/* (non-Javadoc)
* @see org.openrdf.rio.helpers.RDFHandlerBase#handleStatement(org.openrdf.model.Statement)
*/
@Override
public void handleStatement(final Statement stmt) throws RDFHandlerException {
final String predicate = stmt.getPredicate().stringValue();
if (!predicate.startsWith("http://psi.ontopia.net/rdf2tm/#")) {
return;
}
final String subject = stmt.getSubject().stringValue();
if (!(stmt.getObject() instanceof URI)) {
throw new RDFHandlerException(
new MIOException("The object of the RDF mapping must be an IRI"));
}
final String object = stmt.getObject().stringValue();
if (RDF2TM.MAPS_TO.equals(predicate)) {
if (RDF2TM.BASENAME.equals(object)) {
getMapping(subject).kind = NAME;
} else if (RDF2TM.OCCURRENCE.equals(object)) {
getMapping(subject).kind = OCCURRENCE;
} else if (RDF2TM.INSTANCE_OF.equals(object)) {
getMapping(subject).kind = TYPE_INSTANCE;
} else if (RDF2TM.ASSOCIATION.equals(object)) {
getMapping(subject).kind = ASSOCIATION;
} else if (RDF2TM.SUBJECT_IDENTIFIER.equals(object)) {
try {
_handler.handleSubjectIdentifier(subject);
} catch (MIOException ex) {
throw new RDFHandlerException(ex);
}
} else if (RDF2TM.SUBJECT_LOCATOR.equals(object)) {
try {
_handler.handleSubjectLocator(subject);
} catch (MIOException ex) {
throw new RDFHandlerException(ex);
}
} else if (RDF2TM.SOURCE_LOCATOR.equals(object)) {
try {
_handler.handleItemIdentifier(subject);
} catch (MIOException ex) {
throw new RDFHandlerException(ex);
}
} else {
throw new RDFHandlerException(
new MIOException(
"Unknown object of a rtm:maps-to mapping. Object: <" + object + ">"));
}
} else if (RDF2TM.TYPE.equals(predicate)) {
getMapping(subject).type = object;
} else if (RDF2TM.IN_SCOPE.equals(predicate)) {
Mapping mapping = getMapping(subject);
if (mapping.scope == null) {
mapping.scope = new ArrayList<String>();
}
mapping.scope.add(object);
} else if (RDF2TM.SUBJECT_ROLE.equals(predicate)) {
getMapping(subject).subject = object;
} else if (RDF2TM.OBJECT_ROLE.equals(predicate)) {
getMapping(subject).object = object;
} else {
throw new RDFHandlerException(new MIOException("Unknown predicate <" + predicate + ">"));
}
}
