org.semanticweb.owlapi.io.RDFOntologyFormat 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.semanticweb.owlapi.io;
import java.util.HashSet;
import java.util.Set;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.vocab.PrefixOWLOntologyFormat;
/**
* @author Matthew Horridge, The University of Manchester, Information Management
* Group, Date: 28-Jun-2009
*/
public abstract class RDFOntologyFormat extends PrefixOWLOntologyFormat {
private static final long serialVersionUID = 30406L;
private boolean addMissingTypes = true;
private final Set errors = new HashSet();
/**
* Determines if untyped entities should automatically be typed (declared)
* during rendering. (This is a hint to an RDF renderer - the reference
* implementation will respect this). The render will check with the
* {@link #isMissingType(org.semanticweb.owlapi.model.OWLEntity, org.semanticweb.owlapi.model.OWLOntology)}
* method to determine if it needs to add a type.
*
* @return {@code true} if untyped entities should automatically be typed
* during rendering, otherwise {@code false}.
*/
public boolean isAddMissingTypes() {
return addMissingTypes;
}
/**
* Determines if a declaration axiom (type triple) needs to be added to the
* specified ontology for the given entity.
*
* @param entity
* The entity
* @param ontology
* The ontology.
* @return {@code false} if the entity is built in. {@code false} if the
* ontology doesn't contain the entity in its signature.
* {@code false} if the entity is already declared in the imports
* closure of the ontology. {@code false} if the transitive imports
* does not contain the ontology but the entity is contained in the
* signature of one of the imported ontologies, {@code true} if none
* of the previous conditions are met.
*/
public static boolean isMissingType(OWLEntity entity, OWLOntology ontology) {
// We don't need to declare built in entities
if (entity.isBuiltIn()) {
return false;
}
// If the ontology doesn't contain the entity in its signature then it
// shouldn't declare it
if (!ontology.containsEntityInSignature(entity)) {
return false;
}
if (ontology.isDeclared(entity, true)) {
return false;
}
Set transitiveImports = ontology.getImports();
if (!transitiveImports.contains(ontology)) {
// See if the entity should be declared in an imported ontology
for (OWLOntology importedOntology : transitiveImports) {
if (importedOntology.containsEntityInSignature(entity)) {
// Leave it for that ontology to declare the entity
return false;
}
}
}
return true;
}
/**
* Determines if untyped entities should automatically be typed during
* rendering. By default this is true.
*
* @param addMissingTypes
* {@code true} if untyped entities should automatically be typed
* during rendering, otherwise {@code false}.
*/
public void setAddMissingTypes(boolean addMissingTypes) {
this.addMissingTypes = addMissingTypes;
}
@Override
public RDFParserMetaData getOntologyLoaderMetaData() {
return (RDFParserMetaData) super.getOntologyLoaderMetaData();
}
/**
* @param error
* error to add to the error set
*/
public void addError(RDFResourceParseError error) {
errors.add(error);
}
}