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ImportDDIServiceBean.java
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ImportDDIServiceBean.java
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package edu.harvard.iq.dataverse.api.imports;
import edu.harvard.iq.dataverse.DatasetFieldConstant;
import edu.harvard.iq.dataverse.DatasetFieldServiceBean;
import edu.harvard.iq.dataverse.DatasetFieldType;
import edu.harvard.iq.dataverse.DatasetVersion;
import edu.harvard.iq.dataverse.DatasetVersion.VersionState;
import edu.harvard.iq.dataverse.api.dto.*;
import edu.harvard.iq.dataverse.api.dto.FieldDTO;
import edu.harvard.iq.dataverse.api.dto.MetadataBlockDTO;
import edu.harvard.iq.dataverse.api.imports.ImportUtil.ImportType;
import static edu.harvard.iq.dataverse.export.ddi.DdiExportUtil.NOTE_TYPE_CONTENTTYPE;
import static edu.harvard.iq.dataverse.export.ddi.DdiExportUtil.NOTE_TYPE_TERMS_OF_ACCESS;
import edu.harvard.iq.dataverse.util.StringUtil;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.StringReader;
import java.util.*;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import jakarta.ejb.EJB;
import jakarta.ejb.EJBException;
import jakarta.ejb.Stateless;
import javax.xml.stream.XMLStreamConstants;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLInputFactory;
import org.apache.commons.lang3.StringUtils;
/**
*
* @author ellenk
*/
// TODO:
// does this need to be a service bean/stateless? - could be transformed into
// a util with static methods.
// (it would need to be passed the fields service beans as arguments)
// -- L.A. 4.5
@Stateless
public class ImportDDIServiceBean {
public static final String SOURCE_DVN_3_0 = "DVN_3_0";
public static final String NAMING_PROTOCOL_HANDLE = "hdl";
public static final String NAMING_PROTOCOL_DOI = "doi";
public static final String AGENCY_HANDLE = "handle";
public static final String AGENCY_DOI = "DOI";
public static final String AGENCY_DARA = "dara"; // da|ra - http://www.da-ra.de/en/home/
public static final String REPLICATION_FOR_TYPE = "replicationFor";
public static final String VAR_WEIGHTED = "wgtd";
public static final String VAR_INTERVAL_CONTIN = "contin";
public static final String VAR_INTERVAL_DISCRETE = "discrete";
public static final String CAT_STAT_TYPE_FREQUENCY = "freq";
public static final String VAR_FORMAT_TYPE_NUMERIC = "numeric";
public static final String VAR_FORMAT_SCHEMA_ISO = "ISO";
public static final String EVENT_START = "start";
public static final String EVENT_END = "end";
public static final String EVENT_SINGLE = "single";
public static final String LEVEL_DVN = "dvn";
public static final String LEVEL_DV = "dv";
public static final String LEVEL_STUDY = "study";
public static final String LEVEL_FILE = "file";
public static final String LEVEL_VARIABLE = "variable";
public static final String LEVEL_CATEGORY = "category";
public static final String NOTE_TYPE_UNF = "VDC:UNF";
public static final String NOTE_SUBJECT_UNF = "Universal Numeric Fingerprint";
public static final String NOTE_TYPE_TERMS_OF_USE = "DVN:TOU";
public static final String NOTE_SUBJECT_TERMS_OF_USE = "Terms Of Use";
public static final String NOTE_TYPE_CITATION = "DVN:CITATION";
public static final String NOTE_SUBJECT_CITATION = "Citation";
public static final String NOTE_TYPE_VERSION_NOTE = "DVN:VERSION_NOTE";
public static final String NOTE_SUBJECT_VERSION_NOTE= "Version Note";
public static final String NOTE_TYPE_ARCHIVE_NOTE = "DVN:ARCHIVE_NOTE";
public static final String NOTE_SUBJECT_ARCHIVE_NOTE= "Archive Note";
public static final String NOTE_TYPE_ARCHIVE_DATE = "DVN:ARCHIVE_DATE";
public static final String NOTE_SUBJECT_ARCHIVE_DATE= "Archive Date";
public static final String NOTE_TYPE_EXTENDED_METADATA = "DVN:EXTENDED_METADATA";
public static final String NOTE_TYPE_LOCKSS_CRAWL = "LOCKSS:CRAWLING";
public static final String NOTE_SUBJECT_LOCKSS_PERM = "LOCKSS Permission";
public static final String NOTE_TYPE_REPLICATION_FOR = "DVN:REPLICATION_FOR";
private static final String HARVESTED_FILE_STORAGE_PREFIX = "http://";
private XMLInputFactory xmlInputFactory = null;
private static final Logger logger = Logger.getLogger(ImportDDIServiceBean.class.getName());
@EJB CustomFieldServiceBean customFieldService;
@EJB DatasetFieldServiceBean datasetFieldService;
@EJB ImportGenericServiceBean importGenericService;
// TODO: stop passing the xml source as a string; (it could be huge!) -- L.A. 4.5
// TODO: what L.A. Said.
public DatasetDTO doImport(ImportType importType, String xmlToParse) throws XMLStreamException, ImportException {
xmlInputFactory = javax.xml.stream.XMLInputFactory.newInstance();
xmlInputFactory.setProperty("javax.xml.stream.isCoalescing", java.lang.Boolean.TRUE); DatasetDTO datasetDTO = this.initializeDataset();
// Read docDescr and studyDesc into DTO objects.
