org.coode.owlapi.rdfxml.parser.SWRLRuleTranslator Maven / Gradle / Ivy
/*
* 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, The University of Manchester
*
* 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, University of Manchester
*
* 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 org.coode.owlapi.rdfxml.parser;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLAnnotation;
import org.semanticweb.owlapi.model.OWLAnnotationProperty;
import org.semanticweb.owlapi.model.OWLLiteral;
import org.semanticweb.owlapi.model.SWRLAtom;
import org.semanticweb.owlapi.model.SWRLRule;
import org.semanticweb.owlapi.vocab.SWRLVocabulary;
/**
* Author: Matthew Horridge
* The University Of Manchester
* Bio-Health Informatics Group
* Date: 18-Feb-2007
*/
@SuppressWarnings("javadoc")
public class SWRLRuleTranslator {
private OWLRDFConsumer consumer;
private OptimisedListTranslator listTranslator;
public SWRLRuleTranslator(OWLRDFConsumer consumer) {
this.consumer = consumer;
listTranslator = new OptimisedListTranslator(consumer, new SWRLAtomListItemTranslator(consumer));
}
public void translateRule(IRI mainNode) {
Set annotations = new HashSet();
Set predicates = consumer.getPredicatesBySubject(mainNode);
for (IRI i : predicates) {
if (consumer.isAnnotationProperty(i)) {
OWLAnnotationProperty p = consumer.getDataFactory()
.getOWLAnnotationProperty(i);
OWLLiteral literal = consumer.getLiteralObject(mainNode, i, true);
while (literal != null) {
annotations.add(consumer.getDataFactory()
.getOWLAnnotation(p, literal));
literal = consumer.getLiteralObject(mainNode, i, true);
}
}
}
Set consequent = Collections.emptySet();
// XXX annotations on rules are not parsed correctly
IRI ruleHeadIRI = consumer.getResourceObject(mainNode, SWRLVocabulary.HEAD.getIRI(), true);
if (ruleHeadIRI != null) {
consequent = listTranslator.translateToSet(ruleHeadIRI);
}
Set antecedent = Collections.emptySet();
IRI ruleBodyIRI = consumer.getResourceObject(mainNode, SWRLVocabulary.BODY.getIRI(), true);
if (ruleBodyIRI != null) {
antecedent = listTranslator.translateToSet(ruleBodyIRI);
}
SWRLRule rule = null;
if (!consumer.isAnonymousNode(mainNode)) {
rule = consumer.getDataFactory().getSWRLRule(antecedent, consequent,
annotations);
}
else {
rule = consumer.getDataFactory().getSWRLRule(antecedent, consequent,
annotations);
}
consumer.addAxiom(rule);
}
}