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RDF Jena Test - Java Code

package rdf_jena_test;

import com.hp.hpl.jena.rdf.model.Model;
import com.hp.hpl.jena.rdf.model.ModelFactory;
import com.hp.hpl.jena.rdf.model.Property;
import com.hp.hpl.jena.rdf.model.RDFNode;
import com.hp.hpl.jena.rdf.model.Resource;
import com.hp.hpl.jena.rdf.model.Statement;
import com.hp.hpl.jena.rdf.model.StmtIterator;
import com.hp.hpl.jena.vocabulary.VCARD;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;


 */
public class Test1 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // some definitions
        String personURI = "http://somewhere/JohnSmith";
        String givenName = "John";
        String familyName = "Smith";
        String fullName = givenName + " " + familyName;

// create an empty Model
        Model model = ModelFactory.createDefaultModel();

// create the resource
//   and add the properties cascading style
        model.createResource(personURI).addProperty(VCARD.FN, fullName).addProperty(VCARD.N,
                model.createResource().addProperty(VCARD.Given, givenName).addProperty(VCARD.Family, familyName));

        StmtIterator iter = model.listStatements();

        while (iter.hasNext()) {
            Statement stmt = iter.nextStatement();
            Resource subject = stmt.getSubject();
            Property predicate = stmt.getPredicate();
            RDFNode object = stmt.getObject();

            System.out.print(subject.toString());
            System.out.print("\t" + predicate.toString() + "\t");
            if (object instanceof Resource) {
                System.out.print(object.toString());
            } else {
                System.out.print("\"" + object.toString() + "\"");
            }
            System.out.println(" .");
        }
        String str = "meinRDF";
        try {
            model.write(new FileOutputStream(str));
        } catch (IOException ex) {
            Logger.getLogger(Test1.class.getName()).log(Level.SEVERE, null, ex);
        }
        System.out.println();
        System.out.println("Datei wurde gespeichert unter: ");
        System.out.println(new File("").getAbsolutePath() + "\\" + str);
    }
}