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java.nio.channels.Pipe usage example
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| import static java.nio.charset.StandardCharsets.UTF_8; | |
| import java.io.IOException; | |
| import java.io.InputStream; | |
| import java.io.OutputStream; | |
| import java.io.OutputStreamWriter; | |
| import java.io.Reader; | |
| import java.net.URI; | |
| import java.nio.channels.Channels; | |
| import java.nio.channels.Pipe; | |
| import jdk.incubator.http.HttpClient; | |
| import jdk.incubator.http.HttpRequest; | |
| import jdk.incubator.http.HttpResponse.BodyHandler; | |
| /** | |
| * Requires JDK 10 | |
| * | |
| * When running the class add --add-modules=ALL-SYSTEM to JVM arguments | |
| * to enable jdk.incubator.httpclient module | |
| */ | |
| public class NioPipeExample { | |
| public static void main(String[] args) throws Exception { | |
| Pipe pipe = Pipe.open(); | |
| Thread pipeReader = new Thread(() -> { | |
| OutputStreamWriter out = new OutputStreamWriter(System.out, UTF_8); | |
| try (Reader in = Channels.newReader(pipe.source(), UTF_8)) { | |
| in.transferTo(out); | |
| out.flush(); | |
| } catch (IOException e) { | |
| e.printStackTrace(); | |
| } | |
| }); | |
| pipeReader.start(); | |
| try (OutputStream out = Channels.newOutputStream(pipe.sink()); | |
| InputStream in = HttpClient.newHttpClient() | |
| .send(HttpRequest.newBuilder(new URI("https://twitter.com")).build(), | |
| BodyHandler.asInputStream()) | |
| .body()) { | |
| in.transferTo(out); | |
| } | |
| } | |
| } |
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