com.noelios.restlet.util.TraceHandler Maven / Gradle / Ivy

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This OSGi bundle wraps org.restlet, and com.noelios.restlet ${pkgVersion} jar files.

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/**
 * Copyright 2005-2008 Noelios Technologies.
 * 
 * The contents of this file are subject to the terms of the following open
 * source licenses: LGPL 3.0 or LGPL 2.1 or CDDL 1.0 (the "Licenses"). You can
 * select the license that you prefer but you may not use this file except in
 * compliance with one of these Licenses.
 * 
 * You can obtain a copy of the LGPL 3.0 license at
 * http://www.gnu.org/licenses/lgpl-3.0.html
 * 
 * You can obtain a copy of the LGPL 2.1 license at
 * http://www.gnu.org/licenses/lgpl-2.1.html
 * 
 * You can obtain a copy of the CDDL 1.0 license at
 * http://www.sun.com/cddl/cddl.html
 * 
 * See the Licenses for the specific language governing permissions and
 * limitations under the Licenses.
 * 
 * Alternatively, you can obtain a royaltee free commercial license with less
 * limitations, transferable or non-transferable, directly at
 * http://www.noelios.com/products/restlet-engine
 * 
 * Restlet is a registered trademark of Noelios Technologies.
 */

package com.noelios.restlet.util;

import java.util.logging.Handler;
import java.util.logging.LogRecord;
import java.util.logging.Logger;

/**
 * Special handler that logs in the console all log message sent through the log
 * manager. For each log record, it displays the source logger name and the
 * actual message.
 * 
 * This is particularly useful for debugging.
 * 
 * @author Jerome Louvel
 */
public class TraceHandler extends Handler {

    /**
     * Registers the handler with the root logger. Removes any default handler
     * like the default console handler.
     */
    public static void register() {
        Logger rootLogger = Logger.getLogger("");

        for (Handler handler : rootLogger.getHandlers()) {
            rootLogger.removeHandler(handler);
        }

        rootLogger.addHandler(new TraceHandler());
    }

    @Override
    public void close() throws SecurityException {
    }

    @Override
    public void flush() {
    }

    @Override
    public void publish(LogRecord record) {
        System.out.println("[" + record.getLevel().getLocalizedName() + "]["
                + record.getLoggerName() + "] " + record.getMessage());
    }

}