// TODO: the fileMap is likely not needed.
Map<String, String> fileMap = mapDDI(importType, xmlToParse, datasetDTO);
return datasetDTO;
}
public void importFileMetadata(DatasetVersion dv, String xmlToParse) {
}
private boolean isHarvestImport(ImportType importType) {
return importType.equals(ImportType.HARVEST);
}
private boolean isNewImport(ImportType importType) {
return importType.equals(ImportType.NEW);
}
public Map<String, String> mapDDI(ImportType importType, String xmlToParse, DatasetDTO datasetDTO) throws XMLStreamException, ImportException {
Map<String, String> filesMap = new HashMap<>();
StringReader reader = new StringReader(xmlToParse);
XMLStreamReader xmlr = null;
XMLInputFactory xmlFactory = javax.xml.stream.XMLInputFactory.newInstance();
xmlFactory.setProperty("javax.xml.stream.isCoalescing", true); // allows the parsing of a CDATA segment into a single event
xmlr = xmlFactory.createXMLStreamReader(reader);
processDDI(importType, xmlr, datasetDTO, filesMap);
return filesMap;
}
public Map<String, String> mapDDI(ImportType importType, File ddiFile, DatasetDTO datasetDTO ) throws ImportException {
FileInputStream in = null;
XMLStreamReader xmlr = null;
Map<String, String> filesMap = new HashMap<>();
try {
in = new FileInputStream(ddiFile);
xmlr = xmlInputFactory.createXMLStreamReader(in);
processDDI(importType, xmlr, datasetDTO , filesMap );
} catch (FileNotFoundException ex) {
Logger.getLogger("global").log(Level.SEVERE, null, ex);
throw new EJBException("ERROR occurred in mapDDI: File Not Found!");
} catch (XMLStreamException ex) {
Logger.getLogger("global").log(Level.SEVERE, null, ex);
throw new EJBException("ERROR occurred in mapDDI.", ex);
} finally {
try {
if (xmlr != null) { xmlr.close(); }
} catch (XMLStreamException ex) {}
try {
if (in != null) { in.close();}
} catch (IOException ex) {}
}
return filesMap;
}
private void processDDI(ImportType importType, XMLStreamReader xmlr, DatasetDTO datasetDTO, Map<String, String> filesMap) throws XMLStreamException, ImportException {
// make sure we have a codeBook
//while ( xmlr.next() == XMLStreamConstants.COMMENT ); // skip pre root comments
try {
xmlr.nextTag();
xmlr.require(XMLStreamConstants.START_ELEMENT, null, "codeBook");
} catch( XMLStreamException e) {
throw new XMLStreamException("It doesn't start with the XML element <codeBook>");
}
//Include metadataLanguage from an xml:lang attribute if present (null==undefined)
String metadataLanguage= xmlr.getAttributeValue("http://www.w3.org/XML/1998/namespace", "lang");
logger.fine("Found metadatalanguage in ddi xml: " + metadataLanguage);
datasetDTO.setMetadataLanguage(metadataLanguage);
// Some DDIs provide an ID in the <codeBook> section.
// We are going to treat it as just another otherId.
// (we've seen instances where this ID was the only ID found in
// in a harvested DDI).
String codeBookLevelId = xmlr.getAttributeValue(null, "ID");
// (but first we will parse and process the entire DDI - and only
// then add this codeBook-level id to the list of identifiers; i.e.,
// we don't want it to be the first on the list, if one or more
// ids are available in the studyDscr section - those should take
// precedence!)
// In fact, we should only use these IDs when no ID is available down
// in the study description section!
processCodeBook(importType, xmlr, datasetDTO, filesMap);
MetadataBlockDTO citationBlock = datasetDTO.getDatasetVersion().getMetadataBlocks().get("citation");
if (codeBookLevelId != null && !codeBookLevelId.isEmpty()) {
if (citationBlock.getField("otherId")==null) {
// this means no ids were found during the parsing of the
// study description section. we'll use the one we found in
// the codeBook entry:
FieldDTO otherIdValue = FieldDTO.createPrimitiveFieldDTO("otherIdValue", codeBookLevelId);
FieldDTO otherId = FieldDTO.createCompoundFieldDTO("otherId", otherIdValue);
citationBlock.getFields().add(otherId);
}
}
if (isHarvestImport(importType)) {
datasetDTO.getDatasetVersion().setVersionState(VersionState.RELEASED);
}
else {
datasetDTO.getDatasetVersion().setVersionState(VersionState.DRAFT);
}
}
public DatasetDTO initializeDataset() {
DatasetDTO datasetDTO = new DatasetDTO();
DatasetVersionDTO datasetVersionDTO = new DatasetVersionDTO();
datasetDTO.setDatasetVersion(datasetVersionDTO);
HashMap<String, MetadataBlockDTO> metadataBlocks = new HashMap<>();
datasetVersionDTO.setMetadataBlocks(metadataBlocks);
datasetVersionDTO.getMetadataBlocks().put("citation", new MetadataBlockDTO());
datasetVersionDTO.getMetadataBlocks().get("citation").setFields(new ArrayList<>());
datasetVersionDTO.getMetadataBlocks().put("socialscience", new MetadataBlockDTO());
datasetVersionDTO.getMetadataBlocks().get("socialscience").setFields(new ArrayList<>());
datasetVersionDTO.getMetadataBlocks().put("geospatial", new MetadataBlockDTO());
datasetVersionDTO.getMetadataBlocks().get("geospatial").setFields(new ArrayList<>());
return datasetDTO;
}
// Read the XMLStream, and populate datasetDTO and filesMap
private void processCodeBook(ImportType importType, XMLStreamReader xmlr, DatasetDTO datasetDTO, Map<String, String> filesMap) throws XMLStreamException, ImportException {
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("docDscr")) {
processDocDscr(xmlr, datasetDTO);
} else if (xmlr.getLocalName().equals("stdyDscr")) {
processStdyDscr(importType, xmlr, datasetDTO);
} else if (xmlr.getLocalName().equals("otherMat") && (isNewImport(importType) || isHarvestImport(importType)) ) {
processOtherMat(xmlr, datasetDTO);
} else if (xmlr.getLocalName().equals("fileDscr") && isHarvestImport(importType)) {
// If this is a harvesting import, we'll attempt to extract some minimal
// file-level metadata information from the fileDscr sections as well.
