/
LocalizationServiceCollectionExtensions.cs
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/
LocalizationServiceCollectionExtensions.cs
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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 Microsoft.AspNetCore.Shared;
using Microsoft.Extensions.DependencyInjection.Extensions;
using Microsoft.Extensions.Localization;
namespace Microsoft.Extensions.DependencyInjection;
/// <summary>
/// Extension methods for setting up localization services in an <see cref="IServiceCollection" />.
/// </summary>
public static class LocalizationServiceCollectionExtensions
{
/// <summary>
/// Adds services required for application localization.
/// </summary>
/// <param name="services">The <see cref="IServiceCollection"/> to add the services to.</param>
/// <returns>The <see cref="IServiceCollection"/> so that additional calls can be chained.</returns>
public static IServiceCollection AddLocalization(this IServiceCollection services)
{
ArgumentNullThrowHelper.ThrowIfNull(services);
services.AddOptions();
AddLocalizationServices(services);
return services;
}
/// <summary>
/// Adds services required for application localization.
/// </summary>
/// <param name="services">The <see cref="IServiceCollection"/> to add the services to.</param>
/// <param name="setupAction">
/// An <see cref="Action{LocalizationOptions}"/> to configure the <see cref="LocalizationOptions"/>.
/// </param>
/// <returns>The <see cref="IServiceCollection"/> so that additional calls can be chained.</returns>
public static IServiceCollection AddLocalization(
this IServiceCollection services,
Action<LocalizationOptions> setupAction)
{
ArgumentNullThrowHelper.ThrowIfNull(services);
ArgumentNullThrowHelper.ThrowIfNull(setupAction);
services.AddOptions();
AddLocalizationServices(services, setupAction);
return services;
}
// To enable unit testing
internal static void AddLocalizationServices(IServiceCollection services)
{
services.TryAddSingleton<IStringLocalizerFactory, ResourceManagerStringLocalizerFactory>();
services.TryAddTransient(typeof(IStringLocalizer<>), typeof(StringLocalizer<>));
}
internal static void AddLocalizationServices(
IServiceCollection services,
Action<LocalizationOptions> setupAction)
{
AddLocalizationServices(services);
services.Configure(setupAction);
}
}