Merge branch 'master' of https://code-repo.d4science.org/D-Net/dnet-hadoop

dhp-workflows/dhp-broker-events/src/main/java/eu/dnetlib/dhp/broker/oa/matchers/simple/EnrichMissingAbstract.java

@@ -5,12 +5,16 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
+import org.apache.commons.lang3.StringUtils;
+
 import eu.dnetlib.broker.objects.OaBrokerMainEntity;
 import eu.dnetlib.dhp.broker.model.Topic;
 import eu.dnetlib.dhp.broker.oa.matchers.UpdateMatcher;
 
 public class EnrichMissingAbstract extends UpdateMatcher<String> {
 
+	private static final int MIN_LENGTH = 200;
+
 	public EnrichMissingAbstract() {
 		super(1,
 			s -> Topic.ENRICH_MISSING_ABSTRACT,
@@ -21,10 +25,15 @@ public class EnrichMissingAbstract extends UpdateMatcher<String> {
 	@Override
 	protected List<String> findDifferences(final OaBrokerMainEntity source, final OaBrokerMainEntity target) {
 		if (isMissing(target.getAbstracts()) && !isMissing(source.getAbstracts())) {
-			return Arrays.asList(source.getAbstracts().get(0));
-		} else {
-			return new ArrayList<>();
+			return source
+				.getAbstracts()
+				.stream()
+				.filter(s -> StringUtils.normalizeSpace(s).length() >= MIN_LENGTH)
+				.map(Arrays::asList)
+				.findFirst()
+				.orElse(new ArrayList<>());
 		}
+		return new ArrayList<>();
 	}
 
 }