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* version 2 for more details (a copy is included in the LICENSE file that
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*
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/**
* @test
* @summary test that handler can send response asynchronously
* @library /test/lib
* @modules java.base/sun.net.www
* @run main/othervm AsyncHandlerTest
*/
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.URL;
import com.sun.net.httpserver.HttpExchange;
import com.sun.net.httpserver.HttpHandler;
import com.sun.net.httpserver.HttpServer;
import jdk.test.lib.net.URIBuilder;
public class AsyncHandlerTest implements HttpHandler {
private final HttpServer server;
public AsyncHandlerTest(HttpServer server) {
this.server = server;
}
@Override
public void handle(HttpExchange ex) throws IOException {
ex.sendResponseHeaders(200, 0L);
server.getExecutor().execute(() -> {
try (var os = ex.getResponseBody()) {
os.write("hello".getBytes());
} catch(IOException e) {
e.printStackTrace();
}
});
}
public static void main(String[] args) throws IOException, InterruptedException {
HttpServer server = HttpServer.create(
new InetSocketAddress(InetAddress.getLoopbackAddress(), 0), 0);
try {
server.createContext("/context", new AsyncHandlerTest(server));
server.start();
URL url = URIBuilder.newBuilder()
.scheme("http")
.loopback()
.port(server.getAddress().getPort())
.path("/context")
.toURLUnchecked();
HttpURLConnection urlc = (HttpURLConnection) url.openConnection();
System.out.println("Client: Response code received: " + urlc.getResponseCode());
try (InputStream is = urlc.getInputStream()) {
String body = new String(is.readAllBytes());
if(!"hello".equals(body)) throw new IllegalStateException("incorrect body "+body);
}
} finally {
server.stop(0);
}
}
}