uk.ac.manchester.cs.owl.owlapi.OWLLiteralImplString 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 2014, 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.
* 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 uk.ac.manchester.cs.owl.owlapi;
import java.util.Collections;
import java.util.Set;
import javax.annotation.Nonnull;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLAnnotationProperty;
import org.semanticweb.owlapi.model.OWLAnnotationValueVisitor;
import org.semanticweb.owlapi.model.OWLAnnotationValueVisitorEx;
import org.semanticweb.owlapi.model.OWLAnonymousIndividual;
import org.semanticweb.owlapi.model.OWLClass;
import org.semanticweb.owlapi.model.OWLClassExpression;
import org.semanticweb.owlapi.model.OWLDataProperty;
import org.semanticweb.owlapi.model.OWLDataVisitor;
import org.semanticweb.owlapi.model.OWLDataVisitorEx;
import org.semanticweb.owlapi.model.OWLDatatype;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLLiteral;
import org.semanticweb.owlapi.model.OWLNamedIndividual;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.model.OWLObjectProperty;
import org.semanticweb.owlapi.model.OWLObjectVisitor;
import org.semanticweb.owlapi.model.OWLObjectVisitorEx;
import org.semanticweb.owlapi.util.CollectionFactory;
import org.semanticweb.owlapi.util.OWLObjectTypeIndexProvider;
import org.semanticweb.owlapi.vocab.OWL2Datatype;
import org.semanticweb.owlapi.vocab.OWLRDFVocabulary;
import com.google.common.base.Optional;
/**
* An OWLLiteral with xsd:string datatype and no language tag
*
* @author Matthew Horridge, The University Of Manchester, Bio-Health Informatics Group, Date:
* 26-Oct-2006
*/
public class OWLLiteralImplString implements OWLLiteral {
private static final long serialVersionUID = 30406L;
@Nonnull
private static final OWLDatatype XSD_STRING = new OWL2DatatypeImpl(OWL2Datatype.XSD_STRING);
@Nonnull
private final String literal;
private final int hashCode;
/**
* @param literal the lexical form
*/
public OWLLiteralImplString(@Nonnull String literal) {
this.literal = literal;
hashCode = getHashCode(literal);
}
private static int index() {
return OWLObjectTypeIndexProvider.DATA_TYPE_INDEX_BASE + 8;
}
@Override
public String getLiteral() {
return literal;
}
@Override
public boolean hasLang() {
return false;
}
@Override
public int parseInteger() throws NumberFormatException {
return Integer.parseInt(getLiteral());
}
@Override
public boolean isRDFPlainLiteral() {
return false;
}
@Override
public boolean isInteger() {
return false;
}
@Override
public boolean isBoolean() {
return false;
}
@Override
public boolean isDouble() {
return false;
}
@Override
public boolean isFloat() {
return false;
}
@Override
public boolean parseBoolean() {
throw new NumberFormatException(getClass().getName() + " does not have a boolean value");
}
@Override
public double parseDouble() {
throw new NumberFormatException(getClass().getName() + " does not have a double value");
}
@Override
public float parseFloat() {
throw new NumberFormatException(getClass().getName() + " does not have a float value");
}
@Override
public String getLang() {
return "";
}
@Override
public boolean hasLang(String l) {
return false;
}
@Override
public OWLDatatype getDatatype() {
return XSD_STRING;
}
@Override
public int hashCode() {
return hashCode;
}
private final int getHashCode(String lit) {
int code = 277;
code = code * 37 + OWLLiteralImpl.RDF_PLAIN_LITERAL.hashCode();
code = code * 37 + lit.hashCode() * 65536;
if (hasLang()) {
code = code * 37 + getLang().hashCode();
}
return code;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (this == obj) {
return true;
}
if (!(obj instanceof OWLLiteral)) {
return false;
}
OWLLiteral other = (OWLLiteral) obj;
return getLiteral().equals(other.getLiteral())
&& (getDatatype().equals(other.getDatatype())
|| OWL2Datatype.RDF_PLAIN_LITERAL.getIRI().equals(other.getDatatype().getIRI())
|| OWLRDFVocabulary.RDF_LANG_STRING.getIRI().equals(other.getDatatype().getIRI()))
&& getLang().equals(other.getLang());
}
@Override
public void accept(OWLDataVisitor visitor) {
visitor.visit(this);
}
@Override
public O accept(OWLDataVisitorEx visitor) {
return visitor.visit(this);
}
@Override
public void accept(OWLAnnotationValueVisitor visitor) {
visitor.visit(this);
}
@Override
public O accept(OWLAnnotationValueVisitorEx visitor) {
return visitor.visit(this);
}
protected int compareObjectOfSameType(OWLObject object) {
OWLLiteral other = (OWLLiteral) object;
int diff = getDatatype().compareTo(other.getDatatype());
if (diff != 0) {
return diff;
}
diff = getLiteral().compareTo(other.getLiteral());
if (diff != 0) {
return diff;
}
return getLang().compareTo(other.getLang());
}
@Override
public void accept(OWLObjectVisitor visitor) {
visitor.visit(this);
}
@Override
public O accept(OWLObjectVisitorEx visitor) {
return visitor.visit(this);
}
@Override
public Set getSignature() {
return Collections.singleton((OWLEntity) XSD_STRING);
}
@Override
public Set getAnonymousIndividuals() {
return CollectionFactory.emptySet();
}
@Override
public Set getClassesInSignature() {
return CollectionFactory.emptySet();
}
@Override
public Set getAnnotationPropertiesInSignature() {
return CollectionFactory.emptySet();
}
@Override
public Set getDataPropertiesInSignature() {
return CollectionFactory.emptySet();
}
@Override
public Set getObjectPropertiesInSignature() {
return CollectionFactory.emptySet();
}
@Override
public Set getIndividualsInSignature() {
return CollectionFactory.emptySet();
}
@Override
public Set getDatatypesInSignature() {
return CollectionFactory.emptySet();
}
@Override
public Set getNestedClassExpressions() {
return CollectionFactory.emptySet();
}
@Override
public boolean isTopEntity() {
return false;
}
@Override
public boolean isBottomEntity() {
return false;
}
@Override
public int compareTo(OWLObject o) {
int thisTypeIndex = index();
int otherTypeIndex = 0;
if (o instanceof OWLObjectImplWithEntityAndAnonCaching) {
otherTypeIndex = ((OWLObjectImplWithEntityAndAnonCaching) o).index();
} else {
otherTypeIndex =
OWLObjectImplWithEntityAndAnonCaching.OWLOBJECT_TYPEINDEX_PROVIDER.getTypeIndex(o);
}
int diff = thisTypeIndex - otherTypeIndex;
if (diff == 0) {
// Objects are the same type
return compareObjectOfSameType(o);
} else {
return diff;
}
}
@Override
public boolean containsEntityInSignature(OWLEntity owlEntity) {
return false;
}
@Override
public Optional asIRI() {
return Optional.absent();
}
@Override
public Optional asAnonymousIndividual() {
return Optional.absent();
}
@Override
public Optional asLiteral() {
return Optional.of(this);
}
}