src/java.logging/share/classes/java/util/logging/LoggingMXBean.java
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/*
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 * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Oracle designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Oracle in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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package java.util.logging;
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/**
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 * The management interface for the logging facility.
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 *
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 * {@link java.lang.management.PlatformLoggingMXBean
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 * java.lang.management.PlatformLoggingMXBean} is the management interface
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 * for logging facility registered in the {@link
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 * java.lang.management.ManagementFactory#getPlatformMBeanServer()
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 * platform MBeanServer}.
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 * It is recommended to use the {@code PlatformLoggingMXBean} obtained via
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 * the {@link java.lang.management.ManagementFactory#getPlatformMXBean(Class)
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 * ManagementFactory.getPlatformMXBean(PlatformLoggingMXBean.class)} method.
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 *
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 * @deprecated {@code LoggingMXBean} is no longer a {@link
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 * java.lang.management.PlatformManagedObject platform MXBean} and is replaced
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 * with {@link java.lang.management.PlatformLoggingMXBean}.
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 * It will not register in the platform {@code MBeanServer}.
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 * Use {@code ManagementFactory.getPlatformMXBean(PlatformLoggingMXBean.class)}
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 * instead.
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 *
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 * @author  Ron Mann
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 * @author  Mandy Chung
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 * @since   1.5
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 *
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 * @see java.lang.management.PlatformLoggingMXBean
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 */
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@Deprecated(since="9")
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public interface LoggingMXBean {
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    /**
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     * Returns the list of currently registered logger names. This method
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     * calls {@link LogManager#getLoggerNames} and returns a list
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     * of the logger names.
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     *
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     * @return A list of {@code String} each of which is a
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     *         currently registered {@code Logger} name.
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     */
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    public java.util.List<String> getLoggerNames();
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    /**
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     * Gets the name of the log level associated with the specified logger.
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     * If the specified logger does not exist, {@code null}
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     * is returned.
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     * This method first finds the logger of the given name and
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     * then returns the name of the log level by calling:
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     * <blockquote>
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     *   {@link Logger#getLevel Logger.getLevel()}.{@link Level#getName getName()};
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     * </blockquote>
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     *
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     * <p>
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     * If the {@code Level} of the specified logger is {@code null},
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     * which means that this logger's effective level is inherited
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     * from its parent, an empty string will be returned.
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     *
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     * @param loggerName The name of the {@code Logger} to be retrieved.
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     *
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     * @return The name of the log level of the specified logger; or
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     *         an empty string if the log level of the specified logger
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     *         is {@code null}.  If the specified logger does not
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     *         exist, {@code null} is returned.
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     *
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     * @see Logger#getLevel
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     */
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    public String getLoggerLevel(String loggerName);
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    /**
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     * Sets the specified logger to the specified new level.
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     * If the {@code levelName} is not {@code null}, the level
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     * of the specified logger is set to the parsed {@code Level}
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     * matching the {@code levelName}.
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     * If the {@code levelName} is {@code null}, the level
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     * of the specified logger is set to {@code null} and
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     * the effective level of the logger is inherited from
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     * its nearest ancestor with a specific (non-null) level value.
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     *
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     * @param loggerName The name of the {@code Logger} to be set.
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     *                   Must be non-null.
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     * @param levelName The name of the level to set on the specified logger,
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     *                 or {@code null} if setting the level to inherit
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     *                 from its nearest ancestor.
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     *
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     * @throws IllegalArgumentException if the specified logger
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     * does not exist, or {@code levelName} is not a valid level name.
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     *
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     * @throws SecurityException if a security manager exists and if
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     * the caller does not have LoggingPermission("control").
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     *
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     * @see Logger#setLevel
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     */
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    public void setLoggerLevel(String loggerName, String levelName);
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    /**
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     * Returns the name of the parent for the specified logger.
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     * If the specified logger does not exist, {@code null} is returned.
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     * If the specified logger is the root {@code Logger} in the namespace,
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     * the result will be an empty string.
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     *
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     * @param loggerName The name of a {@code Logger}.
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     *
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     * @return the name of the nearest existing parent logger;
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     *         an empty string if the specified logger is the root logger.
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     *         If the specified logger does not exist, {@code null}
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     *         is returned.
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     */
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    public String getParentLoggerName(String loggerName);
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}