// TODO: add more info here... -- 4.6
processFileDscrMinimal(xmlr, datasetDTO);
} else if (xmlr.getLocalName().equals("fileDscr") && isNewImport(importType)) {
// this is a "full" fileDscr section - Dataverses use it
// to encode *tabular* files only. It will contain the information
// about variables, observations, etc. It will be complemented
// by a number of <var> entries in the dataDscr section.
// Dataverses do not use this section for harvesting exports, since
// we don't harvest tabular metadata. And all the "regular"
// file-level metadata is encoded in otherMat sections.
// The goal is to one day be able to import such tabular
// metadata using the direct (non-harvesting) import API.
// EMK TODO: add this back in for ImportType.NEW
//processFileDscr(xmlr, datasetDTO, filesMap);
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("codeBook")) return;
}
}
}
private void processDocDscr(XMLStreamReader xmlr, DatasetDTO datasetDTO) throws XMLStreamException {
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("IDNo") && StringUtil.isEmpty(datasetDTO.getIdentifier()) ) {
// this will set a StudyId if it has not yet been set; it will get overridden by a metadata
// id in the StudyDscr section, if one exists
if ( AGENCY_HANDLE.equals( xmlr.getAttributeValue(null, "agency") ) ) {
importGenericService.reassignIdentifierAsGlobalId( parseText(xmlr), datasetDTO );
}
// EMK TODO: we need to save this somewhere when we add harvesting infrastructure
} /*else if ( xmlr.getLocalName().equals("holdings") && StringUtil.isEmpty(datasetDTO..getHarvestHoldings()) ) {
metadata.setHarvestHoldings( xmlr.getAttributeValue(null, "URI") );
}*/
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("docDscr")) return;
}
}
}
private String parseText(XMLStreamReader xmlr) throws XMLStreamException {
return parseText(xmlr,true);
}
private String parseText(XMLStreamReader xmlr, boolean scrubText) throws XMLStreamException {
String tempString = getElementText(xmlr);
if (scrubText) {
tempString = tempString.trim().replace('\n',' ');
}
return tempString;
}
private String parseDate (XMLStreamReader xmlr, String endTag) throws XMLStreamException {
String date = xmlr.getAttributeValue(null, "date");
if (date == null) {
date = parseText(xmlr);
}
return date;
}
/* We had to add this method because the ref getElementText has a bug where it
* would append a null before the text, if there was an escaped apostrophe; it appears
* that the code finds an null ENTITY_REFERENCE in this case which seems like a bug;
* the workaround for the moment is to comment or handling ENTITY_REFERENCE in this case
*/
private String getElementText(XMLStreamReader xmlr) throws XMLStreamException {
if(xmlr.getEventType() != XMLStreamConstants.START_ELEMENT) {
throw new XMLStreamException("parser must be on START_ELEMENT to read next text", xmlr.getLocation());
}
int eventType = xmlr.next();
StringBuilder content = new StringBuilder();
while(eventType != XMLStreamConstants.END_ELEMENT ) {
if(eventType == XMLStreamConstants.CHARACTERS
|| eventType == XMLStreamConstants.CDATA
|| eventType == XMLStreamConstants.SPACE
/* || eventType == XMLStreamConstants.ENTITY_REFERENCE*/) {
content.append(xmlr.getText());
} else if(eventType == XMLStreamConstants.PROCESSING_INSTRUCTION
|| eventType == XMLStreamConstants.COMMENT
|| eventType == XMLStreamConstants.ENTITY_REFERENCE) {
// skipping
} else if(eventType == XMLStreamConstants.END_DOCUMENT) {
throw new XMLStreamException("unexpected end of document when reading element text content");
} else if(eventType == XMLStreamConstants.START_ELEMENT) {
throw new XMLStreamException("element text content may not contain START_ELEMENT", xmlr.getLocation());
} else {
throw new XMLStreamException("Unexpected event type "+eventType, xmlr.getLocation());
}
eventType = xmlr.next();
}
return content.toString();
}
private void processStdyDscr(ImportType importType, XMLStreamReader xmlr, DatasetDTO datasetDTO) throws XMLStreamException, ImportException {
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("citation")) processCitation(importType, xmlr, datasetDTO);
else if (xmlr.getLocalName().equals("stdyInfo")) processStdyInfo(xmlr, datasetDTO.getDatasetVersion());
else if (xmlr.getLocalName().equals("method")) processMethod(xmlr, datasetDTO.getDatasetVersion());
else if (xmlr.getLocalName().equals("dataAccs")) processDataAccs(xmlr, datasetDTO.getDatasetVersion());
else if (xmlr.getLocalName().equals("notes")) processStdyNotes(xmlr, datasetDTO.getDatasetVersion());
