src/examples/QuickTest.java

package examples;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Arrays;
import java.util.Iterator;
import java.util.Map;

import javax.tools.JavaCompiler;
import javax.tools.StandardJavaFileManager;
import javax.tools.ToolProvider;

import org.mindswap.owl.OWLDataProperty;
import org.mindswap.owl.OWLFactory;
import org.mindswap.owl.OWLIndividual;
import org.mindswap.owl.OWLKnowledgeBase;
import org.mindswap.owl.OWLOntology;
import org.mindswap.owl.OWLProperty;
import org.mindswap.pellet.jena.PelletReasoner;
import org.mindswap.utils.URIUtils;

/**
 * This class is intended for the developers of the API to perform quick tests.
 * Do use this class for whatever you intend to, but do never ask for support :-)
 *
 * @author Michael D�nzer (University of Zurich)
 * @date 16.01.2007
 */
public class QuickTest {
    private OWLKnowledgeBase kb;

    public static void main(String[] args) {
        QuickTest test = new QuickTest();
        test.OWL2Java();
    }

    public QuickTest() {
        kb = OWLFactory.createKB();
        kb.setReasoner("Pellet");
        PelletReasoner r = (PelletReasoner) kb.getReasoner();
        r.setDerivationLogging(false);

        kb.getReader().getCache().setLocalCacheDirectory("e://workspaces//NExT//Ontologies//ont_cache");
        kb.getReader().getCache().setForced(true);
    }

    private void OWL2Java() {
        try {
            OWLOntology ont = kb.read("http://www.w3.org/2001/sw/WebOnt/guide-src/wine.owl");
            OWLIndividual ind = ont.getIndividual(URIUtils.createURI("http://www.w3.org/2001/sw/WebOnt/guide-src/wine#ChateauDeMeursaultMeursault"));
            Map props = ind.getProperties();

            JavaCompiler jc = ToolProvider.getSystemJavaCompiler();
            StandardJavaFileManager sjfm = jc.getStandardFileManager(null, null, null);

            String userDir = System.getProperty("user.dir") + System.getProperty("file.separator");
            System.out.println(userDir);
            File javaFile = new File(userDir + "TempOWLClass.java");
            if (javaFile.exists())
                javaFile.delete();
            javaFile.createNewFile();

            FileWriter writer = new FileWriter(javaFile);
            writer.write("public class TempOWLClass {\n");
            Iterator iter = props.values().iterator();
            while (iter.hasNext()) {
                OWLProperty prop = (OWLProperty) iter.next();
                String type = getJavaType(prop);
                String value = "";
                if (prop instanceof OWLDataProperty)
                    value = ind.getProperty((OWLDataProperty)prop).getLexicalValue();
                writer.write("public " + type + " " + prop.getLocalName()+ " = " + value + ";");
            }

            writer.write("\tpublic void printIt(String it) {\n");
            writer.write("\t\tSystem.out.println(it);\n");
            writer.write("\t}\n");
            writer.write("}\n");
            writer.flush();

            Iterable fileObjects = sjfm.getJavaFileObjects(javaFile);
            jc.getTask(null, sjfm, null, null, null, fileObjects).call();
            sjfm.close();

            String[] options = new String[]{"-d", userDir};
            jc.getTask(null, sjfm, null, Arrays.asList(options), null, fileObjects).call();

            File outputDir = new File(userDir);
            URL[] urls = new URL[]{outputDir.toURI().toURL()};
            URLClassLoader ucl = new URLClassLoader(urls, jc.getClass().getClassLoader());
            Class clazz = ucl.loadClass("tempOWLClass");
            Method m = clazz.getDeclaredMethods()[0];
            Field f = clazz.getDeclaredFields()[0];
            Object o = clazz.newInstance();
            m.invoke(o, "test");
            System.out.println(f.get(o));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (URISyntaxException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (IllegalArgumentException e) {
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        }

    }

    private String getJavaType(OWLProperty prop) {
        return null;
    }
}