apewer-dotnet/Apewer/Web/ApiStartup.cs

#if NETCORE

using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Apewer.Web
{

    internal sealed class ApiStartup
    {

        public ApiStartup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            //services.AddControllers();
            services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment()) app.UseDeveloperExceptionPage();
            app.Run(Execute);
            // app.Run(async (context) => { await context.Response.WriteAsync("Hello World!"); });
        }

        private Task Execute(HttpContext context)
        {
            var message = ApiInvoker.Execute(context);
            return string.IsNullOrEmpty(message) ? Task.CompletedTask : Task.FromException(new Exception());
        }

    }

}

#endif