| 1 | package dbnp.studycapturing |
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| 2 | |
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| 3 | import dbnp.data.Term |
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| 4 | import org.springframework.validation.FieldError |
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| 5 | |
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| 6 | /** |
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| 7 | * TemplateEntity Domain Class |
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| 8 | * |
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| 9 | * Revision information: |
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| 10 | * $Rev: 536 $ |
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| 11 | * $Author: roberth $ |
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| 12 | * $Date: 2010-06-07 07:20:00 +0000 (ma, 07 jun 2010) $ |
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| 13 | */ |
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| 14 | abstract class TemplateEntity implements Serializable { |
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| 15 | Template template |
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| 16 | Map templateStringFields = [:] |
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| 17 | Map templateTextFields = [:] |
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| 18 | Map templateStringListFields = [:] |
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| 19 | Map templateIntegerFields = [:] |
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| 20 | Map templateFloatFields = [:] |
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| 21 | Map templateDoubleFields = [:] |
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| 22 | Map templateDateFields = [:] |
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| 23 | Map templateRelTimeFields = [:] // Contains relative times in seconds |
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| 24 | Map templateFileFields = [:] // Contains filenames |
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| 25 | Map templateTermFields = [:] |
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| 26 | |
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| 27 | static hasMany = [ |
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| 28 | templateStringFields: String, |
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| 29 | templateTextFields: String, |
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| 30 | templateStringListFields: TemplateFieldListItem, |
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| 31 | templateIntegerFields: int, |
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| 32 | templateFloatFields: float, |
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| 33 | templateDoubleFields: double, |
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| 34 | templateDateFields: Date, |
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| 35 | templateTermFields: Term, |
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| 36 | templateRelTimeFields: long, |
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| 37 | templateFileFields: String, |
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| 38 | systemFields: TemplateField |
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| 39 | ] |
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| 40 | |
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| 41 | static mapping = { |
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| 42 | tablePerHierarchy false |
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| 43 | |
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| 44 | templateTextFields type: 'text' |
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| 45 | } |
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| 46 | |
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| 47 | def fileService |
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| 48 | |
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| 49 | /** |
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| 50 | * Constraints |
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| 51 | * |
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| 52 | * All template fields have their own custom validator. Note that there |
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| 53 | * currently is a lot of code repetition. Ideally we don't want this, but |
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| 54 | * unfortunately due to scope issues we cannot re-use the code. So make |
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| 55 | * sure to replicate any changes to all pieces of logic! Only commented |
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| 56 | * the first occurrence of the logic, please refer to the templateStringFields |
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| 57 | * validator if you require information about the validation logic... |
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| 58 | */ |
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| 59 | static constraints = { |
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| 60 | template(nullable: true, blank: true) |
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| 61 | templateStringFields(validator: { fields, obj, errors -> |
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| 62 | // note that we only use 'fields' and 'errors', 'obj' is |
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| 63 | // merely here because it's the way the closure is called |
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| 64 | // by the validator... |
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| 65 | |
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| 66 | // define a boolean |
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| 67 | def error = false |
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| 68 | |
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| 69 | // iterate through fields |
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| 70 | fields.each { key, value -> |
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| 71 | // check if the value is of proper type |
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| 72 | if (value && value.class != String) { |
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| 73 | // it's of some other type |
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| 74 | try { |
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| 75 | // try to cast it to the proper type |
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| 76 | fields[key] = (value as String) |
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| 77 | } catch (Exception e) { |
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| 78 | // could not typecast properly, value is of improper type |
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| 79 | // add error message |
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| 80 | error = true |
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| 81 | errors.rejectValue( |
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| 82 | 'templateStringFields', |
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| 83 | 'templateEntity.typeMismatch.string', |
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| 84 | [key, value.class] as Object[], |
