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package eu.dnetlib.data.transform.xml;
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import java.util.ArrayList;
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import java.util.List;
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import eu.dnetlib.data.proto.*;
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import eu.dnetlib.dli.resolver.model.DLIResolvedObject;
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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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/**
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* Created by sandro on 11/3/16.
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*/
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public class DliToHbaseXsltFunctions extends OafToHbaseXsltFunctions {
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public static String getCompletionStatus(NodeList about) {
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Node dataInfoNode = getDataInfo(about);
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if (dataInfoNode != null && dataInfoNode.getChildNodes() != null && dataInfoNode.getChildNodes().getLength() > 0) {
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for (int i = 0; i < dataInfoNode.getChildNodes().getLength(); i++) {
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final Node currentNode = dataInfoNode.getChildNodes().item(i);
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if ("completionStatus".equals(currentNode.getLocalName())) {
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return currentNode.getTextContent();
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}
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}
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}
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return null;
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}
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public static Node getDataInfo(final NodeList about) {
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if (about.getLength() > 0) {
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final NodeList aboutChildren = about.item(0).getChildNodes();
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for (int i = 0; i < aboutChildren.getLength(); i++) {
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final Node currentNode = aboutChildren.item(i);
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if ("datainfo".equals(currentNode.getLocalName())) {
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return currentNode;
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}
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}
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}
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return null;
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}
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public static String createDNetEntityIdentifier(
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final String pidType,
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final String pid,
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final String namespacePrefix,
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final String typeString) {
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final int typeNumber = TypeProtos.Type.valueOf(typeString).getNumber();
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return createEntityId(pidType, pid, namespacePrefix, "" + typeNumber);
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}
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public static String createSimpleEntity(
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final String pidType,
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final String pid,
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final String namespacePrefix,
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final NodeList about,
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final String type,
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final String completionStatus) {
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try {
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final int typeNumber = TypeProtos.Type.valueOf(type).getNumber();
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final String entityId = pidType.equals("dnet") ? String.format("%d|%s", typeNumber, pid) : createDNetEntityIdentifier(pidType, pid, namespacePrefix, type);
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final DNGFProtos.DNGFEntity.Builder entity = parseAbout(about, completionStatus);
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FieldTypeProtos.StructuredProperty.Builder identifier = FieldTypeProtos.StructuredProperty.newBuilder();
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identifier.setQualifier(getSimpleQualifier(pidType, "dnet:pid_types"));
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identifier.setValue(pid.trim());
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entity.addExtension(DliProtos.typedIdentifier, fixPid(identifier.build()));
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entity.setId(entityId);
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entity.setType(TypeProtos.Type.valueOf(type));
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final DNGFProtos.DNGF oaf = DNGFProtos.DNGF.newBuilder().setEntity(entity).setKind(KindProtos.Kind.entity).build();
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return base64(oaf.toByteArray());
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} catch (Throwable e) {
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throw new RuntimeException(e);
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}
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}
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public static String createEntity(
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final String pidType,
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final String pid,
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final String namespacePrefix,
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final NodeList about,
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final String completionStatus) {
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return createSimpleEntity(pidType, pid, namespacePrefix, about, "" + TypeProtos.Type.unknown, completionStatus);
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}
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public static String createEntity(
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final String pidType,
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final String pid,
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final String namespacePrefix,
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final NodeList about) {
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return createSimpleEntity(pidType, pid, namespacePrefix, about, "" + TypeProtos.Type.unknown, null);
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}
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public static String createEntityId(
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final String pidType,
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final String pid,
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final String namespacePrefix,
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final String type
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) {
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final DLIResolvedObject obj = new DLIResolvedObject();
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obj.setPid(pid);
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obj.setPidType(pidType);
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final String entityId = String.format("%s|%s::%s", type, namespacePrefix, obj.getIdentifier());
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return entityId;
