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//-----------------------------------------------------------------------
// <copyright file="MessageDescription.cs" company="Andrew Arnott">
// Copyright (c) Andrew Arnott. All rights reserved.
// </copyright>
//-----------------------------------------------------------------------
namespace DotNetOAuth.Messaging.Reflection {
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
internal class MessageDescription {
private Type messageType;
private Dictionary<string, MessagePart> mapping;
internal MessageDescription(Type messageType) {
if (messageType == null) {
throw new ArgumentNullException("messageType");
}
if (!typeof(IProtocolMessage).IsAssignableFrom(messageType)) {
throw new ArgumentOutOfRangeException(); // TODO: better message
}
this.messageType = messageType;
this.ReflectMessageType();
}
internal Type MessageType {
get { return this.messageType; }
}
internal IDictionary<string, MessagePart> Mapping {
get { return this.mapping; }
}
internal void ReflectMessageType() {
this.mapping = new Dictionary<string, MessagePart>();
Type currentType = this.messageType;
do {
foreach (MemberInfo member in currentType.GetMembers(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.DeclaredOnly)) {
if (member is PropertyInfo || member is FieldInfo) {
MessagePartAttribute partAttribute = member.GetCustomAttributes(typeof(MessagePartAttribute), true).OfType<MessagePartAttribute>().FirstOrDefault();
if (partAttribute != null) {
MessagePart part = new MessagePart(member, partAttribute);
this.mapping.Add(part.Name, part);
}
}
}
currentType = currentType.BaseType;
} while (currentType != null);
}
}
}
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