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Port HTTPlease.Extensions.DependencyInjection
(will be needed to modernise KubeClient's dependency injection to support Microsoft.Extensions.Http) #166
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,189 @@ | ||
| using Microsoft.Extensions.DependencyInjection; | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Net.Http; | ||
|
|
||
| namespace KubeClient.Http | ||
| { | ||
| using Clients; | ||
|
|
||
| /// <summary> | ||
| /// Extension methods for registering and resolving components for dependency injection. | ||
| /// </summary> | ||
| public static class DependencyInjectionExtensions | ||
| { | ||
| /// <summary> | ||
| /// Register a named <see cref="HttpClient"/> (via <see cref="IHttpClientFactory"/>) using the configuration from an <see cref="ClientBuilder"/>. | ||
| /// </summary> | ||
| /// <param name="services"> | ||
| /// The <see cref="IServiceCollection"/> to configure. | ||
| /// </param> | ||
| /// <param name="name"> | ||
| /// The name of the <see cref="HttpClient"/> configuration to register. | ||
| /// </param> | ||
| /// <param name="http"> | ||
| /// The <see cref="ClientBuilder"/> to use for handler configuration. | ||
| /// </param> | ||
| /// <returns> | ||
| /// An <see cref="IHttpClientBuilder"/> representing the <see cref="HttpClient"/> configuration (enables further customisation). | ||
| /// </returns> | ||
| public static IHttpClientBuilder AddHttpClient(this IServiceCollection services, string name, ClientBuilder http) | ||
| { | ||
| if (services == null) | ||
| throw new ArgumentNullException(nameof(services)); | ||
|
|
||
| if (String.IsNullOrWhiteSpace(name)) | ||
| throw new ArgumentException($"Argument cannot be null, empty, or entirely composed of whitespace: {nameof(name)}.", nameof(name)); | ||
|
|
||
| if (http == null) | ||
| throw new ArgumentNullException(nameof(http)); | ||
|
|
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| IHttpClientBuilder client = services.AddHttpClient(name); | ||
|
|
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| return client.Configure(http); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Register a named <see cref="HttpClient"/> (via <see cref="IHttpClientFactory"/>) using the configuration from an <see cref="ClientBuilder"/>. | ||
| /// </summary> | ||
| /// <param name="services"> | ||
| /// The <see cref="IServiceCollection"/> to configure. | ||
| /// </param> | ||
| /// <param name="name"> | ||
| /// The name of the <see cref="HttpClient"/> configuration to register. | ||
| /// </param> | ||
| /// <param name="http"> | ||
| /// The <see cref="ClientBuilder{TContext}"/> to use for handler configuration. | ||
| /// | ||
| /// <para> | ||
| /// Configuration delegates will have access to a scoped <see cref="IServiceProvider"/>; see <see href="https://learn.microsoft.com/en-us/dotnet/core/extensions/httpclient-factory#message-handler-scopes-in-ihttpclientfactory"/> for further information. | ||
| /// </para> | ||
| /// </param> | ||
| /// <returns> | ||
| /// An <see cref="IHttpClientBuilder"/> representing the <see cref="HttpClient"/> configuration (enables further customisation). | ||
| /// </returns> | ||
| public static IHttpClientBuilder AddHttpClient(this IServiceCollection services, string name, ClientBuilder<IServiceProvider> http) | ||
| { | ||
| if (services == null) | ||
| throw new ArgumentNullException(nameof(services)); | ||
|
|
||
| if (String.IsNullOrWhiteSpace(name)) | ||
| throw new ArgumentException($"Argument cannot be null, empty, or entirely composed of whitespace: {nameof(name)}.", nameof(name)); | ||
|
|
||
| if (http == null) | ||
| throw new ArgumentNullException(nameof(http)); | ||
|
|
||
| IHttpClientBuilder client = services.AddHttpClient(name); | ||
|
|
||
| return client.Configure(http); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Configure an <see cref="HttpClient"/> using an client-builder. | ||
| /// </summary> | ||
| /// <param name="client"> | ||
| /// An <see cref="IHttpClientBuilder"/> representing the <see cref="HttpClient"/> configuration. | ||
