/**
* Returns the identifier of an LSRN-typed Resource
*
* @param lsrnNode
* @return the identifier
*/
public static String getID(Resource lsrnNode) {
Set<String> namespaces = new HashSet<String>();
for (Iterator<Resource> types = RdfUtils.getTypes(lsrnNode); types.hasNext(); ) {
Resource type = types.next();
if (type.isURIResource()) {
String ns = getNamespaceFromLSRNTypeURI(type.getURI());
if (ns != null) namespaces.add(ns);
}
}
Iterator<Resource> ids =
RdfUtils.getPropertyValues(lsrnNode, SIO.has_identifier, null)
.andThen(RdfUtils.getPropertyValues(lsrnNode, SIO.has_attribute, null));
while (ids.hasNext()) {
Resource identifier = ids.next();
for (Iterator<Resource> types = RdfUtils.getTypes(identifier); types.hasNext(); ) {
Resource type = types.next();
if (type.isURIResource()) {
String ns = getNamespaceFromLSRNIdentifierTypeURI(type.getURI());
if (ns != null && namespaces.contains(ns)) {
Statement s = identifier.getProperty(SIO.has_value);
if (s != null) {
return s.getString();
}
}
}
}
}
return null;
}
/**
* Adds the LSRN SIO identifier structure to an LSRN-typed Resource. Attempts to use the URL of
* the Resource to determine the ID.
*
* @param lsrnNode
*/
public static void addIdentifier(Resource lsrnNode) {
if (lsrnNode.isURIResource()) {
Matcher idMatcher = ID_PATTERN.matcher(lsrnNode.getURI());
if (idMatcher.find()) {
String id = idMatcher.group(1);
for (Resource type : RdfUtils.getTypes(lsrnNode).toList()) {
if (!type.isURIResource()) continue;
Matcher typeMatcher = TYPE_PATTERN.matcher(type.getURI());
if (typeMatcher.find()) {
String idTypeURI = OUTPUT_ID_TYPE_PATTERN.replace("$NS", typeMatcher.group(1));
SIOUtils.createAttribute(
lsrnNode, SIO.has_identifier, ResourceFactory.createResource(idTypeURI), id);
}
}
}
}
}