author | dfuchs |
Tue, 02 Jul 2013 19:47:58 +0200 | |
changeset 18595 | c6f81d76027a |
parent 18593 | 40715ebb6681 |
child 19809 | dc0480c1b36c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2000, 2013, 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.io.*; |
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import java.util.*; |
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import java.security.*; |
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import java.lang.ref.ReferenceQueue; |
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import java.lang.ref.WeakReference; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.InvocationTargetException; |
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import java.lang.reflect.Method; |
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import java.beans.PropertyChangeListener; |
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import sun.misc.JavaAWTAccess; |
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import sun.misc.SharedSecrets; |
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/** |
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* There is a single global LogManager object that is used to |
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* maintain a set of shared state about Loggers and log services. |
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* <p> |
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* This LogManager object: |
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* <ul> |
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* <li> Manages a hierarchical namespace of Logger objects. All |
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* named Loggers are stored in this namespace. |
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* <li> Manages a set of logging control properties. These are |
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* simple key-value pairs that can be used by Handlers and |
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* other logging objects to configure themselves. |
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* </ul> |
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* <p> |
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* The global LogManager object can be retrieved using LogManager.getLogManager(). |
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* The LogManager object is created during class initialization and |
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* cannot subsequently be changed. |
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* <p> |
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* At startup the LogManager class is located using the |
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* java.util.logging.manager system property. |
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* <p> |
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* The LogManager defines two optional system properties that allow control over |
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* the initial configuration: |
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* <ul> |
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* <li>"java.util.logging.config.class" |
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* <li>"java.util.logging.config.file" |
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* </ul> |
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* These two properties may be specified on the command line to the "java" |
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* command, or as system property definitions passed to JNI_CreateJavaVM. |
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* <p> |
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* If the "java.util.logging.config.class" property is set, then the |
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* property value is treated as a class name. The given class will be |
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* loaded, an object will be instantiated, and that object's constructor |
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* is responsible for reading in the initial configuration. (That object |
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* may use other system properties to control its configuration.) The |
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* alternate configuration class can use <tt>readConfiguration(InputStream)</tt> |
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* to define properties in the LogManager. |
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* <p> |
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* If "java.util.logging.config.class" property is <b>not</b> set, |
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* then the "java.util.logging.config.file" system property can be used |
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* to specify a properties file (in java.util.Properties format). The |
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* initial logging configuration will be read from this file. |
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* <p> |
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* If neither of these properties is defined then the LogManager uses its |
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* default configuration. The default configuration is typically loaded from the |
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* properties file "{@code lib/logging.properties}" in the Java installation |
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* directory. |
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* <p> |
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* The properties for loggers and Handlers will have names starting |
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* with the dot-separated name for the handler or logger. |
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* <p> |
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* The global logging properties may include: |
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* <ul> |
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* <li>A property "handlers". This defines a whitespace or comma separated |
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* list of class names for handler classes to load and register as |
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* handlers on the root Logger (the Logger named ""). Each class |
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* name must be for a Handler class which has a default constructor. |
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* Note that these Handlers may be created lazily, when they are |
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* first used. |
