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org.perfectjpattern.core.behavioral.observer.TestExample.testObserver
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1 PASS | |
1 | //---------------------------------------------------------------------- | |
2 | // | |
3 | // PerfectJPattern: "Design patterns are good but components are better!" | |
4 | // AntiqueClock.java Copyright (c) 2009 Giovanni Azua Garcia | |
5 | // bravegag@hotmail.com | |
6 | // | |
7 | // This program is free software; you can redistribute it and/or | |
8 | // modify it under the terms of the GNU General Public License | |
9 | // as published by the Free Software Foundation; either version 3 | |
10 | // of the License, or (at your option) any later version. | |
11 | // | |
12 | // This program is distributed in the hope that it will be useful, | |
13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | // GNU General Public License for more details. | |
16 | // | |
17 | // You should have received a copy of the GNU General Public License | |
18 | // along with this program; if not, see <http://www.gnu.org/licenses/>. | |
19 | // | |
20 | //---------------------------------------------------------------------- | |
21 | package org.perfectjpattern.core.behavioral.observer; | |
22 | ||
23 | import java.text.*; | |
24 | import java.util.*; | |
25 | ||
26 | import org.perfectjpattern.core.api.behavioral.observer.*; | |
27 | import org.slf4j.*; | |
28 | ||
29 | /** | |
30 | * Antique Clock is introduced as example use-case where you want to target | |
31 | * as Observer a third-party library for which there is no access to its | |
32 | * source code and therefore it can't be modified to implement | |
33 | * {@link IObserver} i.e. not possible to abstract couple it to | |
34 | * PerfectJPattern's | |
35 | * | |
36 | * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a> | |
37 | * @version $Revision: 1.0 $Date: Jun 16, 2008 10:36:05 PM $ | |
38 | */ | |
39 | public final | |
40 | class AntiqueClock | |
41 | { | |
42 | //------------------------------------------------------------------------ | |
43 | // public | |
44 | //------------------------------------------------------------------------ | |
45 | 2 |
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46 | displayTime(Date aDate) | |
47 | { | |
48 | 2 | SimpleDateFormat myFormat = new SimpleDateFormat("dd.MM.yyyy HH:mm:ss"); |
49 | ||
50 | 2 | theLogger.debug("Antique clock works too! " + myFormat.format(aDate)); |
51 | } | |
52 | ||
53 | //------------------------------------------------------------------------ | |
54 | // protected | |
55 | //------------------------------------------------------------------------ | |
56 | 1 |
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57 | setLogger(Logger aLogger) | |
58 | { | |
59 | 1 | theLogger = aLogger; |
60 | } | |
61 | ||
62 | //------------------------------------------------------------------------ | |
63 | // private | |
64 | //------------------------------------------------------------------------ | |
65 | 0 |
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66 | AntiqueClock() | |
67 | { | |
68 | // empty | |
69 | } | |
70 | ||
71 | //------------------------------------------------------------------------ | |
72 | // members | |
73 | //------------------------------------------------------------------------ | |
74 | /** | |
75 | * Provides logging facilities for this class | |
76 | */ | |
77 | private static Logger theLogger = LoggerFactory.getLogger(AntiqueClock. | |
78 | class); | |
79 | } |
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