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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.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.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 9/29/16.
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*/
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public class ScholixResolverParser extends AbstractResolverParser {
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private static final Log log = LogFactory.getLog(ScholixResolverParser.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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List<Node> provenances =
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UtilityParser.getTextValuesWithAttributes(ap, vn, "//oaf:collectedFrom", Arrays.asList("completionStatus", "id", "name"));
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final List<ObjectProvenance> provenanceList = new ArrayList<>();
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if (provenances != null) {
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provenances.forEach(it -> {
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final ObjectProvenance provenance = new ObjectProvenance();
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provenance.setDatasourceId(it.getAttributes().get("id"));
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provenance.setDatasource(it.getAttributes().get("name"));
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provenance.setCompletionStatus(it.getAttributes().get("completionStatus"));
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provenance.setProvisionMode("collected");
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provenanceList.add(provenance);
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});
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}
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parsedObject.setDatasourceProvenance(provenanceList);
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parsedObject.setCompletionStatus(completionStatus);
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ap.declareXPathNameSpace("scholix", "http://www.scholix.org");
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List<Node> sourcePid = UtilityParser.getTextValuesWithAttributes(ap, vn, "//*[local-name()='source']/*[local-name()='pid']", Arrays.asList("type"));
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if (sourcePid == null || sourcePid.size() == 0) {
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return null;
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}
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List<Node> targetPid = UtilityParser.getTextValuesWithAttributes(ap, vn, "//*[local-name()='target']/*[local-name()='pid']", Arrays.asList("type"));
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if (targetPid == null || targetPid.size() == 0) {
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return null;
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}
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parsedObject.setPid(sourcePid.get(0).getTextValue());
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parsedObject.setPidType(sourcePid.get(0).getAttributes().get("type"));
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List<String> sourceTypes = UtilityParser.getTextValue(ap, vn, "//*[local-name()='source']/*[local-name()='type']");
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List<String> targetTypes = UtilityParser.getTextValue(ap, vn, "//*[local-name()='target']/*[local-name()='type']");
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if (sourceTypes != null && sourceTypes.size() > 0) {
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parsedObject.setType(ObjectType.valueOf(sourceTypes.get(0)));
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}
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List<String> relationType = UtilityParser.getTextValue(ap, vn, "//*[local-name()='relationType']");
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String relationSemantic = null;
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if (relationType != null && relationType.size() > 0) {
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relationSemantic = relationType.get(0);
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}
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if (sourceTypes != null && sourceTypes.size() > 0) {
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parsedObject.setType(ObjectType.valueOf(sourceTypes.get(0)));
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}
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final List<ObjectRelation> relations = new ArrayList<>();
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ObjectRelation relation = new ObjectRelation();
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relation.setCompletionStatus(CompletionStatus.incomplete.toString());
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relation.setRelationProvenance(parsedObject.getDatasourceProvenance());
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relation.setRelationSemantics(relationSemantic);
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relation.setTargetPID(new PID(targetPid.get(0).getTextValue(), targetPid.get(0).getAttributes().get("type")));
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if (targetTypes != null || targetTypes.size() > 0)
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relation.setTargetType(ObjectType.valueOf(targetTypes.get(0)));
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relations.add(relation);
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parsedObject.setRelations(relations);
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return parsedObject;
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} catch (Throwable e) {
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log.error("Error on parsing parser");
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}
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return null;
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}
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}
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