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* |
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* <li>A property "<logger>.handlers". This defines a whitespace or |
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* comma separated list of class names for handlers classes to |
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* load and register as handlers to the specified logger. Each class |
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* name must be for a Handler class which has a default constructor. |
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* Note that these Handlers may be created lazily, when they are |
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* first used. |
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* |
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* <li>A property "<logger>.useParentHandlers". This defines a boolean |
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* value. By default every logger calls its parent in addition to |
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* handling the logging message itself, this often result in messages |
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* being handled by the root logger as well. When setting this property |
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* to false a Handler needs to be configured for this logger otherwise |
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* no logging messages are delivered. |
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* |
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* <li>A property "config". This property is intended to allow |
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* arbitrary configuration code to be run. The property defines a |
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* whitespace or comma separated list of class names. A new instance will be |
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* created for each named class. The default constructor of each class |
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* may execute arbitrary code to update the logging configuration, such as |
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* setting logger levels, adding handlers, adding filters, etc. |
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* </ul> |
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* <p> |
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* Note that all classes loaded during LogManager configuration are |
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* first searched on the system class path before any user class path. |
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* That includes the LogManager class, any config classes, and any |
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* handler classes. |
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* <p> |
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* Loggers are organized into a naming hierarchy based on their |
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* dot separated names. Thus "a.b.c" is a child of "a.b", but |
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* "a.b1" and a.b2" are peers. |
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* <p> |
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* All properties whose names end with ".level" are assumed to define |
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* log levels for Loggers. Thus "foo.level" defines a log level for |
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* the logger called "foo" and (recursively) for any of its children |
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* in the naming hierarchy. Log Levels are applied in the order they |
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* are defined in the properties file. Thus level settings for child |
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* nodes in the tree should come after settings for their parents. |
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* The property name ".level" can be used to set the level for the |
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* root of the tree. |
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* <p> |
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* All methods on the LogManager object are multi-thread safe. |
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* |
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* @since 1.4 |
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*/ |
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public class LogManager { |
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// The global LogManager object |
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private static LogManager manager; |
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private Properties props = new Properties(); |
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private final static Level defaultLevel = Level.INFO; |
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// The map of the registered listeners. The map value is the registration |
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// count to allow for cases where the same listener is registered many times. |
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private final Map<Object,Integer> listenerMap = new HashMap<>(); |
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// LoggerContext for system loggers and user loggers |
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private final LoggerContext systemContext = new SystemLoggerContext(); |
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private final LoggerContext userContext = new LoggerContext(); |
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private Logger rootLogger; |
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// Have we done the primordial reading of the configuration file? |
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// (Must be done after a suitable amount of java.lang.System |
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// initialization has been done) |
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private volatile boolean readPrimordialConfiguration; |
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// Have we initialized global (root) handlers yet? |
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// This gets set to false in readConfiguration |
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private boolean initializedGlobalHandlers = true; |
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// True if JVM death is imminent and the exit hook has been called. |
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private boolean deathImminent; |