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| 85 | 'Property {0} must be of type String and is currently of type {1}' |
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| 86 | ) |
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| 87 | } |
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| 88 | } |
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| 89 | } |
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| 90 | |
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| 91 | // got an error, or not? |
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| 92 | return (!error) |
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| 93 | }) |
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| 94 | templateTextFields(validator: { fields, obj, errors -> |
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| 95 | def error = false |
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| 96 | fields.each { key, value -> |
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| 97 | if (value && value.class != String) { |
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| 98 | try { |
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| 99 | fields[key] = (value as String) |
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| 100 | } catch (Exception e) { |
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| 101 | error = true |
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| 102 | errors.rejectValue( |
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| 103 | 'templateTextFields', |
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| 104 | 'templateEntity.typeMismatch.string', |
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| 105 | [key, value.class] as Object[], |
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| 106 | 'Property {0} must be of type String and is currently of type {1}' |
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| 107 | ) |
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| 108 | } |
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| 109 | } |
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| 110 | } |
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| 111 | return (!error) |
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| 112 | }) |
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| 113 | templateStringListFields(validator: { fields, obj, errors -> |
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| 114 | def error = false |
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| 115 | fields.each { key, value -> |
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| 116 | if (value && value.class != TemplateFieldListItem) { |
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| 117 | try { |
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| 118 | fields[key] = (value as TemplateFieldListItem) |
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| 119 | } catch (Exception e) { |
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| 120 | error = true |
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| 121 | errors.rejectValue( |
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| 122 | 'templateIntegerFields', |
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| 123 | 'templateEntity.typeMismatch.templateFieldListItem', |
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| 124 | [key, value.class] as Object[], |
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| 125 | 'Property {0} must be of type TemplateFieldListItem and is currently of type {1}' |
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| 126 | ) |
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| 127 | } |
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| 128 | } |
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| 129 | } |
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| 130 | return (!error) |
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| 131 | }) |
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| 132 | templateIntegerFields(validator: { fields, obj, errors -> |
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| 133 | def error = false |
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| 134 | fields.each { key, value -> |
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| 135 | if (value && value.class != Integer) { |
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| 136 | try { |
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| 137 | fields[key] = (value as Integer) |
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| 138 | } catch (Exception e) { |
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| 139 | error = true |
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| 140 | errors.rejectValue( |
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| 141 | 'templateIntegerFields', |
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| 142 | 'templateEntity.typeMismatch.integer', |
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| 143 | [key, value.class] as Object[], |
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| 144 | 'Property {0} must be of type Integer and is currently of type {1}' |
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| 145 | ) |
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| 146 | } |
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| 147 | } |
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| 148 | } |
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| 149 | return (!error) |
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| 150 | }) |
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| 151 | templateFloatFields(validator: { fields, obj, errors -> |
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| 152 | def error = false |
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| 153 | fields.each { key, value -> |
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| 154 | if (value && value.class != Float) { |
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| 155 | try { |
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| 156 | fields[key] = (value as Float) |
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| 157 | } catch (Exception e) { |
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| 158 | error = true |
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| 159 | errors.rejectValue( |
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| 160 | 'templateFloatFields', |
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| 161 | 'templateEntity.typeMismatch.float', |
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| 162 | [key, value.class] as Object[], |
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| 163 | 'Property {0} must be of type Float and is currently of type {1}' |
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| 164 | ) |
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| 165 | } |
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| 166 | } |
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| 167 | } |
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| 168 | return (!error) |
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| 169 | }) |
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| 170 | templateDoubleFields(validator: { fields, obj, errors -> |
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| 171 | def error = false |
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| 172 | fields.each { key, value -> |
