001
014
015 package com.liferay.portlet.shopping.util.comparator;
016
017 import com.liferay.portal.kernel.util.OrderByComparator;
018 import com.liferay.portlet.shopping.model.ShoppingItem;
019
020
023 public class ItemMinQuantityComparator extends OrderByComparator {
024
025 public static String ORDER_BY_ASC =
026 "categoryId ASC, minQuantity ASC, name ASC";
027
028 public static String ORDER_BY_DESC =
029 "categoryId DESC, minQuantity DESC, name DESC";
030
031 public static String[] ORDER_BY_FIELDS = {
032 "categoryId", "minQuantity", "name"
033 };
034
035 public ItemMinQuantityComparator() {
036 this(false);
037 }
038
039 public ItemMinQuantityComparator(boolean ascending) {
040 _ascending = ascending;
041 }
042
043 public int compare(Object obj1, Object obj2) {
044 ShoppingItem item1 = (ShoppingItem)obj1;
045 ShoppingItem item2 = (ShoppingItem)obj2;
046
047 Long categoryId1 = new Long(item1.getCategoryId());
048 Long categoryId2 = new Long(item2.getCategoryId());
049
050 int value = categoryId1.compareTo(categoryId2);
051
052 if (value == 0) {
053 if (item1.getMinQuantity() < item2.getMinQuantity()) {
054 value = -1;
055 }
056 else if (item1.getMinQuantity() > item2.getMinQuantity()) {
057 value = 1;
058 }
059 }
060
061 if (value == 0) {
062 value = item1.getName().toLowerCase().compareTo(
063 item2.getName().toLowerCase());
064 }
065
066 if (_ascending) {
067 return value;
068 }
069 else {
070 return -value;
071 }
072 }
073
074 public String getOrderBy() {
075 if (_ascending) {
076 return ORDER_BY_ASC;
077 }
078 else {
079 return ORDER_BY_DESC;
080 }
081 }
082
083 public String[] getOrderByFields() {
084 return ORDER_BY_FIELDS;
085 }
086
087 public boolean isAscending() {
088 return _ascending;
089 }
090
091 private boolean _ascending;
092
093 }