Examples with DcatDistributionBuilder org.fao.geonet.index.model.dcat2.DcatDistribution.DcatDistributionBuilder used on opensource projects

Example 1 with DcatDistributionBuilder

use of org.fao.geonet.index.model.dcat2.DcatDistribution.DcatDistributionBuilder in project geonetwork-microservices by geonetwork.

the class DcatConverter method convert.

/**
 * Convert an index document into a DCAT object.
 */
public CatalogRecord convert(JsonNode doc) {
    CatalogRecord catalogRecord = null;
    Dataset dcatDataset = null;
    try {
        IndexRecord record = new ObjectMapper().enable(DeserializationFeature.ACCEPT_SINGLE_VALUE_AS_ARRAY).readValue(doc.get(IndexRecordFieldNames.source).toString(), IndexRecord.class);
        String recordIdentifier = record.getMetadataIdentifier();
        String recordUri = formatterConfiguration.buildLandingPageLink(record.getMetadataIdentifier());
        Optional<ResourceIdentifier> resourceIdentifier = record.getResourceIdentifier().stream().filter(Objects::nonNull).findFirst();
        // TODO: Define strategy to build IRI
        final String resourceIdentifierUri = resourceIdentifier.isPresent() ? "local:" + resourceIdentifier.get().getCode() : null;
        String language = record.getMainLanguage() == null ? defaultLanguage : record.getMainLanguage();
        String languageUpperCase = language.toUpperCase();
        // TODO: Need language mapper
        String iso2letterLanguage = language.substring(0, 2);
        List<String> resourceLanguage = record.getResourceLanguage();
        List<String> resourceType = record.getResourceType();
        boolean isInspireResource = resourceType.contains("dataset") || resourceType.contains("series") || resourceType.contains("service");
        // TODO: Add multilingual support
        // TODO .resource("https://creativecommons.org/publicdomain/zero/1.0/deed")
        DatasetBuilder datasetBuilder = Dataset.builder().identifier(record.getResourceIdentifier().stream().map(c -> c.getCode()).collect(Collectors.toList())).title(listOfNullable(record.getResourceTitle().get(defaultText))).description(listOfNullable(record.getResourceAbstract().get(defaultText))).landingPage(listOfNullable(DcatDocument.builder().foafDocument(FoafDocument.builder().about(formatterConfiguration.buildLandingPageLink(record.getMetadataIdentifier())).title(record.getResourceTitle().get(defaultText)).build()).build())).provenance(record.getResourceLineage().stream().map(l -> Provenance.builder().provenanceStatement(ProvenanceStatement.builder().label(l.get(defaultText)).build()).build()).collect(Collectors.toList())).type(record.getResourceType().stream().map(t -> new RdfResource(null, "dcat:" + RESSOURCE_TYPE_MAPPING.get(t), null)).collect(Collectors.toList())).modified(toDate(record.getChangeDate())).theme(record.getCodelists().get(topic).stream().map(t -> Subject.builder().skosConcept(SkosConcept.builder().prefLabel(t.getProperties().get(defaultText)).build()).build()).collect(Collectors.toList())).theme(record.getTag().stream().map(t -> Subject.builder().skosConcept(SkosConcept.builder().prefLabel(t.get(defaultText)).build()).build()).collect(Collectors.toList()));
        record.getResourceDate().stream().filter(d -> "creation".equals(d.getType())).forEach(d -> datasetBuilder.created(toDate(d.getDate())));
        record.getResourceDate().stream().filter(d -> "publication".equals(d.getType())).forEach(d -> datasetBuilder.issued(toDate(d.getDate())));
        record.getResourceDate().stream().filter(d -> "revision".equals(d.getType())).forEach(d -> datasetBuilder.modified(toDate(d.getDate())));
        // TODO: Convert to meter ?
        datasetBuilder.spatialResolutionInMeters(record.getResolutionScaleDenominator().stream().map(BigDecimal::new).collect(Collectors.toList()));
        // INSPIRE
        if (record.getSpecificationConformance().size() > 0) {
