Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Created on 21-Jan-2005
 * Created by Paul Gardner
 * Copyright (C) 2004, 2005, 2006 Aelitis, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program 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 for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 * 
 * AELITIS, SAS au capital de 46,603.30 euros
 * 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
 *
 */

import java.io.*;
import java.net.InetAddress;
import java.net.InetSocketAddress;

public class Main {
    protected static InetSocketAddress deserialiseAddress(DataInputStream is)

            throws IOException {
        byte[] bytes = deserialiseByteArray(is, 16);

        int port = is.readShort() & 0xffff;

        return (new InetSocketAddress(InetAddress.getByAddress(bytes), port));
    }

    protected static byte[] deserialiseByteArray(DataInputStream is, int max_length)

            throws IOException {
        int len = deserialiseLength(is, max_length);

        byte[] data = new byte[len];

        is.read(data);

        return (data);
    }

    protected static int deserialiseLength(DataInputStream is, int max_length)

            throws IOException {
        int len;

        if (max_length < 256) {

            len = is.readByte() & 0xff;

        } else if (max_length < 65536) {

            len = is.readShort() & 0xffff;

        } else {

            len = is.readInt();
        }

        if (len > max_length) {

            throw (new IOException("Invalid DHT data length: max=" + max_length + ",actual=" + len));
        }

        return (len);
    }
}