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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.dubbo.common.logger.log4j;
import org.apache.dubbo.common.logger.Level;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerAdapter;
import org.apache.log4j.Appender;
import org.apache.log4j.FileAppender;
import org.apache.log4j.LogManager;
import java.io.File;
import java.util.Enumeration;
public class Log4jLoggerAdapter implements LoggerAdapter {
public static final String NAME = "log4j";
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 (Exception t) {
// ignore
}
}
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;
}
@Override
public Logger getLogger(Class key) {
return new Log4jLogger(LogManager.getLogger(key));
}
@Override
public Logger getLogger(String key) {
return new Log4jLogger(LogManager.getLogger(key));
}
@Override
public Level getLevel() {
return fromLog4jLevel(LogManager.getRootLogger().getLevel());
}
@Override
public void setLevel(Level level) {
LogManager.getRootLogger().setLevel(toLog4jLevel(level));
}
@Override
public File getFile() {
return file;
}
@Override
public void setFile(File file) {
// ignore
}
@Override
public boolean isConfigured() {
boolean hasAppender = false;
try {
org.apache.log4j.Logger logger = LogManager.getRootLogger();
if (logger != null) {
Enumeration appenders = logger.getAllAppenders();
if (appenders != null) {
while (appenders.hasMoreElements()) {
hasAppender = true;
Appender appender = appenders.nextElement();
if (appender instanceof FileAppender) {
FileAppender fileAppender = (FileAppender) appender;
String filename = fileAppender.getFile();
file = new File(filename);
break;
}
}
}
}
} catch (Exception t) {
// ignore
}
return hasAppender;
}
}