/* * Copyright (c) 2000 jPOS.org.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in *    the documentation and/or other materials provided with the *    distribution. * * 3. The end-user documentation included with the redistribution, *    if any, must include the following acknowledgment: *    "This product includes software developed by the jPOS project  *    (http://www.jpos.org/)". Alternately, this acknowledgment may  *    appear in the software itself, if and wherever such third-party  *    acknowledgments normally appear. * * 4. The names "jPOS" and "jPOS.org" must not be used to endorse  *    or promote products derived from this software without prior  *    written permission. For written permission, please contact  *    license@jpos.org. * * 5. Products derived from this software may not be called "jPOS", *    nor may "jPOS" appear in their name, without prior written *    permission of the jPOS project. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.   * IN NO EVENT SHALL THE JPOS PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  * POSSIBILITY OF SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the jPOS Project.  For more * information please see <http://www.jpos.org/>. */package org.jpos.util;import java.io.ByteArrayOutputStream;import java.io.PrintStream;import org.apache.log4j.Level;import org.apache.log4j.xml.DOMConfigurator;import org.jpos.core.Configuration;import org.jpos.core.ConfigurationException;import org.jpos.core.ReConfigurable;/** * @author Eoin P. FLood</a> * @version $Revision: 1.8 $ $Date: 2005/02/25 10:49:52 $ * @see org.jpos.util.LogListener * @see org.jpos.util.LogEvent * @since jPOS 1.3 * * This class acts as a simple bridge between jPOS's logging system * and log4j. * The jPOS <code>realm</code> is used as the log4j <code>Logger</code> * and messages are by default logged with the DEBUG level. This can * be changed by calling <code>setLevel</code> */public class Log4JListener implements LogListener, ReConfigurable{    private Level _level;    /**      * Create a new Log4JListener with DEBUG level.     */    public Log4JListener ()    {        setLevel (Level.DEBUG_INT);    }    public void setLevel (int level) {        _level = Level.toLevel (level);    }    public void setLevel (String level) {        _level = Level.toLevel (level);    }    public void close()     {    }    /**     * Expects the following properties:     * <ul>     *  <li>config   - Configuration file path     *  <li>priority - Log4J priority (debug, info, warn, error)     *  <li>watch    - interval (in ms) to monitor XML config file for changes      * </ul>     */    public void setConfiguration (Configuration cfg)         throws ConfigurationException    {        DOMConfigurator.configureAndWatch (            cfg.get ("config"), cfg.getLong ("watch")        );        setLevel (cfg.get ("priority"));    }    public synchronized LogEvent log (LogEvent ev) {        org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger (            ev.getRealm().replace('/', ':')        );        if (logger.isEnabledFor ( _level)) {            ByteArrayOutputStream w = new ByteArrayOutputStream ();            PrintStream p = new PrintStream (w);            ev.dump (p, "");            logger.log (_level, w.toString());        }        return ev;    }}