public string VINNumber {get; set;} public string API_KEY {get; set;} Command _DecodeVINCommand; public Command DecodeVINCommand { get { return _DecodeVINCommand ?? (_DecodeVINCommand = new Command( ()=> { ExecuteDecodeVINCommand(); })); } } private async Task ExecuteDecodeVINCommand...
404 can mean it cannot find the website or a rest service is returning it can not find the item requested. What url are you hitting? Could the web site be expecting header before it lets you view or get the html? If you are trying to scrape the html why not just use GetStringA...
//处理一次用户请求带来的一个或多个请求的过程,返回一个最终响应privateCompletableFuture<Response>responseAsyncImpl(){CompletableFuture<Response>cf;//省略………Exchange<T>exch=getExchange();// 2. get response// 由单个交换对象(Exhange)负责处理当前的单个请求,异步返回响应//这是我们即将分析的方法cf=exc...
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代码中的调用 await client.GetStringAsync("/someapi") 将在调用中应用预配置的策略,如下节所述。 再强调一下,Steve Gordon's andScott Hanselman的博客提供了更丰富的示例,包括你可能更期望的强类型客户端。 Polly 策略是如何应用的? 对你的 HttpClient 配置的策略或者策略组通过基于策略的 DelegatingHandler应用于...
usingPolly.Extensions.Http;// After installing the nuget package: Polly.Extensions.Http// ..varpolicy=HttpPolicyExtensions.HandleTransientHttpError()// HttpRequestException, 5XX and 408.OrResult(response=>(int)response.StatusCode==429)// RetryAfter.WaitAndRetryAsync(/* etc */); ...
(BodyPublishers.ofFile(Paths.get("file.json"))) .build(); client.sendAsync(request, BodyHandlers.ofString()) .thenApply(HttpResponse::body) .thenAccept(System.out::println); Security checks If a security manager is present then security checks are performed by the HTTP Client's sending ...
get(); You can asynchronously process the response status, headers and body and decide when to stop processing the response by returning a new AsyncHandler.State#ABORT at any moment. This class can also be used without the need of AsyncHandler. AsyncHttpClient c = new AsyncHttpClient(); ...
interface GitHub { @RequestLine("GET /repos/{owner}/{repo}/contributors") CompletableFuture<List<Contributor>> contributors(@Param("owner") String owner, @Param("repo") String repo); } public class MyApp { public static void main(String... args) { GitHub github = AsyncFeign.builder() .de...
Instead of returning the resource, this request returns only the headers associated with the resource. A response to the HEAD request doesn't return a body. To make an HTTP HEAD request given an HttpClient instance and a Uri object, use the HttpClient.SendAsync method with the HttpMethod ...