1
19
20 package com.liferay.portlet.shopping.util.comparator;
21
22 import com.liferay.portal.kernel.util.OrderByComparator;
23 import com.liferay.portlet.shopping.model.ShoppingItem;
24
25
31 public class ItemPriceComparator extends OrderByComparator {
32
33 public static String ORDER_BY_ASC = "categoryId ASC, price ASC, name ASC";
34
35 public static String ORDER_BY_DESC =
36 "categoryId DESC, price DESC, name DESC";
37
38 public ItemPriceComparator() {
39 this(false);
40 }
41
42 public ItemPriceComparator(boolean asc) {
43 _asc = asc;
44 }
45
46 public int compare(Object obj1, Object obj2) {
47 ShoppingItem item1 = (ShoppingItem)obj1;
48 ShoppingItem item2 = (ShoppingItem)obj2;
49
50 Long categoryId1 = new Long(item1.getCategoryId());
51 Long categoryId2 = new Long(item2.getCategoryId());
52
53 int value = categoryId1.compareTo(categoryId2);
54
55 if (value == 0) {
56 double price1 = (1 - item1.getDiscount()) * item1.getPrice();
57 double price2 = (1 - item2.getDiscount()) * item2.getPrice();
58
59 if (price1 < price2) {
60 value = -1;
61 }
62 else if (price1 > price2) {
63 value = 1;
64 }
65 }
66
67 if (value == 0) {
68 value = item1.getName().toLowerCase().compareTo(
69 item2.getName().toLowerCase());
70 }
71
72 if (_asc) {
73 return value;
74 }
75 else {
76 return -value;
77 }
78 }
79
80 public String getOrderBy() {
81 if (_asc) {
82 return ORDER_BY_ASC;
83 }
84 else {
85 return ORDER_BY_DESC;
86 }
87 }
88
89 private boolean _asc;
90
91 }