http client using modern java default API / published by https://github.com/dacr/code-examples-manager #f988da9b-b5bb-4f80-b7bd-6165d7b90bff/b728879f783b526523589c3e9f5ba419d02eddf0

http-client-java-only.sc

// summary : http client using modern java default API
// keywords : scala, java, @testable
// publish : gist
// authors : David Crosson
// license : Apache NON-AI License Version 2.0 (https://raw.githubusercontent.com/non-ai-licenses/non-ai-licenses/main/NON-AI-APACHE2)
// id : f988da9b-b5bb-4f80-b7bd-6165d7b90bff
// created-on : 2021-10-17T09:50:04+02:00
// managed-by : https://github.com/dacr/code-examples-manager
// run-with : scala-cli $file

// ---------------------
//> using scala  "3.1.1"
// ---------------------

def jsonGet(targetURI: String): java.net.http.HttpResponse[String] = {
  import java.net.http._
  import java.net.http.HttpClient._
  import java.net.http.HttpResponse._
  import java.time.Duration
  import java.net._
  val client  =
    HttpClient
      .newBuilder()
      .version(Version.HTTP_1_1)
      .followRedirects(Redirect.NORMAL)
      .connectTimeout(Duration.ofSeconds(20))
      //.proxy(ProxySelector.of(new InetSocketAddress("127.0.0.1", 3128)))
      //.authenticator(Authenticator.getDefault())
      .build()
  val request =
    HttpRequest
      .newBuilder()
      .uri(URI.create(targetURI))
      .timeout(Duration.ofMinutes(2))
      .header("Content-Type", "application/json")
      .header("User-Agent", "Ammonite Script")
      .GET()
      .build();
  client.send(request, BodyHandlers.ofString())
}

println(jsonGet("https://httpbin.org/get").body())