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org.perfectjpattern.core.behavioral.chainofresponsibility.TestExample.testChainOfResponsibility
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1 PASS | |
1 | //---------------------------------------------------------------------- | |
2 | // | |
3 | // PerfectJPattern: "Design patterns are good but components are better!" | |
4 | // Example.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.chainofresponsibility; | |
22 | ||
23 | import java.util.*; | |
24 | ||
25 | import org.perfectjpattern.core.api.behavioral.chainofresponsibility.*; | |
26 | ||
27 | /** | |
28 | * Startup Main for the Chain Of Responsibility Pattern Example code | |
29 | * | |
30 | * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a> | |
31 | * @version $Revision: 1.0 $Date: Apr 5, 2008 10:11:17 PM $ | |
32 | */ | |
33 | // CHECKSTYLE:OFF | |
34 | public final | |
35 | class Example | |
36 | // CHECKSTYLE:ON | |
37 | { | |
38 | //------------------------------------------------------------------------ | |
39 | // public | |
40 | //------------------------------------------------------------------------ | |
41 | 1 |
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42 | main(String[] anArguments) | |
43 | { | |
44 | //--------------------------------------------------------------- | |
45 | // Create all components of the Chain of Responsibility | |
46 | //--------------------------------------------------------------- | |
47 | 1 | Button myOkButton = new Button("OK"); |
48 | 1 | Button myPrintButton = new Button("Print"); |
49 | 1 | Dialog mySaveDialog = new Dialog("Save"); |
50 | 1 | Dialog myPrintDialog = new Dialog("Print"); |
51 | 1 | Application myApplication = new Application(); |
52 | ||
53 | //--------------------------------------------------------------- | |
54 | // Build "Show Help" Chain of Responsibility | |
55 | //--------------------------------------------------------------- | |
56 | 1 | myOkButton.getHelpHandler().setSuccessor(myPrintDialog. |
57 | getHelpHandler()); | |
58 | 1 | myPrintButton.getHelpHandler().setSuccessor(myPrintDialog. |
59 | getHelpHandler()); | |
60 | 1 | myPrintDialog.getHelpHandler().setSuccessor(myApplication. |
61 | getHelpHandler()); | |
62 | 1 | mySaveDialog.getHelpHandler().setSuccessor(myApplication. |
63 | getHelpHandler()); | |
64 | ||
65 | //--------------------------------------------------------------- | |
66 | // Execute "Show Help" Chain of Responsibility from OK Button | |
67 | //--------------------------------------------------------------- | |
68 | 1 | myOkButton.getHelpHandler().start(); |
69 | ||
70 | //--------------------------------------------------------------- | |
71 | // Execute "Show Help" Chain of Responsibility from Save Dialog | |
72 | //--------------------------------------------------------------- | |
73 | 1 | mySaveDialog.getHelpHandler().start(); |
74 | ||
75 | //--------------------------------------------------------------- | |
76 | // Build "Print" Chain of Responsibility with a strategy | |
77 | // AllHandleStrategy different than the default GoF Chain | |
78 | // OnlyOneHandleStrategy | |
79 | //--------------------------------------------------------------- | |
80 | 1 | myOkButton.getPrintHandler().setSuccessor(myPrintDialog. |
81 | getPrintHandler()); | |
82 | 1 | myPrintButton.getPrintHandler().setSuccessor(myPrintDialog. |
83 | getPrintHandler()); | |
84 | 1 | myPrintDialog.getPrintHandler().setSuccessor(myApplication. |
85 | getPrintHandler()); | |
86 | 1 | mySaveDialog.getPrintHandler().setSuccessor(myApplication. |
87 | getPrintHandler()); | |
88 | ||
89 | //--------------------------------------------------------------- | |
90 | // for this use-case we switch to the default Strategy | |
91 | // AllHandleStrategy | |
92 | //--------------------------------------------------------------- | |
93 | 1 | List<IHandler<NullRequest>> myHandlers = new ArrayList<IHandler< |
94 | NullRequest>>(); | |
95 | 1 | myHandlers.add(myOkButton.getPrintHandler()); |
96 | 1 | myHandlers.add(myPrintButton.getPrintHandler()); |
97 | 1 | myHandlers.add(myPrintDialog.getPrintHandler()); |
98 | 1 | myHandlers.add(mySaveDialog.getPrintHandler()); |
99 | 1 | myHandlers.add(myApplication.getPrintHandler()); |
100 | ||
101 | 1 | for (IHandler<NullRequest> myHandler : myHandlers) |
102 | { | |
103 | 5 | myHandler.setChainStrategy(AllHandleStrategy.getInstance()); |
104 | } | |
105 | ||
106 | //--------------------------------------------------------------- | |
107 | // Execute the "Print" Chain of Responsibility from OK Button | |
108 | //--------------------------------------------------------------- | |
109 | 1 | myOkButton.getPrintHandler().start(); |
110 | ||
111 | //--------------------------------------------------------------- | |
112 | // Execute the "Print" Chain of Responsibility from Save Dialog | |
113 | //--------------------------------------------------------------- | |
114 | 1 | mySaveDialog.getPrintHandler().start(); |
115 | } | |
116 | } |
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