} else if (actionType.equals("cancel")) {            AdventureComponentManager acm =                         (AdventureComponentManager)session.getAttribute(AdventureKeys.COMPONENT_MANAGER);            Cart cart = acm.getCart(session);            cart.clear();            // remove these attributes used by the side bar            session.removeAttribute("theCategory");            session.removeAttribute("categoryId");        } else if (actionType.equals("update")) {            // not for beta        }        return null;     }        private void updateActivityHeadCounts(HttpServletRequest request) {         HttpSession session = request.getSession();        // look up the cart        AdventureComponentManager acm =                         (AdventureComponentManager)session.getAttribute(AdventureKeys.COMPONENT_MANAGER);        Cart cart = acm.getCart(session);        Map params = (Map)request.getParameterMap();        if (params.isEmpty()) return;        Collection keys = params.keySet();        if (keys == null) return;        Iterator it = keys.iterator();        while(it.hasNext() ) {            String key = (String)it.next();            if (key.startsWith("headcount_")) {                String id = key.substring("headcount_".length(), key.length());                String value = request.getParameter(key);                int qty = (new Integer(value)).intValue();                cart.setActivityHeadCount(id,qty);            }        }    }        private void purchaseActivities(HttpServletRequest request) {         HttpSession session = request.getSession();        // look up the cart        AdventureComponentManager acm =                         (AdventureComponentManager)session.getAttribute(AdventureKeys.COMPONENT_MANAGER);        Cart cart = acm.getCart(session);        Map params = (Map)request.getParameterMap();        if (params == null) return;        Collection keys = params.keySet();        if (keys == null) return;        Iterator it = keys.iterator();        while(it.hasNext() ) {            String key = (String)it.next();            if (key.startsWith("activity_")) {                String id = key.substring("activity_".length(), key.length());                String value = request.getParameter(key);                id = id.trim();                int qty = 0;                try {                    if (value != null) qty = (new Integer(value)).intValue();                } catch (NumberFormatException nex) {}                if (qty > 0) {                    cart.addActivity(id,qty);                } else {                    cart.setActivityHeadCount(id,0);                }            }        }    }        private void updatePackage(HttpServletRequest request) {         HttpSession session = request.getSession();        // look up the cart            AdventureComponentManager acm =                         (AdventureComponentManager)session.getAttribute(AdventureKeys.COMPONENT_MANAGER);            Cart cart = acm.getCart(session);            String adventureDaysString = request.getParameter("adventure_days");            if (adventureDaysString != null) {                int adventureDays = (new  Integer(adventureDaysString)).intValue();                cart.setAdventureDays(adventureDays);            }            String lodgingRoomCountString = request.getParameter("lodging_room_count");            if (lodgingRoomCountString != null) {                int lodingRoomCount = (new  Integer(lodgingRoomCountString)).intValue();                cart.setLodgingRoomCount(lodingRoomCount);            }            String headCountString = request.getParameter("head_count");            if (headCountString != null) {                int headCount = (new  Integer(headCountString)).intValue();                cart.setHeadCount(headCount);            }            // update the departureDate if specified            if (request.getParameter("start_month") != null) {                int startMonth = Integer.parseInt(request.getParameter("start_month"));                int startDay = Integer.parseInt(request.getParameter("start_day"));                int startYear = Integer.parseInt(request.getParameter("start_year"));                            Calendar c = Calendar.getInstance();                c.set(Calendar.MONTH, startMonth -1);                c.set(Calendar.YEAR, startYear);                c.set(Calendar.DAY_OF_MONTH, startDay);                cart.setDepartureDate(c);            }    }        private void getResultBean(HttpServletRequest request)             throws HTMLActionException {        double grandTotal = 0;        double cartTotal = 0;        double lodgingTotal = 0;        double activityTotal = 0;        double departureTotal = 0;        double returnTotal = 0;        double transportationTotal = 0;        int adventureDays =0;        int lodgingDays=0;        int headCount = 0;        int lodgingRoomCount = 1;                HttpSession session = request.getSession();        AdventureComponentManager acm =             (AdventureComponentManager)session.getAttribute(AdventureKeys.COMPONENT_MANAGER);        Cart cart = acm.getCart(session);        CatalogFacade facade = acm.getCatalogFacade(session);        try {            // locale will change after beta            Locale locale = new Locale("en","us");            //assume the the user uses the same hotel for every night of the adventure            lodgingDays = cart.getLodgingDays();            // this needs to be multiplied by the number of rooms             lodgingRoomCount = cart.getLodgingRoomCount();            com.sun.j2ee.blueprints.catalog.Lodging lodging = facade.getLodging(cart.getLodgingId(), locale);            lodgingTotal = (lodgingDays * lodging.getPrice() * lodgingRoomCount);            // add in the actvities            HashMap activities = cart.getActivities();            Iterator it = null;            if (activities != null) it = activities.keySet().iterator();            while ((it != null) && it.hasNext()) {                String itemId = (String)it.next();                Integer qty = (Integer)activities.get(itemId);                com.sun.j2ee.blueprints.catalog.Activity item = facade.getActivity(itemId, locale);                activityTotal += (qty.intValue() * item.getPrice());            }            headCount = cart.getHeadCount();            if (cart.getDepartureFlight() != null) {                com.sun.j2ee.blueprints.catalog.Transportation departureFlight =                    facade.getTransportation(cart.getDepartureFlight(), locale);                if (departureFlight != null) {                    departureTotal = (departureFlight.getPrice() * headCount);                }            }            if (cart.getReturnFlight() != null) {                com.sun.j2ee.blueprints.catalog.Transportation returnFlight =                    facade.getTransportation(cart.getReturnFlight(), locale);                if (returnFlight != null) {                    returnTotal =  (returnFlight.getPrice() * headCount);                }            }            transportationTotal = departureTotal + returnTotal;        } catch (Exception ex) {            throw new HTMLActionException("CartHTMLAction error: " + ex);                }        cartTotal = activityTotal + lodgingTotal + transportationTotal;        CartBean bean =             new CartBean(cartTotal,                                            lodgingTotal,                                            activityTotal,                                            transportationTotal,                                            lodgingDays,                                            adventureDays,                                            cart.getDepartureDate());        request.setAttribute(AdventureKeys.CART_BEAN, bean);    }}