001/** 002 * Copyright (C) 2007 - 2016, Jens Lehmann 003 * 004 * This file is part of DL-Learner. 005 * 006 * DL-Learner is free software; you can redistribute it and/or modify 007 * it under the terms of the GNU General Public License as published by 008 * the Free Software Foundation; either version 3 of the License, or 009 * (at your option) any later version. 010 * 011 * DL-Learner is distributed in the hope that it will be useful, 012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 014 * GNU General Public License for more details. 015 * 016 * You should have received a copy of the GNU General Public License 017 * along with this program. If not, see <http://www.gnu.org/licenses/>. 018 */ 019package org.dllearner.utilities.owl; 020 021import java.io.ByteArrayInputStream; 022import java.io.ByteArrayOutputStream; 023import java.io.IOException; 024 025import org.semanticweb.owlapi.model.OWLOntology; 026import org.semanticweb.owlapi.model.OWLOntologyCreationException; 027import org.semanticweb.owlapi.model.OWLOntologyManager; 028import org.semanticweb.owlapi.model.OWLOntologyStorageException; 029 030/** 031 * Created by IntelliJ IDEA. 032 * User: Chris Shellenbarger 033 * Date: 3/13/12 034 * Time: 6:24 PM 035 * 036 * A Byte Array based implementation of the OntologyToByteConverter interface. 037 */ 038public class SimpleOntologyToByteConverter implements OntologyToByteConverter { 039 040 @Override 041 public byte[] convert(OWLOntology ontology) { 042 043 ByteArrayOutputStream baos = new ByteArrayOutputStream(); 044 045 OWLOntologyManager manager = ontology.getOWLOntologyManager(); 046 try { 047 manager.saveOntology(ontology, baos); 048 baos.close(); 049 } catch (OWLOntologyStorageException | IOException e) { 050 throw new RuntimeException(e); 051 } 052 053 return baos.toByteArray(); 054 } 055 056 @Override 057 public OWLOntology convert(byte[] bytes, OWLOntologyManager manager) { 058 059 ByteArrayInputStream bais = new ByteArrayInputStream(bytes); 060 061 try { 062 OWLOntology ontology = manager.loadOntologyFromOntologyDocument(bais); 063 bais.close(); 064 return ontology; 065 } catch (OWLOntologyCreationException | IOException e) { 066 throw new RuntimeException(e); 067 } 068 } 069}