DummyServiceProvider.cs

using System;
using System.ComponentModel;

namespace Ultz.Extensions.Commands
{
    /// <summary>
    /// Represents a dummy <see cref="IServiceProvider" />.
    /// Returns <see langword="null" /> for any service <see cref="Type" /> requested.
    /// </summary>
    [EditorBrowsable(EditorBrowsableState.Never)]
    public sealed class DummyServiceProvider : IServiceProvider
    {
        /// <summary>
        /// Gets the singleton instance of the <see cref="DummyServiceProvider" />.
        /// </summary>
        public static readonly DummyServiceProvider Instance = new DummyServiceProvider();

        private DummyServiceProvider()
        {
        }

        /// <summary>
        /// Returns <see langword="null" />.
        /// </summary>
        /// <param name="serviceType"> The <see cref="Type" /> of the service to request. </param>
        /// <returns>
        /// <see langword="null" />.
        /// </returns>
        public object GetService(Type serviceType)
        {
            return null;
        }
    }
}