improved mapping titles from datacite records to consider title types

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/raw/OdfToOafMapper.java

@@ -3,6 +3,7 @@ package eu.dnetlib.dhp.oa.graph.raw;
 
 import static eu.dnetlib.dhp.schema.common.ModelConstants.*;
 import static eu.dnetlib.dhp.schema.oaf.utils.OafMapperUtils.*;
+import static eu.dnetlib.dhp.schema.oaf.utils.OafMapperUtils.structuredProperty;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
@@ -11,8 +12,11 @@ import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
 import org.dom4j.Document;
+import org.dom4j.Element;
 import org.dom4j.Node;
 
+import com.google.common.collect.Lists;
+
 import eu.dnetlib.dhp.common.PacePerson;
 import eu.dnetlib.dhp.common.vocabulary.VocabularyGroup;
 import eu.dnetlib.dhp.schema.oaf.*;
@@ -34,10 +38,25 @@ public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 
 	@Override
 	protected List<StructuredProperty> prepareTitles(final Document doc, final DataInfo info) {
-		return prepareListStructProps(
-			doc,
-			"//*[local-name()='titles']/*[local-name()='title']|//*[local-name()='resource']/*[local-name()='title']",
-			MAIN_TITLE_QUALIFIER, info);
+
+		final List<StructuredProperty> title = Lists.newArrayList();
+		final String xpath = "//*[local-name()='titles']/*[local-name()='title']|//*[local-name()='resource']/*[local-name()='title']";
+
+		for (Object o : doc.selectNodes(xpath)) {
+			Element e = (Element) o;
+			final String titleValue = e.getTextTrim();
+			final String titleType = e.attributeValue("titleType");
+			if (StringUtils.isNotBlank(titleType)) {
+				title
+					.add(
+						structuredProperty(
+							titleValue, titleType, titleType, DNET_DATACITE_TITLE, DNET_DATACITE_TITLE, info));
+			} else {
+				title.add(structuredProperty(titleValue, MAIN_TITLE_QUALIFIER, info));
+			}
+		}
+
+		return title;
 	}
 
 	@Override

dhp-workflows/dhp-graph-mapper/src/test/java/eu/dnetlib/dhp/oa/graph/raw/MappersTest.java

@@ -10,6 +10,7 @@ import java.io.IOException;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.stream.Collectors;
 
 import org.apache.commons.io.IOUtils;
 import org.apache.commons.lang3.StringUtils;
@@ -355,6 +356,25 @@ class MappersTest {
 		assertTrue(r2.getValidated());
 		assertEquals("2020-01-01", r1.getValidationDate());
 		assertEquals("2020-01-01", r2.getValidationDate());
+
+		assertNotNull(d.getTitle());
+		assertEquals(2, d.getTitle().size());
+		verifyTitle(d, "main title", "Temperature and ADCP data collected on Lake Geneva between 2015 and 2017");
+		verifyTitle(d, "Subtitle", "survey");
+	}
+
+	private void verifyTitle(Dataset d, String titleType, String title) {
+		Optional
+			.of(
+				d
+					.getTitle()
+					.stream()
+					.filter(t -> titleType.equals(t.getQualifier().getClassid()))
+					.collect(Collectors.toList()))
+			.ifPresent(t -> {
+				assertEquals(1, t.size());
+				assertEquals(title, t.get(0).getValue());
+			});
 	}
 
 	@Test

dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/odf_dataset.xml

@@ -54,7 +54,8 @@
         </creator>
       </creators>
       <titles>
-        <title>Temperature and ADCP data collected on Lake Geneva between 2015 and 2017</title>
+        <title>Temperature and ADCP data collected on Lake Geneva between 2015 and  2017 </title>
+        <title titleType="Subtitle">survey</title>
       </titles>
       <publisher>Zenodo</publisher>
       <publicationYear>2019</publicationYear>