120 lines
3.6 KiB
Java
120 lines
3.6 KiB
Java
/*
|
|
* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code 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
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package java.util.logging;
|
|
|
|
import java.util.Enumeration;
|
|
import java.util.List;
|
|
import java.util.ArrayList;
|
|
|
|
/**
|
|
* Logging is the implementation class of LoggingMXBean.
|
|
*
|
|
* The <tt>LoggingMXBean</tt> interface provides a standard
|
|
* method for management access to the individual
|
|
* {@code Logger} objects available at runtime.
|
|
*
|
|
* @author Ron Mann
|
|
* @author Mandy Chung
|
|
* @since 1.5
|
|
*
|
|
* @see javax.management
|
|
* @see Logger
|
|
* @see LogManager
|
|
*/
|
|
class Logging implements LoggingMXBean {
|
|
|
|
private static LogManager logManager = LogManager.getLogManager();
|
|
|
|
/** Constructor of Logging which is the implementation class
|
|
* of LoggingMXBean.
|
|
*/
|
|
Logging() {
|
|
}
|
|
|
|
public List<String> getLoggerNames() {
|
|
Enumeration<String> loggers = logManager.getLoggerNames();
|
|
ArrayList<String> array = new ArrayList<>();
|
|
|
|
for (; loggers.hasMoreElements();) {
|
|
array.add(loggers.nextElement());
|
|
}
|
|
return array;
|
|
}
|
|
|
|
private static String EMPTY_STRING = "";
|
|
public String getLoggerLevel(String loggerName) {
|
|
Logger l = logManager.getLogger(loggerName);
|
|
if (l == null) {
|
|
return null;
|
|
}
|
|
|
|
Level level = l.getLevel();
|
|
if (level == null) {
|
|
return EMPTY_STRING;
|
|
} else {
|
|
return level.getLevelName();
|
|
}
|
|
}
|
|
|
|
public void setLoggerLevel(String loggerName, String levelName) {
|
|
if (loggerName == null) {
|
|
throw new NullPointerException("loggerName is null");
|
|
}
|
|
|
|
Logger logger = logManager.getLogger(loggerName);
|
|
if (logger == null) {
|
|
throw new IllegalArgumentException("Logger " + loggerName +
|
|
"does not exist");
|
|
}
|
|
|
|
Level level = null;
|
|
if (levelName != null) {
|
|
// parse will throw IAE if logLevel is invalid
|
|
level = Level.findLevel(levelName);
|
|
if (level == null) {
|
|
throw new IllegalArgumentException("Unknown level \"" + levelName + "\"");
|
|
}
|
|
}
|
|
|
|
logger.setLevel(level);
|
|
}
|
|
|
|
public String getParentLoggerName( String loggerName ) {
|
|
Logger l = logManager.getLogger( loggerName );
|
|
if (l == null) {
|
|
return null;
|
|
}
|
|
|
|
Logger p = l.getParent();
|
|
if (p == null) {
|
|
// root logger
|
|
return EMPTY_STRING;
|
|
} else {
|
|
return p.getName();
|
|
}
|
|
}
|
|
}
|