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//-----------------------------------------------------------------------
// <copyright file="AttributeValues.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenId.Extensions.AttributeExchange {
using System;
using System.Collections.Generic;
using System.Diagnostics;
using DotNetOpenAuth.Messaging;
using Validation;
/// <summary>
/// An individual attribute's value(s) as supplied by an OpenID Provider
/// in response to a prior request by an OpenID Relying Party as part of
/// a fetch request, or by a relying party as part of a store request.
/// </summary>
[Serializable]
[DebuggerDisplay("{TypeUri}")]
public class AttributeValues {
/// <summary>
/// Initializes a new instance of the <see cref="AttributeValues"/> class.
/// </summary>
/// <param name="typeUri">The TypeURI that uniquely identifies the attribute.</param>
/// <param name="values">The values for the attribute.</param>
public AttributeValues(string typeUri, params string[] values) {
Requires.NotNullOrEmpty(typeUri, "typeUri");
this.TypeUri = typeUri;
this.Values = (IList<string>)values ?? EmptyList<string>.Instance;
}
/// <summary>
/// Initializes a new instance of the <see cref="AttributeValues"/> class.
/// </summary>
/// <remarks>
/// This is internal because web sites should be using the
/// <see cref="AttributeRequest.Respond"/> method to instantiate.
/// </remarks>
internal AttributeValues() {
this.Values = new List<string>(1);
}
/// <summary>
/// Initializes a new instance of the <see cref="AttributeValues"/> class.
/// </summary>
/// <param name="typeUri">The TypeURI of the attribute whose values are being provided.</param>
internal AttributeValues(string typeUri) {
Requires.NotNullOrEmpty(typeUri, "typeUri");
this.TypeUri = typeUri;
this.Values = new List<string>(1);
}
/// <summary>
/// Gets the URI uniquely identifying the attribute whose value is being supplied.
/// </summary>
public string TypeUri { get; internal set; }
/// <summary>
/// Gets the values supplied by the Provider.
/// </summary>
public IList<string> Values { get; private set; }
/// <summary>
/// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"/> to compare with the current <see cref="T:System.Object"/>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false.
/// </returns>
/// <exception cref="T:System.NullReferenceException">
/// The <paramref name="obj"/> parameter is null.
/// </exception>
public override bool Equals(object obj) {
AttributeValues other = obj as AttributeValues;
if (other == null) {
return false;
}
if (this.TypeUri != other.TypeUri) {
return false;
}
if (!MessagingUtilities.AreEquivalent<string>(this.Values, other.Values)) {
return false;
}
return true;
}
/// <summary>
/// Serves as a hash function for a particular type.
/// </summary>
/// <returns>
/// A hash code for the current <see cref="T:System.Object"/>.
/// </returns>
public override int GetHashCode() {
int hashCode = 0;
unchecked {
if (this.TypeUri != null) {
hashCode += this.TypeUri.GetHashCode();
}
foreach (string value in this.Values) {
hashCode += value.GetHashCode();
}
}
return hashCode;
}
}
}
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