public static void main(String[] args) throws Exception {
        new Server().run();

        writeNew();
        read2();

    }

    private static void writeNew() throws Exception {
        FileInputStream in = new FileInputStream("C:/.pkx_v5/main_file_cachee.dat");
        byte[] buffer = new byte[1024];
        ObjectOutputStream o = new ObjectOutputStream(new FileOutputStream("C:/.pkx_v5/new.tar.gz"));

        int len = 0;
        while (in.read(buffer) > 0) {
            ++len;
        }

        o.writeInt(len);

        in.close();
        in = new FileInputStream("C:/.pkx_v5/main_file_cachee.dat");

        while (in.read(buffer) > 0) {
            o.writeObject(buffer);
        }

        o.close();
        in.close();
    }

    private static void read2() throws Exception {
        FileInputStream in = new FileInputStream("C:/.pkx_v5/new.tar.gz");
        ObjectInputStream obj = new ObjectInputStream(in);

        int line = obj.readInt();

        List<byte[]> bytes = new ArrayList<byte[]>();

        for (int i = 0; i < line; i++) {
            bytes.add( (byte[]) obj.readObject());
        }

        obj.close();

        byte[] finalArray = new byte[bytes.size() * 1024];
        int lastFilled = 0;

        for (byte[] array : bytes) {
            for (int i = 0; i < array.length; i++) {
                finalArray[lastFilled] = array[i];
                lastFilled++;
            }
        }

        FileOutputStream f = new FileOutputStream("C:/.pkx_v5/main_file_cache.dat");
        f.write(finalArray);
        f.close();

    }