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package eu.dnetlib.data.transform.xml;
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import com.google.common.collect.Lists;
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import eu.dnetlib.data.graph.model.DNGFRowKeyDecoder;
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import eu.dnetlib.data.proto.*;
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import eu.dnetlib.data.proto.DliProtos;
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import org.apache.commons.lang3.StringUtils;
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import org.w3c.dom.Node;
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import org.w3c.dom.NodeList;
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import java.util.List;
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public class DmfToHbaseXsltFunctions extends DliToHbaseXsltFunctions {
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public static String dliDataset(
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final String resultId,
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final NodeList about,
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final NodeList titles,
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final NodeList subjects,
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final NodeList publisher,
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final NodeList descriptions,
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final NodeList dates,
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final NodeList dateaccepted,
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final NodeList resourceTypes,
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final NodeList formats,
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final NodeList sizes,
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final NodeList languages,
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final NodeList cobjcategory,
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final NodeList creators,
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final NodeList rights,
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final NodeList pidList,
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final String provenance,
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final NodeList aboutNode,
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final NodeList originalIds,
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final String dateOfCollection,
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final String dateOfTransformation,
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final String trust) {
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// final String entityId = DNGFRowKeyDecoder.decode(resultId).getKey();
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final DatasetProtos.Dataset.Builder dataset = DatasetProtos.Dataset.newBuilder();
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DatasetProtos.Dataset.Metadata.Builder metadataProto = DatasetProtos.Dataset.Metadata.newBuilder();
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// subject
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for (int i = 0; i < subjects.getLength(); i++) {
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Node currentNode = subjects.item(i);
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NodeList childNodes = currentNode.getChildNodes();
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if (childNodes.getLength() > 0) {
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String subjectValue = childNodes.item(0).getNodeValue();
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("subject"),
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getStructuredProperty(subjectValue, "keyword", "keyword", "dnet:result_subject", "dnet:result_subject"));
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}
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}
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// title
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manageTitle(titles, metadataProto);
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// description
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for (int i = 0; i < descriptions.getLength(); i++) {
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Node currentNode = descriptions.item(i);
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if (currentNode != null && currentNode.hasChildNodes()) {
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String descriptionValue = currentNode.getChildNodes().item(0).getNodeValue();
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("description"), descriptionValue);
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}
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}
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// contributors
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for (int i = 0; i < creators.getLength(); i++) {
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Node currentNode = creators.item(i);
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if (currentNode != null && currentNode.hasChildNodes()) {
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String contributorValue = currentNode.getChildNodes().item(0).getNodeValue();
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("contributor"), contributorValue);
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}
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}
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// publisher
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("publisher"), getFirstItem(publisher));
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// dates
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manageDate(dates, metadataProto);
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// dateofacceptance
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("dateofacceptance"), getFirstItem(dateaccepted));
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// size
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("size"), getFirstItem(sizes));
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// format
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("format"), getFirstItem(formats));
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// language
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("language"),
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setQualifier(getDefaultQualifier("dnet:languages"), Lists.newArrayList(getFirstItem(languages))));
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dataset.setMetadata(metadataProto);
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DNGFProtos.DNGFEntity.Builder entity = DliToHbaseXsltFunctions.parseAbout(aboutNode, null);
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entity.setType(TypeProtos.Type.dataset).setId(resultId);
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// resultType
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addField(metadataProto, DatasetProtos.Dataset.Metadata.getDescriptor().findFieldByName("resulttype"), getSimpleQualifier(getResourceType(resourceTypes), "dnet:result_typologies"));
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entity.setDataset(dataset);
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List<FieldTypeProtos.StructuredProperty> pids = parsePids(pidList);
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//entity.addAllPid(Iterables.filter(pids, Predicates.notNull()));
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pids.stream().map(DliToHbaseXsltFunctions::fixPid).forEach(pid -> entity.addExtension(DliProtos.typedIdentifier, pid));
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PmfToHbaseXsltFunctions.addResolvedFrom(entity, about);
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final DNGFProtos.DNGF oaf = getOaf(entity, getDataInfo(aboutNode, provenance, trust, false, false));
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return base64(oaf.toByteArray());
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}
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private static String getResourceType(final NodeList resourceTypes) {
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if (resourceTypes.getLength() > 0) {
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String nodeValue = resourceTypes.item(0).getFirstChild().getNodeValue();
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return nodeValue;
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}
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return null;
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}
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public static List<FieldTypeProtos.StructuredProperty> parsePids(final NodeList nodelist) {
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final List<FieldTypeProtos.StructuredProperty> pids = Lists.newArrayList();
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for (int i = 0; i < nodelist.getLength(); i++) {
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final Node node = nodelist.item(i);
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Node pidType = null;
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if (node.getNodeType() == Node.ELEMENT_NODE) {
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if (node.getLocalName().equalsIgnoreCase("identifier")) {
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pidType = node.getAttributes().getNamedItem("identifierType");
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if (node.getTextContent() != null && StringUtils.isNotEmpty(node.getTextContent().trim()))
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pids.add(getStructuredProperty(node.getTextContent(), pidType.getTextContent(), pidType.getTextContent(), "dnet:pid_types",
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"dnet:pid_types"));
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}
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}
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}
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return pids;
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}
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}
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