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 ItemSKUComparator extends OrderByComparator {
024
025 public static final String ORDER_BY_ASC =
026 "ShoppingItem.categoryId ASC, ShoppingItem.sku ASC";
027
028 public static final String ORDER_BY_DESC =
029 "ShoppingItem.categoryId DESC, ShoppingItem.sku DESC";
030
031 public static final String[] ORDER_BY_FIELDS = {"categoryId", "sku"};
032
033 public ItemSKUComparator() {
034 this(false);
035 }
036
037 public ItemSKUComparator(boolean ascending) {
038 _ascending = ascending;
039 }
040
041 @Override
042 public int compare(Object obj1, Object obj2) {
043 ShoppingItem item1 = (ShoppingItem)obj1;
044 ShoppingItem item2 = (ShoppingItem)obj2;
045
046 Long categoryId1 = new Long(item1.getCategoryId());
047 Long categoryId2 = new Long(item2.getCategoryId());
048
049 int value = categoryId1.compareTo(categoryId2);
050
051 if (value == 0) {
052 String sku1 = item1.getSku();
053 String sku2 = item2.getSku();
054
055 value = sku1.compareTo(sku2);
056 }
057
058 if (_ascending) {
059 return value;
060 }
061 else {
062 return -value;
063 }
064 }
065
066 @Override
067 public String getOrderBy() {
068 if (_ascending) {
069 return ORDER_BY_ASC;
070 }
071 else {
072 return ORDER_BY_DESC;
073 }
074 }
075
076 @Override
077 public String[] getOrderByFields() {
078 return ORDER_BY_FIELDS;
079 }
080
081 @Override
082 public boolean isAscending() {
083 return _ascending;
084 }
085
086 private boolean _ascending;
087
088 }