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/*
* Copyright 2003-2008 Sun Microsystems, Inc. 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. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.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;
import javax.management.ObjectName;
/**
* Logging is the implementation class of LoggingMXBean.
*
* The <tt>LoggingMXBean</tt> interface provides a standard
* method for management access to the individual
* java.util.Logger objects available at runtime.
*
* @author Ron Mann
* @author Mandy Chung
* @since 1.5
*
* @see javax.management
* @see java.util.Logger
* @see java.util.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 loggers = logManager.getLoggerNames();
ArrayList<String> array = new ArrayList<String>();
for (; loggers.hasMoreElements();) {
array.add((String) 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.getName();
}
}
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.parse(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();
}
}
public ObjectName getObjectName() {
return ObjectName.valueOf(LogManager.LOGGING_MXBEAN_NAME);
}
}
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