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annotate src/main/java/edu/harvard/iq/dataverse/DatasetFieldValidator.java @ 10:a50cf11e5178

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Rewrite LGDataverse completely upgrading to dataverse4.0
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Tue, 08 Sep 2015 17:00:21 +0200
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1 /*
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2 * To change this license header, choose License Headers in Project Properties.
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3 * To change this template file, choose Tools | Templates
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4 * and open the template in the editor.
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5 */
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6 package edu.harvard.iq.dataverse;
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7
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8 import javax.validation.ConstraintValidator;
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9 import javax.validation.ConstraintValidatorContext;
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10 import org.apache.commons.lang.StringUtils;
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13 /**
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14 *
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15 * @author gdurand
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16 */
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17 public class DatasetFieldValidator implements ConstraintValidator<ValidateDatasetFieldType, DatasetField> {
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18
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19 @Override
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20 public void initialize(ValidateDatasetFieldType constraintAnnotation) {
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21 }
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23 @Override
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24 public boolean isValid(DatasetField value, ConstraintValidatorContext context) {
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25 context.disableDefaultConstraintViolation(); // we do this so we can have different messages depending on the different issue
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26
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27 DatasetFieldType dsfType = value.getDatasetFieldType();
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28 //SEK Additional logic turns off validation for templates
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29 if (isTemplateDatasetField(value)){
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30 return true;
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31 }
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32 if (((dsfType.isPrimitive() && dsfType.isRequired()) || (dsfType.isPrimitive() && value.isRequired()))
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33 && StringUtils.isBlank(value.getValue())) {
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34 context.buildConstraintViolationWithTemplate(dsfType.getDisplayName() + " is required.").addConstraintViolation();
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35 return false;
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36 }
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37 return true;
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38 }
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39
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40 private boolean isTemplateDatasetField(DatasetField dsf) {
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41 if (dsf.getParentDatasetFieldCompoundValue() != null) {
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42 return isTemplateDatasetField(dsf.getParentDatasetFieldCompoundValue().getParentDatasetField());
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43 } else {
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44 return dsf.getTemplate() != null;
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45 }
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46 }
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47 }