else if (xmlr.getLocalName().equals("othrStdyMat")) processOthrStdyMat(xmlr, datasetDTO.getDatasetVersion());
else if (xmlr.getLocalName().equals("notes")) processNotes(xmlr, datasetDTO.getDatasetVersion());
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("stdyDscr")) return;
}
}
}
private void processOthrStdyMat(XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException {
List<HashSet<FieldDTO>> publications = new ArrayList<>();
boolean replicationForFound = false;
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("relMat")) {
// this code is still here to handle imports from old DVN created ddis
if (!replicationForFound && REPLICATION_FOR_TYPE.equals(xmlr.getAttributeValue(null, "type"))) {
if (!SOURCE_DVN_3_0.equals(xmlr.getAttributeValue(null, "source"))) {
// this is a ddi from pre 3.0, so we should add a publication
/* StudyRelPublication rp = new StudyRelPublication();
metadata.getStudyRelPublications().add(rp);
rp.setMetadata(metadata);
rp.setText( parseText( xmlr, "relMat" ) );
rp.setReplicationData(true);
replicationForFound = true;*/
HashSet<FieldDTO> set = new HashSet<>();
addToSet(set, DatasetFieldConstant.publicationCitation, parseText(xmlr, "relMat"));
if (!set.isEmpty()) {
publications.add(set);
}
if (publications.size()>0)
getCitation(dvDTO).addField(FieldDTO.createMultipleCompoundFieldDTO(DatasetFieldConstant.publication, publications));
}
} else {
List<String> relMaterial = new ArrayList<>();
relMaterial.add(parseText(xmlr, "relMat"));
getCitation(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO(DatasetFieldConstant.relatedMaterial, relMaterial));
}
}
else if (xmlr.getLocalName().equals("relStdy")) {
List<String> relStudy = new ArrayList<>();
relStudy.add(parseText(xmlr, "relStdy"));
getCitation(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO(DatasetFieldConstant.relatedDatasets, relStudy));
} else if (xmlr.getLocalName().equals("relPubl")) {
processRelPubl(xmlr, dvDTO, publications);
} else if (xmlr.getLocalName().equals("othRefs")) {
List<String> otherRefs = new ArrayList<>();
otherRefs.add(parseText(xmlr, "othRefs"));
getCitation(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO(DatasetFieldConstant.otherReferences, otherRefs));
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (publications.size()>0) {
getCitation(dvDTO).addField(FieldDTO.createMultipleCompoundFieldDTO(DatasetFieldConstant.publication, publications));
}
if (xmlr.getLocalName().equals("othrStdyMat")) {
return;
}
}
}
}
private void processRelPubl(XMLStreamReader xmlr, DatasetVersionDTO dvDTO, List<HashSet<FieldDTO>> publications) throws XMLStreamException {
HashSet<FieldDTO> set = new HashSet<>();
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("citation")) {
for (int event2 = xmlr.next(); event2 != XMLStreamConstants.END_DOCUMENT; event2 = xmlr.next()) {
if (event2 == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("titlStmt")) {
int event3 = xmlr.next();
if (event3 == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("IDNo")) {
set.add(FieldDTO.createVocabFieldDTO(DatasetFieldConstant.publicationIDType, xmlr.getAttributeValue(null, "agency")));
addToSet(set, DatasetFieldConstant.publicationIDNumber, parseText(xmlr));
}
}
} else if (xmlr.getLocalName().equals("biblCit")) {
if (event2 == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("biblCit")) {
addToSet(set, DatasetFieldConstant.publicationCitation, parseText(xmlr));
}
}
}
} else if (event2 == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("citation")) {
break;
}
}
}
} else if (xmlr.getLocalName().equals("ExtLink")) {
addToSet(set, DatasetFieldConstant.publicationURL, xmlr.getAttributeValue(null, "URI"));
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("relPubl")) {
if (set.size() > 0) {
publications.add(set);
}
return;
}
}
}
}
private void processCitation(ImportType importType, XMLStreamReader xmlr, DatasetDTO datasetDTO) throws XMLStreamException, ImportException {
DatasetVersionDTO dvDTO = datasetDTO.getDatasetVersion();
MetadataBlockDTO citation=datasetDTO.getDatasetVersion().getMetadataBlocks().get("citation");
boolean distStatementProcessed = false;
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("titlStmt")) processTitlStmt(xmlr, datasetDTO);
else if (xmlr.getLocalName().equals("rspStmt")) processRspStmt(xmlr,citation);
else if (xmlr.getLocalName().equals("prodStmt")) processProdStmt(xmlr,citation);
else if (xmlr.getLocalName().equals("distStmt")) {
if (distStatementProcessed) {
// We've already encountered one Distribution Statement in
// this citation, we'll just skip any consecutive ones.
