Captive Dependency 6 - Typed HttpClient example 2

1_Startup.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddSingleton<SingletonService>();
    services.AddSingleton<CatalogClientFactory>();
    services.AddHttpClient<CatalogClient>();
}

2_CatalogClientFactory.cs

public class CatalogClientFactory
{
    private readonly IServiceProvider serviceProvider;

    public CatalogClientFactory(IServiceProvider serviceProvider)
    {
        this.serviceProvider = serviceProvider;
    }

    public CatalogClient Create() => serviceProvider.GetService<CatalogClient>();
}

3_SingletonService.cs

public class SingletonService
{
    private readonly CatalogClientFactory catalogClientFactory;

    public SingletonService(CatalogClientFactory catalogClientFactory)
    {
        this.catalogClientFactory = catalogClientFactory;
    }

    public async Task<List<string>> GetCatalogs()
    {
        return await catalogClientFactory.Create().GetCatalogs();
    }
}