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}
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public static DNGFProtos.DNGFEntity.Builder parseAbout(final NodeList about, final String completionStatusOverride) {
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final DNGFProtos.DNGFEntity.Builder entity = DNGFProtos.DNGFEntity.newBuilder();
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final String completionStatus = getCompletionStatus(about);
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if (StringUtils.isNoneBlank(completionStatusOverride)) {
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entity.setExtension(DliProtos.completionStatus, completionStatusOverride);
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} else if (completionStatus != null) {
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entity.setExtension(DliProtos.completionStatus, completionStatus);
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}
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List<FieldTypeProtos.KeyValue.Builder> collectedFrom = getDatasourceProvenance(about, "collectedFrom", completionStatusOverride);
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if (collectedFrom != null) {
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collectedFrom.forEach(entity::addCollectedfrom);
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}
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return entity;
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}
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public static String createRel(
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final String source,
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final String target,
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final String relationSemantic,
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final String relType,
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final String provenanceAction,
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final String trust,
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final NodeList about) {
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try {
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DNGFProtos.DNGFRel.Builder rel = relProto(source.trim(), target.trim(), relationSemantic, relType);
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List<FieldTypeProtos.KeyValue.Builder> collectedFrom = getDatasourceProvenance(about, "collectedFrom", null);
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if (collectedFrom == null || collectedFrom.isEmpty()) {
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throw new IllegalStateException(String.format("missing provenance information in rel source '%s', target '%s'", source, target));
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}
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collectedFrom.forEach(rel::addCollectedfrom);
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final DNGFProtos.DNGF pmf = getOaf(rel, getDataInfo(about, provenanceAction, trust, false, false));
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return base64(pmf.toByteArray());
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} catch (Throwable e) {
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e.printStackTrace(System.err);
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throw new RuntimeException(e);
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}
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}
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public static List<FieldTypeProtos.KeyValue.Builder> getDatasourceProvenance(NodeList about, final String nodeName, final String completionStatus) {
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Node dataInfoNode = getDataInfo(about);
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if (dataInfoNode != null && dataInfoNode.getChildNodes() != null && dataInfoNode.getChildNodes().getLength() > 0) {
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List<FieldTypeProtos.KeyValue.Builder> result = new ArrayList<>();
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for (int i = 0; i < dataInfoNode.getChildNodes().getLength(); i++) {
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final Node currentNode = dataInfoNode.getChildNodes().item(i);
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if (nodeName.equals(currentNode.getLocalName())) {
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FieldTypeProtos.KeyValue.Builder currentItem = FieldTypeProtos.KeyValue.newBuilder();
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final Node idNode = currentNode.getAttributes().getNamedItem("id");
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final Node nameNode = currentNode.getAttributes().getNamedItem("name");
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final Node completionStatusNode = currentNode.getAttributes().getNamedItem("completionStatus");
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if (idNode != null) {
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currentItem.setKey(idNode.getTextContent());
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}
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if (nameNode != null) {
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currentItem.setValue(nameNode.getTextContent());
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}
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if (completionStatusNode != null) {
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if (StringUtils.isBlank(completionStatus)) {
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currentItem.setExtension(DliFieldTypeProtos.completionStatus, completionStatusNode.getTextContent());
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} else {
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currentItem.setExtension(DliFieldTypeProtos.completionStatus, completionStatus);
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}
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}
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result.add(currentItem);
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}
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}
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return result;
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}
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return null;
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}
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public static FieldTypeProtos.StructuredProperty fixPid(final FieldTypeProtos.StructuredProperty inputPid) {
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if (inputPid == null) {
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return null;
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}
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String pid = inputPid.getValue();
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String pidType = inputPid.getQualifier().getClassid();
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if (StringUtils.isBlank(pid) || StringUtils.isBlank(pidType)) {
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return null;
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}
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pidType = pidType.trim().toLowerCase();
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pid = pid.trim().toLowerCase();
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if ("doi".equals(pidType)) {
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pid = pid.replace("http://dx.doi.org/", "").replace("http://doi.org/", "");
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}
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return getStructuredProperty(pid, pidType, pidType, inputPid.getQualifier().getSchemeid(), inputPid.getQualifier().getSchemename());
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}
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}
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