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static { |
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AccessController.doPrivileged(new PrivilegedAction<Object>() { |
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public Object run() { |
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String cname = null; |
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try { |
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cname = System.getProperty("java.util.logging.manager"); |
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if (cname != null) { |
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try { |
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Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(cname); |
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manager = (LogManager) clz.newInstance(); |
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} catch (ClassNotFoundException ex) { |
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Class<?> clz = Thread.currentThread().getContextClassLoader().loadClass(cname); |
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manager = (LogManager) clz.newInstance(); |
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} |
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} |
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} catch (Exception ex) { |
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System.err.println("Could not load Logmanager \"" + cname + "\""); |
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ex.printStackTrace(); |
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} |
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if (manager == null) { |
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manager = new LogManager(); |
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} |
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// Create and retain Logger for the root of the namespace. |
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manager.rootLogger = manager.new RootLogger(); |
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// since by design the global manager's userContext and |
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// systemContext don't have their requiresDefaultLoggers |
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// flag set - we make sure to add the root logger to |
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// the global manager's default contexts here. |
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manager.addLogger(manager.rootLogger); |
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manager.systemContext.addLocalLogger(manager.rootLogger, false); |
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manager.userContext.addLocalLogger(manager.rootLogger, false); |
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// Adding the global Logger. Doing so in the Logger.<clinit> |
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// would deadlock with the LogManager.<clinit>. |
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// Do not call Logger.getGlobal() here as this might trigger |
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// the deadlock too. |
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@SuppressWarnings("deprecation") |
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final Logger global = Logger.global; |
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global.setLogManager(manager); |
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// Make sure the global logger will be registered in the |
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// global manager's default contexts. |
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manager.addLogger(global); |
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manager.systemContext.addLocalLogger(global, false); |
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manager.userContext.addLocalLogger(global, false); |
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|
218 |
// We don't call readConfiguration() here, as we may be running |
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// very early in the JVM startup sequence. Instead readConfiguration |
|
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// will be called lazily in getLogManager(). |
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return null; |
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222 |
} |
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}); |
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224 |
} |
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225 |
||
226 |
||
227 |
// This private class is used as a shutdown hook. |
|
228 |
// It does a "reset" to close all open handlers. |
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229 |
private class Cleaner extends Thread { |
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private Cleaner() { |
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/* Set context class loader to null in order to avoid |
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* keeping a strong reference to an application classloader. |
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*/ |
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this.setContextClassLoader(null); |
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} |
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2 | 238 |
public void run() { |
239 |
// This is to ensure the LogManager.<clinit> is completed |
|
240 |
// before synchronized block. Otherwise deadlocks are possible. |
|
241 |
LogManager mgr = manager; |
|
242 |
||
243 |
// If the global handlers haven't been initialized yet, we |
|
244 |
// don't want to initialize them just so we can close them! |
|
245 |
synchronized (LogManager.this) { |
|
246 |
// Note that death is imminent. |
|
247 |
deathImminent = true; |
|
248 |
initializedGlobalHandlers = true; |
|
249 |
} |
|
250 |
||
251 |
// Do a reset to close all active handlers. |
|
252 |
reset(); |
|
253 |
} |
|
254 |
} |
|
255 |
||
256 |
||
257 |
/** |
|
258 |
* Protected constructor. This is protected so that container applications |
|
259 |
* (such as J2EE containers) can subclass the object. It is non-public as |
|
260 |
* it is intended that there only be one LogManager object, whose value is |
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* retrieved by calling LogManager.getLogManager. |
2 | 262 |
*/ |
263 |
protected LogManager() { |
|
264 |
// Add a shutdown hook to close the global handlers. |
|
265 |
try { |
|
266 |
Runtime.getRuntime().addShutdownHook(new Cleaner()); |
|
267 |
} catch (IllegalStateException e) { |
|
268 |
// If the VM is already shutting down, |
|
269 |
// We do not need to register shutdownHook. |
|
270 |
} |
|
271 |
} |
|
272 |
||
273 |
/** |
|
