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//----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
namespace System.ServiceModel.Channels
{
using System;
using System.ServiceModel;
using System.IO;
using System.ServiceModel.Diagnostics;
using System.Xml;
/// <summary>
/// Base class for non-SOAP messages
/// </summary>
abstract class ContentOnlyMessage : Message
{
MessageHeaders headers;
MessageProperties properties;
protected ContentOnlyMessage()
{
this.headers = new MessageHeaders(MessageVersion.None);
}
public override MessageHeaders Headers
{
get
{
if (IsDisposed)
{
#pragma warning suppress 56503 // [....], required by base class contract
throw TraceUtility.ThrowHelperError(CreateMessageDisposedException(), this);
}
return this.headers;
}
}
public override MessageProperties Properties
{
get
{
if (IsDisposed)
{
#pragma warning suppress 56503 // [....], required by base class contract
throw TraceUtility.ThrowHelperError(CreateMessageDisposedException(), this);
}
if (this.properties == null)
{
this.properties = new MessageProperties();
}
return this.properties;
}
}
public override MessageVersion Version
{
get
{
return headers.MessageVersion;
}
}
protected override void OnBodyToString(XmlDictionaryWriter writer)
{
OnWriteBodyContents(writer);
}
}
class StringMessage : ContentOnlyMessage
{
string data;
public StringMessage(string data)
: base()
{
this.data = data;
}
public override bool IsEmpty
{
get
{
return String.IsNullOrEmpty(this.data);
}
}
protected override void OnWriteBodyContents(XmlDictionaryWriter writer)
{
if (data != null && data.Length > 0)
{
writer.WriteElementString("BODY", data);
}
}
}
class NullMessage : StringMessage
{
public NullMessage()
: base(string.Empty)
{
}
}
}
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