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org.perfectjpattern.core.behavioral.chainofresponsibility.TestExample.testChainOfResponsibility
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 |
public static void |
| 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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