/*
 * $Id$
 *
 * Copyright (C) 2003-2015 JNode.org
 *
 * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package org.jnode.configure.adapter;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Properties;

/**
 * Property file adapter that loads and saves property files in classic Java
 * property file format (ISO 8859-1).
 * 
 * @author crawley@jnode.org
 */
public class PropertyFileAdapter extends BasePropertyFileAdapter {
    
    private static final String SIGNATURE = "# Generated by the JNode configure utility";

    private static BasePropertyFileAdapter.ValueCodec PROPERTY_VALUE_CODEC =
            new PropertyValueCodec();

    public PropertyFileAdapter() {
        super(PROPERTY_VALUE_CODEC, true, true);
    }

    @Override
    protected void loadFromFile(Properties props, InputStream input) throws IOException {
        props.load(input);
    }

    @Override
    protected void saveToFile(Properties props, OutputStream output, String comment)
        throws IOException {
        output.write(SIGNATURE.getBytes());
        output.write(System.getProperty("line.separator").getBytes());
        props.store(output, comment);
    }

    @Override
    protected String getSignatureLine() {
        return SIGNATURE;
    }
}