86 lines
3.7 KiB
C#
86 lines
3.7 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.IO;
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using System.Text;
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using System.Threading.Tasks;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Internal;
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using Microsoft.AspNetCore.Routing;
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using Microsoft.AspNetCore.Routing.Internal;
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using Microsoft.AspNetCore.Routing.Patterns;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.DependencyInjection.Extensions;
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namespace RoutingSandbox
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{
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public class UseEndpointRoutingStartup
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{
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private static readonly byte[] _homePayload = Encoding.UTF8.GetBytes("Endpoint Routing sample endpoints:" + Environment.NewLine + "/plaintext");
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private static readonly byte[] _helloWorldPayload = Encoding.UTF8.GetBytes("Hello, World!");
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public void ConfigureServices(IServiceCollection services)
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{
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var endpointDataSource = new DefaultEndpointDataSource(new[]
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{
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new RouteEndpoint((httpContext) =>
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{
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var response = httpContext.Response;
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var payloadLength = _homePayload.Length;
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response.StatusCode = 200;
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response.ContentType = "text/plain";
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response.ContentLength = payloadLength;
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return response.Body.WriteAsync(_homePayload, 0, payloadLength);
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},
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RoutePatternFactory.Parse("/"),
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0,
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EndpointMetadataCollection.Empty,
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"Home"),
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new RouteEndpoint((httpContext) =>
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{
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var response = httpContext.Response;
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var payloadLength = _helloWorldPayload.Length;
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response.StatusCode = 200;
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response.ContentType = "text/plain";
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response.ContentLength = payloadLength;
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return response.Body.WriteAsync(_helloWorldPayload, 0, payloadLength);
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},
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RoutePatternFactory.Parse("/plaintext"),
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0,
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EndpointMetadataCollection.Empty,
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"Plaintext"),
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new RouteEndpoint((httpContext) =>
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{
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using (var writer = new StreamWriter(httpContext.Response.Body, Encoding.UTF8, 1024, leaveOpen: true))
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{
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var graphWriter = httpContext.RequestServices.GetRequiredService<DfaGraphWriter>();
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var dataSource = httpContext.RequestServices.GetRequiredService<CompositeEndpointDataSource>();
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graphWriter.Write(dataSource, writer);
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}
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return Task.CompletedTask;
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},
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RoutePatternFactory.Parse("/graph"),
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0,
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new EndpointMetadataCollection(new HttpMethodMetadata(new[]{ "GET", })),
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"DFA Graph"),
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});
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services.TryAddEnumerable(ServiceDescriptor.Singleton<EndpointDataSource>(endpointDataSource));
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}
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public void Configure(IApplicationBuilder app)
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{
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app.UseEndpointRouting();
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app.UseStaticFiles();
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// Imagine some more stuff here...
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app.UseEndpoint();
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}
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}
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}
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