1 files changed, 57 insertions, 0 deletions

diff --git a/external/uk/ac/ox/cs/data/WriteToNTriple.java b/external/uk/ac/ox/cs/data/WriteToNTriple.java
new file mode 100644
index 0000000..27e69b9
--- /dev/null
+++ b/external/uk/ac/ox/cs/data/WriteToNTriple.java
@@ -0,0 +1,57 @@
+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]);
+        }
+}