/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package org.opencloudb;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.apache.log4j.LogManager;
import org.apache.log4j.helpers.FileWatchdog;
import org.apache.log4j.xml.DOMConfigurator;
/**
* @author mycat
*/
public final class Log4jInitializer {
private static final String format = "yyyy-MM-dd HH:mm:ss";
public static void configureAndWatch(String filename, long delay) {
XMLWatchdog xdog = new XMLWatchdog(filename);
xdog.setName("Log4jWatchdog");
xdog.setDelay(delay);
xdog.start();
}
private static final class XMLWatchdog extends FileWatchdog {
public XMLWatchdog(String filename) {
super(filename);
}
@Override
public void doOnChange() {
new DOMConfigurator().doConfigure(filename, LogManager.getLoggerRepository());
System.out.println("log4j "+new SimpleDateFormat(format).format(new Date()) + " [" + filename + "] load completed.");
}
}
}