package com.tutego.insel.solutions.thread;
public class Sleep extends Thread
{
  public static void main( String args[] ) throws Exception
  {
    if ( args.length == 0 )
    {
      System.err.println( "Hui, da fehlt aber was!" );
      return;
    }
    
    int time = 0;
    
    try {
      time = Integer.parseInt( args[0] );
    }
    catch ( NumberFormatException e )
    {
      System.err.println( "Zahl fehlerhaft!" );
      return;
    }
    
    time *= 1000;
    
    if ( args.length == 2 )
    {
      switch ( args[1].toLowerCase().charAt(0) )
      {
        case 's':
          break;
        case 'm':
          time *= 60;
          break;
        case 'h':
          time *= 60 * 60;
          break;
        case 'd':
          time *= 60 * 60 * 24;
          break;
      }
    }
    
    System.out.println( "Schlafe " + time + " Millisekunden" );
    
    Thread.sleep( time );
  }
}