![]() For a complete list of supported content, see HttpContent.I agree that CLI are awesome and you can do way more using it that with any other UI (specially a web one), but taking HTTP API testing as an example, postman lets you do a bunch of stuff that are so simple with one click that I can see some people not wanting to dive in the CLI world, write a bunch of stuff and also having to store environment data for requests with extra files (I think thats where the 'difficult' from the previous comment comes along, but that's just me guessing.) For example, MultipartContent and StreamContent. HttpClient also supports other types of content. Calls EnsureSuccessStatusCode to throw an exception if the response status code doesn't indicate success.This is a relative URL that gets added to the HttpClient.BaseAddress. Calls PostAsync to send the JSON content to the specified URL.Creates an instance of StringContent to package the serialized JSON for sending in the HTTP request's body.Serializes the TodoItem parameter to JSON using.In the preceding code, the CreateItemAsync method: HttpResponseMessage.EnsureSuccessStatusCode() The following example shows how to make an HTTP POST request: public async Task CreateItemAsync(TodoItem todoItem)Īpplication.Json) // using static Īwait _httpClient.PostAsync("/api/TodoItems", todoItemJson) HttpClient also supports other HTTP verbs, including:įor a complete list of supported HTTP verbs, see HttpMethod. In the preceding examples, all HTTP requests use the GET HTTP verb. GitHubBranches = await _gitHubClient.GetAspNetCoreDocsBranchesAsync() Public BasicModel(IHttpClientFactory httpClientFactory) => Private readonly IHttpClientFactory _httpClientFactory The following code uses IHttpClientFactory to create an HttpClient instance: public class BasicModel : PageModel Register IHttpClientFactory by calling AddHttpClient in Program.cs: var builder = WebApplication.CreateBuilder(args) Īn IHttpClientFactory can be requested using dependency injection (DI). The best approach depends upon the app's requirements. There are several ways IHttpClientFactory can be used in an app: For samples that use Json.NET and ReadAsAsync, use the version selector to select a 2.x version of this topic. The sample code in this topic version uses to deserialize JSON content returned in HTTP responses. Adds a configurable logging experience (via ILogger) for all requests sent through clients created by the factory.Automatic management avoids common DNS (Domain Name System) problems that occur when manually managing HttpClient lifetimes. Manages the pooling and lifetime of underlying HttpClientMessageHandler instances.Provides extensions for Polly-based middleware to take advantage of delegating handlers in HttpClient. Codifies the concept of outgoing middleware via delegating handlers in HttpClient.A default client can be registered for general access. For example, a client named github could be registered and configured to access GitHub. Provides a central location for naming and configuring logical HttpClient instances.IHttpClientFactory offers the following benefits: By Kirk Larkin, Steve Gordon, Glenn Condron, and Ryan Nowak.Īn IHttpClientFactory can be registered and used to configure and create HttpClient instances in an app.
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