/**
* Copyright (C) 2011 JTalks.org Team
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jtalks.jcommune.web.logging;
import org.slf4j.MDC;
/**
* Provides an ability to call methods from MDC without calling static methods. Allows to register a username in MDC so
* that in each line of code we see a user that caused that action.
*
* @author Anuar_Nurmakanov
*/
public class LoggerMdc {
//be careful, value must be the same as in logging pattern
private static final String USER_NAME_KEY = "userName";
/**
* Registers user's name in MDC.
*
* @param userName user's name
*/
public void registerUser(String userName) {
MDC.put(USER_NAME_KEY, userName);
}
/** Unregister user from current thread. Does nothing if it wasn't registered */
public void unregisterUser() {
MDC.remove(USER_NAME_KEY);
}
}