1
22
23 package com.liferay.portlet.shopping.util.comparator;
24
25 import com.liferay.portal.kernel.util.OrderByComparator;
26 import com.liferay.portlet.shopping.model.ShoppingItem;
27
28
34 public class ItemPriceComparator extends OrderByComparator {
35
36 public static String ORDER_BY_ASC = "categoryId ASC, price ASC, name ASC";
37
38 public static String ORDER_BY_DESC =
39 "categoryId DESC, price DESC, name DESC";
40
41 public ItemPriceComparator() {
42 this(false);
43 }
44
45 public ItemPriceComparator(boolean asc) {
46 _asc = asc;
47 }
48
49 public int compare(Object obj1, Object obj2) {
50 ShoppingItem item1 = (ShoppingItem)obj1;
51 ShoppingItem item2 = (ShoppingItem)obj2;
52
53 Long categoryId1 = new Long(item1.getCategoryId());
54 Long categoryId2 = new Long(item2.getCategoryId());
55
56 int value = categoryId1.compareTo(categoryId2);
57
58 if (value == 0) {
59 double price1 = (1 - item1.getDiscount()) * item1.getPrice();
60 double price2 = (1 - item2.getDiscount()) * item2.getPrice();
61
62 if (price1 < price2) {
63 value = -1;
64 }
65 else if (price1 > price2) {
66 value = 1;
67 }
68 }
69
70 if (value == 0) {
71 value = item1.getName().toLowerCase().compareTo(
72 item2.getName().toLowerCase());
73 }
74
75 if (_asc) {
76 return value;
77 }
78 else {
79 return -value;
80 }
81 }
82
83 public String getOrderBy() {
84 if (_asc) {
85 return ORDER_BY_ASC;
86 }
87 else {
88 return ORDER_BY_DESC;
89 }
90 }
91
92 private boolean _asc;
93
94 }