1 //
2 // ========================================================================
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.start;
20
21 import java.io.File;
22 import java.text.CollationKey;
23 import java.text.Collator;
24 import java.util.Comparator;
25
26 /**
27 * Natural Language Sorting
28 */
29 public class NaturalSort
30 {
31 public static class Files implements Comparator<File>
32 {
33 private final Collator collator = Collator.getInstance();
34
35 @Override
36 public int compare(File o1, File o2)
37 {
38 CollationKey key1 = collator.getCollationKey(o1.getAbsolutePath());
39 CollationKey key2 = collator.getCollationKey(o2.getAbsolutePath());
40 return key1.compareTo(key2);
41 }
42 }
43
44 public static class Strings implements Comparator<String>
45 {
46 private final Collator collator = Collator.getInstance();
47
48 @Override
49 public int compare(String o1, String o2)
50 {
51 CollationKey key1 = collator.getCollationKey(o1);
52 CollationKey key2 = collator.getCollationKey(o2);
53 return key1.compareTo(key2);
54 }
55 }
56 }