18565 | 274 |
* Returns the global LogManager object. |
275 |
* @return the global LogManager object |
|
2 | 276 |
*/ |
277 |
public static LogManager getLogManager() { |
|
278 |
if (manager != null) { |
|
279 |
manager.readPrimordialConfiguration(); |
|
280 |
} |
|
281 |
return manager; |
|
282 |
} |
|
283 |
||
284 |
private void readPrimordialConfiguration() { |
|
285 |
if (!readPrimordialConfiguration) { |
|
286 |
synchronized (this) { |
|
287 |
if (!readPrimordialConfiguration) { |
|
288 |
// If System.in/out/err are null, it's a good |
|
289 |
// indication that we're still in the |
|
290 |
// bootstrapping phase |
|
291 |
if (System.out == null) { |
|
292 |
return; |
|
293 |
} |
|
294 |
readPrimordialConfiguration = true; |
|
16098 | 295 |
|
2 | 296 |
try { |
16098 | 297 |
AccessController.doPrivileged(new PrivilegedExceptionAction<Void>() { |
298 |
public Void run() throws Exception { |
|
2 | 299 |
readConfiguration(); |
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// Platform loggers begin to delegate to java.util.logging.Logger |
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sun.util.logging.PlatformLogger.redirectPlatformLoggers(); |
2 | 303 |
return null; |
304 |
} |
|
305 |
}); |
|
306 |
} catch (Exception ex) { |
|
307 |
// System.err.println("Can't read logging configuration:"); |
|
308 |
// ex.printStackTrace(); |
|
309 |
} |
|
310 |
} |
|
311 |
} |
|
312 |
} |
|
313 |
} |
|
314 |
||
315 |
/** |
|
316 |
* Adds an event listener to be invoked when the logging |
|
317 |
* properties are re-read. Adding multiple instances of |
|
318 |
* the same event Listener results in multiple entries |
|
319 |
* in the property event listener table. |
|
320 |
* |
|
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321 |
* <p><b>WARNING:</b> This method is omitted from this class in all subset |
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322 |
* Profiles of Java SE that do not include the {@code java.beans} package. |
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|
323 |
* </p> |
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324 |
* |
2 | 325 |
* @param l event listener |
326 |
* @exception SecurityException if a security manager exists and if |
|
327 |
* the caller does not have LoggingPermission("control"). |
|
328 |
* @exception NullPointerException if the PropertyChangeListener is null. |
|
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329 |
* @deprecated The dependency on {@code PropertyChangeListener} creates a |
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|
330 |
* significant impediment to future modularization of the Java |
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|
331 |
* platform. This method will be removed in a future release. |
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|
332 |
* The global {@code LogManager} can detect changes to the |
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|
333 |
* logging configuration by overridding the {@link |
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|
334 |
* #readConfiguration readConfiguration} method. |
2 | 335 |
*/ |
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|
336 |
@Deprecated |
2 | 337 |
public void addPropertyChangeListener(PropertyChangeListener l) throws SecurityException { |
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|
338 |
PropertyChangeListener listener = Objects.requireNonNull(l); |
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|
339 |
checkPermission(); |
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|
340 |
synchronized (listenerMap) { |
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|
341 |
// increment the registration count if already registered |
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|
342 |
Integer value = listenerMap.get(listener); |
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|
343 |
value = (value == null) ? 1 : (value + 1); |
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|
344 |
listenerMap.put(listener, value); |
2 | 345 |
} |
346 |
} |
|
347 |
||
348 |
/** |
|
349 |
* Removes an event listener for property change events. |
|
350 |
* If the same listener instance has been added to the listener table |
|
351 |
* through multiple invocations of <CODE>addPropertyChangeListener</CODE>, |
|
352 |
* then an equivalent number of |
|
353 |
* <CODE>removePropertyChangeListener</CODE> invocations are required to remove |
|
354 |
* all instances of that listener from the listener table. |
|
355 |
* <P> |
|
356 |
* Returns silently if the given listener is not found. |
|
357 |
* |
|
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358 |
* <p><b>WARNING:</b> This method is omitted from this class in all subset |
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|
359 |
* Profiles of Java SE that do not include the {@code java.beans} package. |
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|
360 |
* </p> |
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changeset
|
361 |
* |
2 | 362 |
* @param l event listener (can be null) |
363 |
* @exception SecurityException if a security manager exists and if |
|
364 |
* the caller does not have LoggingPermission("control"). |
|
14175
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diff
changeset
|
365 |
* @deprecated The dependency on {@code PropertyChangeListener} creates a |
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alanb
parents:
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diff
changeset
|
366 |
* significant impediment to future modularization of the Java |
b8ae22efba75
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parents:
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diff
changeset
|
367 |
* platform. This method will be removed in a future release. |
b8ae22efba75
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alanb
parents:
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diff
changeset
|
368 |
* The global {@code LogManager} can detect changes to the |
b8ae22efba75
7192274: Deprecate LogManager addPropertyChangeListener and removePropertyChangeLister methods
alanb
parents:
13578
diff
changeset
|
369 |
* logging configuration by overridding the {@link |
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parents:
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diff
changeset
|
370 |
* #readConfiguration readConfiguration} method. |
2 | 371 |
*/ |
14175
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diff
changeset
|
372 |
@Deprecated |
2 | 373 |
public void removePropertyChangeListener(PropertyChangeListener l) throws SecurityException { |
14216
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diff
changeset
|
374 |
checkPermission(); |
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diff
changeset
|
375 |
if (l != null) { |
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diff
