001
014
015 package com.liferay.portlet.shopping.util.comparator;
016
017 import com.liferay.portal.kernel.util.OrderByComparator;
018 import com.liferay.portal.kernel.util.StringUtil;
019 import com.liferay.portlet.shopping.model.ShoppingItem;
020
021
024 public class ItemNameComparator extends OrderByComparator {
025
026 public static final String ORDER_BY_ASC =
027 "ShoppingItem.categoryId ASC, ShoppingItem.name ASC";
028
029 public static final String ORDER_BY_DESC =
030 "ShoppingItem.categoryId DESC, ShoppingItem.name DESC";
031
032 public static final String[] ORDER_BY_FIELDS = {"categoryId", "name"};
033
034 public ItemNameComparator() {
035 this(false);
036 }
037
038 public ItemNameComparator(boolean ascending) {
039 _ascending = ascending;
040 }
041
042 @Override
043 public int compare(Object obj1, Object obj2) {
044 ShoppingItem item1 = (ShoppingItem)obj1;
045 ShoppingItem item2 = (ShoppingItem)obj2;
046
047 Long categoryId1 = item1.getCategoryId();
048 Long categoryId2 = item2.getCategoryId();
049
050 int value = categoryId1.compareTo(categoryId2);
051
052 if (value == 0) {
053 String name1 = StringUtil.toLowerCase(item1.getName());
054 String name2 = StringUtil.toLowerCase(item2.getName());
055
056 value = name1.compareTo(name2);
057
058 if (value == 0) {
059 Long itemId1 = item1.getItemId();
060 Long itemId2 = item2.getItemId();
061
062 value = itemId1.compareTo(itemId2);
063 }
064 }
065
066 if (_ascending) {
067 return value;
068 }
069 else {
070 return -value;
071 }
072 }
073
074 @Override
075 public String getOrderBy() {
076 if (_ascending) {
077 return ORDER_BY_ASC;
078 }
079 else {
080 return ORDER_BY_DESC;
081 }
082 }
083
084 @Override
085 public String[] getOrderByFields() {
086 return ORDER_BY_FIELDS;
087 }
088
089 @Override
090 public boolean isAscending() {
091 return _ascending;
092 }
093
094 private boolean _ascending;
095
096 }