Winbox Java Class / winbox protocol handler

import java.io.IOException;
import java.io.PrintStream;

public class Winbox
{
  public static void main(String[] args)
  {
    String input = args[0];

    int slashPos = input.indexOf("://");
    int passPos = input.indexOf(":", slashPos + 3);
    int ipPos = input.indexOf("@");

    String username = input.substring(slashPos + 3, passPos);
    String password = input.substring(passPos + 1, ipPos);
    String ip = input.substring(ipPos + 1).replace("/", "");

    System.out.println(username);
    System.out.println(password);
    System.out.println(ip);

    Runtime r = Runtime.getRuntime();
    try
    {
      r.exec("c:\\winbox\\winbox.exe " + ip + " " + username + " " + password);
    }
    catch (IOException e)
    {
      e.printStackTrace();
    }
  }
}