//
// MediaTypeWithQualityHeaderValue.cs
//
// Authors:
//	Marek Safar  <marek.safar@gmail.com>
//
// Copyright (C) 2011 Xamarin Inc (http://www.xamarin.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.
//

namespace System.Net.Http.Headers
{
	public sealed class MediaTypeWithQualityHeaderValue : MediaTypeHeaderValue
	{
		public MediaTypeWithQualityHeaderValue (string mediaType)
			: base (mediaType)
		{
		}

		public MediaTypeWithQualityHeaderValue (string mediaType, double quality)
			: this (mediaType)
		{
			Quality = quality;
		}

		private MediaTypeWithQualityHeaderValue ()
		{
		}

		public double? Quality {
			get {
				return QualityValue.GetValue (parameters);
			}
			set {
				QualityValue.SetValue (ref parameters, value);
			}
		}

		public new static MediaTypeWithQualityHeaderValue Parse (string input)
		{
			MediaTypeWithQualityHeaderValue value;
			if (TryParse (input, out value))
				return value;

			throw new FormatException ();
		}

		public static bool TryParse (string input, out MediaTypeWithQualityHeaderValue parsedValue)
		{
			return TryParse (input, out parsedValue, () => new MediaTypeWithQualityHeaderValue ());
		}
	}
}