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avoid NPEs

This commit is contained in:
Claudio Atzori 2023-12-03 16:18:20 +01:00
parent e6086efc53
commit 74b185d07b
1 changed files with 3 additions and 3 deletions
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6
dhp-common/src/main/java/eu/dnetlib/dhp/schema/oaf/utils/GraphCleaningFunctions.java
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@ -943,17 +943,17 @@ public class GraphCleaningFunctions extends CleaningFunctions {
private static Qualifier getMetaResourceType(final List<Instance> instances, final VocabularyGroup vocs) {
if (vocs.vocabularyExists(OPENAIRE_META_RESOURCE_TYPE)) {
Optional<InstanceTypeMapping> instanceTypeMapping = instances
Optional<InstanceTypeMapping> itm = instances
.stream()
.flatMap(
i -> Optional.ofNullable(i.getInstanceTypeMapping()).map(Collection::stream).orElse(Stream.empty()))
.filter(t -> OPENAIRE_COAR_RESOURCE_TYPES_3_1.equals(t.getVocabularyName()))
.findFirst();
if (!instanceTypeMapping.isPresent()) {
if (!itm.isPresent() || Objects.isNull(itm.get().getTypeCode())) {
return null;
} else {
final String typeCode = instanceTypeMapping.get().getTypeCode();
final String typeCode = itm.get().getTypeCode();
return Optional
.ofNullable(vocs.lookupTermBySynonym(OPENAIRE_META_RESOURCE_TYPE, typeCode))
.orElseThrow(