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org.apache.turbine.services.intake.model.DoubleField |
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1 | package org.apache.turbine.services.intake.model; |
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2 | ||
3 | /* |
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4 | * Copyright 2001-2005 The Apache Software Foundation. |
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5 | * |
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6 | * Licensed under the Apache License, Version 2.0 (the "License") |
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7 | * you may not use this file except in compliance with the License. |
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8 | * You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | ||
19 | import org.apache.commons.lang.StringUtils; |
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20 | ||
21 | import org.apache.turbine.services.intake.IntakeException; |
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22 | import org.apache.turbine.services.intake.validator.DoubleValidator; |
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23 | import org.apache.turbine.services.intake.xmlmodel.XmlField; |
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24 | ||
25 | /** |
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26 | * Creates Double Field objects. |
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27 | * |
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28 | * @author <a href="mailto:quintonm@bellsouth.net">Quinton McCombs</a> |
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29 | * @version $Id: DoubleField.java 264148 2005-08-29 14:21:04Z henning $ |
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30 | */ |
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31 | public class DoubleField |
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32 | extends Field |
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33 | { |
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34 | /** |
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35 | * Constructor. |
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36 | * |
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37 | * @param field xml field definition object |
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38 | * @param group xml group definition object |
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39 | * @throws IntakeException thrown by superclass |
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40 | */ |
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41 | public DoubleField(XmlField field, Group group) |
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42 | throws IntakeException |
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43 | { |
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44 | 0 | super(field, group); |
45 | 0 | } |
46 | ||
47 | /** |
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48 | * Sets the default value for a Double Field |
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49 | * |
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50 | * @param prop Parameter for the default values |
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51 | */ |
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52 | public void setDefaultValue(String prop) |
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53 | { |
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54 | 0 | defaultValue = null; |
55 | ||
56 | 0 | if (prop == null) |
57 | { |
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58 | 0 | return; |
59 | } |
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60 | ||
61 | 0 | defaultValue = new Double(prop); |
62 | 0 | } |
63 | ||
64 | /** |
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65 | * Set the empty Value. This value is used if Intake |
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66 | * maps a field to a parameter returned by the user and |
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67 | * the corresponding field is either empty (empty string) |
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68 | * or non-existant. |
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69 | * |
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70 | * @param prop The value to use if the field is empty. |
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71 | */ |
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72 | public void setEmptyValue(String prop) |
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73 | { |
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74 | 0 | emptyValue = null; |
75 | ||
76 | 0 | if (prop == null) |
77 | { |
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78 | 0 | return; |
79 | } |
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80 | ||
81 | 0 | emptyValue = new Double(prop); |
82 | 0 | } |
83 | ||
84 | /** |
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85 | * Provides access to emptyValue such that the value returned will be |
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86 | * acceptable as an argument parameter to Method.invoke. Subclasses |
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87 | * that deal with primitive types should ensure that they return an |
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88 | * appropriate value wrapped in the object wrapper class for the |
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89 | * primitive type. |
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90 | * |
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91 | * @return the value to use when the field is empty or an Object that |
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92 | * wraps the empty value for primitive types. |
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93 | */ |
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94 | protected Object getSafeEmptyValue() |
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95 | { |
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96 | 0 | if (isMultiValued) |
97 | { |
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98 | 0 | return new double[0]; |
99 | } |
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100 | else |
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101 | { |
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102 | 0 | return (null == getEmptyValue()) |
103 | ? new Double(0.0) : getEmptyValue(); |
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104 | } |
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105 | } |
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106 | ||
107 | /** |
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108 | * A suitable validator. |
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109 | * |
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110 | * @return A suitable validator |
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111 | */ |
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112 | protected String getDefaultValidator() |
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113 | { |
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114 | 0 | return DoubleValidator.class.getName(); |
115 | } |
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116 | ||
117 | /** |
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118 | * Sets the value of the field from data in the parser. |
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119 | */ |
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120 | protected void doSetValue() |
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121 | { |
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122 | 0 | if (isMultiValued) |
123 | { |
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124 | 0 | String[] inputs = parser.getStrings(getKey()); |
125 | 0 | double[] values = new class="keyword">double[inputs.length]; |
126 | 0 | for (int i = 0; i < inputs.length; i++) |
127 | { |
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128 | 0 | values[i] = StringUtils.isNotEmpty(inputs[i]) |
129 | ? new Double(inputs[i]).doubleValue() |
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130 | : ((Double) getEmptyValue()).doubleValue(); |
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131 | } |
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132 | 0 | setTestValue(values); |
133 | } |
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134 | else |
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135 | { |
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136 | 0 | String val = parser.getString(getKey()); |
137 | 0 | setTestValue(StringUtils.isNotEmpty(val) |
138 | ? new Double(val) : (Double) getEmptyValue()); |
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139 | } |
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140 | 0 | } |
141 | ||
142 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |