package com.sun.j2ee.blueprints.petstore.controller.web.actions;
import java.util.Iterator;
import java.util.Map;
import java.util.HashMap;
import java.util.Collection;
import java.util.Locale;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletResponse;
import com.sun.j2ee.blueprints.waf.event.EventResponse;
import com.sun.j2ee.blueprints.waf.event.Event;
import com.sun.j2ee.blueprints.waf.controller.web.action.HTMLActionSupport;
import com.sun.j2ee.blueprints.waf.controller.web.action.HTMLActionException;
import com.sun.j2ee.blueprints.petstore.util.PetstoreKeys;
import com.sun.j2ee.blueprints.petstore.controller.events.CartEvent;
import com.sun.j2ee.blueprints.cart.ejb.ShoppingCartLocal;
import com.sun.j2ee.blueprints.cart.model.CartItem;
public final class CartHTMLAction extends HTMLActionSupport {
public Event perform(HttpServletRequest request)
throws HTMLActionException {
String actionType= (String)request.getParameter("action");
HttpSession session = request.getSession();
CartEvent event = null;
if (actionType == null) return null;
if (actionType.equals("purchase")) {
String itemId = request.getParameter("itemId");
event = new CartEvent(CartEvent.ADD_ITEM, itemId);
}
else if (actionType.equals("remove")) {
String itemId = request.getParameter("itemId");
event = new CartEvent(CartEvent.DELETE_ITEM, itemId);
}
else if (actionType.equals("update")) {
Map quantities = new HashMap();
Map parameters = request.getParameterMap();
for (Iterator it = parameters.keySet().iterator();
it.hasNext(); ) {
String name = (String) it.next();
String value = ((String[]) parameters.get(name))[0];
final String ITEM_QTY = "itemQuantity_";
if (name.startsWith(ITEM_QTY)) {
String itemID = name.substring(ITEM_QTY.length());
Integer quantity = null;
try {
quantity = new Integer(value);
}
catch (NumberFormatException nfe) {
quantity = new Integer(0);
}
quantities.put(itemID, quantity);
}
}
event = CartEvent.createUpdateItemEvent(quantities);
}
return event;
}
public void doEnd(HttpServletRequest request, EventResponse eventResponse) {
}
}