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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Security
{
using System;
using System.IdentityModel.Protocols.WSTrust;
using System.ServiceModel.Channels;
using System.Xml;
using RSTR = System.IdentityModel.Protocols.WSTrust.RequestSecurityTokenResponse;
/// <summary>
/// Defines a Body Writer that writes out the RSTR to a outgoing message.
/// </summary>
public class WSTrustResponseBodyWriter : BodyWriter
{
WSTrustResponseSerializer _serializer;
RSTR _rstr;
WSTrustSerializationContext _context;
/// <summary>
/// Initializes an instance of <see cref="WSTrustResponseBodyWriter"/>
/// </summary>
/// <param name="requestSecurityTokenResponse">The Response object that can write the body contents.</param>
/// <param name="serializer">Serializer to use for serializing the RSTR.</param>
/// <param name="context">The <see cref="WSTrustSerializationContext"/> of this request.</param>
/// <exception cref="ArgumentNullException">serializer parameter is null.</exception>
public WSTrustResponseBodyWriter(RSTR requestSecurityTokenResponse, WSTrustResponseSerializer serializer, WSTrustSerializationContext context)
: base( true )
{
if ( serializer == null )
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "serializer" );
}
if ( requestSecurityTokenResponse == null )
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("requestSecurityTokenResponse");
}
if ( context == null )
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "context" );
}
_serializer = serializer;
_rstr = requestSecurityTokenResponse;
_context = context;
}
/// <summary>
/// Override of the base class method. Serializes the RSTR to the outgoing stream.
/// </summary>
/// <param name="writer">Writer to which the RSTR should be written.</param>
protected override void OnWriteBodyContents( XmlDictionaryWriter writer )
{
_serializer.WriteXml( _rstr, writer, _context );
}
}
}
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