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/**
 * Copyright (C) 2008, University of Manchester
 *
 * Modifications to the initial code base are copyright of their
 * respective authors, or their employers as appropriate.  Authorship
 * of the modifications may be determined from the ChangeLog placed at
 * the end of this file.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.

 * This library 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
 * Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
package org.coode.patterns;

import java.util.List;
import java.util.Set;

import org.coode.oppl.ConstraintSystem;
import org.coode.oppl.OPPLAbstractFactory;
import org.coode.oppl.OPPLScript;
import org.coode.oppl.ParserFactory;
import org.coode.oppl.Variable;
import org.coode.oppl.entity.OWLEntityRenderer;
import org.coode.oppl.entity.OWLEntityRendererImpl;
import org.coode.oppl.exceptions.RuntimeExceptionHandler;
import org.coode.oppl.rendering.ManchesterSyntaxRenderer;
import org.coode.oppl.rendering.VariableOWLEntityRenderer;
import org.coode.parsers.ErrorListener;
import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLAnnotation;
import org.semanticweb.owlapi.model.OWLAxiomChange;
import org.semanticweb.owlapi.model.OWLEntity;
import org.semanticweb.owlapi.model.OWLOntology;
import org.semanticweb.owlapi.model.OWLOntologyManager;
import org.semanticweb.owlapi.reasoner.OWLReasoner;
import org.semanticweb.owlapi.util.ShortFormProvider;

/** @author Luigi Iannone Jun 16, 2008 */
public class PatternModelFactory implements AbstractPatternModelFactory {
    private final OWLOntologyManager ontologyManager;
    private final OWLOntology ontology;
    private final OWLReasoner reasoner;

    /** @param ontology
     *            ontology
     * @param ontologyManager
     *            ontologyManager
     * @param reasoner
     *            reasoner */
    public PatternModelFactory(OWLOntology ontology, OWLOntologyManager ontologyManager,
            OWLReasoner reasoner) {
        this.ontologyManager = ontologyManager;
        this.ontology = ontology;
        this.reasoner = reasoner;
    }

    /** @param ontology
     *            ontology
     * @param ontologyManager
     *            ontologyManager */
    public PatternModelFactory(OWLOntology ontology, OWLOntologyManager ontologyManager) {
        this(ontology, ontologyManager, null);
    }

    @Override
    public PatternModel createPatternModel(OPPLScript opplScript)
            throws UnsuitableOPPLScriptException {
        if (opplScript.getActions().isEmpty()) {
            throw new UnsuitableOPPLScriptException(opplScript);
        } else {
            return new PatternModel(opplScript, ontologyManager, this);
        }
    }

    @Override
    public InstantiatedPatternModel createInstantiatedPatternModel(
            PatternModel patternModel, RuntimeExceptionHandler handler) {
        return new InstantiatedPatternModel(patternModel, handler);
    }

    @Override
    public PatternExtractor getPatternExtractor(ErrorListener errorListener) {
        return new PatternExtractor(ontology, ontologyManager, errorListener);
    }

    @Override
    public PatternExtractor getPatternExtractor(Set visitedAnnotations,
            ErrorListener errorListener) {
        return new PatternExtractor(ontology, ontologyManager, errorListener,
                visitedAnnotations);
    }

    @Override
    public PatternConstraintSystem createConstraintSystem() {
        final ConstraintSystem delegate = new ConstraintSystem(ontology, ontologyManager,
                getOPPLFactory());
        delegate.setReasoner(getReasoner());
        return new PatternConstraintSystem(delegate, ontologyManager, this);
    }

    @Override
    public PatternModel createPatternModel(String name, List> variables,
            List actions, Variable returnClause, String rendering,
            ConstraintSystem constraintSystem) throws EmptyVariableListException,
            EmptyActionListException {
        if (variables.isEmpty()) {
            throw new EmptyVariableListException();
        } else if (actions.isEmpty()) {
            throw new EmptyActionListException();
        } else {
            OPPLScript opplScript = getOPPLFactory().buildOPPLScript(constraintSystem,
                    variables, null, actions);
            try {
                PatternModel patternModel = this.createPatternModel(opplScript);
                patternModel.setRendering(rendering);
                patternModel.setIRI(IRI.create(PatternModel.NAMESPACE + name));
                return patternModel;
            } catch (UnsuitableOPPLScriptException e) {
                throw new RuntimeException(e);
            }
        }
    }

    /** @return the ontologyManager */
    public OWLOntologyManager getOntologyManager() {
        return ontologyManager;
    }

    /** @return the ontology */
    public OWLOntology getOntology() {
        return ontology;
    }

    @Override
    public ManchesterSyntaxRenderer getRenderer(
            final PatternConstraintSystem patternConstraintSystem) {
        return new ManchesterSyntaxRenderer(new ShortFormProvider() {
            @Override
            public String getShortForm(OWLEntity entity) {
                return PatternModelFactory.this.getOWLEntityRenderer(
                        patternConstraintSystem).render(entity);
            }

            @Override
            public void dispose() {}
        });
    }

    /** @param cs
     *            cs
     * @return entity renderer */
    public OWLEntityRenderer getOWLEntityRenderer(ConstraintSystem cs) {
        OWLEntityRendererImpl defaultRenderer = new OWLEntityRendererImpl();
        return new VariableOWLEntityRenderer(cs, defaultRenderer);
    }

    @Override
    public OPPLAbstractFactory getOPPLFactory() {
        ParserFactory parserFactory = new ParserFactory(ontologyManager, ontology,
                getReasoner());
        return parserFactory.getOPPLFactory();
    }

    /** @return the reasoner */
    public OWLReasoner getReasoner() {
        return reasoner;
    }
}




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