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| 173 | if (value && value.class != Double) { |
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| 174 | try { |
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| 175 | fields[key] = (value as Double) |
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| 176 | } catch (Exception e) { |
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| 177 | error = true |
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| 178 | errors.rejectValue( |
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| 179 | 'templateDoubleFields', |
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| 180 | 'templateEntity.typeMismatch.double', |
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| 181 | [key, value.class] as Object[], |
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| 182 | 'Property {0} must be of type Double and is currently of type {1}' |
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| 183 | ) |
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| 184 | } |
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| 185 | } |
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| 186 | } |
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| 187 | return (!error) |
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| 188 | }) |
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| 189 | templateDateFields(validator: { fields, obj, errors -> |
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| 190 | def error = false |
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| 191 | fields.each { key, value -> |
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| 192 | if (value && value.class != Date) { |
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| 193 | try { |
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| 194 | fields[key] = (value as Date) |
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| 195 | } catch (Exception e) { |
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| 196 | error = true |
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| 197 | errors.rejectValue( |
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| 198 | 'templateDateFields', |
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| 199 | 'templateEntity.typeMismatch.date', |
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| 200 | [key, value.class] as Object[], |
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| 201 | 'Property {0} must be of type Date and is currently of type {1}' |
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| 202 | ) |
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| 203 | } |
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| 204 | } |
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| 205 | } |
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| 206 | return (!error) |
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| 207 | }) |
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| 208 | templateRelTimeFields(validator: { fields, obj, errors -> |
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| 209 | def error = false |
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| 210 | fields.each { key, value -> |
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| 211 | if (value && value.class != long) { |
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| 212 | try { |
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| 213 | fields[key] = (value as long) |
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| 214 | } catch (Exception e) { |
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| 215 | error = true |
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| 216 | errors.rejectValue( |
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| 217 | 'templateRelTimeFields', |
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| 218 | 'templateEntity.typeMismatch.reltime', |
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| 219 | [key, value.class] as Object[], |
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| 220 | 'Property {0} must be of type long and is currently of type {1}' |
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| 221 | ) |
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| 222 | } |
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| 223 | } |
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| 224 | } |
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| 225 | return (!error) |
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| 226 | }) |
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| 227 | templateTermFields(validator: { fields, obj, errors -> |
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| 228 | def error = false |
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| 229 | fields.each { key, value -> |
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| 230 | if (value && value.class != Term) { |
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| 231 | try { |
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| 232 | fields[key] = (value as Term) |
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| 233 | } catch (Exception e) { |
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| 234 | error = true |
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| 235 | errors.rejectValue( |
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| 236 | 'templateTermFields', |
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| 237 | 'templateEntity.typeMismatch.term', |
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| 238 | [key, value.class] as Object[], |
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| 239 | 'Property {0} must be of type Term and is currently of type {1}' |
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| 240 | ) |
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| 241 | } |
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| 242 | } |
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| 243 | } |
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| 244 | return (!error) |
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| 245 | }) |
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| 246 | templateFileFields(validator: { fields, obj, errors -> |
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| 247 | // note that we only use 'fields' and 'errors', 'obj' is |
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| 248 | // merely here because it's the way the closure is called |
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| 249 | // by the validator... |
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| 250 | |
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| 251 | // define a boolean |
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| 252 | def error = false |
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| 253 | |
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| 254 | // iterate through fields |
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| 255 | fields.each { key, value -> |
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| 256 | // check if the value is of proper type |
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| 257 | if (value && value.class != String) { |
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| 258 | // it's of some other type |
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| 259 | try { |
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| 260 | // try to cast it to the proper type |
