/*
 * IpFormatter.java
 *
 * Simple demo of converting an int to a IP-format string.
 *
 * Copyright 2003, Matt Gerrans.
 *
 * Turning in this code as homework is a violation of ethical principals,
 * and punishable by severe penalties, even if you change the variable
 * names.   Feeding it to your dog is acceptible.
 */
class IpFormatter
{
   static String getIpFormat( int number )
   {
      StringBuffer buffy = new StringBuffer();
 
      for( int i = 0; i < 4; i++ )
      {
         int part = 0xff & (number >> ((3-i)*8));
         buffy.append( i > 0 ? "." : "" );
         buffy.append( Integer.toString(part));
      }
      return buffy.toString();
   }
 
   public static void main(String args[])
   {
      int N = 0xffffffff;    // 255.255.255.255.
 
      try
      {
         N = Integer.parseInt(args[0]);
      }
      catch( java.lang.ArrayIndexOutOfBoundsException aiobe )
      {
      }
      catch( java.lang.NumberFormatException nfe )
      {
         System.out.println( "Syntax: " + "\n"
                             "   java IpFormatter [N]" + "\n"
                             "Where N is an integer value." );
      }   
 
      System.out.println( N + " -> " + getIpFormat(N) );
   }
}