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The graal-io-owl module provides a parser from OWL2.
There is a newer version: 1.3.1
/*
 * Copyright (C) Inria Sophia Antipolis - Méditerranée / LIRMM
 * (Université de Montpellier & CNRS) (2014 - 2015)
 *
 * Contributors :
 *
 * Clément SIPIETER 
 * Mélanie KÖNIG
 * Swan ROCHER
 * Jean-François BAGET
 * Michel LECLÈRE
 * Marie-Laure MUGNIER 
 *
 *
 * This file is part of Graal .
 *
 * This software is governed by the CeCILL  license under French law and
 * abiding by the rules of distribution of free software.  You can  use,
 * modify and/ or redistribute the software under the terms of the CeCILL
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and  rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty  and the software's author,  the holder of the
 * economic rights,  and the successive licensors  have only  limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading,  using,  modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean  that it is complicated to manipulate,  and  that  also
 * therefore means  that it is reserved for developers  and  experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and,  more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL license and that you accept its terms.
 */
 /**
 * 
 */
package fr.lirmm.graphik.graal.io.owl;

import org.semanticweb.owlapi.model.OWLAnnotationProperty;
import org.semanticweb.owlapi.model.OWLDataProperty;
import org.semanticweb.owlapi.model.OWLObjectInverseOf;
import org.semanticweb.owlapi.model.OWLObjectProperty;
import org.semanticweb.owlapi.model.OWLPropertyExpressionVisitorEx;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import fr.lirmm.graphik.graal.api.core.Atom;
import fr.lirmm.graphik.graal.api.core.InMemoryAtomSet;
import fr.lirmm.graphik.graal.api.core.Predicate;
import fr.lirmm.graphik.graal.api.core.Term;

/**
 * @author Clément Sipieter (INRIA) {@literal }
 *
 */
class OWLPropertyExpressionVisitorImpl implements
		OWLPropertyExpressionVisitorEx {

	private static final Logger LOGGER = LoggerFactory
			.getLogger(OWLPropertyExpressionVisitorImpl.class);

	private Term glueVariable1, glueVariable2;

	public OWLPropertyExpressionVisitorImpl(Term glueVarX, Term glueVarY) {
		this.glueVariable1 = glueVarX;
		this.glueVariable2 = glueVarY;
	}

	// /////////////////////////////////////////////////////////////////////////
	//
	// /////////////////////////////////////////////////////////////////////////

	@Override
	public InMemoryAtomSet visit(OWLAnnotationProperty arg) {
		if (LOGGER.isInfoEnabled()) {
			LOGGER.info("Visit OWLAnnotationProperty is not implemented: "
					+ arg);
		}
		return GraalUtils.createAtomSet();
	}

	@Override
	public InMemoryAtomSet visit(OWLObjectProperty property) {
		Predicate p = GraalUtils.createPredicate(property);
		Atom a = GraalUtils.createAtom(p, glueVariable1, glueVariable2);
		return GraalUtils.createAtomSet(a);
	}

	@Override
	public InMemoryAtomSet visit(OWLObjectInverseOf property) {
		Predicate p = GraalUtils.createPredicate(property.getInverse());
		Atom a = GraalUtils.createAtom(p, glueVariable2, glueVariable1);
		return GraalUtils.createAtomSet(a);
	}

	@Override
	public InMemoryAtomSet visit(OWLDataProperty property) {
		Predicate p = GraalUtils.createPredicate(property);
		Atom a = GraalUtils.createAtom(p, glueVariable1, glueVariable2);
		return GraalUtils.createAtomSet(a);
	}


}