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 = new Long(item1.getCategoryId());
048 Long categoryId2 = new Long(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
059 if (_ascending) {
060 return value;
061 }
062 else {
063 return -value;
064 }
065 }
066
067 @Override
068 public String getOrderBy() {
069 if (_ascending) {
070 return ORDER_BY_ASC;
071 }
072 else {
073 return ORDER_BY_DESC;
074 }
075 }
076
077 @Override
078 public String[] getOrderByFields() {
079 return ORDER_BY_FIELDS;
080 }
081
082 @Override
083 public boolean isAscending() {
084 return _ascending;
085 }
086
087 private boolean _ascending;
088
089 }