/*

 * Copyright (c) 2013, 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 4811968 6908628 8006564

 * @run main S11N check

 * @summary Serialization compatibility with old versions (and fixes)

 */

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.util.HashMap;

import java.util.Map;

import sun.misc.BASE64Encoder;

import sun.security.util.ObjectIdentifier;

public class S11N {

    static String[] SMALL= {

        "0.0",

        "1.1",

        "2.2",

        "1.2.3456",

        "1.2.2147483647.4",

        "1.2.268435456.4",

    };

    static String[] HUGE = {

        "2.16.764.1.3101555394.1.0.100.2.1",

        "1.2.2147483648.4",

        "2.3.4444444444444444444444",

        "1.2.8888888888888888.33333333333333333.44444444444444",

    };

    // Do not use j.u.Base64, the test needs to run in jdk6

    static BASE64Encoder encoder = new BASE64Encoder() {

        @Override

        protected int bytesPerLine() {

            return 48;

        }

    };

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

        if (args[0].equals("check")) {

            int version = Integer.valueOf(System.getProperty("java.version")

                    .split("\\.")[1]);

            System.out.println("version is " + version);

            if (version >= 7) {

                for (String oid: SMALL) {

                    // 7 -> 7

                    check(out(oid), oid);

                    // 6 -> 7

                    check(out6(oid), oid);

                }

                for (String oid: HUGE) {

                    // 7 -> 7

                    check(out(oid), oid);

                }

            } else {

                for (String oid: SMALL) {

                    // 6 -> 6

                    check(out(oid), oid);

                    // 7 -> 6

                    check(out7(oid), oid);

                }

                for (String oid: HUGE) {

                    // 7 -> 6 fails for HUGE oids

                    boolean ok = false;

                    try {

                        check(out7(oid), oid);

                        ok = true;

                    } catch (Exception e) {

                        System.out.println(e);

                    }

                    if (ok) {

                        throw new Exception();

                    }

                }

            }

        } else {

            // Generates the JDK6 serialized string inside this test, call

            //      $JDK7/bin/java S11N dump7

            //      $JDK6/bin/java S11N dump6

            // and paste the output at the end of this test.

            dump(args[0], SMALL);

            // For jdk6, the following line will throw an exception, ignore it

            dump(args[0], HUGE);

        }

    }

    // Gets the serialized form for jdk6

    private static byte[] out6(String oid) throws Exception {

        return new sun.misc.BASE64Decoder().decodeBuffer(dump6.get(oid));

    }

    // Gets the serialized form for jdk7

    private static byte[] out7(String oid) throws Exception {

        return new sun.misc.BASE64Decoder().decodeBuffer(dump7.get(oid));

    }

    // Gets the serialized form for this java

    private static byte[] out(String oid) throws Exception {

        ByteArrayOutputStream bout = new ByteArrayOutputStream();

        new ObjectOutputStream(bout).writeObject(new ObjectIdentifier(oid));

        return bout.toByteArray();

    }

    // Makes sure serialized form can be deserialized

    private static void check(byte[] in, String oid) throws Exception {

        ObjectIdentifier o = (ObjectIdentifier) (

                new ObjectInputStream(new ByteArrayInputStream(in)).readObject());

        if (!o.toString().equals(oid)) {

            throw new Exception("Read Fail " + o + ", not " + oid);

        }

    }

    // dump serialized form to java code style text

    private static void dump(String title, String[] oids) throws Exception {

        for (String oid: oids) {

            String[] base64 = encoder.encodeBuffer(out(oid)).split("\n");

            System.out.println("        " + title + ".put(\"" + oid + "\",");

            for (int i = 0; i<base64.length; i++) {

                System.out.print("            \"" + base64[i] + "\"");

                if (i == base64.length - 1) {

                    System.out.println(");");

                } else {

                    System.out.println(" +");

                }

            }

        }

    }

    // Do not use diamond operator, this test is also meant to run in jdk6

    private static Map<String,String> dump7 = new HashMap<String,String>();

    private static Map<String,String> dump6 = new HashMap<String,String>();

    static {

        //////////////  PASTE BEGIN //////////////

        dump7.put("0.0",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhwAAAAAnVyAAJbSU26YCZ26rKlAgAAeHAA" +

            "AAACAAAAAAAAAAB1cgACW0Ks8xf4BghU4AIAAHhwAAAAAQB4");

        dump7.put("1.1",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhwAAAAAnVyAAJbSU26YCZ26rKlAgAAeHAA" +

            "AAACAAAAAQAAAAF1cgACW0Ks8xf4BghU4AIAAHhwAAAAASl4");

        dump7.put("2.2",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhwAAAAAnVyAAJbSU26YCZ26rKlAgAAeHAA" +

            "AAACAAAAAgAAAAJ1cgACW0Ks8xf4BghU4AIAAHhwAAAAAVJ4");

        dump7.put("1.2.3456",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhwAAAAA3VyAAJbSU26YCZ26rKlAgAAeHAA" +