| /// </param> | ||
| /// <param name="http"> | ||
| /// The <see cref="ClientBuilder"/> used to configure the <see cref="HttpClient"/>. | ||
| /// </param> | ||
| /// <returns> | ||
| /// The configured <see cref="IHttpClientBuilder"/>. | ||
| /// </returns> | ||
| static IHttpClientBuilder Configure(this IHttpClientBuilder client, ClientBuilder http) | ||
| { | ||
| if (client == null) | ||
| throw new ArgumentNullException(nameof(client)); | ||
|
|
||
| if (http == null) | ||
| throw new ArgumentNullException(nameof(http)); | ||
|
|
||
| if (http.HasCustomPipelineTerminus) | ||
| { | ||
| client.ConfigurePrimaryHttpMessageHandler( | ||
| () => http.BuildPipelineTerminus() | ||
| ); | ||
| } | ||
| client.ConfigureAdditionalHttpMessageHandlers((handlers, serviceProvider) => | ||
| { | ||
| List<DelegatingHandler> httpHandlers = http.CreatePipelineHandlers(); | ||
|
|
||
| foreach (DelegatingHandler httpHandler in httpHandlers) | ||
| handlers.Add(httpHandler); | ||
| }); | ||
|
|
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| return client; | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Configure an <see cref="HttpClient"/> using an client-builder. | ||
| /// </summary> | ||
| /// <param name="client"> | ||
| /// An <see cref="IHttpClientBuilder"/> representing the <see cref="HttpClient"/> configuration. | ||
| /// </param> | ||
| /// <param name="http"> | ||
| /// The <see cref="ClientBuilder{TContext}"/> used to configure the <see cref="HttpClient"/>. | ||
| /// </param> | ||
| /// <returns> | ||
| /// The configured <see cref="IHttpClientBuilder"/>. | ||
| /// </returns> | ||
| static IHttpClientBuilder Configure(this IHttpClientBuilder client, ClientBuilder<IServiceProvider> http) | ||
| { | ||
| if (client == null) | ||
| throw new ArgumentNullException(nameof(client)); | ||
|
|
||
| if (http == null) | ||
| throw new ArgumentNullException(nameof(http)); | ||
|
|
||
| if (http.HasCustomPipelineTerminus) | ||
| { | ||
| client.ConfigurePrimaryHttpMessageHandler( | ||
| serviceProvider => http.BuildPipelineTerminus(serviceProvider) | ||
| ); | ||
| } | ||
|
|
||
| client.ConfigureAdditionalHttpMessageHandlers((handlers, serviceProvider) => | ||
| { | ||
| List<DelegatingHandler> httpHandlers = http.CreatePipelineHandlers(serviceProvider); | ||
|
|
||
| foreach (DelegatingHandler httpHandler in httpHandlers) | ||
| handlers.Add(httpHandler); | ||
| }); | ||
|
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| return client; | ||
| } | ||
|
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||
| #if NET7_0 || NETSTANDARD2_1 | ||
| /// <summary> | ||
| /// Configure additional HTTP message handlers. | ||
| /// </summary> | ||
| /// <param name="client"> | ||
| /// The <see cref="IHttpClientBuilder"/> to configure. | ||
| /// </param> | ||
| /// <param name="configureAdditionalHandlers"> | ||
| /// A delegate that configures additional handlers. | ||
| /// </param> | ||
| /// <returns> | ||
| /// The configured <see cref="IHttpClientBuilder"/>. | ||
| /// </returns> | ||
| /// <remarks> | ||
| /// Polyfill for net7.0/netstandard2.1: ConfigureAdditionalHttpMessageHandlers extension method for IHttpClientBuilder. | ||
| /// </remarks> | ||
| internal static IHttpClientBuilder ConfigureAdditionalHttpMessageHandlers(this IHttpClientBuilder client, Action<IList<DelegatingHandler>, IServiceProvider> configureAdditionalHandlers) | ||
| { | ||
| if (client == null) | ||
| throw new ArgumentNullException(nameof(client)); | ||
|
|
||
| if (configureAdditionalHandlers == null) | ||
| throw new ArgumentNullException(nameof(configureAdditionalHandlers)); | ||
|
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| client.ConfigureHttpMessageHandlerBuilder(handlerBuilder => | ||
| { | ||
| configureAdditionalHandlers(handlerBuilder.AdditionalHandlers, handlerBuilder.Services); | ||
| }); | ||
|
|
||
| return client; | ||
| } | ||
| #endif // NET7_0 || NETSTANDARD2_1 | ||
| } | ||
| } |
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