author | alanb |
Mon, 01 Oct 2012 15:36:57 +0100 | |
changeset 14014 | da3648e13e67 |
parent 9035 | 1255eb81cc2f |
child 16098 | 9001e536ab4e |
child 14342 | 8435a30053c1 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2003, 2010, 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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import java.util.Enumeration; |
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import java.util.List; |
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import java.util.ArrayList; |
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/** |
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* Logging is the implementation class of LoggingMXBean. |
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* |
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* The <tt>LoggingMXBean</tt> interface provides a standard |
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* method for management access to the individual |
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* java.util.Logger objects available at runtime. |
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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 javax.management |
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* @see Logger |
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* @see LogManager |
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*/ |
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class Logging implements LoggingMXBean { |
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private static LogManager logManager = LogManager.getLogManager(); |
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/** Constructor of Logging which is the implementation class |
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* of LoggingMXBean. |
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*/ |
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Logging() { |
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} |
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public List<String> getLoggerNames() { |
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Enumeration loggers = logManager.getLoggerNames(); |
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ArrayList<String> array = new ArrayList<>(); |
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for (; loggers.hasMoreElements();) { |
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array.add((String) loggers.nextElement()); |
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} |
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return array; |
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} |
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private static String EMPTY_STRING = ""; |
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public String getLoggerLevel(String loggerName) { |
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Logger l = logManager.getLogger(loggerName); |
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if (l == null) { |
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return null; |
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} |
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Level level = l.getLevel(); |
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if (level == null) { |
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return EMPTY_STRING; |
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} else { |
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return level.getName(); |
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} |
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} |
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public void setLoggerLevel(String loggerName, String levelName) { |
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if (loggerName == null) { |
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throw new NullPointerException("loggerName is null"); |
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} |
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Logger logger = logManager.getLogger(loggerName); |
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if (logger == null) { |
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throw new IllegalArgumentException("Logger " + loggerName + |
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"does not exist"); |
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} |
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Level level = null; |
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if (levelName != null) { |
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// parse will throw IAE if logLevel is invalid |
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level = Level.parse(levelName); |
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} |
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logger.setLevel(level); |
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} |
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public String getParentLoggerName( String loggerName ) { |
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Logger l = logManager.getLogger( loggerName ); |
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if (l == null) { |
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return null; |
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} |
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Logger p = l.getParent(); |
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if (p == null) { |
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// root logger |
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return EMPTY_STRING; |
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} else { |
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return p.getName(); |
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} |
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} |
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} |