1 /*
2 * *************************************************************************************************************************************************************
3 *
4 * TheseFoolishThings: Miscellaneous utilities
5 * http://tidalwave.it/projects/thesefoolishthings
6 *
7 * Copyright (C) 2009 - 2024 by Tidalwave s.a.s. (http://tidalwave.it)
8 *
9 * *************************************************************************************************************************************************************
10 *
11 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
12 * You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
17 * CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.
18 *
19 * *************************************************************************************************************************************************************
20 *
21 * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
22 * git clone https://github.com/tidalwave-it/thesefoolishthings-src
23 *
24 * *************************************************************************************************************************************************************
25 */
26 package it.tidalwave.role.ui.impl;
27
28 import javax.annotation.Nonnull;
29 import java.text.Collator;
30 import java.util.Comparator;
31 import it.tidalwave.role.ui.Displayable;
32
33 /***************************************************************************************************************************************************************
34 *
35 * A {@link Comparator} for classes implementing the {@link Displayable} role.
36 * FIXME: don't use it, it requires the objects to statically implement Displayable
37 *
38 * @author Fabrizio Giudici
39 * @it.tidalwave.javadoc.draft Will be removed (FIXME)
40 *
41 **************************************************************************************************************************************************************/
42 public final class DisplayableComparator implements Comparator<Displayable>
43 {
44 private static final DisplayableComparator INSTANCE = new DisplayableComparator();
45
46 @Nonnull
47 public static DisplayableComparator getInstance()
48 {
49 return INSTANCE;
50 }
51
52 @Override
53 public int compare (@Nonnull final Displayable d1, @Nonnull final Displayable d2)
54 {
55 return Collator.getInstance().compare(d1.getDisplayName(), d2.getDisplayName());
56 }
57 }