/*
 This file is part of the software framework JStatCom, 
 a library for building applications for data based analysis.

 Copyright (C) 2000-2005  Markus Kraetzig

 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 USA
 */

package com.jstatcom.component;

import org.apache.log4j.Logger;

/**
 * Simple implementation of the OutHolder interface that
 * redirects output to log.info in the append
 * method. This class can be used with PCall objects in non
 * graphical console applications or in unit tests.
 * 
 * @author Markus Kraetzig 
 */
public final class SystemOutHolder implements OutHolder {
    private static final Logger log = Logger.getLogger(SystemOutHolder.class);

    /**
     * Redirects out to System.out.
     * 
     * @param out
     *            the string to append
     */
    public void append(String out) {
        log.info(out);
    }

    /**
     * Empty implementation.
     */
    public void clear() {

    }

}