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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System;
using System.Diagnostics.CodeAnalysis;
namespace System.Net.Http.Headers
{
public sealed class MediaTypeWithQualityHeaderValue : MediaTypeHeaderValue, ICloneable
{
public double? Quality
{
get => HeaderUtilities.GetQuality((UnvalidatedObjectCollection<NameValueHeaderValue>)Parameters);
set => HeaderUtilities.SetQuality((UnvalidatedObjectCollection<NameValueHeaderValue>)Parameters, value);
}
internal MediaTypeWithQualityHeaderValue()
: base()
{
// Used by the parser to create a new instance of this type.
}
public MediaTypeWithQualityHeaderValue(string mediaType)
: base(mediaType)
{
}
public MediaTypeWithQualityHeaderValue(string mediaType, double quality)
: base(mediaType)
{
Quality = quality;
}
private MediaTypeWithQualityHeaderValue(MediaTypeWithQualityHeaderValue source)
: base(source)
{
// No additional members to initialize here. This constructor is used by Clone().
}
object ICloneable.Clone()
{
return new MediaTypeWithQualityHeaderValue(this);
}
public static new MediaTypeWithQualityHeaderValue Parse(string input)
{
int index = 0;
return (MediaTypeWithQualityHeaderValue)MediaTypeHeaderParser.SingleValueWithQualityParser.ParseValue(
input, null, ref index);
}
public static bool TryParse([NotNullWhen(true)] string? input, [NotNullWhen(true)] out MediaTypeWithQualityHeaderValue? parsedValue)
{
int index = 0;
parsedValue = null;
if (MediaTypeHeaderParser.SingleValueWithQualityParser.TryParseValue(input, null, ref index, out object? output))
{
parsedValue = (MediaTypeWithQualityHeaderValue)output!;
return true;
}
return false;
}
}
}
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