            datasetBuilder.wasUsedBy(record.getSpecificationConformance().stream().map(c -> DcatActivity.builder().activity(// https://github.com/SEMICeu/iso-19139-to-dcat-ap/blob/master/iso-19139-to-dcat-ap.xsl#L837-L840
            ProvActivity.builder().used(new RdfResource(null, resourceIdentifierUri, null)).qualifiedAssociation(ProvQualifiedAssociation.builder().hadPlan(ProvHadPlan.builder().wasDerivedFrom(new RdfResource("Resource", null, null, c.getTitle(), null)).build()).build()).generated(ProvGenerated.builder().type(new RdfResource("http://inspire.ec.europa.eu/metadata-codelist/DegreeOfConformity/" + INSPIRE_DEGREE_OF_CONFORMITY.get(c.getPass()), null)).build()).build()).build()).collect(Collectors.toList()));
        }
        if (record.getResourceLanguage() != null) {
            // TODO: Where to put resource language ?
            datasetBuilder.language(record.getResourceLanguage().stream().map(l -> new RdfResource(null, "http://publications.europa.eu/resource/authority/language/" + l.toUpperCase(), null)).collect(Collectors.toList()));
        }
        ArrayList<Codelist> updateFrequencyList = record.getCodelists().get(Codelists.maintenanceAndUpdateFrequency);
        if (updateFrequencyList != null && updateFrequencyList.size() > 0) {
            datasetBuilder.accrualPeriodicity(new RdfResource(null, ACCRUAL_PERIODICITY_URI_PREFIX + ACCRUAL_PERIODICITY_TO_ISO.get(updateFrequencyList.get(0).getProperties().get(CommonField.key)), null));
        }
        // <dct:spatial rdf:parseType="Resource">
        datasetBuilder.spatial(record.getGeometries().stream().map(g -> DctSpatial.builder().location(DctLocation.builder().geometry(g).build()).build()).collect(Collectors.toList()));
        datasetBuilder.temporal(record.getResourceTemporalExtentDateRange().stream().map(range -> {
            DctPeriodOfTimeBuilder periodOfTime = DctPeriodOfTime.builder();
            if (StringUtils.isNotEmpty(range.getGte())) {
                periodOfTime.startDate(toDate(range.getGte()));
            }
            if (StringUtils.isNotEmpty(range.getLte())) {
                periodOfTime.endDate(toDate(range.getLte()));
            }
            return DctTemporal.builder().periodOfTime(periodOfTime.build()).build();
        }).collect(Collectors.toList()));
        record.getLinks().stream().forEach(link -> {
            DcatDistributionBuilder dcatDistributionBuilder = DcatDistribution.builder().title(listOfNullable(link.getName())).description(listOfNullable(link.getDescription())).representationTechnique(Subject.builder().skosConcept(SkosConcept.builder().prefLabel(link.getProtocol()).build()).build());
            // TODO: depending on function/protocol build page/accessUrl/downloadUrl
            dcatDistributionBuilder.accessUrl(link.getUrl());
            datasetBuilder.distribution(listOfNullable(DcatDistributionContainer.builder().distribution(dcatDistributionBuilder.build()).build()));
        });
        datasetBuilder.contactPoint(record.getContactForResource().stream().map(contact -> DcatContactPoint.builder().contact(VcardContact.builder().title(contact.getOrganisation()).role(contact.getRole()).hasEmail(contact.getEmail()).build()).build()).collect(Collectors.toList()));
        dcatDataset = datasetBuilder.build();
        catalogRecord = CatalogRecord.builder().identifier(listOfNullable(record.getMetadataIdentifier())).created(toDate(record.getCreateDate())).modified(toDate(record.getChangeDate())).language(listOfNullable(new RdfResource(null, "http://publications.europa.eu/resource/authority/language/" + record.getMainLanguage().toUpperCase()))).primaryTopic(listOfNullable(new ResourceContainer(dcatDataset, null))).build();
    } catch (JsonMappingException e) {
        e.printStackTrace();
    } catch (JsonProcessingException e) {
        e.printStackTrace();
    }
    return catalogRecord;
}