code: package it.unibz.inf.ontop.utils;
  
  import com.google.inject.Injector;
  import it.unibz.inf.ontop.injection.OntopModelConfiguration;
  import it.unibz.inf.ontop.model.term.TermFactory;
  import it.unibz.inf.ontop.model.type.TypeFactory;
  import it.unibz.inf.ontop.spec.mapping.TargetAtomFactory;
  import it.unibz.inf.ontop.spec.ontology.ClassifiedTBox;
  import it.unibz.inf.ontop.spec.ontology.Ontology;
  import it.unibz.inf.ontop.spec.ontology.owlapi.OWLAPITranslatorOWL2QL;
  import org.apache.commons.rdf.api.IRI;
  import org.apache.commons.rdf.api.RDF;
  import org.semanticweb.owlapi.apibinding.OWLManager;
  import org.semanticweb.owlapi.model.OWLOntology;
  import org.semanticweb.owlapi.model.OWLOntologyCreationException;
  import org.semanticweb.owlapi.model.OWLOntologyManager;
  
  import java.io.File;
  
  public class SITestingTools {
  
      public static final OWLAPITranslatorOWL2QL OWLAPI_TRANSLATOR;
      public static final TermFactory TERM_FACTORY;
      public static final TypeFactory TYPE_FACTORY;
      public static final RDF RDF_FACTORY;
  
      static {
          OntopModelConfiguration defaultConfiguration = OntopModelConfiguration.defaultBuilder().build();
          Injector injector = defaultConfiguration.getInjector();
  
          OWLAPI_TRANSLATOR = injector.getInstance(OWLAPITranslatorOWL2QL.class);
          TERM_FACTORY = injector.getInstance(TermFactory.class);
          TYPE_FACTORY = injector.getInstance(TypeFactory.class);
          RDF_FACTORY = injector.getInstance(RDF.class);
      }
      /**
       * USE FOR TESTS ONLY
       *
       * @param filename
       * @return
       * @throws OWLOntologyCreationException
       */
  
      public static ClassifiedTBox loadOntologyFromFileAndClassify(String filename) throws OWLOntologyCreationException {
          OWLOntologyManager man = OWLManager.createOWLOntologyManager();
          OWLOntology owl = man.loadOntologyFromOntologyDocument(new File(filename));
          Ontology onto = OWLAPI_TRANSLATOR.translateAndClassify(owl);
          return onto.tbox();
      }
  
      public static IRI getIRI(String prefix, String suffix) {
          return RDF_FACTORY.createIRI(prefix + suffix);
      }
  }
  