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| 261 | fields[key] = (value as String) |
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| 262 | |
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| 263 | // Find the file on the system |
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| 264 | // if it does not exist, the filename can |
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| 265 | // not be entered |
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| 266 | |
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| 267 | } catch (Exception e) { |
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| 268 | // could not typecast properly, value is of improper type |
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| 269 | // add error message |
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| 270 | error = true |
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| 271 | errors.rejectValue( |
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| 272 | 'templateFileFields', |
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| 273 | 'templateEntity.typeMismatch.string', |
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| 274 | [key, value.class] as Object[], |
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| 275 | 'Property {0} must be of type String and is currently of type {1}' |
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| 276 | ) |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | |
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| 281 | // got an error, or not? |
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| 282 | return (!error) |
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| 283 | }) |
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| 284 | } |
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| 285 | |
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| 286 | /** |
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| 287 | * Get the proper templateFields Map for a specific field type |
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| 288 | * @param TemplateFieldType |
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| 289 | * @return pointer |
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| 290 | * @visibility private |
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| 291 | * @throws NoSuchFieldException |
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| 292 | */ |
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| 293 | public Map getStore(TemplateFieldType fieldType) { |
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| 294 | switch (fieldType) { |
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| 295 | case TemplateFieldType.STRING: |
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| 296 | return templateStringFields |
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| 297 | case TemplateFieldType.TEXT: |
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| 298 | return templateTextFields |
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| 299 | case TemplateFieldType.STRINGLIST: |
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| 300 | return templateStringListFields |
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| 301 | case TemplateFieldType.INTEGER: |
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| 302 | return templateIntegerFields |
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| 303 | case TemplateFieldType.DATE: |
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| 304 | return templateDateFields |
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| 305 | case TemplateFieldType.RELTIME: |
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| 306 | return templateRelTimeFields |
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| 307 | case TemplateFieldType.FILE: |
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| 308 | return templateFileFields |
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| 309 | case TemplateFieldType.FLOAT: |
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| 310 | return templateFloatFields |
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| 311 | case TemplateFieldType.DOUBLE: |
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| 312 | return templateDoubleFields |
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| 313 | case TemplateFieldType.ONTOLOGYTERM: |
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| 314 | return templateTermFields |
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| 315 | default: |
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| 316 | throw new NoSuchFieldException("Field type ${fieldType} not recognized") |
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| 317 | } |
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| 318 | } |
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| 319 | |
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| 320 | /** |
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| 321 | * Find a field domain or template field by its name and return its description |
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| 322 | * @param fieldsCollection the set of fields to search in, usually something like this.giveFields() |
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| 323 | * @param fieldName The name of the domain or template field |
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| 324 | * @return the TemplateField description of the field |
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| 325 | * @throws NoSuchFieldException If the field is not found or the field type is not supported |
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| 326 | */ |
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| 327 | private static TemplateField getField(List<TemplateField> fieldsCollection, String fieldName) { |
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| 328 | // escape the fieldName for easy matching |
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| 329 | // (such escaped names are commonly used |
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| 330 | // in the HTTP forms of this application) |
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| 331 | String escapedLowerCaseFieldName = fieldName.toLowerCase().replaceAll("([^a-z0-9])", "_") |
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| 332 | |
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| 333 | // Find the target template field, if not found, throw an error |
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| 334 | TemplateField field = fieldsCollection.find { it.name.toLowerCase().replaceAll("([^a-z0-9])", "_") == escapedLowerCaseFieldName } |
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| 335 | |
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| 336 | if (field) { |
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| 337 | return field |
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| 338 | } |
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| 339 | else { |
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| 340 | throw new NoSuchFieldException("Field ${fieldName} not recognized") |
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| 341 | } |
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| 342 | } |
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| 343 | |
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| 344 | /** |
