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/*
 * 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.util;

import java.util.HashMap;
import java.util.Map;

import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.OWLOntologyIRIMapper;

/** Author: Matthew Horridge

 * The University Of Manchester

 * Bio-Health Informatics Group

 * Date: 07-Feb-2007

 * 

 * 
 * An ontology IRI mapper that can be used to map ontology IRIs to ontology
 * document IRIs which share the same base. */
public class CommonBaseIRIMapper implements OWLOntologyIRIMapper {
    private final IRI base;
    private final Map iriMap;

    /** Creates a mapper, which maps ontology URIs to URIs which share the
     * specified base
     * 
     * @param base
     *            the base IRI */
    public CommonBaseIRIMapper(IRI base) {
        this.base = base;
        iriMap = new HashMap();
    }

    /** Adds a mapping from an ontology IRI to an ontology document IRI which has
     * a base of this mapper and a specified local name - in other words the
     * document IRI will be determined by resolving the local name against the
     * URI base of this mapper.
     * 
     * @param ontologyIRI
     *            the ontology IRI
     * @param localName
     *            the document IRI */
    public void addMapping(IRI ontologyIRI, String localName) {
        IRI documentIRI = base.resolve(localName);
        iriMap.put(ontologyIRI, documentIRI);
    }

    @Override
    public IRI getDocumentIRI(IRI ontologyIRI) {
        return iriMap.get(ontologyIRI);
    }
}