// This is a defensive check against duplicate distStmt
// in some DDIs (notably, from ICPSR)
} else {
processDistStmt(xmlr,citation);
distStatementProcessed = true;
}
}
else if (xmlr.getLocalName().equals("serStmt")) processSerStmt(xmlr,citation);
else if (xmlr.getLocalName().equals("verStmt")) processVerStmt(importType, xmlr,dvDTO);
else if (xmlr.getLocalName().equals("notes")) {
String _note = parseNoteByType( xmlr, NOTE_TYPE_UNF );
if (_note != null) {
datasetDTO.getDatasetVersion().setUNF( parseUNF( _note ) );
} else {
processNotes(xmlr,dvDTO);
}
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("citation")) return;
}
}
}
/**
*
*
* @param xmlr
* @param citation
* @throws XMLStreamException
*/
private void processStdyInfo(XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException {
List<HashSet<FieldDTO>> descriptions = new ArrayList<>();
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("subject")) {
processSubject(xmlr, getCitation(dvDTO));
} else if (xmlr.getLocalName().equals("abstract")) {
HashSet<FieldDTO> set = new HashSet<>();
addToSet(set,"dsDescriptionDate", xmlr.getAttributeValue(null, "date"));
Map<String, String> dsDescriptionDetails = parseCompoundText(xmlr, "abstract");
addToSet(set,"dsDescriptionValue", dsDescriptionDetails.get("name"));
if (!set.isEmpty()) {
descriptions.add(set);
}
} else if (xmlr.getLocalName().equals("sumDscr")) processSumDscr(xmlr, dvDTO);
else if (xmlr.getLocalName().equals("notes")) processNotes(xmlr,dvDTO);
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("stdyInfo") ) {
if (descriptions.size()>0) {
getCitation(dvDTO).getFields().add(FieldDTO.createMultipleCompoundFieldDTO("dsDescription", descriptions));
}
return;
}
}
}
}
private void processSubject(XMLStreamReader xmlr, MetadataBlockDTO citation) throws XMLStreamException {
List<HashSet<FieldDTO>> keywords = new ArrayList<>();
List<HashSet<FieldDTO>> topicClasses = new ArrayList<>();
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("keyword")) {
HashSet<FieldDTO> set = new HashSet<>();
addToSet(set,"keywordVocabulary", xmlr.getAttributeValue(null, "vocab"));
addToSet(set, "keywordVocabularyURI", xmlr.getAttributeValue(null, "vocabURI") );
addToSet(set,"keywordValue", parseText(xmlr));
if (!set.isEmpty()) {
keywords.add(set);
}
} else if (xmlr.getLocalName().equals("topcClas")) {
HashSet<FieldDTO> set = new HashSet<>();
addToSet(set,"topicClassVocab", xmlr.getAttributeValue(null, "vocab"));
addToSet(set,"topicClassVocabURI", xmlr.getAttributeValue(null, "vocabURI") );
addToSet(set,"topicClassValue",parseText(xmlr));
if (!set.isEmpty()) {
topicClasses.add(set);
}
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("subject")) {
if (keywords.size()>0) {
citation.getFields().add(FieldDTO.createMultipleCompoundFieldDTO("keyword", keywords));
}
if (topicClasses.size()>0) {
citation.getFields().add(FieldDTO.createMultipleCompoundFieldDTO("topicClassification", topicClasses));
}
return;
}
} else {
// citation.getFields().add(FieldDTO.createPrimitiveFieldDTO( "subject",xmlr.getElementText()));
}
}
}
/**
* Process the notes portion of the DDI doc -- if there is one
* Return a formatted string
*
* @param xmlr
* @return
*/
private String formatNotesfromXML(XMLStreamReader xmlr) throws XMLStreamException{
if (xmlr==null){
throw new NullPointerException("XMLStreamReader xmlr cannot be null");
}
//System.out.println("formatNotesfromXML");
// Initialize array of strings
List<String> noteValues = new ArrayList<>();
String attrVal;
// Check for "subject"
attrVal = xmlr.getAttributeValue(null, "subject");
if (attrVal != null){
noteValues.add("Subject: " + attrVal);
}
// Check for "type"
attrVal = xmlr.getAttributeValue(null, "type");
if (attrVal != null){
noteValues.add("Type: " + attrVal);
}
// Add notes, if they exist
attrVal = parseText(xmlr, "notes");
if ((attrVal != null) && (!attrVal.isEmpty())){
noteValues.add("Notes: " + attrVal);
}
// Nothing to add
if (noteValues.isEmpty()){
//System.out.println("nuthin'");
return null;
}
//System.out.println(StringUtils.join(noteValues, " ") + ";");
return StringUtils.join(noteValues, " ") + ";";
/*
Examples of xml:
<notes type="Statistics" subject="Babylon"> </notes>
<notes type="Note Type" subject="Note Subject">Note Text</notes>
<notes type="Note Type 2" subject="Note Subject 2">Note Text 2</notes>
<notes>Note Text 3</notes>
*/
/*
// Original, changed b/c of string 'null' appearing in final output
String note = " Subject: "+xmlr.getAttributeValue(null, "subject")+" "
+ " Type: "+xmlr.getAttributeValue(null, "type")+" "
