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//------------------------------------------------------------
// 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);
}
}
}
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