1 package org.codehaus.mojo.javancss;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import java.util.Comparator;
23
24 import org.dom4j.Node;
25
26 /**
27 * Comparator for numeric xml node tag.
28 *
29 * @author <a href="jeanlaurentATgmail.com">Jean-Laurent de Morlhon</a>
30 * @version $Id$
31 */
32 public class NumericNodeComparator
33 implements Comparator<Node>
34 {
35 /**
36 * the tag property used by this comparator
37 */
38 private String tagProperty;
39
40 /**
41 * The numeric node tag property to used by this comparator.
42 *
43 * @param property the tag property used by this comparator.
44 */
45 public NumericNodeComparator( String property )
46 {
47 this.tagProperty = property;
48 }
49
50 /**
51 * {@inheritDoc}
52 */
53 public int compare( Node node1, Node node2 )
54 {
55 return node2.numberValueOf( tagProperty ).intValue() - node1.numberValueOf( tagProperty ).intValue();
56 }
57
58 }