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//-----------------------------------------------------------------------
// <copyright file="SimpleXrdsProviderEndpoint.cs" company="Andrew Arnott">
//     Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------

namespace DotNetOpenAuth.OpenId.RelyingParty {
	using System;
	using System.Collections.ObjectModel;
	using DotNetOpenAuth.Messaging;
	using DotNetOpenAuth.OpenId.Messages;

	/// <summary>
	/// A very simple IXrdsProviderEndpoint implementation for verifying that all positive
	/// assertions (particularly unsolicited ones) are received from OP endpoints that
	/// are deemed permissible by the host RP.
	/// </summary>
	internal class SimpleXrdsProviderEndpoint : IProviderEndpoint {
		/// <summary>
		/// Initializes a new instance of the <see cref="SimpleXrdsProviderEndpoint"/> class.
		/// </summary>
		/// <param name="positiveAssertion">The positive assertion.</param>
		internal SimpleXrdsProviderEndpoint(PositiveAssertionResponse positiveAssertion) {
			this.Uri = positiveAssertion.ProviderEndpoint;
			this.Version = positiveAssertion.Version;
		}

		#region IProviderEndpoint Members

		/// <summary>
		/// Gets the detected version of OpenID implemented by the Provider.
		/// </summary>
		public Version Version { get; private set; }

		/// <summary>
		/// Gets the URL that the OpenID Provider receives authentication requests at.
		/// </summary>
		public Uri Uri { get; private set; }

		/// <summary>
		/// Checks whether the OpenId Identifier claims support for a given extension.
		/// </summary>
		/// <typeparam name="T">The extension whose support is being queried.</typeparam>
		/// <returns>
		/// True if support for the extension is advertised.  False otherwise.
		/// </returns>
		/// <remarks>
		/// Note that a true or false return value is no guarantee of a Provider's
		/// support for or lack of support for an extension.  The return value is
		/// determined by how the authenticating user filled out his/her XRDS document only.
		/// The only way to be sure of support for a given extension is to include
		/// the extension in the request and see if a response comes back for that extension.
		/// </remarks>
		bool IProviderEndpoint.IsExtensionSupported<T>() {
			throw new NotImplementedException();
		}

		/// <summary>
		/// Checks whether the OpenId Identifier claims support for a given extension.
		/// </summary>
		/// <param name="extensionType">The extension whose support is being queried.</param>
		/// <returns>
		/// True if support for the extension is advertised.  False otherwise.
		/// </returns>
		/// <remarks>
		/// Note that a true or false return value is no guarantee of a Provider's
		/// support for or lack of support for an extension.  The return value is
		/// determined by how the authenticating user filled out his/her XRDS document only.
		/// The only way to be sure of support for a given extension is to include
		/// the extension in the request and see if a response comes back for that extension.
		/// </remarks>
		bool IProviderEndpoint.IsExtensionSupported(Type extensionType) {
			throw new NotImplementedException();
		}

		#endregion
	}
}