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 java.io.Serializable;
32 import it.tidalwave.util.As;
33 import it.tidalwave.role.ui.Displayable;
34 import lombok.AccessLevel;
35 import lombok.NoArgsConstructor;
36 import static it.tidalwave.role.ui.Displayable._Displayable_;
37
38 /***************************************************************************************************************************************************************
39 *
40 * A {@link Comparator} for classes implementing the {@link As} interface containing a {@link Displayable} role.
41 *
42 * @author Fabrizio Giudici
43 * @it.tidalwave.javadoc.draft Will be moved to a different package
44 *
45 **************************************************************************************************************************************************************/
46 @NoArgsConstructor(access = AccessLevel.PRIVATE)
47 public final class AsDisplayableComparator implements Comparator<As>, Serializable
48 {
49 private static final long serialVersionUID = 7452490266897348L;
50
51 private static final AsDisplayableComparator INSTANCE = new AsDisplayableComparator();
52
53 @Nonnull
54 public static AsDisplayableComparator getInstance()
55 {
56 return INSTANCE;
57 }
58
59 @Override
60 public int compare (@Nonnull final As o1, @Nonnull final As o2)
61 {
62 return Collator.getInstance().compare(o1.as(_Displayable_).getDisplayName(), o2.as(_Displayable_).getDisplayName());
63 }
64 }