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package uk.ac.ox.cs.data;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import org.openrdf.model.Statement;
import org.openrdf.rio.RDFHandler;
import org.openrdf.rio.RDFHandlerException;
import org.openrdf.rio.RDFParseException;
import org.openrdf.rio.RDFParser;
import org.openrdf.rio.RDFWriter;
import org.openrdf.rio.ntriples.NTriplesWriter;
import org.openrdf.rio.turtle.TurtleParser;
public class WriteToNTriple {
public static void main(String... args) throws RDFParseException, RDFHandlerException, IOException {
if (args.length == 0)
args = new String[] {"/media/krr-nas-share/Yujiao/ontologies/bio2rdf/reactome/data/data.ttl",
"http://www.biopax.org/release/biopax-level3.owl#"};
RDFParser parser = new TurtleParser();
final RDFWriter writer = new NTriplesWriter(new FileOutputStream(args[0].replace(".ttl", ".nt")));
parser.setRDFHandler(new RDFHandler() {
@Override
public void startRDF() throws RDFHandlerException {
writer.startRDF();
}
@Override
public void handleStatement(Statement arg0) throws RDFHandlerException {
writer.handleStatement(arg0);
}
@Override
public void handleNamespace(String arg0, String arg1) throws RDFHandlerException {
writer.handleNamespace(arg0, arg1);
}
@Override
public void handleComment(String arg0) throws RDFHandlerException {
writer.handleComment(arg0);
}
@Override
public void endRDF() throws RDFHandlerException {
writer.endRDF();
}
});
parser.parse(new FileInputStream(args[0]), args[1]);
}
}
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