rdfgenerator.java

javaP2P技术内幕课程0789的源代码

import com.hp.hpl.mesa.rdf.jena.mem.ModelMem;
import com.hp.hpl.mesa.rdf.jena.model.*;
import com.hp.hpl.mesa.rdf.jena.vocabulary.*;
import java.io.FileOutputStream;
import java.io.PrintWriter;


public class RDFGenerator extends Object {
    public static void main(String[] args) {
        //some definitions
        String personURI = "http://somewhere/JohnSmith";
        String givenName = "John";
        String familyName = "Smith";
        String fullName = givenName + " " + familyName;

        try {
            //create an empty graph
            Model model = new ModelMem();

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


            //now write the model in XML form to a file
            model.write(new PrintWriter(System.out));
        } catch (Exception e) {
            System.out.println("Failed : " + e);
        }
    }
}