/**
* Called when a statement with literal value is added to the model.
*
* @param subject IRI of the subject resource
* @param predicate IRI of the predicate resource
* @param object literal object value
* @param dataType the IRI of the literal's datatype (may be {@code null})
* @param reificationID if not {@code null}, contains IRI of the resource that will wold the
* reified statement
*/
public void statementWithLiteralValue(
@Nonnull String subject,
@Nonnull String predicate,
@Nonnull String object,
@Nullable String dataType,
@Nullable String reificationID) {
consumer.statementWithLiteralValue(subject, predicate, object, language, dataType);
if (reificationID != null) {
consumer.statementWithResourceValue(reificationID, RDF_TYPE, RDF_STATEMENT);
consumer.statementWithResourceValue(reificationID, RDF_SUBJECT, subject);
consumer.statementWithResourceValue(reificationID, RDF_PREDICATE, predicate);
consumer.statementWithLiteralValue(reificationID, RDF_OBJECT, object, language, dataType);
}
}
/**
* Parses RDF from given input source.
*
* @param source specifies where RDF comes from
* @param inputConsumer receives notifications about RDF parsing events
* @throws SAXException SAXException
* @throws IOException IOException
*/
public void parse(@Nonnull InputSource source, @Nonnull RDFConsumer inputConsumer)
throws SAXException, IOException {
InputSource s = checkNotNull(source, "source cannot be null");
checkNotNull(inputConsumer, "consumer cannot be null");
String systemID = s.getSystemId();
try {
if (systemID != null) {
baseIRI = IRI.create(new URI(source.getSystemId()));
} else {
throw new SAXException(
"Supplied InputSource object myst have systemId property set, which is needed for IRI resolution.");
}
consumer = inputConsumer;
inputConsumer.startModel(getBaseIRI());
DeclHandler handler =
new DeclHandler() {
public void internalEntityDecl(String name, String value) {
consumer.addPrefix(name, value);
}
public void externalEntityDecl(String name, String publicId, String systemId) {}
public void elementDecl(String name, String model) {}
public void attributeDecl(
String eName, String aName, String type, String mode, String value) {}
};
SAXParsers.initParserWithOWLAPIStandards(handler).parse(source, this);
inputConsumer.endModel();
} catch (URISyntaxException e) {
throw new SAXException("Invalid SystemID '" + systemID + "'of the supplied input source.", e);
} finally {
state = null;
states.clear();
baseIRIs.clear();
}
}
@Override
public void processingInstruction(String target, String data) {
if ("include-rdf".equals(target)) {
Map<String, String> arguments = parseStringArguments(data);
verify(
arguments.size() > 2,
"Incorrect number of arguments for 'include-rdf' processing instruction.");
String logicalIRI = arguments.get("logicalIRI");
String physicalIRI = arguments.get("physicalIRI");
if (physicalIRI != null) {
physicalIRI = resolveIRI(physicalIRI);
}
consumer.includeModel(logicalIRI, physicalIRI);
}
}
/**
* Called when a statement with resource value is added to the model.
*
* @param subject IRI of the subject resource
* @param predicate IRI of the predicate resource
* @param object IRI of the object resource
* @param reificationID if not {@code null}, contains IRI of the resource that will wold the
* reified statement
*/
public void statementWithResourceValue(
@Nonnull String subject,
@Nonnull String predicate,
@Nonnull String object,
@Nullable String reificationID) {
String remappedSubject = consumer.remapOnlyIfRemapped(subject);
consumer.statementWithResourceValue(remappedSubject, predicate, object);
if (reificationID != null) {
consumer.statementWithResourceValue(reificationID, RDF_TYPE, RDF_STATEMENT);
consumer.statementWithResourceValue(reificationID, RDF_SUBJECT, remappedSubject);
consumer.statementWithResourceValue(reificationID, RDF_PREDICATE, predicate);
consumer.statementWithResourceValue(reificationID, RDF_OBJECT, object);
}
}
