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package eu.dnetlib.resolver.parser;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import com.google.common.collect.Lists;
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import com.ximpleware.AutoPilot;
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import com.ximpleware.VTDGen;
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import com.ximpleware.VTDNav;
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import eu.dnetlib.dli.resolver.model.*;
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import eu.dnetlib.resolver.parser.UtilityParser.Node;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Created by sandro on 9/13/16.
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*/
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public class DMFResolverParser extends AbstractResolverParser {
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private static final Log log = LogFactory.getLog(DMFResolverParser.class);
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@Override
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public ResolvedObject parseObject(final String record) {
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try {
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final ResolvedObject parsedObject = new ResolvedObject();
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final VTDGen vg = new VTDGen();
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vg.setDoc(record.getBytes());
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vg.parse(true);
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final VTDNav vn = vg.getNav();
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final AutoPilot ap = new AutoPilot(vn);
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ap.declareXPathNameSpace("dri", "http://www.driver-repository.eu/namespace/dri");
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final String datasourcePrefix = UtilityParser.getSingleValue(ap, vn, "//dri:datasourceprefix");
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ap.declareXPathNameSpace("oaf", "http://namespace.dnet.eu/oaf");
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final String completionStatus = UtilityParser.getSingleValue(ap, vn, "//oaf:completionStatus");
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final String provisionMode = UtilityParser.getSingleValue(ap, vn, "//oaf:provisionMode");
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final ObjectProvenance provenance = new ObjectProvenance();
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provenance.setDatasourceId(datasourcePrefix);
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provenance.setDatasource(datasourcePrefix);
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provenance.setCompletionStatus(completionStatus);
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provenance.setProvisionMode(provisionMode);
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parsedObject.setDatasourceProvenance(Lists.newArrayList(provenance));
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ap.declareXPathNameSpace("datacite", "http://datacite.org/schema/kernel-3");
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final List<Node> identifierType =
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UtilityParser.getTextValuesWithAttributes(ap, vn, "//datacite:identifier", Lists.newArrayList("identifierType"));
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if (identifierType != null && identifierType.size() > 0) {
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final Node result = identifierType.get(0);
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parsedObject.setPid(result.getTextValue());
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parsedObject.setPidType(result.getAttributes().get("identifierType"));
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} else {
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log.debug("Error on parsing record the identifier should not null ");
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return null;
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}
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final List<Node> relations =
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UtilityParser.getTextValuesWithAttributes(ap, vn, "//datacite:relatedIdentifier", Arrays.asList("relatedIdentifierType", "relationType"));
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if (relations != null && relations.size() > 0) {
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final List<ObjectRelation> relationsResult = new ArrayList<>();
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relations.forEach(relationMap -> {
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final String relationType = relationMap.getAttributes().get("relationType");
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final String inverseRelationType = relationMap.getAttributes().get("inverseRelationType");
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final String relatedIdentifierType = relationMap.getAttributes().get("relatedIdentifierType");
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final String relatedPid = relationMap.getTextValue();
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final ObjectRelation currentRelation = new ObjectRelation();
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currentRelation.setTargetPID(new PID(relatedPid, relatedIdentifierType));
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currentRelation.setRelationSemantics(relationType);
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currentRelation.setInverseRelation(inverseRelationType);
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currentRelation.setCompletionStatus(CompletionStatus.incomplete.toString());
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relationsResult.add(currentRelation);
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});
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parsedObject.setRelations(relationsResult);
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}
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final List<Node> subjects = UtilityParser.getTextValuesWithAttributes(ap, vn, "//datacite:subject", Arrays.asList("subjectScheme"));
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if (subjects != null && subjects.size() > 0) {
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final List<SubjectType> subjectResult = new ArrayList<>();
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subjects.forEach(subjectMap -> {
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final SubjectType subject = new SubjectType(subjectMap.getAttributes().get("subjectScheme"), subjectMap.getTextValue());
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subjectResult.add(subject);
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});
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parsedObject.setSubjects(subjectResult);
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}
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parsedObject.setCompletionStatus(completionStatus);
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final List<String> creators = UtilityParser.getTextValue(ap, vn, "//datacite:creator/datacite:creatorName");
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if (creators != null && creators.size() > 0) {
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parsedObject.setAuthors(creators);
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}
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final List<String> titles = UtilityParser.getTextValue(ap, vn, "//datacite:title");
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if (titles != null && titles.size() > 0) {
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parsedObject.setTitles(titles);
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}
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final String type = UtilityParser.getSingleValue(ap, vn, "//datacite:resourceType");
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setType(parsedObject, type);
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final List<String> dates = UtilityParser.getTextValue(ap, vn, "//datacite:dates/date");
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if (dates != null && dates.size() > 0) {
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parsedObject.setDate(dates.get(0));
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}
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return parsedObject;
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} catch (Throwable e) {
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log.error("Error on parsing record " + record, e);
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return null;
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}
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}
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}
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