Package org.semanticweb.owlapi.rio

Source Code of org.semanticweb.owlapi.rio.RioOWLRDFParser

/*
* This file is part of the OWL API.
*
* The contents of this file are subject to the LGPL License, Version 3.0.
*
* Copyright (C) 2014, Commonwealth Scientific and Industrial Research Organisation
*
* 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 2014, Commonwealth Scientific and Industrial Research Organisation
*
* 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.rio;

import static org.semanticweb.owlapi.util.OWLAPIPreconditions.checkNotNull;

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

import javax.annotation.Nonnull;
import javax.inject.Inject;

import org.openrdf.model.ValueFactory;
import org.openrdf.rio.RDFHandler;
import org.openrdf.rio.helpers.RDFParserBase;
import org.semanticweb.owlapi.io.OWLOntologyDocumentSource;
import org.semanticweb.owlapi.io.ReaderDocumentSource;
import org.semanticweb.owlapi.io.StreamDocumentSource;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLDocumentFormat;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyCreationException;
import org.semanticweb.owlapi.model.OWLOntologyManagerFactory;
import org.semanticweb.owlapi.model.OWLRuntimeException;

/**
* Parses {@link OWLAPIRDFFormat} parsers straight to Sesame {@link RDFHandler}
* s.
*
* @author Peter Ansell p_ansell@yahoo.com
* @since 4.0.0
*/
public class RioOWLRDFParser extends RDFParserBase {

    private final OWLAPIRDFFormat owlFormat;
    private final Set<OWLOntologyManagerFactory> ontologyManagerFactories = new HashSet<>();

    /**
     * @param owlFormat
     *        OWL format
     */
    public RioOWLRDFParser(OWLAPIRDFFormat owlFormat) {
        this.owlFormat = owlFormat;
    }

    /**
     * @param owlFormat
     *        OWL format
     * @param valueFactory
     *        value factory
     */
    public RioOWLRDFParser(OWLAPIRDFFormat owlFormat, ValueFactory valueFactory) {
        super(valueFactory);
        this.owlFormat = owlFormat;
    }

    /**
     * @param factories
     *        factories for ontology managers. This method is used for Guice
     *        injection.
     */
    @Inject
    public void setOntologyManagerFactories(
            Set<OWLOntologyManagerFactory> factories) {
        ontologyManagerFactories.clear();
        ontologyManagerFactories.addAll(factories);
    }

    @Override
    public OWLAPIRDFFormat getRDFFormat() {
        return owlFormat;
    }

    @Override
    public void parse(InputStream in, String baseURI) throws IOException {
        OWLDocumentFormat nextFormat = getRDFFormat().getOWLFormat();
        StreamDocumentSource source = new StreamDocumentSource(checkNotNull(in,
                "in cannot be null"), IRI.create(checkNotNull(baseURI,
                "baseURI cannot be null")), nextFormat, getRDFFormat()
                .getDefaultMIMEType());
        render(source);
    }

    /**
     * @param source
     *        the ontology source to parse
     * @throws IOException
     *         if an exception is raised during render
     */
    protected void render(@Nonnull OWLOntologyDocumentSource source)
            throws IOException {
        if (ontologyManagerFactories.isEmpty()) {
            throw new OWLRuntimeException(
                    "No ontology manager factories available, parsing is impossible");
        }
        // it is expected that only one implementation of
        // OWLOntologyManagerFactory will be available, but if there is more
        // than one, no harm done
        try {
            for (OWLOntologyManagerFactory f : ontologyManagerFactories) {
                OWLOntology ontology = f.get()
                        .loadOntologyFromOntologyDocument(source);
                new RioRenderer(ontology, getRDFHandler(), getRDFFormat()
                        .getOWLFormat()).render();
                return;
            }
        } catch (OWLOntologyCreationException e) {
            throw new OWLRuntimeException(e);
        }
    }

    @Override
    public void parse(Reader reader, String baseURI) throws IOException {
        OWLDocumentFormat nextFormat = getRDFFormat().getOWLFormat();
        ReaderDocumentSource source = new ReaderDocumentSource(checkNotNull(
                reader, "reader cannot be null"), IRI.create(checkNotNull(
                baseURI, "baseURI cannot be null")), nextFormat, getRDFFormat()
                .getDefaultMIMEType());
        render(source);
    }
}
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