D-Net

package eu.dnetlib.data.collector.plugins.schemaorg;

import org.w3c.dom.Attr;

import org.w3c.dom.Document;

import org.w3c.dom.Element;

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamResult;

import java.io.StringWriter;

import java.time.LocalDate;

import java.time.format.DateTimeFormatter;

import java.util.Calendar;

import java.util.Date;

import java.util.List;

public class DatasetDocument {

	private List<Identifier> identifiers;

	private List<Creator> creators;

	private List<String> titles;

	private List<String> alternativeTitles;

	private List<String> publishers;

	private List<LocalDate> publicationDates;

	private List<String> subjects;

	private List<Contributor> contributors;

	private List<LocalDate> createdDates;

	private List<LocalDate> updatedDates;

	private List<String> languages;

	private List<ResourceType> resourceTypes;

	private List<AlternateIdentifier> alternateIdentifier;

	private List<Citation> citations;

	private List<String> sizes;

	private List<String> format;

	private List<String> version;

	private List<License> licenses;

	private List<String> descriptions;

	private List<String> disambiguatingDescriptions;

	private List<SpatialCoverage> geoLocations;

	public List<Identifier> getIdentifiers() {

		return identifiers;

	}

	public void setIdentifiers(List<Identifier> identifiers) {

		this.identifiers = identifiers;

	}

	public List<Creator> getCreators() {

		return creators;

	}

	public void setCreators(List<Creator> creators) {

		this.creators = creators;

	}

	public List<String> getTitles() {

		return titles;

	}

	public void setTitles(List<String> titles) {

		this.titles = titles;

	}

	public List<String> getAlternativeTitles() {

		return alternativeTitles;

	}

	public void setAlternativeTitles(List<String> alternativeTitles) {

		this.alternativeTitles = alternativeTitles;

	}

	public List<String> getPublishers() {

		return publishers;

	}

	public void setPublishers(List<String> publishers) {

		this.publishers = publishers;

	}

	public List<LocalDate> getPublicationDates() {

		return publicationDates;

	}

	public void setPublicationDates(List<LocalDate> publicationDates) {

		this.publicationDates = publicationDates;

	}

	public List<String> getSubjects() {

		return subjects;

	}

	public void setSubjects(List<String> subjects) {

		this.subjects = subjects;

	}

	public List<Contributor> getContributors() {

		return contributors;

	}

	public void setContributors(List<Contributor> contributors) {

		this.contributors = contributors;

	}

	public List<LocalDate> getCreatedDates() {

		return createdDates;

	}

	public void setCreatedDates(List<LocalDate> createdDates) {

		this.createdDates = createdDates;

	}

	public List<LocalDate> getUpdatedDates() {

		return updatedDates;

	}

	public void setUpdatedDates(List<LocalDate> updatedDates) {

		this.updatedDates = updatedDates;

	}

	public List<String> getLanguages() {

		return languages;

	}

	public void setLanguages(List<String> languages) {

		this.languages = languages;

	}

	public List<ResourceType> getResourceTypes() {

		return resourceTypes;

	}

	public void setResourceTypes(List<ResourceType> resourceTypes) {

		this.resourceTypes = resourceTypes;

	}

	public List<AlternateIdentifier> getAlternateIdentifier() {

		return alternateIdentifier;

	}

	public void setAlternateIdentifier(List<AlternateIdentifier> alternateIdentifier) {

		this.alternateIdentifier = alternateIdentifier;

	}

	public List<Citation> getCitations() {

		return citations;

	}

	public void setCitations(List<Citation> citations) {

		this.citations = citations;

	}

	public List<String> getSizes() {

		return sizes;

	}

	public void setSizes(List<String> sizes) {

		this.sizes = sizes;

	}

	public List<String> getFormat() {

		return format;

	}

	public void setFormat(List<String> format) {

		this.format = format;

	}

	public List<String> getVersion() {

		return version;

	}

	public void setVersion(List<String> version) {

		this.version = version;

	}

	public List<License> getLicenses() {

		return licenses;

	}

	public void setLicenses(List<License> licenses) {

		this.licenses = licenses;

	}

	public List<String> getDescriptions() {

		return descriptions;

	}

	public void setDescriptions(List<String> descriptions) {

		this.descriptions = descriptions;

	}

	public List<String> getDisambiguatingDescriptions() {

		return disambiguatingDescriptions;

	}

	public void setDisambiguatingDescriptions(List<String> disambiguatingDescriptions) {

		this.disambiguatingDescriptions = disambiguatingDescriptions;

