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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.jdk;
import org.apache.dubbo.common.logger.Level;
import org.apache.dubbo.common.logger.Logger;
import org.apache.dubbo.common.logger.LoggerAdapter;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.util.logging.FileHandler;
import java.util.logging.Handler;
import java.util.logging.LogManager;
public class JdkLoggerAdapter implements LoggerAdapter {
public static final String NAME = "jdk";
private static final String GLOBAL_LOGGER_NAME = "global";
private File file;
private boolean propertiesLoaded = false;
public JdkLoggerAdapter() {
try {
InputStream in = Thread.currentThread().getContextClassLoader().getResourceAsStream("logging.properties");
if (in != null) {
LogManager.getLogManager().readConfiguration(in);
propertiesLoaded = true;
} else {
System.err.println("No such logging.properties in classpath for jdk logging config!");
}
} catch (Exception t) {
System.err.println("Failed to load logging.properties in classpath for jdk logging config, cause: " + t.getMessage());
}
try {
Handler[] handlers = java.util.logging.Logger.getLogger(GLOBAL_LOGGER_NAME).getHandlers();
for (Handler handler : handlers) {
if (handler instanceof FileHandler) {
FileHandler fileHandler = (FileHandler) handler;
Field field = fileHandler.getClass().getField("files");
File[] files = (File[]) field.get(fileHandler);
if (files != null && files.length > 0) {
file = files[0];
}
}
}
} catch (Exception ignored) {
// ignore
}
}
private static java.util.logging.Level toJdkLevel(Level level) {
if (level == Level.ALL) {
return java.util.logging.Level.ALL;
}
if (level == Level.TRACE) {
return java.util.logging.Level.FINER;
}
if (level == Level.DEBUG) {
return java.util.logging.Level.FINE;
}
if (level == Level.INFO) {
return java.util.logging.Level.INFO;
}
if (level == Level.WARN) {
return java.util.logging.Level.WARNING;
}
if (level == Level.ERROR) {
return java.util.logging.Level.SEVERE;
}
// if (level == Level.OFF)
return java.util.logging.Level.OFF;
}
private static Level fromJdkLevel(java.util.logging.Level level) {
if (level == java.util.logging.Level.ALL) {
return Level.ALL;
}
if (level == java.util.logging.Level.FINER) {
return Level.TRACE;
}
if (level == java.util.logging.Level.FINE) {
return Level.DEBUG;
}
if (level == java.util.logging.Level.INFO) {
return Level.INFO;
}
if (level == java.util.logging.Level.WARNING) {
return Level.WARN;
}
if (level == java.util.logging.Level.SEVERE) {
return Level.ERROR;
}
// if (level == java.util.logging.Level.OFF)
return Level.OFF;
}
@Override
public Logger getLogger(Class key) {
return new JdkLogger(java.util.logging.Logger.getLogger(key == null ? "" : key.getName()));
}
@Override
public Logger getLogger(String key) {
return new JdkLogger(java.util.logging.Logger.getLogger(key));
}
@Override
public Level getLevel() {
return fromJdkLevel(java.util.logging.Logger.getLogger(GLOBAL_LOGGER_NAME).getLevel());
}
@Override
public void setLevel(Level level) {
java.util.logging.Logger.getLogger(GLOBAL_LOGGER_NAME).setLevel(toJdkLevel(level));
}
@Override
public File getFile() {
return file;
}
@Override
public void setFile(File file) {
// ignore
}
@Override
public boolean isConfigured() {
return propertiesLoaded;
}
}