/**
* Converts the collected mapping information into {@link IMapper} instances.
*
* @throws MIOException In case of an error.
*/
private void _buildMapping() throws MIOException {
for (Entry<String, Mapping> entry : _mappings.entrySet()) {
Mapping mapping = entry.getValue();
String predicate = entry.getKey();
switch (mapping.kind) {
case NAME:
_handler.handleName(predicate, _toArray(mapping.scope), mapping.type, false);
break;
case OCCURRENCE:
_handler.handleOccurrence(predicate, _toArray(mapping.scope), mapping.type, false);
break;
case TYPE_INSTANCE:
_handler.handleInstanceOf(predicate, _toArray(mapping.scope));
break;
case ASSOCIATION:
{
_handler.handleAssociation(
predicate, mapping.subject, mapping.object, _toArray(mapping.scope), mapping.type);
break;
}
default:
throw new MIOException("Invalid mapping for <" + entry.getKey() + ">");
}
}
}
/* (non-Javadoc)
* @see com.semagia.mio.rdf.IMappingReader#read()
*/
@Override
public void read(final Source source) throws IOException, MIOException {
// TODO: check for characterstream / bytestream
_parser.setRDFHandler(new RDFStatementHandler());
final InputStream stream = new BufferedInputStream(new URL(source.getIRI()).openStream());
_handler.start();
try {
_parser.parse(stream, source.getBaseIRI());
} catch (OpenRDFException ex) {
if (ex.getCause() instanceof MIOException) {
throw (MIOException) ex.getCause();
}
if (ex instanceof RDFParseException) {
throw new MIOParseException(
ex,
((RDFParseException) ex).getLineNumber(),
((RDFParseException) ex).getColumnNumber());
}
throw new MIOException(ex);
} finally {
if (stream != null) {
stream.close();
}
}
_buildMapping();
_handler.end();
_mappings.clear();
}