	}

	public List<SpatialCoverage> getGeoLocations() {

		return geoLocations;

	}

	public void setGeoLocations(List<SpatialCoverage> geoLocations) {

		this.geoLocations = geoLocations;

	}

	private  static String emptyXml;

	private  static Object lockEmptyXml = new Object();

	public static String emptyXml() {

		if(DatasetDocument.emptyXml!=null) return DatasetDocument.emptyXml;

		String xml = null;

		try {

			DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

			DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

			Document doc = docBuilder.newDocument();

			Element root = doc.createElement("dataset");

			doc.appendChild(root);

			TransformerFactory tf = TransformerFactory.newInstance();

			Transformer transformer = tf.newTransformer();

			StringWriter writer = new StringWriter();

			transformer.transform(new DOMSource(doc), new StreamResult(writer));

			xml = writer.getBuffer().toString();

		}catch(Exception ex){

			xml = "<dataset/>";

		}

		synchronized (DatasetDocument.lockEmptyXml) {

			if (DatasetDocument.emptyXml == null) DatasetDocument.emptyXml = xml;

		}

		return DatasetDocument.emptyXml;

	}

	public String toXml() throws Exception {

		DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();

		DocumentBuilder docBuilder = docFactory.newDocumentBuilder();

		Document doc = docBuilder.newDocument();

		Element root = doc.createElement("dataset");

		doc.appendChild(root);

		if(this.identifiers!=null){

			for(Identifier item : this.identifiers){

				item.toXml(root);

			}

		}

		if(this.creators!=null){

			Element creators = doc.createElement("creators");

			root.appendChild(creators);

			for(Creator item : this.creators){

				item.toXml(creators);

			}

		}

		if(this.titles!=null || this.alternativeTitles!=null){

			Element titles = doc.createElement("titles");

			root.appendChild(titles);

			if(this.titles!=null) {

				for (String item : this.titles) {

					Element title = doc.createElement("title");

					titles.appendChild(title);

					title.appendChild(doc.createTextNode(item));

				}

			}

			if(this.alternativeTitles!=null) {

				for (String item : this.alternativeTitles) {

					Element title = doc.createElement("title");

					titles.appendChild(title);

					title.setAttribute("titleType", "AlternativeTitle");

					title.appendChild(doc.createTextNode(item));

				}

			}

		}

		if(this.publishers!=null){

			for(String item : this.publishers){

				Element publisher = doc.createElement("publisher");

				root.appendChild(publisher);

				publisher.appendChild(doc.createTextNode(item));

			}

		}

		if(this.publicationDates!=null){

			for(LocalDate item : this.publicationDates){

				Element publicationYear = doc.createElement("publicationYear");

				root.appendChild(publicationYear);

				publicationYear.appendChild(doc.createTextNode(Integer.toString(item.getYear())));

			}

		}

		if(this.subjects!=null){

			Element subjects = doc.createElement("subjects");

			root.appendChild(subjects);

			for(String item : this.subjects){

				Element subject = doc.createElement("subject");

				subjects.appendChild(subject);

				subject.appendChild(doc.createTextNode(item));

			}

		}

		if(this.contributors!=null){

			for(Contributor item : this.contributors){

				item.toXml(root);

			}

		}

		if(this.createdDates!=null || this.updatedDates!=null){

			Element dates = doc.createElement("dates");

			root.appendChild(dates);

			DateTimeFormatter formatter = DateTimeFormatter.ofPattern("YYYY-MM-DD");

			if(createdDates!=null) {

				for (LocalDate item : this.createdDates) {

					Element date = doc.createElement("date");

					root.appendChild(date);

					date.setAttribute("dateType", "Created");

					date.appendChild(doc.createTextNode(item.format(formatter)));

				}

			}

			if(updatedDates!=null) {

				for (LocalDate item : this.updatedDates) {

					Element date = doc.createElement("date");

					root.appendChild(date);

					date.setAttribute("dateType", "Updated");

					date.appendChild(doc.createTextNode(item.format(formatter)));

				}

			}

		}

		if(this.languages!=null){

			for(String item : this.languages){

				Element language = doc.createElement("language");

				root.appendChild(language);

				language.appendChild(doc.createTextNode(item));

			}

		}

		if(this.resourceTypes!=null){

			for(ResourceType item : this.resourceTypes){

				item.toXml(root);

			}

		}

		if(this.alternateIdentifier!=null){

			Element alternateIdentifiers = doc.createElement("alternateIdentifiers");

			root.appendChild(alternateIdentifiers);

			for(AlternateIdentifier item : this.alternateIdentifier){

				item.toXml(alternateIdentifiers);

