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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.io;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.util.zip.ZipEntry;
import java.util.zip.ZipOutputStream;

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

/**
 * Author: Matthew Horridge

 * The University of Manchester

 * Information Management Group

 * Date: 03-Apr-2009
 */
public class ZipDocumentTarget implements OWLOntologyDocumentTarget {

    private final File file;


    /**
     * @param file the file to use
     */
    public ZipDocumentTarget(File file) {
        this.file = file;
    }


    @Override
    public boolean isWriterAvailable() {
        return false;
    }


    @Override
    public Writer getWriter() {
        throw new OWLRuntimeException("Writer not available.  getWriter() should not be called if isWriterAvailable() returns false.");
    }



    @Override
    public boolean isOutputStreamAvailable() {
        return true;
    }


    @Override
    public OutputStream getOutputStream() throws IOException {
        File parentFile = file.getAbsoluteFile().getParentFile();

		if(parentFile.exists() || parentFile.mkdirs()) {
            ZipOutputStream os = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(file)));
            os.putNextEntry(new ZipEntry("ontology.txt"));
            return os;
        }
        else {
            throw new IOException("Could not create directories: " + parentFile);
        }
    }


    @Override
    public boolean isDocumentIRIAvailable() {
        return false;
    }


    @Override
    public IRI getDocumentIRI() {
        throw new OWLRuntimeException("IRI not available.  getDocumentIRI() should not be called if isDocumentIRIAvailable() returns false.");
    }
}