changeset
|
376 |
PropertyChangeListener listener = l; |
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diff
changeset
|
377 |
synchronized (listenerMap) { |
cb435d74ab6b
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alanb
parents:
11274
diff
changeset
|
378 |
Integer value = listenerMap.get(listener); |
cb435d74ab6b
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parents:
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diff
changeset
|
379 |
if (value != null) { |
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parents:
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diff
changeset
|
380 |
// remove from map if registration count is 1, otherwise |
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parents:
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diff
changeset
|
381 |
// just decrement its count |
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parents:
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diff
changeset
|
382 |
int i = value.intValue(); |
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parents:
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diff
changeset
|
383 |
if (i == 1) { |
cb435d74ab6b
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alanb
parents:
11274
diff
changeset
|
384 |
listenerMap.remove(listener); |
cb435d74ab6b
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parents:
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diff
changeset
|
385 |
} else { |
cb435d74ab6b
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parents:
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diff
changeset
|
386 |
assert i > 1; |
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7192275: Minimize LogManager dependencies on java.beans
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parents:
11274
diff
changeset
|
387 |
listenerMap.put(listener, i - 1); |
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alanb
parents:
11274
diff
changeset
|
388 |
} |
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parents:
11274
diff
changeset
|
389 |
} |
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parents:
11274
diff
changeset
|
390 |
} |
cb435d74ab6b
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alanb
parents:
11274
diff
changeset
|
391 |
} |
2 | 392 |
} |
393 |
||
16098 | 394 |
// Returns the LoggerContext for the user code (i.e. application or AppContext). |
395 |
// Loggers are isolated from each AppContext. |
|
16105
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8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
396 |
private LoggerContext getUserContext() { |
16098 | 397 |
LoggerContext context = null; |
9700
fdbacf68f185
7016208: 4/3 null sometimes returned by java.util.logging.Logger.getLogger(String name) in -server -Xcomp
dcubed
parents:
9013
diff
changeset
|
398 |
|
16098 | 399 |
SecurityManager sm = System.getSecurityManager(); |
400 |
JavaAWTAccess javaAwtAccess = SharedSecrets.getJavaAWTAccess(); |
|
401 |
if (sm != null && javaAwtAccess != null) { |
|
402 |
synchronized (javaAwtAccess) { |
|
403 |
// AppContext.getAppContext() returns the system AppContext if called |
|
404 |
// from a system thread but Logger.getLogger might be called from |
|
405 |
// an applet code. Instead, find the AppContext of the applet code |
|
406 |
// from the execution stack. |
|
407 |
Object ecx = javaAwtAccess.getExecutionContext(); |
|
408 |
if (ecx == null) { |
|
18202 | 409 |
// fall back to thread group seach of AppContext |
16098 | 410 |
ecx = javaAwtAccess.getContext(); |
9700
fdbacf68f185
7016208: 4/3 null sometimes returned by java.util.logging.Logger.getLogger(String name) in -server -Xcomp
dcubed
parents:
9013
diff
changeset
|
411 |
} |
18202 | 412 |
if (ecx != null) { |
413 |
context = (LoggerContext)javaAwtAccess.get(ecx, LoggerContext.class); |
|
414 |
if (context == null) { |
|
415 |
if (javaAwtAccess.isMainAppContext()) { |
|
416 |
context = userContext; |
|
417 |
} else { |
|
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
418 |
// Create a new LoggerContext for the applet. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
419 |
// The new logger context has its requiresDefaultLoggers |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
420 |
// flag set to true - so that these loggers will be |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
421 |
// lazily added when the context is firt accessed. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
422 |
context = new LoggerContext(true); |
18202 | 423 |
} |
424 |
javaAwtAccess.put(ecx, LoggerContext.class, context); |
|
16098 | 425 |
} |
426 |
} |
|
427 |
} |
|
428 |
} |
|
18202 | 429 |
return context != null ? context : userContext; |
16098 | 430 |
} |
9700
fdbacf68f185
7016208: 4/3 null sometimes returned by java.util.logging.Logger.getLogger(String name) in -server -Xcomp
dcubed
parents:
9013
diff
changeset
|
431 |
|
16098 | 432 |
private List<LoggerContext> contexts() { |
433 |
List<LoggerContext> cxs = new ArrayList<>(); |
|
434 |
cxs.add(systemContext); |
|
435 |
cxs.add(getUserContext()); |
|
436 |
return cxs; |
|
2 | 437 |
} |
438 |
||
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
439 |
// Find or create a specified logger instance. If a logger has |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
440 |
// already been created with the given name it is returned. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
441 |
// Otherwise a new logger instance is created and registered |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
442 |
// in the LogManager global namespace. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
443 |
// This method will always return a non-null Logger object. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
444 |
// Synchronization is not required here. All synchronization for |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
445 |
// adding a new Logger object is handled by addLogger(). |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
446 |
// |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
447 |
// This method must delegate to the LogManager implementation to |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
448 |
// add a new Logger or return the one that has been added previously |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
449 |
// as a LogManager subclass may override the addLogger, getLogger, |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
450 |
// readConfiguration, and other methods. |
17487
77566e5979d1
8013380: Removal of stack walk to find resource bundle breaks Glassfish startup
jgish
parents:
17164
diff
changeset
|
451 |
Logger demandLogger(String name, String resourceBundleName, Class<?> caller) { |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
452 |
Logger result = getLogger(name); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
