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1
7 package org.jfox.petstore.action;
8
9 import javax.ejb.EJB  ;
10
11 import org.jfox.petstore.bo.ItemBO;
12 import org.jfox.petstore.domain.Cart;
13 import org.jfox.petstore.domain.CartItem;
14 import org.jfox.petstore.entity.Item;
15 import org.jfox.framework.annotation.Service;
16 import org.jfox.mvc.ActionSupport;
17 import org.jfox.mvc.Invocation;
18 import org.jfox.mvc.InvocationContext;
19 import org.jfox.mvc.PageContext;
20 import org.jfox.mvc.SessionContext;
21 import org.jfox.mvc.annotation.ActionMethod;
22
23
26 @Service(id = "cart")
27 public class CartAction extends ActionSupport {
28
29 public static String CART_SESSION_KEY = "__CART__";
30
31 @EJB
32 ItemBO itemBO;
33
34 @ActionMethod(successView = "Cart.vhtml")
35 public void doGetView(InvocationContext invocationContext) throws Exception {
36 SessionContext sessionContext = invocationContext.getSessionContext();
37 Cart cart = (Cart)sessionContext.getAttribute(CART_SESSION_KEY);
38 if (cart == null) {
39 cart = new Cart();
40 sessionContext.setAttribute(CART_SESSION_KEY, cart);
41 }
42
43 PageContext pageContext = invocationContext.getPageContext();
44 pageContext.setAttribute("cart", cart);
45 }
46
47 @ActionMethod(successView = "Cart.vhtml", invocationClass = CartInvocation.class)
48 public void doGetAddItem(InvocationContext invocationContext) throws Exception {
49 CartInvocation invocation = (CartInvocation)invocationContext.getInvocation();
50
51 SessionContext sessionContext = invocationContext.getSessionContext();
52 Cart cart = (Cart)sessionContext.getAttribute(CART_SESSION_KEY);
53 if (cart == null) {
54 cart = new Cart();
55 sessionContext.setAttribute(CART_SESSION_KEY, cart);
56 }
57 if (!cart.containsItemId(invocation.getWorkingItemId())) {
58 Item item = itemBO.getItem(invocation.getWorkingItemId());
59 cart.addItem(item, itemBO.isItemInStock(invocation.getWorkingItemId()));
60 }
61 else {
62 cart.incrementQuantityByItemId(invocation.getWorkingItemId());
63 }
64
65 PageContext pageContext = invocationContext.getPageContext();
66 pageContext.setAttribute("cart", cart);
67 }
68
69 @ActionMethod(successView = "Cart.vhtml", invocationClass = CartInvocation.class)
70 public void doGetRemoveItem(InvocationContext invocationContext) throws Exception {
71 CartInvocation invocation = (CartInvocation)invocationContext.getInvocation();
72 SessionContext sessionContext = invocationContext.getSessionContext();
73 Cart cart = (Cart)sessionContext.getAttribute(CART_SESSION_KEY);
74 if (cart == null) {
75 cart = new Cart();
76 sessionContext.setAttribute(CART_SESSION_KEY, cart);
77 }
78 if (cart.containsItemId(invocation.getWorkingItemId())) {
79 cart.removeItemById(invocation.getWorkingItemId());
80 }
81
82 PageContext pageContext = invocationContext.getPageContext();
83 pageContext.setAttribute("cart", cart);
84
85 }
86
87 @ActionMethod(successView = "Cart.vhtml", invocationClass = Invocation.class)
88 public void doPostUpdate(InvocationContext invocationContext) throws Exception {
89 Invocation invocation = invocationContext.getInvocation();
90 SessionContext sessionContext = invocationContext.getSessionContext();
91 Cart cart = (Cart)sessionContext.getAttribute(CART_SESSION_KEY);
92 if (cart == null) {
93 cart = new Cart();
94 sessionContext.setAttribute(CART_SESSION_KEY, cart);
95 }
96 for (String key : invocation.attributeKeys()) {
97 CartItem cartItem = cart.getCartItem(key);
98 if (cartItem != null) {
99 try {
100 int quantity = Integer.parseInt((String )invocation.getAttribute(key));
101 cartItem.setQuantity(quantity);
102 }
103 catch (NumberFormatException e) {
104 e.printStackTrace();
105 }
106 }
107 }
108
109 PageContext pageContext = invocationContext.getPageContext();
110 pageContext.setAttribute("cart", cart);
111
112 }
113
114 @ActionMethod(successView = "Checkout.vhtml")
115 public void doGetCheckout(InvocationContext invocationContext) throws Exception {
116 SessionContext sessionContext = invocationContext.getSessionContext();
117 Cart cart = (Cart)sessionContext.getAttribute(CART_SESSION_KEY);
118 PageContext pageContext = invocationContext.getPageContext();
119 pageContext.setAttribute("cart", cart);
120 }
121
122 public static class CartInvocation extends Invocation {
123 private String workingItemId;
124
125 public String getWorkingItemId() {
126 return workingItemId;
127 }
128
129 public void setWorkingItemId(String workingItemId) {
130 this.workingItemId = workingItemId;
131 }
132 }
133
134 public static void main(String [] args) {
135
136 }
137 }
138 |
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