//
// UrlSyndicationContent.cs
//
// Author:
//	Atsushi Enomoto  <atsushi@ximian.com>
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IO;
using System.Runtime.Serialization;
using System.Text;
using System.Xml;

namespace System.ServiceModel.Syndication
{
	public class UrlSyndicationContent : SyndicationContent
	{
		Uri url;
		string media_type;

		public UrlSyndicationContent (Uri url, string mediaType)
		{
			if (url == null)
				throw new ArgumentNullException ("url");
			this.url = url;
			this.media_type = mediaType;
		}

		protected UrlSyndicationContent (UrlSyndicationContent source)
		{
			if (source == null)
				throw new ArgumentNullException ("source");
			url = source.url;
			media_type = source.media_type;
		}

		public override SyndicationContent Clone ()
		{
			return new UrlSyndicationContent (this);
		}

		protected override void WriteContentsTo (XmlWriter writer)
		{
			if (writer == null)
				throw new ArgumentNullException ("writer");
			if (media_type != null)
				writer.WriteAttributeString ("type", media_type);
			writer.WriteAttributeString ("src", url.ToString ());
		}

		public Uri Url {
			get { return url; }
		}

		public override string Type {
			get { return media_type; }
		}
	}
}