string, string> contextStore;
+
+        public ContextMessageProperty()
+        {
+            this.contextStore = new ContextDictionary();
+        }
+
+        public ContextMessageProperty(IDictionary<string, string> context)
+        {
+            if (context == null)
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("context");
+            }
+
+            this.contextStore = new ContextDictionary(context);
+        }
+
+        public static string Name
+        {
+            get
+            {
+                return PropertyName;
+            }
+        }
+
+        public IDictionary<string, string> Context
+        {
+            get
+            {
+                return this.contextStore;
+            }
+        }
+
+        internal static ContextMessageProperty Empty
+        {
+            get
+            {
+                if (empty == null)
+                {
+                    ContextMessageProperty context = new ContextMessageProperty();
+                    context.contextStore = ContextDictionary.Empty;
+                    empty = context;
+                }
+                return empty;
+            }
+        }
+
+        public static bool TryCreateFromHttpCookieHeader(string httpCookieHeader, out ContextMessageProperty context)
+        {
+            return ContextProtocol.HttpCookieToolbox.TryCreateFromHttpCookieHeader(httpCookieHeader, out context);
+        }
+
+        public static bool TryGet(Message message, out ContextMessageProperty contextMessageProperty)
+        {
+            if (message == null)
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
+            }
+
+            return TryGet(message.Properties, out contextMessageProperty);
+        }
+
+        public static bool TryGet(MessageProperties properties, out ContextMessageProperty contextMessageProperty)
+        {
+            if (properties == null)
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("properties");
+            }
+
+            object value = null;
+            if (properties.TryGetValue(PropertyName, out value))
+            {
+                contextMessageProperty = value as ContextMessageProperty;
+            }
+            else
+            {
+                contextMessageProperty = null;
+            }
+
+            return contextMessageProperty != null;
+        }
+
+        public void AddOrReplaceInMessage(Message message)
+        {
+            if (message == null)
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
+            }
+
+            this.AddOrReplaceInMessageProperties(message.Properties);
+        }
+
+        public void AddOrReplaceInMessageProperties(MessageProperties properties)
+        {
+            if (properties == null)
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("properties");
+            }
+
+            properties[PropertyName] = this;
+        }
+
+
+        public IMessageProperty CreateCopy()
+        {
+            return new ContextMessageProperty(this.Context);
+        }
+    }
+}