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| 345 | * Find a domain or template field by its name and return its value for this entity |
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| 346 | * @param fieldName The name of the domain or template field |
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| 347 | * @return the value of the field (class depends on the field type) |
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| 348 | * @throws NoSuchFieldException If the field is not found or the field type is not supported |
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| 349 | */ |
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| 350 | def getFieldValue(String fieldName) { |
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| 351 | |
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| 352 | if (isDomainField(fieldName)) { |
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| 353 | return this[fieldName] |
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| 354 | } |
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| 355 | else { |
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| 356 | TemplateField field = getField(this.giveTemplateFields(), fieldName) |
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| 357 | return getStore(field.type)[fieldName] |
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| 358 | } |
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| 359 | |
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| 360 | } |
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| 361 | |
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| 362 | /** |
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| 363 | * Check whether a given template field exists or not |
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| 364 | * @param fieldName The name of the template field |
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| 365 | * @return true if the given field exists and false otherwise |
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| 366 | */ |
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| 367 | boolean fieldExists(String fieldName) { |
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| 368 | // getField should throw a NoSuchFieldException if the field does not exist |
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| 369 | try { |
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| 370 | TemplateField field = getField(this.giveFields(), fieldName) |
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| 371 | // return true if exception is not thrown (but double check if field really is not null) |
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| 372 | if (field) { |
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| 373 | return true |
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| 374 | } |
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| 375 | else { |
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| 376 | return false |
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| 377 | } |
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| 378 | } |
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| 379 | // if exception is thrown, return false |
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| 380 | catch (NoSuchFieldException e) { |
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| 381 | return false |
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| 382 | } |
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| 383 | } |
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| 384 | |
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| 385 | /** |
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| 386 | * Set a template/entity field value |
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| 387 | * @param fieldName The name of the template or entity field |
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| 388 | * @param value The value to be set, this should align with the (template) field type, but there are some convenience setters |
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| 389 | */ |
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| 390 | def setFieldValue(String fieldName, value) { |
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| 391 | // get the template field |
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| 392 | TemplateField field = getField(this.giveFields(), fieldName) |
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| 393 | |
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| 394 | // Convenience setter for template string list fields: find TemplateFieldListItem by name |
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| 395 | if (field.type == TemplateFieldType.STRINGLIST && value && value.class == String) { |
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| 396 | // Kees insensitive pattern matching ;) |
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| 397 | def escapedLowerCaseValue = value.toLowerCase().replaceAll("([^a-z0-9])", "_") |
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| 398 | value = field.listEntries.find { |
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| 399 | it.name.toLowerCase().replaceAll("([^a-z0-9])", "_") == escapedLowerCaseValue |
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| 400 | } |
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| 401 | } |
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| 402 | |
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| 403 | // Magic setter for dates: handle string values for date fields |
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| 404 | if (field.type == TemplateFieldType.DATE && value && value.class == String) { |
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| 405 | // a string was given, attempt to transform it into a date instance |
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| 406 | // and -for now- assume the dd/mm/yyyy format |
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| 407 | def dateMatch = value =~ /^([0-9]{1,})([^0-9]{1,})([0-9]{1,})([^0-9]{1,})([0-9]{1,})((([^0-9]{1,})([0-9]{1,2}):([0-9]{1,2})){0,})/ |
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| 408 | if (dateMatch.matches()) { |
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| 409 | // create limited 'autosensing' datetime parser |
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| 410 | // assume dd mm yyyy or dd mm yy |
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| 411 | def parser = 'd' + dateMatch[0][2] + 'M' + dateMatch[0][4] + (((dateMatch[0][5] as int) > 999) ? 'yyyy' : 'yy') |
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| 412 | |
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| 413 | // add time as well? |
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| 414 | if (dateMatch[0][7] != null) { |
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| 415 | parser += dateMatch[0][6] + 'HH:mm' |
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| 416 | } |
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| 417 | |
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| 418 | value = new Date().parse(parser, value) |
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| 419 | } |
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| 420 | } |
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| 421 | |
