fr.lip6.move.pnml.framework.utils.logging.LogMaster.java Source code

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Here is the source code for fr.lip6.move.pnml.framework.utils.logging.LogMaster.java

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/**
 *  Copyright 2009-2016 Universit Paris Ouest and Sorbonne Universits,
 *                      Univ. Paris 06 - CNRS UMR 7606 (LIP6)
 *
 *  All rights reserved.   This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  which accompanies this distribution, and is available at
 *  http://www.eclipse.org/legal/epl-v10.html
 *
 *  Project leader / Initial Contributor:
 *    Lom Messan Hillah - <lom-messan.hillah@lip6.fr>
 *
 *  Contributors:
 *    ${ocontributors} - <$oemails}>
 *
 *  Mailing list:
 *    lom-messan.hillah@lip6.fr
 */
/**
 *
 */
package fr.lip6.move.pnml.framework.utils.logging;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This utility class is used for logging access and config.
 * <p>
 * Logging level is set to <strong>info</strong> by default in embedded <strong>logback.xml</strong> You can
 * change that by using the following command-line property to Java:
 * <code>java -Dlogback.configurationFile=/path/to/config.xml ...</code.
 * <p>
 *
 * @author Guillaume Giffo
 * @author lom
 *
 */
public final class LogMaster {
    /**
     * The logger class. SLF4JLog
     */
    private static String logger = "org.apache.commons.logging.impl.SimpleLog";
    // "org.apache.commons.logging.impl.SimpleLog";
    /**
     * the level of logging.
     */
    private static String level = "info";

    static {
        // set the logger class
        System.setProperty("org.apache.commons.logging.Log", logger);
        System.setProperty("org.apache.commons.logging.simplelog.defaultlog", level);
        System.setProperty("org.apache.commons.logging.simplelog.showdatetime", "false");
        System.setProperty("org.apache.commons.logging.simplelog.showlogname", "true");
        System.setProperty("org.apache.commons.logging.simplelog.showShortLogname", "true");
        System.setProperty("org.slf4j.simpleLogger.levelInBrackets", "true");

        System.setProperty("org.apache.commons.logging.simplelog.dateTimeFormat", "yyyy/MM/dd HH:mm:ss");
    }

    /**
     * The singleton instance.
     */
    private static LogMaster instance;

    /**
     * Set all default values for logger, using user set ones if any.
     */
    private LogMaster() {

    }

    /**
     * Set the logging level for future logger, Be careful this destroys the
     * singleton.
     *
     * @param myLevel
     *            debug, error...
     * @return the old level
     * @deprecated
     */
    public static String setLevel(String myLevel) {
        final String old = level;
        level = myLevel;
        System.setProperty("org.apache.commons.logging.simplelog.defaultlog", level);
        instance = null; // NOPMD by ggiffo on 7/21/08 5:00 PM
        return old;
    }

    /**
     * Set the logging classes for future logger, Be careful this destroys the
     * singleton. May be used before any log instanciation.
     *
     * @param mylogger
     *            the class to logger
     * @return the old logger
     * @deprecated
     */
    public static String setlogger(String mylogger) {
        final String old = logger;
        logger = mylogger;
        instance = null; // NOPMD by ggiffo on 7/21/08 5:00 PM
        return old;
    }

    /**
     * Gives a logger.
     *
     * @param name
     *            The logger name identification
     * @return a Logger
     * @see org.apache.commons.logging.Log
     * @deprecated @see {{@link #getLogger(String)}
     */
    public static synchronized Log giveLogger(String name) { // NOPMD by
        // ggiffo on
        // 7/21/08 5:00
        // PM
        if (instance == null) {
            instance = new LogMaster();
        }
        return LogFactory.getFactory().getInstance(name);
    }

    /**
     * <p>Provides a logger. Logging level is set to <strong>info</strong> by default.</p>
     * <p><code>TRACE lt DEBUG lt INFO lt WARN lt ERROR</code></p>
     *
     * @param name
     *            The logger name identification
     * @return a Logger
     * @see org.slf4j.Logger
     */
    public static synchronized Logger getLogger(String name) {
        return LoggerFactory.getLogger(name);
    }
}