453 |
if (result == null) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
454 |
// only allocate the new logger once |
17487
77566e5979d1
8013380: Removal of stack walk to find resource bundle breaks Glassfish startup
jgish
parents:
17164
diff
changeset
|
455 |
Logger newLogger = new Logger(name, resourceBundleName, caller); |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
456 |
do { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
457 |
if (addLogger(newLogger)) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
458 |
// We successfully added the new Logger that we |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
459 |
// created above so return it without refetching. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
460 |
return newLogger; |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
461 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
462 |
|
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
463 |
// We didn't add the new Logger that we created above |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
464 |
// because another thread added a Logger with the same |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
465 |
// name after our null check above and before our call |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
466 |
// to addLogger(). We have to refetch the Logger because |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
467 |
// addLogger() returns a boolean instead of the Logger |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
468 |
// reference itself. However, if the thread that created |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
469 |
// the other Logger is not holding a strong reference to |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
470 |
// the other Logger, then it is possible for the other |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
471 |
// Logger to be GC'ed after we saw it in addLogger() and |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
472 |
// before we can refetch it. If it has been GC'ed then |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
473 |
// we'll just loop around and try again. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
474 |
result = getLogger(name); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
475 |
} while (result == null); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
476 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
477 |
return result; |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
478 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
479 |
|
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
480 |
Logger demandSystemLogger(String name, String resourceBundleName) { |
16111
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
481 |
// Add a system logger in the system context's namespace |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
482 |
final Logger sysLogger = systemContext.demandLogger(name, resourceBundleName); |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
483 |
|
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
484 |
// Add the system logger to the LogManager's namespace if not exist |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
485 |
// so that there is only one single logger of the given name. |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
486 |
// System loggers are visible to applications unless a logger of |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
487 |
// the same name has been added. |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
488 |
Logger logger; |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
489 |
do { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
490 |
// First attempt to call addLogger instead of getLogger |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
491 |
// This would avoid potential bug in custom LogManager.getLogger |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
492 |
// implementation that adds a logger if does not exist |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
493 |
if (addLogger(sysLogger)) { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
494 |
// successfully added the new system logger |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
495 |
logger = sysLogger; |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
496 |
} else { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
497 |
logger = getLogger(name); |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
498 |
} |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
499 |
} while (logger == null); |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
500 |
|
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
501 |
// LogManager will set the sysLogger's handlers via LogManager.addLogger method. |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
502 |
if (logger != sysLogger && sysLogger.getHandlers().length == 0) { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
503 |
// if logger already exists but handlers not set |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
504 |
final Logger l = logger; |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
505 |
AccessController.doPrivileged(new PrivilegedAction<Void>() { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
506 |
public Void run() { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
507 |
for (Handler hdl : l.getHandlers()) { |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
508 |
sysLogger.addHandler(hdl); |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
509 |
} |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
510 |
return null; |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
511 |
} |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
512 |
}); |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
513 |
} |
5c5fc1d5bb38
8007393: Possible race condition after JDK-6664509
mchung
parents:
16105
diff
changeset
|
514 |
return sysLogger; |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
515 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
516 |
|
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
517 |
// LoggerContext maintains the logger namespace per context. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
518 |
// The default LogManager implementation has one system context and user |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
519 |
// context. The system context is used to maintain the namespace for |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
520 |
// all system loggers and is queried by the system code. If a system logger |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
521 |
// doesn't exist in the user context, it'll also be added to the user context. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
522 |
