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• KRSS2OWLParser.java

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/*
 * This file is part of the OWL API.
 *
 * The contents of this file are subject to the LGPL License, Version 3.0.
 *
 * Copyright (C) 2011, Ulm University
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see http://www.gnu.org/licenses/.
 *
 *
 * Alternatively, the contents of this file may be used under the terms of the Apache License, Version 2.0
 * in which case, the provisions of the Apache License Version 2.0 are applicable instead of those above.
 *
 * Copyright 2011, Ulm University
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package de.uulm.ecs.ai.owlapi.krssparser;

import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.util.HashSet;
import java.util.Set;

import org.semanticweb.owlapi.formats.KRSS2OntologyFormatFactory;
import org.semanticweb.owlapi.formats.OWLOntologyFormatFactory;
import org.semanticweb.owlapi.io.AbstractOWLParser;
import org.semanticweb.owlapi.io.OWLOntologyDocumentSource;
import org.semanticweb.owlapi.io.OWLParserException;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyChangeException;
import org.semanticweb.owlapi.model.OWLOntologyFormat;
import org.semanticweb.owlapi.model.OWLOntologyLoaderConfiguration;
import org.semanticweb.owlapi.model.UnloadableImportException;

/** The KRSS2OWLParser differs from the
 * {@link org.coode.owl.krssparser.KRSSOWLParser KRSSOWLParser} that it supports
 * an extended KRSS vocabulary available in many reasoning systems. For
 * instance, CGIs can be added with help of (implies subclass superclass),
 * range, domain, inverse, functinal attribute can be provided for roles. Note
 * that DatatypeProperties are not supported within KRSS2.
 * 

 * Abbreviations
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CN
concept name
C,D,E
concept expression
RN
role name
R, R1, R2,...
role expressions, i.e. role name or inverse role
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KRSS
OWLDescription
(at-least n R C)
(OWLObjectMinCardinalityRestriction R n C)
(at-most n R C)
(OWLObjectMaxCardinalityRestriction R n C)
(exactly n R C)
(OWLObjectExactCardinalityRestriction R n C)
(some R C)
(OWLObjectSomeRestriction R C)
(all R C)
(OWLObjectAllRestriction R C)
(not C)
(OWLObjectComplementOf C)
(and C D E)
(OWLObjectIntersectionOf C D E)
(or C D E)
(OWLObjectUnionOf C D E)
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 * KRSS role language
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KRSS
OWLObjectPropertyExpression
(inv R)
(OWLInverseObjectPropertiesAxiom R)
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KRSS2
OWLAxiom
Remarks
(define-primitive-concept CN C)
(OWLSubClassOfAxiom CN C)
If C is not given owl:Thing will be used instead.
(define-concept CN C)
(OWLEquivalentClassesAxiom CN C)
(disjoint C D)
(OWLDisjointClassesAxiom C D)
(equivalent C D)
(OWLEquivalentClassesAxion C D)
(implies C D)
(OWLSubclassOf C D)
(define-role RN RN2)
(OWLEquivalentObjectPropertiesAxiom RN RN2)
(define-primitive-role RN :right-identity RN1)
(OWLObjectPropertyChainSubPropertyAxiom (RN RN1) RN)
(define-primitive-role RN :left-identity RN1)
(OWLObjectPropertyChainSubPropertyAxiom (RN1 RN) RN)
(define-primitive-role RN RN1)
(OWLSubObjectPropertyAxiom RN RN1)
(define-primitive-role RN :parents (RN1 RN2 ...RNn))
(OWLSubObjectPropertyAxiom RN RN1)

 * (OWLSubObjectPropertyAxiom RN RN2)

 * (OWLSubObjectPropertyAxiom RN RNn)
(define-primitive-role RN :domain (C D ...E) :range (C D ...E)
 * :transitive t :symmetric t :reflexive t :inverse RN1)
Corresponding axioms for domain and range as well as transitive,
 * symmetric, reflexive and inverse will be added.
(disjoint-roles R R1)
(OWLDisjointObjectPropertiesAxiom R R1)
(implies-role R R)
(OWLSubObjectPropertyAxiom R R1)
(OWLInverseObjectPropertiesAxiom R R1)
(inverse RN RN1)
(roles-equivalent R R1)
(OWLEquivalentObjectPropertiesAxiom R R1)
(role-inclusion (compose RN RN1) RN2
(OWLObjectPropertyChainSubPropertyAxiom (RN RN1) RN2)
RN1 can also be (compose RN3 ...).
(transitive RN)
(OWLTransitiveObjectPropertyAxiom RN)
(range RN C)
(OWLObjectPropertyRangeAxiom RN C)
(instance i C)
(OWLClassAssertionAxiom i C)
(related i R i2)
(OWLObjectPropertyAssertionAxiom i R i2)
(equal i1 i2)
(OWLSameIndividualsAxiom i1 i2)
(distinct i1 i2)
(OWLDifferentIndividualsAxiom i1 i2)

 * Author: Olaf Noppens

 * Ulm University

 * Institute of Artificial Intelligence
 */
public class KRSS2OWLParser extends AbstractOWLParser {
    @Override
    public OWLOntologyFormat parse(OWLOntologyDocumentSource documentSource,
            OWLOntology ontology) throws OWLParserException, IOException,
            UnloadableImportException {
        return parse(documentSource, ontology, new OWLOntologyLoaderConfiguration());
    }

    @Override
    public OWLOntologyFormat parse(OWLOntologyDocumentSource documentSource,
            OWLOntology ontology, OWLOntologyLoaderConfiguration configuration)
            throws OWLParserException, IOException, OWLOntologyChangeException,
            UnloadableImportException {
        Reader reader = null;
        InputStream is = null;
        try {
            KRSS2OntologyFormat format = new KRSS2OntologyFormat();
            KRSS2Parser parser;
            if (documentSource.isReaderAvailable()) {
                reader = documentSource.getReader();
                parser = new KRSS2Parser(reader);
            } else if (documentSource.isInputStreamAvailable()) {
                is = documentSource.getInputStream();
                parser = new KRSS2Parser(is);
            } else {
                is = getInputStream(documentSource.getDocumentIRI(), configuration);
                parser = new KRSS2Parser(is);
            }
            parser.setOntology(ontology, ontology.getOWLOntologyManager()
                    .getOWLDataFactory());
            parser.parse();
            return format;
        } catch (ParseException e) {
            throw new KRSS2OWLParserException(e);
        } finally {
            if (is != null) {
                is.close();
            } else if (reader != null) {
                reader.close();
            }
        }
    }
    
    @Override
    public Set getSupportedFormats() {
        Set result = new HashSet();
        result.add(new KRSS2OntologyFormatFactory());
        return result;
    }
}