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| 422 | // Magic setter for relative times: handle string values for relTime fields |
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| 423 | // |
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| 424 | if (field.type == TemplateFieldType.RELTIME && value != null && value.class == String) { |
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| 425 | // A string was given, attempt to transform it into a timespan |
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| 426 | value = RelTime.parseRelTime(value).getValue(); |
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| 427 | } |
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| 428 | |
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| 429 | // Sometimes the fileService is not created yet |
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| 430 | if( !fileService ) { |
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| 431 | fileService = new FileService(); |
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| 432 | } |
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| 433 | |
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| 434 | // Magic setter for files: handle values for file fields |
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| 435 | // |
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| 436 | // If NULL is given, the field value is emptied and the old file is removed |
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| 437 | // If an empty string is given, the field value is kept as was |
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| 438 | // If a file is given, it is moved to the right directory. Old files are deleted. If |
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| 439 | // the file does not exist, the field is kept |
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| 440 | // If a string is given, it is supposed to be a file in the upload directory. If |
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| 441 | // it is different from the old one, the old one is deleted. If the file does not |
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| 442 | // exist, the old one is kept. |
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| 443 | if (field.type == TemplateFieldType.FILE) { |
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| 444 | def currentFile = getFieldValue( field.name ); |
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| 445 | |
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| 446 | if( value == null ) { |
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| 447 | // If NULL is given, the field value is emptied and the old file is removed |
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| 448 | value = ""; |
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| 449 | if( currentFile ) |
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| 450 | { |
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| 451 | fileService.delete( currentFile ) |
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| 452 | } |
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| 453 | } else if( value.class == File ) { |
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| 454 | // a file was given. Attempt to move it to the upload directory, and |
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| 455 | // afterwards, store the filename. If the file doesn't exist |
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| 456 | // or can't be moved, "" is returned |
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| 457 | value = fileService.moveFileToUploadDir( value ); |
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| 458 | |
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| 459 | if( value ) { |
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| 460 | if( currentFile ) |
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| 461 | { |
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| 462 | fileService.delete( currentFile ) |
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| 463 | } |
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| 464 | } else { |
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| 465 | value = currentFile; |
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| 466 | } |
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| 467 | } else if ( value == "" ) { |
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| 468 | value = currentFile; |
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| 469 | } else { |
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| 470 | if( value != currentFile ) { |
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| 471 | if( fileService.fileExists( value ) ) { |
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| 472 | // When a FILE field is filled, and a new file is set |
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| 473 | // the existing file should be deleted |
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| 474 | if( currentFile ) |
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| 475 | { |
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| 476 | fileService.delete( currentFile ) |
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| 477 | } |
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| 478 | } else { |
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| 479 | // If the file does not exist, the field is kept |
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| 480 | value = currentFile; |
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| 481 | } |
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| 482 | } |
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| 483 | } |
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| 484 | } |
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| 485 | |
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| 486 | |
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| 487 | // Magic setter for ontology terms: handle string values |
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| 488 | if (field.type == TemplateFieldType.ONTOLOGYTERM && value && value.class == String) { |
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| 489 | // iterate through ontologies and find term |
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| 490 | field.ontologies.each() { ontology -> |
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| 491 | def term = ontology.giveTermByName(value) |
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| 492 | |
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| 493 | // found a term? |
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| 494 | if (term) { |
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| 495 | value = term |
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| 496 | } |
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| 497 | } |
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| 498 | } |
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| 499 | |
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| 500 | // Set the field value |
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| 501 | if (isDomainField(field)) { |
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| 502 | // got a value? |
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| 503 | if (value) { |
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| 504 | println ".setting [" + ((super) ? super.class : '??') + "] domain field: [" + fieldName + "] ([" + value.toString() + "] of type [" + value.class + "])" |
