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//-----------------------------------------------------------------------
// <copyright file="StoreRequest.cs" company="Outercurve Foundation">
// Copyright (c) Outercurve Foundation. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOpenAuth.OpenId.Extensions.AttributeExchange {
using System;
using System.Collections.ObjectModel;
using System.Linq;
using DotNetOpenAuth.Messaging;
using DotNetOpenAuth.OpenId.Messages;
/// <summary>
/// The Attribute Exchange Store message, request leg.
/// </summary>
[Serializable]
public sealed class StoreRequest : ExtensionBase, IMessageWithEvents {
/// <summary>
/// The factory method that may be used in deserialization of this message.
/// </summary>
internal static readonly StandardOpenIdExtensionFactory.CreateDelegate Factory = (typeUri, data, baseMessage, isProviderRole) => {
if (typeUri == Constants.TypeUri && isProviderRole) {
string mode;
if (data.TryGetValue("mode", out mode) && mode == Mode) {
return new StoreRequest();
}
}
return null;
};
/// <summary>
/// The value of the 'mode' parameter.
/// </summary>
[MessagePart("mode", IsRequired = true)]
private const string Mode = "store_request";
/// <summary>
/// The collection of provided attribute values. This field will never be null.
/// </summary>
private readonly KeyedCollection<string, AttributeValues> attributesProvided = new KeyedCollectionDelegate<string, AttributeValues>(av => av.TypeUri);
/// <summary>
/// Initializes a new instance of the <see cref="StoreRequest"/> class.
/// </summary>
public StoreRequest()
: base(new Version(1, 0), Constants.TypeUri, null) {
}
/// <summary>
/// Gets the collection of all the attributes that are included in the store request.
/// </summary>
public KeyedCollection<string, AttributeValues> Attributes {
get { return this.attributesProvided; }
}
#region IMessageWithEvents Members
/// <summary>
/// Called when the message is about to be transmitted,
/// before it passes through the channel binding elements.
/// </summary>
void IMessageWithEvents.OnSending() {
var fields = ((IMessage)this).ExtraData;
fields.Clear();
AXUtilities.SerializeAttributes(fields, this.attributesProvided);
}
/// <summary>
/// Called when the message has been received,
/// after it passes through the channel binding elements.
/// </summary>
void IMessageWithEvents.OnReceiving() {
var fields = ((IMessage)this).ExtraData;
foreach (var att in AXUtilities.DeserializeAttributes(fields)) {
this.Attributes.Add(att);
}
}
#endregion
/// <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) {
var other = obj as StoreRequest;
if (other == null) {
return false;
}
if (this.Version != other.Version) {
return false;
}
if (!MessagingUtilities.AreEquivalentUnordered(this.Attributes.ToList(), other.Attributes.ToList())) {
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() {
unchecked {
int hashCode = this.Version.GetHashCode();
foreach (AttributeValues att in this.Attributes) {
hashCode += att.GetHashCode();
}
return hashCode;
}
}
}
}
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