Jena Ontology Loading Tests

import java.io.FileWriter;

import org.apache.jena.ontology.OntDocumentManager;
import org.apache.jena.ontology.OntModel;
import org.apache.jena.ontology.OntModelSpec;
import org.apache.jena.rdf.model.Model;
import org.apache.jena.rdf.model.ModelFactory;
import org.apache.jena.rdfconnection.RDFConnection;
import org.apache.jena.rdfconnection.RDFConnectionFuseki;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class OntTestLoading {

    public static Logger logger = LoggerFactory.getLogger(OntTestLoading.class);

    private static final String ONT_POLICY = "https://raw.githubusercontent.com/buda-base/editor-templates/master/ont-policy.rdf";
    private static final String OUT = <local directory path for output ttl files>;
    private static final String DS = <dataset URL for putting and fetching models/graphs>;

    private static RDFConnection fuConn;

    private static final String BDG = "http://purl.bdrc.io/graph/";
    private static final String PERSON_SHAPES = "http://purl.bdrc.io/shapes/core/PersonShapes/";
    private static final String PERSON_UI_SHAPES = "http://purl.bdrc.io/shapes/core/PersonUIShapes/";

    private static OntModelSpec oms;
    private static OntDocumentManager odm;

    private static void initOdm() {
        oms = new OntModelSpec(OntModelSpec.OWL_MEM);
        odm = new OntDocumentManager(ONT_POLICY);
        oms.setDocumentManager(odm);
    }

    private static void writeTtl(Model m, String nm) {
        try {
            m.write(new FileWriter(OUT+nm+".ttl"), "TTL");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private static void doTest(String ontUri, boolean processImports, String graphLocalName) {
        doTest(ontUri, processImports, graphLocalName, false);
    }

    private static void doTest(String ontUri, boolean processImports, String graphLocalName, boolean loadImp) {
        doTest(oms, odm, ontUri, processImports, graphLocalName, loadImp);
    }

    private static void doTest(OntModelSpec oms, OntDocumentManager odm, String ontUri, boolean processImports, String graphLocalName, boolean loadImp) {
        logger.info("processing {} imports {}", graphLocalName, processImports);

        odm.setProcessImports(processImports);

        // fetch OntModel
        OntModel om = odm.getOntology(ontUri, oms);
        writeTtl(om, graphLocalName+"_ONT_MOD_GET_ONT");

        // send OntModel to Fuseki and retrieve Model by graph name
        String graphName = BDG+graphLocalName;
        fuConn.put(graphName, om);
        Model mFmFu = fuConn.fetch(graphName);
        writeTtl(mFmFu, graphLocalName+"_MODEL_FM_FUSEKI");

        // explicitly load
        if (loadImp) {
            om.loadImports();
            writeTtl(om, graphLocalName+"_ONT_MOD_LOAD_IMP");
        }
    }

    public static void main(String[] args){

        fuConn = RDFConnectionFuseki.create().destination(DS).build();

        // PROCESS IMPORTS FALSE
        initOdm();
        doTest(PERSON_SHAPES, false, "PersonShapes_NI10");

        // PROCESS IMPORTS TRUE
        initOdm();
        doTest(PERSON_SHAPES, true, "PersonShapes_WI10", true);

        // PROCESS IMPORTS FALSE
        initOdm();
        doTest(PERSON_UI_SHAPES, false, "PersonUIhapes_NI10");

        // PROCESS IMPORTS TRUE
        initOdm();
        doTest(PERSON_UI_SHAPES, true, "PersonUIShapes_WI10");
    }
}