public static void main(String[] args) {
/*
* This example recreates the SKOS dataset in Example2.java, but does so using some convenience methods in fewer lines of code
*
*/
try {
SKOSManager manager = new SKOSManager();
final String baseURI = "http://www.semanticweb.org/skos/example2.rdf";
SKOSDataset dataset = manager.createSKOSDataset(URI.create(baseURI));
SKOSDataFactory df = manager.getSKOSDataFactory();
List<SKOSEntity> allEntities = new ArrayList<SKOSEntity>();
// Create a concept scheme identified by a URI
SKOSConceptScheme conceptScheme1 =
df.getSKOSConceptScheme(URI.create(baseURI + "#conceptScheme1"));
// create a set of concepts
Set<SKOSConcept> concepts = new HashSet<SKOSConcept>();
concepts.add(df.getSKOSConcept(URI.create(baseURI + "#conceptA")));
concepts.add(df.getSKOSConcept(URI.create(baseURI + "#conceptB")));
concepts.add(df.getSKOSConcept(URI.create(baseURI + "#conceptC")));
concepts.add(df.getSKOSConcept(URI.create(baseURI + "#conceptD")));
// add all the entities to this set
allEntities.add(conceptScheme1);
allEntities.addAll(concepts);
List<SKOSEntityAssertion> entityAssertions = df.getSKOSEntityAssertions(allEntities);
List<SKOSObjectRelationAssertion> relationAssertions =
df.getSKOSObjectRelationAssertions(
concepts, df.getSKOSInSchemeProperty(), conceptScheme1);
List<SKOSChange> addAssertions = new ArrayList<SKOSChange>();
for (SKOSEntityAssertion ass : entityAssertions) {
addAssertions.add(new AddAssertion(dataset, ass));
}
for (SKOSObjectRelationAssertion ass : relationAssertions) {
addAssertions.add(new AddAssertion(dataset, ass));
}
manager.applyChanges(addAssertions);
manager.save(dataset, SKOSFormatExt.RDFXML, URI.create("file:/Users/simon/tmp/example3.rdf"));
} catch (SKOSCreationException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
} catch (SKOSChangeException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
} catch (SKOSStorageException e) {
e
.printStackTrace(); // To change body of catch statement use File | Settings | File
// Templates.
}
}
private void _convert() throws Exception {
List<?> list = standard_name_table.getChildren("entry");
for (Iterator<?> iterator = list.iterator(); iterator.hasNext(); ) {
Element ele = (Element) iterator.next();
numEntries++;
String id = ele.getAttribute("id").getValue().trim();
String canonicalUnits = ele.getChildTextNormalize("canonical_units");
String grib = ele.getChildTextNormalize("grib");
String amip = ele.getChildTextNormalize("amip");
String description = ele.getChildTextNormalize("description");
String prefLabel = id.replace('_', ' ');
URI conceptUri = URI.create(namespace + id);
SKOSConcept concept = dataFactory.getSKOSConcept(conceptUri);
concepts.add(concept);
// skos:narrower
objectRelationAssertions.add(
dataFactory.getSKOSObjectRelationAssertion(
topConcept, dataFactory.getSKOSNarrowerProperty(), concept));
// skos:prefLabel
dataRelationAssertions.add(
dataFactory.getSKOSDataRelationAssertion(
concept, dataFactory.getSKOSPrefLabelProperty(), prefLabel));
////////////////////////////////////////////////
// OWL API stuff
_addOwlChange(conceptUri, id, description, canonicalUnits, grib, amip);
}
props.put("entries", String.valueOf(numEntries));
props.put("concepts", String.valueOf(concepts.size()));
allEntities.add(conceptScheme);
allEntities.addAll(concepts);
List<SKOSChange> skosChanges = new ArrayList<SKOSChange>();
// entities:
List<SKOSEntityAssertion> entityAssertions = dataFactory.getSKOSEntityAssertions(allEntities);
for (SKOSEntityAssertion ass : entityAssertions) {
skosChanges.add(new AddAssertion(dataset, ass));
}
// skos:inScheme
objectRelationAssertions.addAll(
dataFactory.getSKOSObjectRelationAssertions(
concepts, dataFactory.getSKOSInSchemeProperty(), conceptScheme));
// object relations:
for (SKOSObjectRelationAssertion assertion : objectRelationAssertions) {
skosChanges.add(new AddAssertion(dataset, assertion));
}
// data relations:
for (SKOSDataRelationAssertion assertion : dataRelationAssertions) {
skosChanges.add(new AddAssertion(dataset, assertion));
}
manager.applyChanges(skosChanges);
////////////////////////////////////////////////////
// OWL API assertions
owlManager.applyChanges(owlChanges);
}