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package org.kuali.student.datadictionary.util; |
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import java.util.ArrayList; |
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import java.util.Date; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.Set; |
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import java.util.regex.Pattern; |
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import java.util.regex.PatternSyntaxException; |
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import org.kuali.rice.core.api.DateTimeService; |
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import org.kuali.rice.kns.datadictionary.AttributeDefinition; |
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import org.kuali.rice.kns.datadictionary.DataObjectEntry; |
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import org.kuali.rice.kns.datadictionary.validation.DataType; |
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import org.kuali.rice.kns.datadictionary.validation.ValidationUtils; |
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import org.kuali.rice.kns.datadictionary.validation.constraint.CaseConstraint; |
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import org.kuali.rice.kns.datadictionary.validation.constraint.LookupConstraint; |
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import org.kuali.rice.kns.datadictionary.validation.constraint.ValidCharactersConstraint; |
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import org.kuali.rice.kns.datadictionary.validation.constraint.WhenConstraint; |
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public class DictionaryValidator { |
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private DateTimeService dateTimeService; |
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private DataObjectEntry ode; |
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private Set<DataObjectEntry> alreadyValidated; |
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|
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public DictionaryValidator(DataObjectEntry ode, |
| 45 | 4 | Set<DataObjectEntry> alreadyValidated) { |
| 46 | 4 | this.ode = ode; |
| 47 | 4 | this.alreadyValidated = alreadyValidated; |
| 48 | 4 | } |
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|
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public DateTimeService getDateTimeService() { |
| 51 | 0 | return dateTimeService; |
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} |
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public void setDateTimeService(DateTimeService dateTimeService) { |
| 55 | 0 | this.dateTimeService = dateTimeService; |
| 56 | 0 | } |
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public List<String> validate() { |
| 59 | 4 | List<String> errors = new ArrayList(); |
| 60 | 4 | if (ode.getFullClassName() == null) { |
| 61 | 0 | errors.add("The class name cannot be be left null"); |
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} |
| 63 | 4 | if (ode.getEntryClass() == null) { |
| 64 | 0 | errors.add("The entry class should not be left null"); |
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} |
| 66 | 4 | if ( ! ode.getEntryClass().getName ().equals(ode.getFullClassName())) { |
| 67 | 0 | errors.add("The entry class should match the full class name"); |
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} |
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| 75 | 4 | if (ode.getAttributes() == null) { |
| 76 | 0 | errors.add("getAttribues () is null -- null for field defintion"); |
| 77 | 0 | return errors; |
| 78 | |
} |
| 79 | 4 | if (ode.getAttributes().size() == 0) { |
| 80 | 0 | errors.add("No fields defined for complex object structure"); |
| 81 | 0 | return errors; |
| 82 | |
} |
| 83 | 4 | Set<String> fieldNames = new HashSet(); |
| 84 | 4 | for (AttributeDefinition ad : ode.getAttributes()) { |
| 85 | 29 | if (ad.getName() != null) { |
| 86 | 29 | if (!fieldNames.add(ad.getName())) { |
| 87 | 0 | errors.add(ad.getName() + " is defined more than once"); |
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} |
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} |
| 90 | 29 | errors.addAll(validateAttributeDefinition(ad)); |
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} |
| 92 | 4 | return errors; |
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} |
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private List<String> validateAttributeDefinition(AttributeDefinition ad) { |
| 107 | 29 | List<String> errors = new ArrayList(); |
| 108 | 29 | if (ad.getName() == null) { |
| 109 | 0 | errors.add("name cannot be null"); |
| 110 | 29 | } else if (ad.getName().trim().equals("")) { |
| 111 | 0 | errors.add("name cannot be blank"); |
| 112 | |
} |
| 113 | 29 | if (ad.getDataType().equals(DataType.COMPLEX)) { |
| 114 | 2 | errorIfNotNull(errors, ad, "exclusiveMin", ad.getExclusiveMin()); |
| 115 | 2 | errorIfNotNull(errors, ad, "inclusiveMax", ad.getInclusiveMax()); |
| 116 | 2 | errorIfNotNull(errors, ad, "max length", ad.getMaxLength()); |
| 117 | 2 | errorIfNotNull(errors, ad, "min length", ad.getMinLength()); |
| 118 | 2 | errorIfNotNull(errors, ad, "valid chars", ad.getValidCharactersConstraint()); |
| 119 | 2 | errorIfNotNull(errors, ad, "lookup", ad.getLookupDefinition()); |
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} |
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|
| 122 | 29 | validateConversion(errors, ad.getName(), "exclusiveMin", ad.getDataType(), ad.getExclusiveMin()); |
