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Fixed MockMetadataConverter issue where multiple metadatavalues for a single metadatafield would get lost due to sorting issues

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This commit is contained in:
Raf Ponsaerts
2019-10-25 13:54:08 +02:00
parent 11745fe69f
commit d66c3da752
1 changed files with 10 additions and 9 deletions
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19
dspace-server-webapp/src/main/java/org/dspace/app/rest/converter/MockMetadataConverter.java
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@@ -9,6 +9,7 @@ package org.dspace.app.rest.converter;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
@@ -42,26 +43,26 @@ public class MockMetadataConverter implements Converter<List<MockMetadataValue>,
@Override
public MetadataRest convert(List<MockMetadataValue> metadataValueList) {
// Convert each value to a DTO while retaining place order in a map of key -> SortedSet
Map<String, SortedSet<MetadataValueRest>> mapOfSortedSets = new HashMap<>();
Map<String, List<MetadataValueRest>> mapOfLists = new HashMap<>();
for (MockMetadataValue metadataValue : metadataValueList) {
String key = metadataValue.getSchema() + "." + metadataValue.getElement();
if (StringUtils.isNotBlank(metadataValue.getQualifier())) {
key += "." + metadataValue.getQualifier();
}
SortedSet<MetadataValueRest> set = mapOfSortedSets.get(key);
if (set == null) {
set = new TreeSet<>(Comparator.comparingInt(MetadataValueRest::getPlace));
mapOfSortedSets.put(key, set);
List<MetadataValueRest> list = mapOfLists.get(key);
if (list == null) {
list = new LinkedList();
mapOfLists.put(key, list);
}
set.add(valueConverter.convert(metadataValue));
list.add(valueConverter.convert(metadataValue));
}
MetadataRest metadataRest = new MetadataRest();
// Populate MetadataRest's map of key -> List while respecting SortedSet's order
Map<String, List<MetadataValueRest>> mapOfLists = metadataRest.getMap();
for (Map.Entry<String, SortedSet<MetadataValueRest>> entry : mapOfSortedSets.entrySet()) {
mapOfLists.put(entry.getKey(), entry.getValue().stream().collect(Collectors.toList()));
Map<String, List<MetadataValueRest>> metadataRestMap = metadataRest.getMap();
for (Map.Entry<String, List<MetadataValueRest>> entry : mapOfLists.entrySet()) {
metadataRestMap.put(entry.getKey(), entry.getValue().stream().collect(Collectors.toList()));
}
return metadataRest;