            "AAADAAAAAQAAAAIAAA2AdXIAAltCrPMX+AYIVOACAAB4cAAAAAMqmwB4");

        dump7.put("1.2.2147483647.4",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhwAAAABHVyAAJbSU26YCZ26rKlAgAAeHAA" +

            "AAAEAAAAAQAAAAJ/////AAAABHVyAAJbQqzzF/gGCFTgAgAAeHAAAAAHKof///9/" +

            "BHg=");

        dump7.put("1.2.268435456.4",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhwAAAABHVyAAJbSU26YCZ26rKlAgAAeHAA" +

            "AAAEAAAAAQAAAAIQAAAAAAAABHVyAAJbQqzzF/gGCFTgAgAAeHAAAAAHKoGAgIAA" +

            "BHg=");

        dump7.put("2.16.764.1.3101555394.1.0.100.2.1",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhw/////3NyAD5zdW4uc2VjdXJpdHkudXRp" +

            "bC5PYmplY3RJZGVudGlmaWVyJEh1Z2VPaWROb3RTdXBwb3J0ZWRCeU9sZEpESwAA" +

            "AAAAAAABAgAAeHB1cgACW0Ks8xf4BghU4AIAAHhwAAAADmCFfAGLxvf1QgEAZAIB" +

            "eA==");

        dump7.put("1.2.2147483648.4",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhw/////3NyAD5zdW4uc2VjdXJpdHkudXRp" +

            "bC5PYmplY3RJZGVudGlmaWVyJEh1Z2VPaWROb3RTdXBwb3J0ZWRCeU9sZEpESwAA" +

            "AAAAAAABAgAAeHB1cgACW0Ks8xf4BghU4AIAAHhwAAAAByqIgICAAAR4");

        dump7.put("2.3.4444444444444444444444",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhw/////3NyAD5zdW4uc2VjdXJpdHkudXRp" +

            "bC5PYmplY3RJZGVudGlmaWVyJEh1Z2VPaWROb3RTdXBwb3J0ZWRCeU9sZEpESwAA" +

            "AAAAAAABAgAAeHB1cgACW0Ks8xf4BghU4AIAAHhwAAAADFOD4e+HpNG968eOHHg=");

        dump7.put("1.2.8888888888888888.33333333333333333.44444444444444",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4DAANJAAxjb21wb25lbnRMZW5MAApjb21wb25lbnRzdAASTGphdmEvbGFuZy9P" +

            "YmplY3Q7WwAIZW5jb2Rpbmd0AAJbQnhw/////3NyAD5zdW4uc2VjdXJpdHkudXRp" +

            "bC5PYmplY3RJZGVudGlmaWVyJEh1Z2VPaWROb3RTdXBwb3J0ZWRCeU9sZEpESwAA" +

            "AAAAAAABAgAAeHB1cgACW0Ks8xf4BghU4AIAAHhwAAAAGCqP5Yzbxa6cOLubj9ek" +

            "japVio3AusuOHHg=");

        dump6.put("0.0",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4CAAJJAAxjb21wb25lbnRMZW5bAApjb21wb25lbnRzdAACW0l4cAAAAAJ1cgAC" +

            "W0lNumAmduqypQIAAHhwAAAAAgAAAAAAAAAA");

        dump6.put("1.1",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4CAAJJAAxjb21wb25lbnRMZW5bAApjb21wb25lbnRzdAACW0l4cAAAAAJ1cgAC" +

            "W0lNumAmduqypQIAAHhwAAAAAgAAAAEAAAAB");

        dump6.put("2.2",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4CAAJJAAxjb21wb25lbnRMZW5bAApjb21wb25lbnRzdAACW0l4cAAAAAJ1cgAC" +

            "W0lNumAmduqypQIAAHhwAAAAAgAAAAIAAAAC");

        dump6.put("1.2.3456",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4CAAJJAAxjb21wb25lbnRMZW5bAApjb21wb25lbnRzdAACW0l4cAAAAAN1cgAC" +

            "W0lNumAmduqypQIAAHhwAAAAAwAAAAEAAAACAAANgA==");

        dump6.put("1.2.2147483647.4",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4CAAJJAAxjb21wb25lbnRMZW5bAApjb21wb25lbnRzdAACW0l4cAAAAAR1cgAC" +

            "W0lNumAmduqypQIAAHhwAAAABAAAAAEAAAACf////wAAAAQ=");

        dump6.put("1.2.268435456.4",

            "rO0ABXNyACJzdW4uc2VjdXJpdHkudXRpbC5PYmplY3RJZGVudGlmaWVyeLIO7GQX" +

            "fy4CAAJJAAxjb21wb25lbnRMZW5bAApjb21wb25lbnRzdAACW0l4cAAAAAR1cgAC" +

            "W0lNumAmduqypQIAAHhwAAAABAAAAAEAAAACEAAAAAAAAAQ=");

        //////////////  PASTE END //////////////

    }

}