+ " Notes: "+parseText(xmlr, "notes")+";";
addNote(note, dvDTO);
*/
}
private void processNotes (XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException {
String formattedNotes = this.formatNotesfromXML(xmlr);
if (formattedNotes != null){
this.addNote(formattedNotes, dvDTO);
}
}
private void processStdyNotes(XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException {
FieldDTO notesText = null;
// Add notes, if they exist
String attrVal = parseText(xmlr, "notes");
if ((attrVal != null) && (!attrVal.isEmpty())){
notesText = FieldDTO.createPrimitiveFieldDTO("datasetLevelErrorNotes", attrVal);
getSocialScience(dvDTO).addField(notesText);
}
}
private void processNotesSocialScience(XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException {
//String formattedNotes = this.formatNotesfromXML(xmlr);
if (xmlr==null){
throw new NullPointerException("XMLStreamReader xmlr cannot be null");
}
FieldDTO notesSubject = null;
String attrVal;
// Check for "subject"
attrVal = xmlr.getAttributeValue(null, "subject");
if (attrVal != null){
notesSubject = FieldDTO.createPrimitiveFieldDTO("socialScienceNotesSubject", attrVal);
}
FieldDTO notesType = null;
// Check for "type"
attrVal = xmlr.getAttributeValue(null, "type");
if (attrVal != null){
notesType = FieldDTO.createPrimitiveFieldDTO("socialScienceNotesType", attrVal);
}
FieldDTO notesText = null;
// Add notes, if they exist
attrVal = parseText(xmlr, "notes");
if ((attrVal != null) && (!attrVal.isEmpty())){
notesText = FieldDTO.createPrimitiveFieldDTO("socialScienceNotesText", attrVal);
}
if (notesSubject != null || notesType != null || notesText != null ){
//this.addNoteSocialScience(formattedNotes, dvDTO);
getSocialScience(dvDTO).addField(FieldDTO.createCompoundFieldDTO("socialScienceNotes", notesSubject, notesType, notesText ));
}
}
private void addNote(String noteText, DatasetVersionDTO dvDTO ) {
MetadataBlockDTO citation = getCitation(dvDTO);
FieldDTO field = citation.getField("notesText");
if (field==null) {
field = FieldDTO.createPrimitiveFieldDTO("notesText", "");
citation.getFields().add(field);
}
String noteValue = field.getSinglePrimitive();
noteValue+= noteText;
field.setSinglePrimitive(noteValue);
}
private void processSumDscr(XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException {
List<String> geoUnit = new ArrayList<>();
List<String> unitOfAnalysis = new ArrayList<>();
List<String> universe = new ArrayList<>();
List<String> kindOfData = new ArrayList<>();
List<HashSet<FieldDTO>> geoBoundBox = new ArrayList<>();
List<HashSet<FieldDTO>> geoCoverages = new ArrayList<>();
List<FieldDTO> timePeriod = new ArrayList<>();
List<FieldDTO> dateOfCollection = new ArrayList<>();
FieldDTO timePeriodStart = null;
FieldDTO timePeriodEnd = null;
FieldDTO dateOfCollectionStart = null;
FieldDTO dateOfCollectionEnd = null;
HashSet<FieldDTO> geoCoverageSet = null;
String otherGeographicCoverage = null;
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("timePrd")) {
String eventAttr = xmlr.getAttributeValue(null, "event");
if (eventAttr == null || EVENT_SINGLE.equalsIgnoreCase(eventAttr) || EVENT_START.equalsIgnoreCase(eventAttr)) {
timePeriodStart = FieldDTO.createPrimitiveFieldDTO("timePeriodCoveredStart", parseDate(xmlr, "timePrd"));
} else if (EVENT_END.equals(eventAttr)) {
timePeriodEnd = FieldDTO.createPrimitiveFieldDTO("timePeriodCoveredEnd", parseDate(xmlr, "timePrd"));
timePeriod.add(FieldDTO.createMultipleCompoundFieldDTO("timePeriodCovered", timePeriodStart, timePeriodEnd));
}
} else if (xmlr.getLocalName().equals("collDate")) {
String eventAttr = xmlr.getAttributeValue(null, "event");
if (eventAttr == null || EVENT_SINGLE.equalsIgnoreCase(eventAttr) || EVENT_START.equalsIgnoreCase(eventAttr)) {
dateOfCollectionStart = FieldDTO.createPrimitiveFieldDTO("dateOfCollectionStart", parseDate(xmlr, "collDate"));
} else if (EVENT_END.equals(eventAttr)) {
dateOfCollectionEnd = FieldDTO.createPrimitiveFieldDTO("dateOfCollectionEnd", parseDate(xmlr, "collDate"));
dateOfCollection.add(FieldDTO.createMultipleCompoundFieldDTO("dateOfCollection", dateOfCollectionStart, dateOfCollectionEnd ));
}
} else if (xmlr.getLocalName().equals("nation")) {
if (otherGeographicCoverage != null && !otherGeographicCoverage.equals("")) {
geoCoverageSet.add(FieldDTO.createPrimitiveFieldDTO("otherGeographicCoverage", otherGeographicCoverage));
otherGeographicCoverage = null;
}
if (geoCoverageSet != null && geoCoverageSet.size() > 0) {
geoCoverages.add(geoCoverageSet);
}
geoCoverageSet = new HashSet<>();
//HashSet<FieldDTO> set = new HashSet<>();
