Implements the logic that maps Dataset Description values to RDA export json file.

dmp-backend/web/src/main/java/eu/eudat/models/data/rda/DatasetRDAExportModel.java

@@ -1,10 +1,21 @@
 package eu.eudat.models.data.rda;
 
+import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import eu.eudat.data.entities.Dataset;
+import eu.eudat.logic.utilities.builders.XmlBuilder;
+import org.json.JSONObject;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
 
-import java.util.Date;
+import javax.xml.xpath.*;
+import java.util.*;
 
 public class DatasetRDAExportModel {
+
+	private static final ObjectMapper mapper = new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);;
+
 	private DatasetIdRDAExportModel dataset_id;
 	private String description;
 	private Date issued; // Created Date, could also use finalized one.
@@ -49,12 +60,85 @@ public class DatasetRDAExportModel {
 		this.title = title;
 	}
 
+	public String getSensitive_data() {
+		return sensitive_data;
+	}
+	public void setSensitive_data(String sensitive_data) {
+		this.sensitive_data = sensitive_data;
+	}
+
+	public String getData_quality_assurance() {
+		return data_quality_assurance;
+	}
+	public void setData_quality_assurance(String data_quality_assurance) {
+		this.data_quality_assurance = data_quality_assurance;
+	}
+
+	public DatasetMetadataRDAExportModel getMetadata() {
+		return metadata;
+	}
+	public void setMetadata(DatasetMetadataRDAExportModel metadata) {
+		this.metadata = metadata;
+	}
+
 
 	public DatasetRDAExportModel fromDataModel(Dataset dataset) {
-		this.title = dataset.getLabel();
-		this.issued = dataset.getCreated();
-		this.language = "en"; // mock data
-		this.dataset_id = new DatasetIdRDAExportModel(dataset.getId().toString(), "argos_internal");
-		return this;
+		// Parsing dataset template definition to create a map of which question of the template corresponds to the RDA common standard. Map: TemplateId -> rdaProperty
+		List<String> rdaPropertiesThatExistOnDatasetTemplate = xmlNodeListFromExpression(dataset.getProfile().getDefinition(), "//rdaCommonStandard/text()");
+		List<String> rdaProperties = new LinkedList<>();
+		for (String item : rdaPropertiesThatExistOnDatasetTemplate) {
+			item = item.replace("dataset.", "");
+			rdaProperties.add(item);
+		}
+		List<String> datasetTemplateIdsWithRdaProperties = xmlNodeListFromExpression(dataset.getProfile().getDefinition(), "//rdaCommonStandard/text()/ancestor::field/@id");
+		Map<String, String> templateIdsToRDAProperties = combineListsIntoOrderedMap(datasetTemplateIdsWithRdaProperties, rdaProperties);
+
+		// Parsing dataset answers from json to map. Map: TemplateId -> datasetValue
+		JSONObject jObject = new JSONObject(dataset.getProperties());
+		Map<String, Object> templateIdsToValues = jObject.toMap();
+
+		// Map: rdaProperty -> datasetValue
+		Map<String, Object> rdaToValue = new HashMap<>();
+		for (String templateId : templateIdsToRDAProperties.keySet()) {
+			if (templateIdsToValues.containsKey(templateId))
+				rdaToValue.put(templateIdsToRDAProperties.get(templateId), templateIdsToValues.get(templateId));
+		}
+
+		DatasetRDAExportModel datasetRDAExportModel = mapper.convertValue(rdaToValue, DatasetRDAExportModel.class);
+		datasetRDAExportModel.title = dataset.getLabel();
+		datasetRDAExportModel.issued = dataset.getCreated();
+		datasetRDAExportModel.language = "en"; // mock data;
+		datasetRDAExportModel.dataset_id = new DatasetIdRDAExportModel(dataset.getId().toString(), "argos_internal");
+
+		return datasetRDAExportModel;
+	}
+
+	private List<String> xmlNodeListFromExpression(String xml, String expression) {
+		List<String> valuesList = new LinkedList<>();
+		Document document = XmlBuilder.fromXml(xml);
+		XPathFactory xpathFactory = XPathFactory.newInstance();
+		XPath xpath = xpathFactory.newXPath();
+		try {
+			XPathExpression expr = xpath.compile(expression);
+			NodeList nodeList = (NodeList) expr.evaluate(document, XPathConstants.NODESET);
+			for (int i = 0; i < nodeList.getLength(); i++) {
+				Node node = nodeList.item(i);
+				valuesList.add(node.getNodeValue());
+			}
+		} catch (XPathExpressionException e) {
+			e.printStackTrace();
+		}
+
+		return valuesList;
+	}
+
+	private Map<String,String> combineListsIntoOrderedMap (List<String> keys, List<String> values) {
+		if (keys.size() != values.size())
+			throw new IllegalArgumentException ("Cannot combine lists with dissimilar sizes");
+		Map<String,String> map = new LinkedHashMap<>();
+		for (int i=0; i<keys.size(); i++) {
+			map.put(keys.get(i), values.get(i));
+		}
+		return map;
 	}
 }

dmp-backend/web/src/main/resources/RDACommonStandards.txt

@@ -29,3 +29,18 @@ project.funding.funder_id.funder_id_type
 project.funding.grant_id
 project.funding.grant_id.grant_id
 project.funding.grant_id.grant_id_type
+dataset
+dataset.title
+dataset.type
+dataset.personal_data
+dataset.sensitive_data
+dataset.dataset_id
+dataset.dataset_id.dataset_id
+dataset.dataset_id.dataset_id_type
+dataset.metadata
+dataset.metadata.language
+dataset.metadata.metadata_id
+dataset.metadata.metadata_id.metadata_id
+dataset.metadata.metadata_id.metadata_id_type
+dataset.security_and_privacy
+dataset.security_and_privacy.title