/*

 * Copyright (c) 2000, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

 * @bug 4397096

 * @library /test/lib

 * @run main/othervm SetIfModifiedSince

 * @summary setIfModifiedSince() of HttpURLConnection sets invalid date of default locale

 */

import java.net.*;

import java.io.*;

import java.util.*;

import jdk.test.lib.net.URIBuilder;

public class SetIfModifiedSince {

    static volatile boolean successfulHeaderCheck = false;

    static final String MARKER = "A-test-name";

    static class XServer extends Thread {

        ServerSocket srv;

        Socket s;

        InputStream is;

        OutputStream os;

        XServer (ServerSocket s) {

            srv = s;

        }

        Socket getSocket () {

            return (s);

        }

        public void run() {

            boolean foundMarker = false;

            while (!foundMarker) {

                String x;

                try {

                    s = srv.accept();

                    System.out.println("Server: accepting connection from: " + s);

                    is = s.getInputStream ();

                } catch (IOException io) {

                    System.err.println("Server: Failed to accept connection: " + io);

                    io.printStackTrace();

                    try { srv.close(); } catch (IOException ioc) { }

                    break;

                }

                try {

                    BufferedReader r = new BufferedReader(new InputStreamReader(is));

                    os = s.getOutputStream ();

                    boolean foundHeader;

                    while ((x=r.readLine()) != null) {

                        String testname = MARKER + ": ";

                        String header = "If-Modified-Since: ";

                        if (x.startsWith(header)) {

                            foundHeader = true;

                            System.out.println("Server: found header: " + x);

                            if (x.charAt(header.length()) == '?') {

                                s.close ();

                                srv.close (); // or else the HTTPURLConnection will retry

                                throw new RuntimeException

                                        ("Invalid HTTP date specification");

                            }

                            if (foundMarker) break;

                        } else if (x.startsWith(testname)) {

                           foundMarker = true;

                           System.out.println("Server: found marker: " + x);

                        }

                    }

                    successfulHeaderCheck = true;

                    s.close ();

                    // only close server if connected from this test.

                    if (foundMarker) {

                        srv.close (); // or else the HTTPURLConnection will retry

                    }

                } catch (IOException e) {}

            }

        }

    }

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

        Locale reservedLocale = Locale.getDefault();

        try {

            Locale.setDefault(Locale.JAPAN);

            ServerSocket serversocket = new ServerSocket();

            serversocket.bind(new InetSocketAddress(InetAddress.getLoopbackAddress(), 0));

            int port = serversocket.getLocalPort ();

            XServer server = new XServer (serversocket);

            server.start ();

            Thread.sleep (2000);

            URL url = URIBuilder.newBuilder()

                    .scheme("http")

                    .loopback()

                    .port(port)

                    .path("/index.html")

                    .toURLUnchecked();

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

            urlc.setRequestProperty(MARKER, "SetIfModifiedSince");

            urlc.setIfModifiedSince (10000000);

            InputStream is = urlc.getInputStream ();

            int i = 0, c;

            Thread.sleep(5000);

            if (!successfulHeaderCheck) {

                throw new RuntimeException("Header check was unsuccessful");

            }

        } catch (SocketException ce) {

            if (!successfulHeaderCheck) {

                throw ce;

            }

            System.out.println("ConnectionException expected on successful check of If-modified-since header");

        } finally {

            // restore the reserved locale

            Locale.setDefault(reservedLocale);

        }

    }

}