/*

 * Copyright (c) 2009, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/**

 * @test

 * @bug 6886436

 * @summary HttpServer should not send a body with 204 response.

 * @library /test/lib

 * @run main B6886436

 * @run main/othervm -Djava.net.preferIPv6Addresses=true B6886436

 */

import com.sun.net.httpserver.*;

import java.util.*;

import java.util.concurrent.*;

import java.util.logging.*;

import java.io.*;

import java.net.*;

import jdk.test.lib.net.URIBuilder;

public class B6886436 {

    public static void main (String[] args) throws Exception {

        Logger logger = Logger.getLogger ("com.sun.net.httpserver");

        ConsoleHandler c = new ConsoleHandler();

        c.setLevel (Level.WARNING);

        logger.addHandler (c);

        logger.setLevel (Level.WARNING);

        Handler handler = new Handler();

        InetAddress loopback = InetAddress.getLoopbackAddress();

        InetSocketAddress addr = new InetSocketAddress (loopback, 0);

        HttpServer server = HttpServer.create (addr, 0);

        HttpContext ctx = server.createContext ("/test", handler);

        ExecutorService executor = Executors.newCachedThreadPool();

        server.setExecutor (executor);

        server.start ();

        URL url = URIBuilder.newBuilder()

            .scheme("http")

            .loopback()

            .port(server.getAddress().getPort())

            .path("/test/foo.html")

            .toURL();

        HttpURLConnection urlc = (HttpURLConnection)url.openConnection(Proxy.NO_PROXY);

        try {

            InputStream is = urlc.getInputStream();

            while (is.read()!= -1) ;

            is.close ();

            urlc = (HttpURLConnection)url.openConnection(Proxy.NO_PROXY);

            urlc.setReadTimeout (3000);

            is = urlc.getInputStream();

            while (is.read()!= -1);

            is.close ();

        } catch (IOException e) {

            server.stop(2);

            executor.shutdown();

            throw new RuntimeException ("Test failed");

        }

        server.stop(2);

        executor.shutdown();

        System.out.println ("OK");

    }

    public static boolean error = false;

    static class Handler implements HttpHandler {

        int invocation = 1;

        public void handle (HttpExchange t)

            throws IOException

        {

            InputStream is = t.getRequestBody();

            Headers map = t.getRequestHeaders();

            Headers rmap = t.getResponseHeaders();

            while (is.read () != -1) ;

            is.close();

            // send a 204 response with an empty chunked body

            t.sendResponseHeaders (204, 0);

            t.close();

        }

    }

}