uk.ac.manchester.cs.owl.owlapi.mansyntaxrenderer.ManchesterOWLSyntaxOWLObjectRendererImpl Maven / Gradle / Ivy

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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 uk.ac.manchester.cs.owl.owlapi.mansyntaxrenderer;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;

import org.semanticweb.owlapi.io.OWLObjectRenderer;
import org.semanticweb.owlapi.model.OWLObject;
import org.semanticweb.owlapi.util.ShortFormProvider;
import org.semanticweb.owlapi.util.SimpleShortFormProvider;


/**
 * Author: Matthew Horridge

 * The University Of Manchester

 * Bio-Health Informatics Group

 * Date: 25-Nov-2007


 *
 * An implementation of the OWLObjectRenderer interface.  (Renders
 * standalone class class expressions and axioms in the manchester syntax).
 */
@SuppressWarnings("javadoc")
public class ManchesterOWLSyntaxOWLObjectRendererImpl implements OWLObjectRenderer {

    private ManchesterOWLSyntaxObjectRenderer ren;

    private WriterDelegate writerDelegate;


    public ManchesterOWLSyntaxOWLObjectRendererImpl() {
        writerDelegate = new WriterDelegate();
        ren = new ManchesterOWLSyntaxObjectRenderer(writerDelegate, new SimpleShortFormProvider());
    }


    @Override
    public synchronized String render(OWLObject object) {
        writerDelegate.reset();
        object.accept(ren);
        return writerDelegate.toString();
    }


    @Override
    public synchronized void setShortFormProvider(ShortFormProvider shortFormProvider) {
        ren = new ManchesterOWLSyntaxObjectRenderer(writerDelegate, shortFormProvider);
    }

    private static class WriterDelegate extends Writer {

        private StringWriter delegate;

        public WriterDelegate() {
			// TODO Auto-generated constructor stub
		}


        protected void reset() {
            delegate = new StringWriter();
        }


        @Override
		public String toString() {
            return delegate.getBuffer().toString();
        }


        @Override
		public void close() throws IOException {
            delegate.close();
        }


        @Override
		public void flush() throws IOException {
            delegate.flush();
        }


        @Override
		public void write(char cbuf[], int off, int len) throws IOException {
            delegate.write(cbuf, off, len);
        }
    }
}