private void getFirstDate()
  {
    int dayOfWeek;
    dayOfWeek = calendar.get( Calendar.DAY_OF_WEEK );

    switch ( dayOfWeek )
    {
      case 1:
      case 2:
      case 3:
      case 4:
        calendar.add( Calendar.DAY_OF_WEEK, 2 );
        break;
      case 5:
      case 6:
        calendar.add( Calendar.DAY_OF_WEEK, 4 );
        break;
      case 7:
        calendar.add( Calendar.DAY_OF_WEEK, 3 );
        break;
    }
    while ( !isUnitOpen() )
      calendar.add( Calendar.DAY_OF_WEEK, 1 );

    availables[ 0 ] = DATE_OUTPUT.format( calendar.getTime() );
  }