/*
 Copyright  2002-2004 MySQL AB, 2008 Sun Microsystems

 This program is free software; you can redistribute it and/or modify
 it under the terms of version 2 of the GNU General Public License as 
 published by the Free Software Foundation.

 There are special exceptions to the terms and conditions of the GPL 
 as it is applied to this software. View the full text of the 
 exception in file EXCEPTIONS-CONNECTOR-J in the directory of this 
 software distribution.

 This program 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 for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA



 */
package com.mysql.jdbc.log;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;

/**
 * Implementation of log interface for Apache Log4j
 * 
 * @author Mark Matthews
 * 
 * @version $Id$
 */
public class Log4JLogger implements Log {

	private Logger logger;

	public Log4JLogger(String instanceName) {
		this.logger = Logger.getLogger(instanceName);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#isDebugEnabled()
	 */
	public boolean isDebugEnabled() {
		return this.logger.isDebugEnabled();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#isErrorEnabled()
	 */
	public boolean isErrorEnabled() {
		return this.logger.isEnabledFor(Level.ERROR);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#isFatalEnabled()
	 */
	public boolean isFatalEnabled() {
		return this.logger.isEnabledFor(Level.FATAL);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#isInfoEnabled()
	 */
	public boolean isInfoEnabled() {
		return this.logger.isInfoEnabled();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#isTraceEnabled()
	 */
	public boolean isTraceEnabled() {
		return this.logger.isDebugEnabled();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#isWarnEnabled()
	 */
	public boolean isWarnEnabled() {
		return this.logger.isEnabledFor(Level.WARN);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logDebug(java.lang.Object)
	 */
	public void logDebug(Object msg) {
		this.logger.debug(LogUtils.expandProfilerEventIfNecessary(LogUtils
				.expandProfilerEventIfNecessary(msg)));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logDebug(java.lang.Object,
	 *      java.lang.Throwable)
	 */
	public void logDebug(Object msg, Throwable thrown) {
		this.logger.debug(LogUtils.expandProfilerEventIfNecessary(msg), thrown);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logError(java.lang.Object)
	 */
	public void logError(Object msg) {
		this.logger.error(LogUtils.expandProfilerEventIfNecessary(msg));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logError(java.lang.Object,
	 *      java.lang.Throwable)
	 */
	public void logError(Object msg, Throwable thrown) {
		this.logger.error(LogUtils.expandProfilerEventIfNecessary(msg), thrown);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logFatal(java.lang.Object)
	 */
	public void logFatal(Object msg) {
		this.logger.fatal(LogUtils.expandProfilerEventIfNecessary(msg));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logFatal(java.lang.Object,
	 *      java.lang.Throwable)
	 */
	public void logFatal(Object msg, Throwable thrown) {
		this.logger.fatal(LogUtils.expandProfilerEventIfNecessary(msg), thrown);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logInfo(java.lang.Object)
	 */
	public void logInfo(Object msg) {
		this.logger.info(LogUtils.expandProfilerEventIfNecessary(msg));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logInfo(java.lang.Object,
	 *      java.lang.Throwable)
	 */
	public void logInfo(Object msg, Throwable thrown) {
		this.logger.info(LogUtils.expandProfilerEventIfNecessary(msg), thrown);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logTrace(java.lang.Object)
	 */
	public void logTrace(Object msg) {
		this.logger.debug(LogUtils.expandProfilerEventIfNecessary(msg));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logTrace(java.lang.Object,
	 *      java.lang.Throwable)
	 */
	public void logTrace(Object msg, Throwable thrown) {
		this.logger.debug(LogUtils.expandProfilerEventIfNecessary(msg), thrown);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logWarn(java.lang.Object)
	 */
	public void logWarn(Object msg) {
		this.logger.warn(LogUtils.expandProfilerEventIfNecessary(msg));
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see com.mysql.jdbc.log.Log#logWarn(java.lang.Object,
	 *      java.lang.Throwable)
	 */
	public void logWarn(Object msg, Throwable thrown) {
		this.logger.warn(LogUtils.expandProfilerEventIfNecessary(msg), thrown);
	}
}