//set.add(FieldDTO.createVocabFieldDTO("country", parseText(xmlr)));
geoCoverageSet.add(FieldDTO.createVocabFieldDTO("country", parseText(xmlr)));
} else if (xmlr.getLocalName().equals("geogCover")) {
if (geoCoverageSet == null) {
geoCoverageSet = new HashSet<>();
}
if (otherGeographicCoverage != null) {
otherGeographicCoverage = otherGeographicCoverage + "; " + parseText(xmlr);
} else {
otherGeographicCoverage = parseText(xmlr);
}
} else if (xmlr.getLocalName().equals("geogUnit")) {
geoUnit.add(parseText(xmlr));
} else if (xmlr.getLocalName().equals("geoBndBox")) {
geoBoundBox.add(processGeoBndBox(xmlr));
} else if (xmlr.getLocalName().equals("anlyUnit")) {
unitOfAnalysis.add(parseText(xmlr, "anlyUnit"));
} else if (xmlr.getLocalName().equals("universe")) {
universe.add(parseText(xmlr, "universe"));
} else if (xmlr.getLocalName().equals("dataKind")) {
kindOfData.add(parseText(xmlr));
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("sumDscr")) {
for (FieldDTO time : timePeriod) {
getCitation(dvDTO).addField( time);
}
for (FieldDTO date : dateOfCollection) {
getCitation(dvDTO).addField(date);
}
if (geoUnit.size() > 0) {
getGeospatial(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO("geographicUnit", geoUnit));
}
if (unitOfAnalysis.size() > 0) {
getSocialScience(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO("unitOfAnalysis", unitOfAnalysis));
}
if (universe.size() > 0) {
getSocialScience(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO("universe", universe));
}
if (kindOfData.size() > 0) {
getCitation(dvDTO).addField(FieldDTO.createMultiplePrimitiveFieldDTO("kindOfData", kindOfData));
}
if (otherGeographicCoverage != null && !otherGeographicCoverage.equals("") ) {
geoCoverageSet.add(FieldDTO.createPrimitiveFieldDTO("otherGeographicCoverage", otherGeographicCoverage));
}
if (geoCoverageSet != null && geoCoverageSet.size() > 0) {
geoCoverages.add(geoCoverageSet);
}
if (geoCoverages.size() > 0) {
getGeospatial(dvDTO).addField(FieldDTO.createMultipleCompoundFieldDTO(DatasetFieldConstant.geographicCoverage, geoCoverages));
}
if (geoBoundBox.size()>0) {
getGeospatial(dvDTO).addField(FieldDTO.createMultipleCompoundFieldDTO("geographicBoundingBox", geoBoundBox));
}
return ;
}
}
}
}
private HashSet<FieldDTO> processGeoBndBox(XMLStreamReader xmlr) throws XMLStreamException {
HashSet<FieldDTO> set = new HashSet<>();
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("westBL")) {
addToSet(set,"westLongitude", parseText(xmlr));
} else if (xmlr.getLocalName().equals("eastBL")) {
addToSet(set,"eastLongitude", parseText(xmlr));
} else if (xmlr.getLocalName().equals("southBL")) {
addToSet(set,"southLatitude", parseText(xmlr));
} else if (xmlr.getLocalName().equals("northBL")) {
addToSet(set,"northLatitude", parseText(xmlr));
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("geoBndBox")) break;
}
}
return set;
}
private void processMethod(XMLStreamReader xmlr, DatasetVersionDTO dvDTO ) throws XMLStreamException, ImportException {
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
if (xmlr.getLocalName().equals("dataColl")) {
processDataColl(xmlr, dvDTO);
} else if (xmlr.getLocalName().equals("notes")) {
String noteType = xmlr.getAttributeValue(null, "type");
if (NOTE_TYPE_EXTENDED_METADATA.equalsIgnoreCase(noteType) ) {
processCustomField(xmlr, dvDTO);
} else {
processNotesSocialScience(xmlr, dvDTO);
}
} else if (xmlr.getLocalName().equals("anlyInfo")) {
processAnlyInfo(xmlr, getSocialScience(dvDTO));
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("method")) return;
}
}
}
private void processCustomField(XMLStreamReader xmlr, DatasetVersionDTO dvDTO) throws XMLStreamException, ImportException {
String subject = xmlr.getAttributeValue(null, "subject");
if (!subject.isEmpty()) {
// Syntax of subject attribute:
// TEMPLATE:Contains Custom Fields;FIELD:Customfield1
// first parse by semicolon
String template = subject.substring(subject.indexOf(":") + 1, subject.indexOf(";"));
String sourceField = subject.substring(subject.lastIndexOf(":") + 1);
String fieldValue = parseText(xmlr);
CustomFieldMap map = customFieldService.findByTemplateField(template.trim(), sourceField.trim());
if (map == null) {
throw new ImportException("Did not find mapping for template: "+template+", sourceField: "+sourceField);
}
if (map.getTargetDatasetField().endsWith("#IGNORE")) {
// if the target field is #IGNORE, that means we don't want to
// copy this field from 3.6 to 4.0
return;
}
// 1. Get datasetFieldType for the targetField
// 2. find the metadatablock for this field type
// 3. If this metadatablock doesn't exist in DTO, create it
