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* Copyright (c) 2009, 2011, 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
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*/
package java.lang.management;
/**
* The management interface for the {@linkplain java.util.logging logging} facility.
*
* <p>There is a single global instance of the {@code PlatformLoggingMXBean}.
* The {@link java.lang.management.ManagementFactory#getPlatformMXBean(Class)
* ManagementFactory.getPlatformMXBean} method can be used to obtain
* the {@code PlatformLoggingMXBean} object as follows:
* <pre>
* PlatformLoggingMXBean logging = ManagementFactory.getPlatformMXBean(PlatformLoggingMXBean.class);
* </pre>
* The {@code PlatformLoggingMXBean} object is also registered with the
* platform {@linkplain java.lang.management.ManagementFactory#getPlatformMBeanServer
* MBeanServer}.
* The {@link javax.management.ObjectName ObjectName} for uniquely
* identifying the {@code PlatformLoggingMXBean} within an MBeanServer is:
* <pre>
* {@link java.util.logging.LogManager#LOGGING_MXBEAN_NAME java.util.logging:type=Logging}
* </pre>
*
* @since 1.7
*/
public interface PlatformLoggingMXBean extends PlatformManagedObject {
/**
* Returns the list of the currently registered
* {@linkplain java.util.logging.Logger logger} names. This method
* calls {@link java.util.logging.LogManager#getLoggerNames} and
* returns a list of the logger names.
*
* @return A list of {@code String} each of which is a
* currently registered {@code Logger} name.
*/
java.util.List<String> getLoggerNames();
/**
* Gets the name of the log {@linkplain java.util.logging.Logger#getLevel
* level} associated with the specified logger.
* If the specified logger does not exist, {@code null}
* is returned.
* This method first finds the logger of the given name and
* then returns the name of the log level by calling:
* <blockquote>
* {@link java.util.logging.Logger#getLevel
* Logger.getLevel()}.{@link java.util.logging.Level#getName getName()};
* </blockquote>
*
* <p>
* If the {@code Level} of the specified logger is {@code null},
* which means that this logger's effective level is inherited
* from its parent, an empty string will be returned.
*
* @param loggerName The name of the {@code Logger} to be retrieved.
*
* @return The name of the log level of the specified logger; or
* an empty string if the log level of the specified logger
* is {@code null}. If the specified logger does not
* exist, {@code null} is returned.
*
* @see java.util.logging.Logger#getLevel
*/
String getLoggerLevel(String loggerName);
/**
* Sets the specified logger to the specified new
* {@linkplain java.util.logging.Logger#setLevel level}.
* If the {@code levelName} is not {@code null}, the level
* of the specified logger is set to the parsed
* {@link java.util.logging.Level Level}
* matching the {@code levelName}.
* If the {@code levelName} is {@code null}, the level
* of the specified logger is set to {@code null} and
* the effective level of the logger is inherited from
* its nearest ancestor with a specific (non-null) level value.
*
* @param loggerName The name of the {@code Logger} to be set.
* Must be non-null.
* @param levelName The name of the level to set on the specified logger,
* or {@code null} if setting the level to inherit
* from its nearest ancestor.
*
* @throws IllegalArgumentException if the specified logger
* does not exist, or {@code levelName} is not a valid level name.
*
* @throws SecurityException if a security manager exists and if
* the caller does not have LoggingPermission("control").
*
* @see java.util.logging.Logger#setLevel
*/
void setLoggerLevel(String loggerName, String levelName);
/**
* Returns the name of the
* {@linkplain java.util.logging.Logger#getParent parent}
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