public String statement()  {
    double totalAmount = 0;
    int frequentRenterPoints = 0;
    Enumeration rentals = this.rentals.elements();
    String result = "Rental Record for "+getName()+"\n";
    while( rentals.hasMoreElements()) {
      double thisAmount = 0;
      Rental each = ( Rental) rentals.nextElement();

      thisAmount = amountFor( each);

      // add frequent renter points
      frequentRenterPoints++;

      // add bonus for a two day new release rental
      if( each.getMovie().getPriceCode()==Movie.NEW_RELEASE &&
          each.getDaysRented()>1) frequentRenterPoints++;

      // show figures for this rental
      result += "\t"+each.getMovie().getTitle()+"\t"+
                String.valueOf( thisAmount)+"\n";
      totalAmount += thisAmount;
    }

    // add footer lines
    result += "Amount owned is "+String.valueOf( totalAmount)+"\n";
    result += "You earned "+String.valueOf( frequentRenterPoints)+
              " frequent renter points";

    return result;
  }

  private int amountFor( Rental each) {
    int thisAmount = 0;
    switch() {
      case Movie.REGULAR:
        thisAmount += 2;
        if( each.getDaysRented()>2)
          thisAmount += ( each.getDaysRented()-2)*1.5;
        break;

      case Movie.NEW_RELEASE:
        thisAmount += each.getDaysRented()*3;
        break;

      case Movie.CHILDRENS:
        thisAmount += 1.5;
        if( each.getDaysRented()>3)
          thisAmount += ( each.getDaysRented()-3)*1.5;
        break;
    }
    return thisAmount;
  }

В начало | предыдущая | следующая