| 123 | 29 | validateConversion(errors, ad.getName(), "inclusiveMax", ad.getDataType(), ad.getInclusiveMax()); |
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|
| 126 | 29 | if (ad.getLookupDefinition() != null) { |
| 127 | 0 | errors.addAll(validateLookup(ad, ad.getLookupDefinition())); |
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} |
| 129 | 29 | if (ad.getCaseConstraint() != null) { |
| 130 | 0 | errors.addAll(validateCase(ad, ad.getCaseConstraint())); |
| 131 | |
} |
| 132 | 29 | if (ad.getValidCharactersConstraint() != null) { |
| 133 | 18 | errors.addAll(validateValidChars(ad, ad.getValidCharactersConstraint())); |
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} |
| 135 | 29 | return errors; |
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} |
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private void errorIfNotNull(List<String> errors, AttributeDefinition fd, |
| 139 | |
String validation, |
| 140 | |
Object value) { |
| 141 | 12 | if (value != null) { |
| 142 | 0 | errors.add("field " + fd.getName() + " has a " + validation |
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+ " but it cannot be specified on a complex type"); |
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} |
| 145 | 12 | } |
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|
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private Object validateConversion(List<String> errors, String fieldName, |
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String propertyName, DataType dataType, |
| 149 | |
Object value) { |
| 150 | 58 | if (value == null) { |
| 151 | 58 | return null; |
| 152 | |
} |
| 153 | 0 | switch (dataType) { |
| 154 | |
case STRING: |
| 155 | 0 | return value.toString().trim(); |
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|
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case LONG: |
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try { |
| 159 | 0 | return ValidationUtils.getLong(value); |
| 160 | 0 | } catch (NumberFormatException ex) { |
| 161 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName |
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+ " that cannot be converted into a long integer"); |
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} |
| 166 | 0 | return null; |
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case INTEGER: |
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try { |
| 169 | 0 | return ValidationUtils.getInteger(value); |
| 170 | 0 | } catch (NumberFormatException ex) { |
| 171 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName + " that cannot be converted into an integer"); |
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} |
| 175 | 0 | return null; |
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case FLOAT: |
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try { |
| 178 | 0 | return ValidationUtils.getFloat(value); |
| 179 | 0 | } catch (NumberFormatException ex) { |
| 180 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName |
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+ " that cannot be converted into a floating point value"); |
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} |
| 185 | 0 | return null; |
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case DOUBLE: |
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try { |
| 188 | 0 | return ValidationUtils.getFloat(value); |
| 189 | 0 | } catch (NumberFormatException ex) { |
| 190 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName |
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+ " that cannot be converted into a double sized floating point value"); |
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} |
| 195 | 0 | return null; |
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case BOOLEAN: |
| 197 | 0 | if (value instanceof Boolean) { |
| 198 | 0 | return ((Boolean) value).booleanValue(); |
| 199 | |
} |
| 200 | 0 | if (value instanceof String) { |
| 201 | 0 | if (((String) value).trim().equalsIgnoreCase("true")) { |
| 202 | 0 | return true; |
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} |
| 204 | 0 | if (((String) value).trim().equalsIgnoreCase("false")) { |
| 205 | 0 | return true; |
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} |
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} |
| 208 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName |
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+ " that cannot be converted into a boolean true/false"); |
| 212 | 0 | return null; |
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case DATE: |
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case TRUNCATED_DATE: |
| 215 | 0 | if (value instanceof Date) { |
| 216 | 0 | return (Date) value; |
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} |
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try { |
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|
| 220 | 0 | return ValidationUtils.getDate(value, dateTimeService); |
| 221 | 0 | } catch (Exception e) { |
| 222 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName |
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+ " that cannot be converted into a date"); |
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} |
| 227 | 0 | return null; |
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default: |
| 229 | 0 | errors.add( |
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"field " + fieldName |
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+ " has a " + propertyName |
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+ " that cannot be converted into an unknown/unhandled data type"); |
| 233 | 0 | return null; |
