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<ShoppingItem> {
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(ShoppingItem item1, ShoppingItem item2) {
044 Long categoryId1 = item1.getCategoryId();
045 Long categoryId2 = item2.getCategoryId();
046
047 int value = categoryId1.compareTo(categoryId2);
048
049 if (value == 0) {
050 String name1 = StringUtil.toLowerCase(item1.getName());
051 String name2 = StringUtil.toLowerCase(item2.getName());
052
053 value = name1.compareTo(name2);
054
055 if (value == 0) {
056 Long itemId1 = item1.getItemId();
057 Long itemId2 = item2.getItemId();
058
059 value = itemId1.compareTo(itemId2);
060 }
061 }
062
063 if (_ascending) {
064 return value;
065 }
066 else {
067 return -value;
068 }
069 }
070
071 @Override
072 public String getOrderBy() {
073 if (_ascending) {
074 return ORDER_BY_ASC;
075 }
076 else {
077 return ORDER_BY_DESC;
078 }
079 }
080
081 @Override
082 public String[] getOrderByFields() {
083 return ORDER_BY_FIELDS;
084 }
085
086 @Override
087 public boolean isAscending() {
088 return _ascending;
089 }
090
091 private final boolean _ascending;
092
093 }