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// This software is part of the Autofac IoC container
// Copyright © 2017 Autofac Contributors
// http://autofac.org
//
// 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.
using System;
using Microsoft.Extensions.DependencyInjection;
namespace Autofac.Extensions.DependencyInjection
{
/// <summary>
/// A factory for creating a <see cref="ContainerBuilder"/> and an <see cref="T:System.IServiceProvider" />.
/// </summary>
public class AutofacServiceProviderFactory : IServiceProviderFactory<ContainerBuilder>
{
private readonly Action<ContainerBuilder> _configurationAction;
/// <summary>
/// Initializes a new instance of the <see cref="AutofacServiceProviderFactory"/> class.
/// </summary>
/// <param name="configurationAction">Action on a <see cref="ContainerBuilder"/> that adds component registrations to the conatiner.</param>
public AutofacServiceProviderFactory(Action<ContainerBuilder> configurationAction = null)
{
_configurationAction = configurationAction ?? (builder => { });
}
/// <summary>
/// Creates a container builder from an <see cref="T:Microsoft.Extensions.DependencyInjection.IServiceCollection" />.
/// </summary>
/// <param name="services">The collection of services</param>
/// <returns>A container builder that can be used to create an <see cref="T:System.IServiceProvider" />.</returns>
public ContainerBuilder CreateBuilder(IServiceCollection services)
{
var builder = new ContainerBuilder();
builder.Populate(services);
_configurationAction(builder);
return builder;
}
/// <summary>
/// Creates an <see cref="T:System.IServiceProvider" /> from the container builder.
/// </summary>
/// <param name="containerBuilder">The container builder</param>
/// <returns>An <see cref="T:System.IServiceProvider" /></returns>
public IServiceProvider CreateServiceProvider(ContainerBuilder containerBuilder)
{
if (containerBuilder == null) throw new ArgumentNullException(nameof(containerBuilder));
var container = containerBuilder.Build();
return new AutofacServiceProvider(container);
}
}
}