// 4. add field to mdatadatablock
DatasetFieldType dsfType = datasetFieldService.findByName(map.getTargetDatasetField());
if (dsfType == null) {
throw new ImportException("Did not find datasetField for target: " + map.getTargetDatasetField());
}
String metadataBlockName = dsfType.getMetadataBlock().getName();
MetadataBlockDTO customBlock = dvDTO.getMetadataBlocks().get(metadataBlockName);
if (customBlock == null) {
customBlock = new MetadataBlockDTO();
customBlock.setDisplayName(metadataBlockName);
dvDTO.getMetadataBlocks().put(metadataBlockName, customBlock);
}
if (dsfType.isChild()) {
handleChildField(customBlock, dsfType, fieldValue);
} else {
if (dsfType.isAllowMultiples()) {
List<String> valList = new ArrayList<>();
valList.add(fieldValue);
if (dsfType.isAllowControlledVocabulary()) {
customBlock.addField(FieldDTO.createMultipleVocabFieldDTO(dsfType.getName(), valList));
} else if (dsfType.isPrimitive()) {
customBlock.addField(FieldDTO.createMultiplePrimitiveFieldDTO(dsfType.getName(), valList));
} else {
throw new ImportException("Unsupported custom field type: " + dsfType);
}
} else {
if (dsfType.isAllowControlledVocabulary()) {
customBlock.addField(FieldDTO.createVocabFieldDTO(dsfType.getName(), fieldValue));
} else if (dsfType.isPrimitive()) {
customBlock.addField(FieldDTO.createPrimitiveFieldDTO(dsfType.getName(), fieldValue));
} else {
throw new ImportException("Unsupported custom field type: " + dsfType);
}
}
}
}
}
private void handleChildField(MetadataBlockDTO customBlock, DatasetFieldType dsfType, String fieldValue) throws ImportException {
DatasetFieldType parent = dsfType.getParentDatasetFieldType();
// Create child Field
FieldDTO child = null;
if (dsfType.isAllowControlledVocabulary()) {
child = FieldDTO.createVocabFieldDTO(dsfType.getName(), fieldValue);
} else if (dsfType.isPrimitive()) {
child = FieldDTO.createPrimitiveFieldDTO(dsfType.getName(), fieldValue);
} else {
throw new ImportException("Unsupported custom child field type: " + dsfType);
}
// Create compound field with this child as its only element
FieldDTO compound = null;
if (parent.isAllowMultiples()) {
compound = FieldDTO.createMultipleCompoundFieldDTO(parent.getName(), child);
} else {
compound = FieldDTO.createCompoundFieldDTO(parent.getName(), child);
}
customBlock.addField(compound);
}
private void processSources(XMLStreamReader xmlr, MetadataBlockDTO citation) throws XMLStreamException {
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
// citation dataSources
String parsedText;
if (xmlr.getLocalName().equals("dataSrc")) {
parsedText = parseText( xmlr, "dataSrc" );
if (!parsedText.isEmpty()) {
citation.addField(FieldDTO.createMultiplePrimitiveFieldDTO("dataSources", Arrays.asList(parsedText)));
}
// citation originOfSources
} else if (xmlr.getLocalName().equals("srcOrig")) {
parsedText = parseText( xmlr, "srcOrig" );
if (!parsedText.isEmpty()) {
citation.getFields().add(FieldDTO.createPrimitiveFieldDTO("originOfSources", parsedText));
}
// citation characteristicOfSources
} else if (xmlr.getLocalName().equals("srcChar")) {
parsedText = parseText( xmlr, "srcChar" );
if (!parsedText.isEmpty()) {
citation.getFields().add(FieldDTO.createPrimitiveFieldDTO("characteristicOfSources", parsedText));
}
// citation accessToSources
} else if (xmlr.getLocalName().equals("srcDocu")) {
parsedText = parseText( xmlr, "srcDocu" );
if (!parsedText.isEmpty()) {
citation.getFields().add(FieldDTO.createPrimitiveFieldDTO("accessToSources", parsedText));
}
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("sources")) return;
}
}
}
private void processAnlyInfo(XMLStreamReader xmlr, MetadataBlockDTO socialScience) throws XMLStreamException {
for (int event = xmlr.next(); event != XMLStreamConstants.END_DOCUMENT; event = xmlr.next()) {
if (event == XMLStreamConstants.START_ELEMENT) {
// socialscience responseRate
if (xmlr.getLocalName().equals("respRate")) {
socialScience.getFields().add(FieldDTO.createPrimitiveFieldDTO("responseRate", parseText( xmlr, "respRate" )));
// socialscience samplingErrorEstimates
} else if (xmlr.getLocalName().equals("EstSmpErr")) {
socialScience.getFields().add(FieldDTO.createPrimitiveFieldDTO("samplingErrorEstimates", parseText( xmlr, "EstSmpErr" )));
// socialscience otherDataAppraisal
} else if (xmlr.getLocalName().equals("dataAppr")) {
socialScience.getFields().add(FieldDTO.createPrimitiveFieldDTO("otherDataAppraisal", parseText( xmlr, "dataAppr" )));
}
} else if (event == XMLStreamConstants.END_ELEMENT) {
if (xmlr.getLocalName().equals("anlyInfo")) return;
}
}
}