Method: static {...}

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: }