			}

		}

		if(this.citations!=null){

			for(Citation item : this.citations){

				item.toXml(root);

			}

		}

		if(this.sizes!=null){

			Element sizes = doc.createElement("sizes");

			root.appendChild(sizes);

			for(String item : this.sizes){

				Element size = doc.createElement("size");

				sizes.appendChild(size);

				size.appendChild(doc.createTextNode(item));

			}

		}

		if(this.format!=null){

			Element formats = doc.createElement("formats");

			root.appendChild(formats);

			for(String item : this.format){

				Element format = doc.createElement("format");

				formats.appendChild(format);

				format.appendChild(doc.createTextNode(item));

			}

		}

		if(this.version!=null){

			for(String item : this.version){

				Element version = doc.createElement("version");

				root.appendChild(version);

				version.appendChild(doc.createTextNode(item));

			}

		}

		if(this.licenses!=null){

			Element rightsList = doc.createElement("rightsList");

			root.appendChild(rightsList);

			for(License item : this.licenses){

				item.toXml(rightsList);

			}

		}

		if(this.descriptions!=null || this.disambiguatingDescriptions!=null){

			Element descriptions = doc.createElement("descriptions");

			root.appendChild(descriptions);

			if(this.descriptions!=null) {

				for (String item : this.descriptions) {

					Element description = doc.createElement("description");

					descriptions.appendChild(description);

					description.setAttribute("descriptionType", "Abstract");

					description.appendChild(doc.createTextNode(item));

				}

			}

			if(this.disambiguatingDescriptions!=null) {

				for (String item : this.disambiguatingDescriptions) {

					Element description = doc.createElement("description");

					descriptions.appendChild(description);

					description.setAttribute("descriptionType", "Other");

					description.appendChild(doc.createTextNode(item));

				}

			}

		}

		if(this.geoLocations!=null){

			Element geoLocations = doc.createElement("geoLocations");

			root.appendChild(geoLocations);

			for(SpatialCoverage item : this.geoLocations){

				item.toXml(geoLocations);

			}

		}

		TransformerFactory tf = TransformerFactory.newInstance();

		Transformer transformer = tf.newTransformer();

		StringWriter writer = new StringWriter();

		transformer.transform(new DOMSource(doc), new StreamResult(writer));

		String xml = writer.getBuffer().toString();

		return xml;

	}

	public static class SpatialCoverage{

		public static class Point{

			public String latitude;

			public String longitude;

			public Point() {}

			public Point(String latitude, String longitude){

				this.latitude = latitude;

				this.longitude = longitude;

			}

		}

		public String name;

		public List<Point> points;

		public List<String> boxes;

		public SpatialCoverage() {}

		public SpatialCoverage(String name, List<Point> points, List<String> boxes ) {

			this.name = name;

			this.points = points;

			this.boxes = boxes;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("geoLocation");

			parent.appendChild(node);

			if(this.points!=null) {

				for(Point point : this.points) {

					if(point.latitude == null || point.longitude == null) continue;

					Element geoLocationPoint = parent.getOwnerDocument().createElement("geoLocationPoint");

					geoLocationPoint.appendChild(parent.getOwnerDocument().createTextNode(String.format("%s %s", point.latitude, point.longitude)));

					node.appendChild(geoLocationPoint);

				}

			}

			if(this.boxes!=null) {

				for(String box : this.boxes) {

					if(box == null) continue;

					Element geoLocationBox = parent.getOwnerDocument().createElement("geoLocationBox");

					geoLocationBox.appendChild(parent.getOwnerDocument().createTextNode(box));

					node.appendChild(geoLocationBox);

				}

			}

			if(this.name!=null) {

				Element geoLocationPlace = parent.getOwnerDocument().createElement("geoLocationPlace");

				geoLocationPlace.appendChild(parent.getOwnerDocument().createTextNode(this.name));

				node.appendChild(geoLocationPlace);

			}

		}

	}

	public static class License{

		public String name;

		public String url;

		public License() {}

		public License(String name, String url) {

			this.name = name;

			this.url = url;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("rights");

			parent.appendChild(node);

			if(this.url!=null) {

				node.setAttribute("rightsURI", this.url);

			}

			if(this.name!=null) {

				node.appendChild(parent.getOwnerDocument().createTextNode(this.name));

			}

		}

	}

	public static class Citation{

		public enum CitationIdentifierType{

			ARK, arXiv, bibcode, DOI, EAN13, EISSN, Handle, ISBN, ISSN, ISTC, LISSN, LSID, PMID,

