2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 package com.liferay.ext.portal.kernel.util;
25 import java.io.Serializable;
27 import java.util.Comparator;
29 import com.liferay.portal.kernel.util.OrderByComparator;
30 import com.liferay.portal.kernel.util.StringPool;
31 import com.liferay.portal.kernel.util.StringUtil;
33 public class ExtOrderByComparator implements Comparator<Object>, Serializable {
38 private static final long serialVersionUID = 1L;
40 public ExtOrderByComparator(OrderByComparator odb) {
44 public int compare(Object obj1, Object obj2) {
45 return _odb.compare(obj1, obj2);
48 public String getOrderBy() {
52 public String[] getOrderByFields() {
53 String orderBy = getOrderBy();
55 if (orderBy == null) {
59 String[] parts = StringUtil.split(orderBy);
61 String[] fields = new String[parts.length];
63 for (int i = 0; i < parts.length; i++) {
64 String part = parts[i];
66 int x = part.indexOf(StringPool.PERIOD);
67 int y = part.indexOf(StringPool.SPACE, x);
73 fields[i] = part.substring(x + 1, y);
79 public boolean isAscending() {
80 String orderBy = getOrderBy();
82 if ((orderBy == null) || orderBy.toUpperCase().endsWith(" DESC")) {
90 public String toString() {
94 public OrderByComparator getOrderByComparator() {
98 private OrderByComparator _odb;