OpenCyc20.java

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package instruction.opencyc;

import java.io.IOException;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Iterator;

import org.opencyc.api.CycApiException;
import org.opencyc.api.CycObjectFactory;
import org.opencyc.cycobject.CycList;
import org.opencyc.cycobject.CycObject;
import org.opencyc.cycobject.CycVariable;

public class OpenCyc20 extends OpenCyc {
        
        protected CycObject defaultMt = null;
        
        protected OpenCyc20() throws UnknownHostException, CycApiException,
                        IOException {
                super();
                defaultMt = cyc.getConstantByName( "#$CurrentWorldDataCollectorMt-NonHomocentric" );
        }
        
        public static OpenCyc getInstance() throws UnknownHostException, CycApiException, IOException {

                if ( me == null ) {
                        me = new OpenCyc20();
                        me.initializeCyc();
                }
                return me;
        }
        
        @SuppressWarnings("deprecation")
        public ArrayList<String> getCycConceptFromWordNetID(String synsetURI)
                        throws Exception {
                // Ask Cyc for the concepts
                CycList query = cyc.makeCycList( "(#$ist (#$ContextOfPCWFn (#$OWLOntologyFn \"http://www.w3.org/2006/03/wn/wn20/instances\")) "
                                + "(#$seeAlsoURI ?CONCEPT \"" + synsetURI + "\"))" );
                
                CycVariable var = CycObjectFactory.makeCycVariable( "?CONCEPT" );
                
                CycObject mt = defaultMt;

                CycList ret = cyc.askWithVariable( query, var, mt );

                ArrayList<String> list = new ArrayList<String>();
                for ( Iterator i = ret.iterator(); i.hasNext(); ) {
                        String str = i.next().toString();
                        if ( str.indexOf( "(" ) == - 1 && str.indexOf( ")" ) == - 1 && str.indexOf( " " ) == - 1 )
                                list.add( str );
                }
                return list;
        }
        
        @Override
        public void addMapping(String synset, String concept) throws UnknownHostException, CycApiException, IOException {
                CycList assertion = cyc.makeCycList( "(#$ist (#$ContextOfPCWFn (#$OWLOntologyFn \"http://www.w3.org/2006/03/wn/wn20/instances\")) " +
                                "(#$seeAlsoURI #$" + concept + " \"" + synset + "\"))");
                
                cyc.assertGaf( assertion, defaultMt );
        }
        
        public static void main(String[] args) {
                OpenCyc cyc;
                try {
                        cyc = OpenCyc20.getInstance();
                        
                        cyc.addMapping("http://www.w3.org/2006/03/wn/wn20/instances/synset-own-verb-3", "possesses");
                        
                } catch (UnknownHostException e) {
                        e.printStackTrace();
                } catch (CycApiException e) {
                        e.printStackTrace();
                } catch (IOException e) {
                        e.printStackTrace();
                } catch (Exception e) {
                        e.printStackTrace();
                }
        }

}