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| 505 | |
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| 506 | // set value |
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| 507 | this[field.name] = value |
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| 508 | } else { |
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| 509 | println ".unsetting [" + ((super) ? super.class : '??') + "] domain field: [" + fieldName + "]" |
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| 510 | |
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| 511 | // remove value. For numbers, this is done by setting |
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| 512 | // the value to 0, otherwise, setting it to NULL |
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| 513 | switch (field.type.toString()) { |
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| 514 | case ['INTEGER', 'FLOAT', 'DOUBLE', 'RELTIME']: |
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| 515 | this[field.name] = 0; |
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| 516 | break; |
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| 517 | default: |
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| 518 | this[field.name] = null |
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| 519 | } |
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| 520 | } |
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| 521 | } else { |
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| 522 | // Caution: this assumes that all template...Field Maps are already initialized (as is done now above as [:]) |
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| 523 | // If that is ever changed, the results are pretty much unpredictable (random Java object pointers?)! |
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| 524 | def store = getStore(field.type) |
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| 525 | |
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| 526 | // If some value is entered (or 0), then save the value |
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| 527 | // otherwise, it should not be present in the store, so |
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| 528 | // it is unset if it is. |
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| 529 | if (value || value == 0) { |
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| 530 | println ".setting [" + ((super) ? super.class : '??') + "] template field: [" + fieldName + "] ([" + value.toString() + "] of type [" + value.class + "])" |
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| 531 | |
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| 532 | // set value |
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| 533 | store[fieldName] = value |
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| 534 | } else if (store[fieldName]) { |
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| 535 | println ".unsetting [" + ((super) ? super.class : '??') + "] template field: [" + fieldName + "]" |
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| 536 | |
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| 537 | // remove the item from the Map (if present) |
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| 538 | store.remove(fieldName) |
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| 539 | } |
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| 540 | } |
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| 541 | |
|---|
| 542 | return this |
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| 543 | } |
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| 544 | |
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| 545 | /** |
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| 546 | * Check if a given field is a domain field |
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| 547 | * @param TemplateField field instance |
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| 548 | * @return boolean |
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| 549 | */ |
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| 550 | boolean isDomainField(TemplateField field) { |
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| 551 | return isDomainField(field.name) |
|---|
| 552 | } |
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| 553 | |
|---|
| 554 | /** |
|---|
| 555 | * Check if a given field is a domain field |
|---|
| 556 | * @param String field name |
|---|
| 557 | * @return boolean |
|---|
| 558 | */ |
|---|
| 559 | boolean isDomainField(String fieldName) { |
|---|
| 560 | return this.giveDomainFields()*.name.contains(fieldName) |
|---|
| 561 | } |
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| 562 | |
|---|
| 563 | /** |
|---|
| 564 | * Return all fields defined in the underlying template and the built-in |
|---|
| 565 | * domain fields of this entity |
|---|
| 566 | */ |
|---|
| 567 | def List<TemplateField> giveFields() { |
|---|
| 568 | return this.giveDomainFields() + this.giveTemplateFields(); |
|---|
| 569 | } |
|---|
| 570 | |
|---|
| 571 | /** |
|---|
| 572 | * Return all templated fields defined in the underlying template of this entity |
|---|
| 573 | */ |
|---|
| 574 | def List<TemplateField> giveTemplateFields() { |
|---|
| 575 | return (this.template) ? this.template.fields : [] |
|---|
| 576 | } |
|---|
| 577 | |
|---|
| 578 | /** |
|---|
| 579 | * Return all relevant 'built-in' domain fields of the super class. Should be implemented by a static method |
|---|
| 580 | * @return List with DomainTemplateFields |
|---|
| 581 | * @see TemplateField |
|---|
| 582 | */ |
|---|
| 583 | abstract List<TemplateField> giveDomainFields() |
|---|
| 584 | |
|---|
| 585 | /** |
|---|
| 586 | * Convenience method. Returns all unique templates used within a collection of TemplateEntities. |
|---|
| 587 | * |
|---|
| 588 | * If the collection is empty, an empty set is returned. If none of the entities contains |
|---|
| 589 | * a template, also an empty set is returned. |
|---|
| 590 | */ |
|---|
| 591 | static Set<Template> giveTemplates(Set<TemplateEntity> entityCollection) { |
|---|
| 592 | def set = entityCollection*.template.unique(); |
|---|
| 593 | |
|---|
| 594 | // If one or more entities does not have a template, the resulting |
|---|
| 595 | // set contains null. That is not what is meant. |
|---|
| 596 | return set.findAll { it != null }; |
|---|
| 597 | } |
|---|
| 598 | |
|---|
| 599 | /** |
|---|
| 600 | * Convenience method. Returns the template used within a collection of TemplateEntities. |
|---|
| 601 | * @throws NoSuchFieldException when 0 or multiple templates are used in the collection |
|---|
| 602 | * @return The template used by all members of a collection |
|---|
| 603 | */ |
|---|
| 604 | static Template giveSingleTemplate(Set<TemplateEntity> entityCollection) { |
|---|
| 605 | def templates = giveTemplates(entityCollection); |
|---|
| 606 | if (templates.size() == 0) { |
|---|
| 607 | throw new NoSuchFieldException("No templates found in collection!") |
|---|
| 608 | } else if (templates.size() == 1) { |
|---|
| 609 | return templates[0]; |
|---|
| 610 | } else { |
|---|
| 611 | throw new NoSuchFieldException("Multiple templates found in collection!") |
|---|
| 612 | } |
|---|
| 613 | } |
|---|
| 614 | } |
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