File: Formatters\MediaTypeCollection.cs
Web Access
Project: src\src\Mvc\Mvc.Core\src\Microsoft.AspNetCore.Mvc.Core.csproj (Microsoft.AspNetCore.Mvc.Core)
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Collections.ObjectModel;
using Microsoft.Net.Http.Headers;
 
namespace Microsoft.AspNetCore.Mvc.Formatters;
 
/// <summary>
/// A collection of media types.
/// </summary>
public class MediaTypeCollection : Collection<string>
{
    /// <summary>
    /// Adds an object to the end of the <see cref="MediaTypeCollection"/>.
    /// </summary>
    /// <param name="item">The media type to be added to the end of the <see cref="MediaTypeCollection"/>.</param>
    public void Add(MediaTypeHeaderValue item)
    {
        ArgumentNullException.ThrowIfNull(item);
 
        Add(item.ToString());
    }
 
    /// <summary>
    /// Inserts an element into the <see cref="MediaTypeCollection"/> at the specified index.
    /// </summary>
    /// <param name="index">The zero-based index at which <paramref name="item"/> should be inserted.</param>
    /// <param name="item">The media type to insert.</param>
    public void Insert(int index, MediaTypeHeaderValue item)
    {
        if (index < 0 || index > Count)
        {
            throw new ArgumentOutOfRangeException(nameof(index));
        }
 
        ArgumentNullException.ThrowIfNull(item);
 
        Insert(index, item.ToString());
    }
 
    /// <summary>
    /// Removes the first occurrence of a specific media type from the <see cref="MediaTypeCollection"/>.
    /// </summary>
    /// <param name="item"></param>
    /// <returns><see langword="true" /> if <paramref name="item"/> is successfully removed; otherwise, <see langword="false" />.
    /// This method also returns <see langword="false" /> if <paramref name="item"/> was not found in the original
    /// <see cref="MediaTypeCollection"/>.</returns>
    public bool Remove(MediaTypeHeaderValue item)
    {
        ArgumentNullException.ThrowIfNull(item);
 
        return Remove(item.ToString());
    }
}