// The user context is queried by the user code and all other loggers are |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
523 |
// added in the user context. |
16098 | 524 |
static class LoggerContext { |
525 |
// Table of named Loggers that maps names to Loggers. |
|
526 |
private final Hashtable<String,LoggerWeakRef> namedLoggers = new Hashtable<>(); |
|
527 |
// Tree of named Loggers |
|
528 |
private final LogNode root; |
|
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
529 |
private final boolean requiresDefaultLoggers; |
16098 | 530 |
private LoggerContext() { |
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
531 |
this(false); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
532 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
533 |
private LoggerContext(boolean requiresDefaultLoggers) { |
16098 | 534 |
this.root = new LogNode(null, this); |
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
535 |
this.requiresDefaultLoggers = requiresDefaultLoggers; |
16098 | 536 |
} |
537 |
||
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
538 |
Logger demandLogger(String name, String resourceBundleName) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
539 |
// a LogManager subclass may have its own implementation to add and |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
540 |
// get a Logger. So delegate to the LogManager to do the work. |
17487
77566e5979d1
8013380: Removal of stack walk to find resource bundle breaks Glassfish startup
jgish
parents:
17164
diff
changeset
|
541 |
return manager.demandLogger(name, resourceBundleName, null); |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
542 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
543 |
|
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
544 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
545 |
// Due to subtle deadlock issues getUserContext() no longer |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
546 |
// calls addLocalLogger(rootLogger); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
547 |
// Therefore - we need to add the default loggers later on. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
548 |
// Checks that the context is properly initialized |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
549 |
// This is necessary before calling e.g. find(name) |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
550 |
// or getLoggerNames() |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
551 |
// |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
552 |
private void ensureInitialized() { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
553 |
if (requiresDefaultLoggers) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
554 |
// Ensure that the root and global loggers are set. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
555 |
ensureDefaultLogger(manager.rootLogger); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
556 |
ensureDefaultLogger(Logger.global); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
557 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
558 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
559 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
560 |
|
16098 | 561 |
synchronized Logger findLogger(String name) { |
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
562 |
// ensure that this context is properly initialized before |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
563 |
// looking for loggers. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
564 |
ensureInitialized(); |
16098 | 565 |
LoggerWeakRef ref = namedLoggers.get(name); |
566 |
if (ref == null) { |
|
567 |
return null; |
|
568 |
} |
|
569 |
Logger logger = ref.get(); |
|
570 |
if (logger == null) { |
|
571 |
// Hashtable holds stale weak reference |
|
572 |
// to a logger which has been GC-ed. |
|
573 |
removeLogger(name); |
|
574 |
} |
|
575 |
return logger; |
|
576 |
} |
|
577 |
||
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
578 |
// This method is called before adding a logger to the |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
579 |
// context. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
580 |
// 'logger' is the context that will be added. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
581 |
// This method will ensure that the defaults loggers are added |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
582 |
// before adding 'logger'. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
583 |
// |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
584 |
private void ensureAllDefaultLoggers(Logger logger) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
585 |
if (requiresDefaultLoggers) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
586 |
final String name = logger.getName(); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
587 |
if (!name.isEmpty()) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
588 |
ensureDefaultLogger(manager.rootLogger); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
589 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
590 |
if (!Logger.GLOBAL_LOGGER_NAME.equals(name)) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
591 |
ensureDefaultLogger(Logger.global); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
592 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
593 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
594 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
595 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
596 |
private void ensureDefaultLogger(Logger logger) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
597 |
// Used for lazy addition of root logger and global logger |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
598 |
// to a LoggerContext. |
18202 | 599 |
|
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
600 |
// This check is simple sanity: we do not want that this |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
601 |
// method be called for anything else than Logger.global |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
602 |
// or owner.rootLogger. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
603 |
if (!requiresDefaultLoggers || logger == null |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
604 |
|| logger != Logger.global && logger != manager.rootLogger) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
605 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
606 |
// the case where we have a non null logger which is neither |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
607 |
// Logger.global nor manager.rootLogger indicates a serious |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
608 |
// issue - as ensureDefaultLogger should never be called |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
609 |
// with any other loggers than one of these two (or null - if |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