			PURL, UPC, URL, URN

		}

		public CitationIdentifierType type;

		public String value;

		public Citation() {}

		public Citation(String value, CitationIdentifierType type) {

			this.value = value;

			this.type = type;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("relatedIdentifier");

			parent.appendChild(node);

			node.setAttribute("relatedIdentifierType", this.type.toString());

			node.setAttribute("relationType", "Cites");

			node.appendChild(parent.getOwnerDocument().createTextNode(this.value));

		}

	}

	public static class Contributor{

		public enum ContributorType{

			ContactPerson, DataCollector, DataCurator, DataManager, Distributor, Editor, Funder, HostingInstitution,

			Producer, ProjectLeader, ProjectManager, ProjectMember, RegistrationAgency, RegistrationAuthority,

			RelatedPerson, Researcher, ResearchGroup, RightsHolder, Sponsor, Supervisor, WorkPackageLeader, Other

		}

		public String name;

		public List<String> affiliations;

		public ContributorType type;

		public Contributor() {

		}

		public Contributor(String name) {

			this.name = name;

		}

		public Contributor(String name, List<String> affiliations) {

			this.name = name;

			this.affiliations = affiliations;

		}

		public Contributor(String name, List<String> affiliations, ContributorType type) {

			this.name = name;

			this.affiliations = affiliations;

			this.type = type;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("contributor");

			parent.appendChild(node);

			node.setAttribute("contributorType", this.type.toString());

			if(this.name!=null) {

				Element contributorName = parent.getOwnerDocument().createElement("contributorName");

				node.appendChild(contributorName);

				contributorName.appendChild(parent.getOwnerDocument().createTextNode(this.name));

			}

			if(this.affiliations!=null) {

				for(String item : this.affiliations) {

					Element affiliation = parent.getOwnerDocument().createElement("affiliation");

					node.appendChild(affiliation);

					affiliation.appendChild(parent.getOwnerDocument().createTextNode(item));

				}

			}

		}

	}

	public static class AlternateIdentifier{

		public String identifier;

		public String type;

		public AlternateIdentifier() {}

		public AlternateIdentifier(String identifier, String type) {

			this.identifier = identifier;

			this.type = type;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("alternateIdentifier");

			parent.appendChild(node);

			if(this.type!=null) {

				node.setAttribute("alternateIdentifierType", this.type);

			}

			if(this.identifier!=null) {

				node.appendChild(parent.getOwnerDocument().createTextNode(this.identifier));

			}

		}

	}

	public static class ResourceType{

		public enum ResourceTypeGeneralType {

			Audiovisual, Collection, Dataset, Event, Image, InteractiveResource, Model, PhysicalObject, Service,

			Software, Sound, Text, Workflow, Other

		}

		public ResourceTypeGeneralType type;

		public ResourceType() {}

		public ResourceType(ResourceTypeGeneralType type) {

			this.type = type;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("resourceType");

			parent.appendChild(node);

			if(this.type!=null) {

				node.setAttribute("resourceTypeGeneral", this.type.toString());

			}

		}

	}

	public static class Creator {

		public String name;

		public List<String> affiliations;

		public Creator() {

		}

		public Creator(String name) {

			this.name = name;

		}

		public Creator(String name, List<String> affiliations) {

			this.name = name;

			this.affiliations = affiliations;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("creator");

			parent.appendChild(node);

			if(this.name!=null) {

				Element creatorName = parent.getOwnerDocument().createElement("creatorName");

				node.appendChild(creatorName);

				creatorName.appendChild(parent.getOwnerDocument().createTextNode(this.name));

			}

			if(this.affiliations!=null) {

				for(String item : this.affiliations) {

					Element affiliation = parent.getOwnerDocument().createElement("affiliation");

					node.appendChild(affiliation);

					affiliation.appendChild(parent.getOwnerDocument().createTextNode(item));

				}

			}

		}

	}

	public static class Identifier {

		public enum IdentifierType {

			ARK, DOI, Handle, PURL, URN, URL

		}

		public String value;

		public IdentifierType type;

		public Identifier() {

		}

		public Identifier(IdentifierType type, String value) {

			this.type = type;

			this.value = value;

		}

		public void toXml(Element parent){

			Element node = parent.getOwnerDocument().createElement("identifier");

			parent.appendChild(node);

			node.setAttribute("identifierType", this.type.toString());

			if(this.value!=null) {

				node.appendChild(parent.getOwnerDocument().createTextNode(this.value));

			}

		}

	}

}