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//-----------------------------------------------------------------------
// <copyright file="Saml2AudienceRestriction.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace System.IdentityModel.Tokens
{
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
/// <summary>
/// Represents the AudienceRestriction element specified in [Saml2Core, 2.5.1.4].
/// </summary>
/// <remarks>
/// If the Audiences collection is empty, an InvalidOperationException will be
/// thrown during serialization.
/// </remarks>
public class Saml2AudienceRestriction
{
private Collection<Uri> audiences = new Collection<Uri>();
/// <summary>
/// Creates an instance of Saml2AudienceRestriction.
/// </summary>
public Saml2AudienceRestriction()
{
}
/// <summary>
/// Creates an instance of Saml2AudienceRestriction.
/// </summary>
/// <param name="audience">The audience element contained in this restriction.</param>
public Saml2AudienceRestriction(Uri audience)
: this(new Uri[] { audience })
{
}
/// <summary>
/// Creates an instance of Saml2AudienceRestriction.
/// </summary>
/// <param name="audiences">The collection of audience elements contained in this restriction.</param>
public Saml2AudienceRestriction(IEnumerable<Uri> audiences)
{
if (null == audiences)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("audiences");
}
foreach (Uri audience in audiences)
{
if (null == audience)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("audiences");
}
this.audiences.Add(audience);
}
}
/// <summary>
/// Gets the audiences for which the assertion is addressed.
/// </summary>
public Collection<Uri> Audiences
{
get { return this.audiences; }
}
}
}
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