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.condition;
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55 |
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56 | import java.text.*;
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57 | import java.util.*;
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58 | import org.apache.tools.ant.BuildException;
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59 | import org.apache.tools.ant.PropertyHelper;
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60 |
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61 | import org.apache.tools.ant.taskdefs.condition.*;
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62 |
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63 | /**
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64 | * Condition that validates if one datetime is before another datetime.
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65 | *
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66 | * @author Dale Anson
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67 | * @version $Revision: 1.1 $
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68 | */
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69 | public class DateTimeBefore extends IsTrue implements Condition {
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70 |
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71 | private String date1, date2;
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72 |
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73 | private String format = null;
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74 | private boolean lenient = true;
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75 |
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76 |
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77 | /**
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78 | * Sets the first date/timestamp, required.
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79 | *
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80 | * @param date a string representing a date or time.
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81 | */
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82 | public void setDatetime1(String date) {
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83 | if (date == null)
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84 | return;
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85 | if (date1 == null)
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86 | date1 = date;
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87 | }
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88 |
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89 | /**
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90 | * Sets the other date/time stamp, required.
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91 | *
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92 | * @param date a string representing a date or time.
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93 | */
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94 | public void setDatetime2(String date) {
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95 | if (date == null)
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96 | return;
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97 | if (date2 == null)
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98 | date2 = date;
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99 | }
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100 |
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101 |
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102 | /**
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103 | * Sets the format of the datetimes, this is a required attribute. See
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104 | * java.text.SimpleDateFormat for the format.
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105 | *
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106 | * @param format The new format value
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107 | */
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108 | public void setFormat(String format) {
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109 | this.format = format;
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110 | }
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111 |
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112 |
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113 | /**
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114 | * Sets whether the datetime parser should use lenient parsing. This is an
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115 | * optional setting, default is true, use lenient parsing.
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116 | *
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117 | * @param b The new lenient value
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118 | */
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119 | public void setLenient(boolean b) {
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120 | lenient = b;
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121 | }
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122 |
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123 |
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124 | /**
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125 | * @return true if datetime1 is before datetime2.
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126 | * @exception BuildException if the attributes are not set correctly
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127 | */
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128 | public boolean eval() throws BuildException {
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129 | try {
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130 | Date d1;
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131 | Date d2;
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132 | if (format == null)
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133 | throw new BuildException("format is required");
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134 |
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135 | SimpleDateFormat df = new SimpleDateFormat(format);
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136 | df.setLenient(lenient);
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137 |
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138 | if (date1 != null && date2 != null) {
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139 | // handle date difference
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140 | d1 = df.parse(date1);
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141 | d2 = df.parse(date2);
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142 | }
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143 | else
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144 | throw new BuildException("Both datetime1 and datetime2 must be set.");
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145 |
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146 | Calendar cal1 = Calendar.getInstance();
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147 | Calendar cal2 = Calendar.getInstance();
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148 | cal1.setTime(d1);
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149 | cal2.setTime(d2);
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150 |
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151 | return cal1.before(cal2);
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152 | }
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153 | catch (Exception e) {
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154 | throw new BuildException(e.getMessage());
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155 | }
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156 | }
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157 | }
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158 |
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