import ch.eth.sis.rocrate.SchemaFacade; import ch.eth.sis.rocrate.facade.*; import edu.kit.datamanager.ro_crate.writer.FolderWriter; import java.io.Serializable; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; public class QuickStart { private static final String PREFIX = ""; private static final String SEPARATOR = ":"; public static void main(String[] args) { /* Setting up an RO-Crate with the schema facade */ ISchemaFacade schemaFacade = new SchemaFacade("name", "description", "2024-12-04T07:53:11Z", "licenceIdentifier", Map.of()); Type personType = new Type(); { personType.setId(PREFIX + SEPARATOR + "Person"); personType.setOntologicalAnnotations(List.of("https://schema.org/Person")); { PropertyType personId = new PropertyType(); personId.setId(PREFIX + SEPARATOR + "personid"); personId.setTypes(List.of(LiteralType.STRING)); personType.addProperty(personId); } { PropertyType givenName = new PropertyType(); givenName.setId(PREFIX + SEPARATOR + "givenName"); givenName.setOntologicalAnnotations(List.of("https://schema.org/givenName")); givenName.setTypes(List.of(LiteralType.STRING)); personType.addProperty(givenName); } { PropertyType givenName = new PropertyType(); givenName.setId(PREFIX + SEPARATOR + "familyName"); givenName.setOntologicalAnnotations(List.of("https://schema.org/familyName")); givenName.setTypes(List.of(LiteralType.STRING)); personType.addProperty(givenName); } { PropertyType identifier = new PropertyType(); identifier.setId(PREFIX + SEPARATOR + "identifier"); identifier.setOntologicalAnnotations(List.of("https://schema.org/identifier")); identifier.setTypes(List.of(LiteralType.STRING)); personType.addProperty(identifier); } schemaFacade.addType(personType); } /* Building our Experiment type */ { Type experimentType = new Type(); experimentType.setId(PREFIX + SEPARATOR + "Experiment"); { PropertyType experimentId = new PropertyType(); experimentId.setId(PREFIX + SEPARATOR + "experimentid"); experimentId.setTypes(List.of(LiteralType.STRING)); experimentType.addProperty(experimentId); } { PropertyType creator = new PropertyType(); creator.setId(PREFIX + SEPARATOR + "creator"); creator.setOntologicalAnnotations(List.of("https://schema.org/creator")); creator.addType(personType); experimentType.addProperty(creator); } { PropertyType name = new PropertyType(); name.setId(PREFIX + SEPARATOR + "name"); name.setTypes(List.of(LiteralType.STRING)); experimentType.addProperty(name); } { PropertyType date = new PropertyType(); date.setId(PREFIX + SEPARATOR + "date"); date.setTypes(List.of(LiteralType.DATETIME)); experimentType.addProperty(date); } schemaFacade.addType(experimentType); } { MetadataEntry personAndreas = new MetadataEntry(); personAndreas.setId("PERSON1"); Map properties = new LinkedHashMap<>(); properties.put("givenname", "Andreas"); properties.put("lastname", "Meier"); properties.put("identifier", "https://orcid.org/0009-0002-6541-4637"); personAndreas.setProps(properties); schemaFacade.addEntry(personAndreas); MetadataEntry personJuan = new MetadataEntry(); personAndreas.setId("PERSON2"); Map properties2 = new LinkedHashMap<>(); properties2.put("givenname", "Andreas"); properties2.put("lastname", "Meier"); properties2.put("identifier", "https://orcid.org/0009-0002-6541-4637"); personAndreas.setProps(properties2); schemaFacade.addEntry(personJuan); MetadataEntry experiment1 = new MetadataEntry(); experiment1.setId("EXPERIMENT1"); experiment1.setReferences(Map.of("creator", List.of(personAndreas.getId()))); Map propertiesExperiment = new LinkedHashMap<>(); propertiesExperiment.put("name", "Example Experiment"); propertiesExperiment.put("date", "2025-09-08 08:41:50.000"); // ISO 8601 experiment1.setProps(propertiesExperiment); schemaFacade.addEntry(experiment1); } FolderWriter folderWriter = new FolderWriter(); folderWriter.save(schemaFacade.getCrate(), "/tmp/example-crate"); } }