com.alibaba.dubbo.common.logger.log4j.Log4jLoggerAdapter Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of dubbo2 Show documentation
The all in one project of dubbo2
The newest version!
/*
 * Copyright 1999-2011 Alibaba Group.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.dubbo.common.logger.log4j;

import java.io.File;
import java.util.Enumeration;

import org.apache.log4j.Appender;
import org.apache.log4j.FileAppender;
import org.apache.log4j.LogManager;

import com.alibaba.dubbo.common.logger.Level;
import com.alibaba.dubbo.common.logger.Logger;
import com.alibaba.dubbo.common.logger.LoggerAdapter;

public class Log4jLoggerAdapter implements LoggerAdapter {

    private File            file;

	@SuppressWarnings("unchecked")
	public Log4jLoggerAdapter() {
		try {
			org.apache.log4j.Logger logger = LogManager.getRootLogger();
            if (logger != null) {
                Enumeration appenders = logger.getAllAppenders();
                if (appenders != null) {
                    while (appenders.hasMoreElements()) {
                        Appender appender = appenders.nextElement();
                        if (appender instanceof FileAppender) {
                            FileAppender fileAppender = (FileAppender)appender;
                            String filename = fileAppender.getFile();
                            file = new File(filename);
                            break;
                        }
                    }
                }
            }
        } catch (Throwable t) {
        }
	}

	public Logger getLogger(Class key) {
		return new Log4jLogger(LogManager.getLogger(key));
	}

	public Logger getLogger(String key) {
		return new Log4jLogger(LogManager.getLogger(key));
	}

	public void setLevel(Level level) {
		LogManager.getRootLogger().setLevel(toLog4jLevel(level));
	}

	public Level getLevel() {
		return fromLog4jLevel(LogManager.getRootLogger().getLevel());
	}

	public File getFile() {
		return file;
	}

	private static org.apache.log4j.Level toLog4jLevel(Level level) {
		if (level == Level.ALL)
			return org.apache.log4j.Level.ALL;
		if (level == Level.TRACE)
			return org.apache.log4j.Level.TRACE;
		if (level == Level.DEBUG)
			return org.apache.log4j.Level.DEBUG;
		if (level == Level.INFO)
			return org.apache.log4j.Level.INFO;
		if (level == Level.WARN)
			return org.apache.log4j.Level.WARN;
		if (level == Level.ERROR)
			return org.apache.log4j.Level.ERROR;
		// if (level == Level.OFF)
			return org.apache.log4j.Level.OFF;
	}

	private static Level fromLog4jLevel(org.apache.log4j.Level level) {
		if (level == org.apache.log4j.Level.ALL)
			return Level.ALL;
		if (level == org.apache.log4j.Level.TRACE)
			return Level.TRACE;
		if (level == org.apache.log4j.Level.DEBUG)
			return Level.DEBUG;
		if (level == org.apache.log4j.Level.INFO)
			return Level.INFO;
		if (level == org.apache.log4j.Level.WARN)
			return Level.WARN;
		if (level == org.apache.log4j.Level.ERROR)
			return Level.ERROR;
		// if (level == org.apache.log4j.Level.OFF)
			return Level.OFF;
	}

    public void setFile(File file) {
        
    }

}