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} |
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} |
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|
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private List<String> validateValidChars(AttributeDefinition fd, |
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ValidCharactersConstraint vc) { |
| 239 | 18 | List<String> errors = new ArrayList(); |
| 240 | 18 | String validChars = vc.getValue(); |
| 241 | 18 | int typIdx = validChars.indexOf(":"); |
| 242 | 18 | String processorType = "regex"; |
| 243 | 18 | if (-1 == typIdx) { |
| 244 | 0 | validChars = "[" + validChars + "]*"; |
| 245 | |
} else { |
| 246 | 18 | processorType = validChars.substring(0, typIdx); |
| 247 | 18 | validChars = validChars.substring(typIdx + 1); |
| 248 | |
} |
| 249 | 18 | if (!processorType.equalsIgnoreCase("regex")) { |
| 250 | 0 | errors.add( |
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"field " + fd.getName() |
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+ " has an invalid valid chars processor type: a simple list of characters or a regex: is supported"); |
| 253 | 0 | return errors; |
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} |
| 255 | |
try { |
| 256 | 18 | Pattern pattern = Pattern.compile(validChars); |
| 257 | 0 | } catch (PatternSyntaxException ex) { |
| 258 | 0 | errors.add("field " + fd.getName() |
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+ " has in invalid character pattern for a regular expression: " |
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+ validChars); |
| 261 | 18 | } |
| 262 | 18 | return errors; |
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} |
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|
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private List<String> validateLookup(AttributeDefinition fd, LookupConstraint lc) { |
| 266 | 0 | List<String> errors = new ArrayList(); |
| 267 | 0 | if (lc.getParams() == null) { |
| 268 | 0 | errors.add("field " + fd.getName() + " has a lookup with null parameters"); |
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} |
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|
| 271 | 0 | return errors; |
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} |
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public static final String GREATER_THAN_EQUAL = "greater_than_equal"; |
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public static final String LESS_THAN_EQUAL = "less_than_equal"; |
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public static final String GREATER_THAN = "greater_than"; |
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public static final String LESS_THAN = "less_than"; |
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public static final String EQUALS = "equals"; |
| 278 | |
public static final String NOT_EQUAL = "not_equal"; |
| 279 | 1 | private static final String[] VALID_OPERATORS = { |
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NOT_EQUAL, EQUALS, GREATER_THAN_EQUAL, LESS_THAN_EQUAL, GREATER_THAN, LESS_THAN |
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}; |
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|
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private List<String> validateCase(AttributeDefinition fd, CaseConstraint cc) { |
| 284 | 0 | List<String> errors = new ArrayList(); |
| 285 | 0 | if (cc.getOperator() == null) { |
| 286 | 0 | errors.add("field " + fd.getName() |
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+ " has a case constraint with no operator"); |
| 288 | |
} else { |
| 289 | 0 | boolean found = false; |
| 290 | 0 | for (int i = 0; i < VALID_OPERATORS.length; i++) { |
| 291 | 0 | if (VALID_OPERATORS[i].equalsIgnoreCase(cc.getOperator())) { |
| 292 | 0 | found = true; |
| 293 | 0 | break; |
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} |
| 295 | |
} |
| 296 | 0 | if (!found) { |
| 297 | 0 | errors.add("field " + fd.getName() |
| 298 | |
+ " has a case constraint with an unknown operator " |
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+ cc.getOperator()); |
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} |
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} |
| 302 | 0 | if (cc.getFieldPath() == null) { |
| 303 | 0 | errors.add( |
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"field " + fd.getName() |
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+ " has a case constraint with a null for the field to use for the comparison"); |
| 306 | 0 | } else if (cc.getFieldPath().trim().equals("")) { |
| 307 | 0 | errors.add( |
| 308 | |
"field " + fd.getName() |
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+ " has a case constraint with blanks for the field to use for the comparison"); |
| 310 | |
} |
| 311 | 0 | if (cc.getWhenConstraint() == null) { |
| 312 | 0 | errors.add("field " + fd.getName() |
| 313 | |
+ " has a case constraint but null when statements"); |
| 314 | 0 | return errors; |
| 315 | |
} |
| 316 | 0 | if (cc.getWhenConstraint().size() == 0) { |
| 317 | 0 | errors.add("field " + fd.getName() |
| 318 | |
+ " has a case constraint but has no when statements"); |
| 319 | |
} |
| 320 | 0 | for (WhenConstraint wc : cc.getWhenConstraint()) { |
| 321 | 0 | if (wc.getConstraint() == null) { |
| 322 | 0 | errors.add( |
| 323 | |
"field " + fd.getName() |
| 324 | |
+ " has a as case constraint with a when statement that has no overriding constraints specified"); |
| 325 | |
} |
| 326 | |
} |
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|
| 328 | 0 | return errors; |
| 329 | |
} |
| 330 | |
} |