| 1 | /*
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| 2 | * The Apache Software License, Version 1.1
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| 3 | *
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| 4 | * Copyright (c) 2001-2002 The Apache Software Foundation. All rights
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| 5 | * reserved.
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| 6 | *
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| 7 | * Redistribution and use in source and binary forms, with or without
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| 8 | * modification, are permitted provided that the following conditions
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| 9 | * are met:
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| 10 | *
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | *
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| 14 | * 2. Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in
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| 16 | * the documentation and/or other materials provided with the
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| 17 | * distribution.
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| 18 | *
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| 19 | * 3. The end-user documentation included with the redistribution, if
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| 20 | * any, must include the following acknowlegement:
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| 21 | * "This product includes software developed by the
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| 22 | * Apache Software Foundation (http://www.apache.org/)."
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| 23 | * Alternately, this acknowlegement may appear in the software itself,
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| 24 | * if and wherever such third-party acknowlegements normally appear.
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| 25 | *
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| 26 | * 4. The names "The Jakarta Project", "Ant", and "Apache Software
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| 27 | * Foundation" must not be used to endorse or promote products derived
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| 28 | * from this software without prior written permission. For written
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| 29 | * permission, please contact [email protected].
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| 30 | *
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| 31 | * 5. Products derived from this software may not be called "Apache"
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| 32 | * nor may "Apache" appear in their names without prior written
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| 33 | * permission of the Apache Group.
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| 34 | *
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| 35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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| 36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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| 39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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| 40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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| 41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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| 42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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| 43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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| 45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 46 | * SUCH DAMAGE.
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| 47 | * ====================================================================
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| 48 | *
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| 49 | * This software consists of voluntary contributions made by many
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| 50 | * individuals on behalf of the Apache Software Foundation. For more
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| 51 | * information on the Apache Software Foundation, please see
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| 52 | * <http://www.apache.org/>.
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| 53 | */
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| 54 | package ise.antelope.tasks;
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| 55 |
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| 56 | import java.util.Vector;
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| 57 | import java.util.Enumeration;
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| 58 |
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| 59 | import org.apache.tools.ant.Task;
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| 60 | import org.apache.tools.ant.TaskContainer;
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| 61 | import org.apache.tools.ant.BuildException;
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| 62 |
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| 63 |
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| 64 | /**
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| 65 | * This task is intended for nesting into the If task. This represents the 'else'
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| 66 | * clause in an if/else construct.
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| 67 | *
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| 68 | * @author Dale Anson, [email protected]
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| 69 | * @since Ant 1.5
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| 70 | */
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| 71 | public class ElseTask extends Task implements TaskContainer, Breakable {
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| 72 |
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| 73 | private Vector tasks = new Vector();
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| 74 | private boolean doBreak = false;
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| 75 |
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| 76 | /**
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| 77 | * Add a task to execute.
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| 78 | * @param task a task to execute.
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| 79 | */
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| 80 | public void addTask( Task task ) {
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| 81 | tasks.addElement( task );
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| 82 | }
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| 83 |
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| 84 | /**
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| 85 | * Required by Breakable interface.
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| 86 | */
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| 87 | public void setBreak( boolean b ) {
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| 88 | doBreak = b;
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| 89 | }
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| 90 |
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| 91 | /**
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| 92 | * Required by Breakable interface.
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| 93 | */
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| 94 | public void addBreak( Break b ) {
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| 95 | // intentional no-op
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| 96 | }
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| 97 |
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| 98 | /**
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| 99 | * Required by Breakable interface.
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| 100 | */
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| 101 | public boolean doBreak() {
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| 102 | return doBreak;
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| 103 | }
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| 104 |
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| 105 | public void execute() throws BuildException {
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| 106 | // execute all nested tasks
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| 107 | for ( Enumeration e = tasks.elements(); e.hasMoreElements(); ) {
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| 108 | Task task = ( Task ) e.nextElement();
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| 109 | if ( task instanceof Breakable ) {
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| 110 | task.perform();
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| 111 | if ( ( ( Breakable ) task ).doBreak() ) {
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| 112 | setBreak( true );
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| 113 | return ;
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| 114 | }
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| 115 | }
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| 116 | else {
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| 117 | task.perform();
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| 118 | }
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| 119 | }
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| 120 | }
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| 121 | }
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