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 | import java.util.Enumeration;
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56 |
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57 | import java.util.Vector;
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58 | import org.apache.tools.ant.BuildException;
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59 |
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60 | import org.apache.tools.ant.Task;
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61 | import org.apache.tools.ant.TaskContainer;
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62 |
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63 | /**
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64 | * This TaskContainer is intended to be nested into the Switch task.
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65 | *
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66 | * @author Dale Anson
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67 | * @version $Revision: 1.2 $
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68 | */
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69 | public class Case extends Task implements TaskContainer, Breakable {
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70 | private Vector tasks = new Vector();
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71 | private String value = null;
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72 | private boolean doBreak = false;
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73 | private Break _break = null;
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74 |
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75 | /**
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76 | * Set the value for this case. This value is used by the Switch task to
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77 | * decide if this task should execute.
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78 | *
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79 | * @param value the value.
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80 | */
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81 | public void setValue( String value ) {
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82 | this.value = value;
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83 | }
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84 |
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85 | /**
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86 | * @return the value for this case.
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87 | */
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88 | public String getValue() {
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89 | return value;
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90 | }
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91 |
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92 | /**
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93 | * Required for Breakable interface.
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94 | *
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95 | * @param b The new break value
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96 | * @see Breakable
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97 | */
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98 | public void setBreak( boolean b ) {
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99 | doBreak = b;
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100 | }
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101 |
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102 | /**
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103 | * Required for Breakable interface.
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104 | *
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105 | * @return Description of the Returned Value
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106 | * @see Breakable
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107 | */
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108 | public boolean doBreak() {
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109 | return doBreak;
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110 | }
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111 |
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112 | /**
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113 | * Required for Breakable interface.
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114 | *
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115 | * @param b The feature to be added to the Break attribute
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116 | * @see Breakable
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117 | */
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118 | public void addBreak( Break b ) {
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119 | // Ant 1.5.x -- intentional no-op, this is a task container, so can only add items
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120 | // add items via the addTask method.
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121 |
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122 | // added for Ant 1.6
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123 | addTask(b);
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124 | }
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125 |
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126 | /**
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127 | * Adds a feature to the Task attribute of the Case object
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128 | *
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129 | * @param task The feature to be added to the Task attribute
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130 | * @exception BuildException Description of Exception
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131 | */
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132 | public void addTask( Task task ) throws BuildException {
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133 | if ( task instanceof Break ) {
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134 | if ( _break == null )
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135 | _break = (Break)task;
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136 | else
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137 | throw new BuildException( "<case> can only have one <break>" );
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138 | }
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139 | tasks.addElement( task );
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140 | }
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141 |
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142 | /**
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143 | * Execute all nested tasks, checking for Breakables.
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144 | *
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145 | * @exception BuildException Description of Exception
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146 | */
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147 | public void execute() throws BuildException {
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148 | Enumeration en = tasks.elements();
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149 | while ( en.hasMoreElements() ) {
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150 | Task task = (Task)en.nextElement();
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151 | task.perform();
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152 | if ( task instanceof Breakable ) {
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153 | if ( ( (Breakable)task ).doBreak() ) {
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154 | setBreak( true );
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155 | return;
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156 | }
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157 | }
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158 | }
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159 | }
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160 | }
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161 |
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