610 |
// e.g manager.rootLogger is not yet initialized)... |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
611 |
assert logger == null; |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
612 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
613 |
return; |
18202 | 614 |
} |
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
615 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
616 |
// Adds the logger if it's not already there. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
617 |
if (!namedLoggers.containsKey(logger.getName())) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
618 |
// It is important to prevent addLocalLogger to |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
619 |
// call ensureAllDefaultLoggers when we're in the process |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
620 |
// off adding one of those default loggers - as this would |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
621 |
// immediately cause a stack overflow. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
622 |
// Therefore we must pass addDefaultLoggersIfNeeded=false, |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
623 |
// even if requiresDefaultLoggers is true. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
624 |
addLocalLogger(logger, false); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
625 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
626 |
} |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
627 |
|
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
628 |
boolean addLocalLogger(Logger logger) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
629 |
// no need to add default loggers if it's not required |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
630 |
return addLocalLogger(logger, requiresDefaultLoggers); |
18202 | 631 |
} |
632 |
||
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
633 |
// Add a logger to this context. This method will only set its level |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
634 |
// and process parent loggers. It doesn't set its handlers. |
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
635 |
synchronized boolean addLocalLogger(Logger logger, boolean addDefaultLoggersIfNeeded) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
636 |
// addDefaultLoggersIfNeeded serves to break recursion when adding |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
637 |
// default loggers. If we're adding one of the default loggers |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
638 |
// (we're being called from ensureDefaultLogger()) then |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
639 |
// addDefaultLoggersIfNeeded will be false: we don't want to |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
640 |
// call ensureAllDefaultLoggers again. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
641 |
// |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
642 |
// Note: addDefaultLoggersIfNeeded can also be false when |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
643 |
// requiresDefaultLoggers is false - since calling |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
644 |
// ensureAllDefaultLoggers would have no effect in this case. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
645 |
if (addDefaultLoggersIfNeeded) { |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
646 |
ensureAllDefaultLoggers(logger); |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
647 |
} |
18202 | 648 |
|
16098 | 649 |
final String name = logger.getName(); |
650 |
if (name == null) { |
|
651 |
throw new NullPointerException(); |
|
652 |
} |
|
653 |
LoggerWeakRef ref = namedLoggers.get(name); |
|
654 |
if (ref != null) { |
|
655 |
if (ref.get() == null) { |
|
17164 | 656 |
// It's possible that the Logger was GC'ed after a |
16098 | 657 |
// drainLoggerRefQueueBounded() call above so allow |
658 |
// a new one to be registered. |
|
659 |
removeLogger(name); |
|
660 |
} else { |
|
661 |
// We already have a registered logger with the given name. |
|
662 |
return false; |
|
663 |
} |
|
664 |
} |
|
665 |
||
666 |
// We're adding a new logger. |
|
667 |
// Note that we are creating a weak reference here. |
|
668 |
ref = manager.new LoggerWeakRef(logger); |
|
669 |
namedLoggers.put(name, ref); |
|
670 |
||
671 |
// Apply any initial level defined for the new logger. |
|
672 |
Level level = manager.getLevelProperty(name + ".level", null); |
|
673 |
if (level != null) { |
|
674 |
doSetLevel(logger, level); |
|
675 |
} |
|
676 |
||
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
677 |
// instantiation of the handler is done in the LogManager.addLogger |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
678 |
// implementation as a handler class may be only visible to LogManager |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
679 |
// subclass for the custom log manager case |
16098 | 680 |
processParentHandlers(logger, name); |
681 |
||
682 |
// Find the new node and its parent. |
|
683 |
LogNode node = getNode(name); |
|
684 |
node.loggerRef = ref; |
|
685 |
Logger parent = null; |
|
686 |
LogNode nodep = node.parent; |
|
687 |
while (nodep != null) { |
|
688 |
LoggerWeakRef nodeRef = nodep.loggerRef; |
|
689 |
if (nodeRef != null) { |
|
690 |
parent = nodeRef.get(); |
|
691 |
if (parent != null) { |
|
692 |
break; |
|
693 |
} |
|
694 |
} |
|
695 |
nodep = nodep.parent; |
|
696 |
} |
|
697 |
||
698 |
if (parent != null) { |
|
699 |
doSetParent(logger, parent); |
|
2 | 700 |
} |
16098 | 701 |
// Walk over the children and tell them we are their new parent. |
702 |
node.walkAndSetParent(logger); |
|
703 |
// new LogNode is ready so tell the LoggerWeakRef about it |
|
704 |
ref.setNode(node); |
|
705 |
return true; |
|
706 |
} |
|
707 |
||
17164 | 708 |
// note: all calls to removeLogger are synchronized on LogManager's |
709 |
// intrinsic lock |
|
16098 | 710 |
void removeLogger(String name) { |
711 |
namedLoggers.remove(name); |
|
712 |
} |
|
713 |
||
714 |
synchronized Enumeration<String> getLoggerNames() { |
|
18593
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
715 |
// ensure that this context is properly initialized before |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
716 |
// returning logger names. |
40715ebb6681
8017174: NPE when using Logger.getAnonymousLogger or LogManager.getLogManager().getLogger
dfuchs
parents:
18565
diff
changeset
|
717 |
ensureInitialized(); |
16098 | 718 |
return namedLoggers.keys(); |
719 |
} |
|
720 |
||
721 |
// If logger.getUseParentHandlers() returns 'true' and any of the logger's |
|
722 |
// parents have levels or handlers defined, make sure they are instantiated. |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
723 |
private void processParentHandlers(final Logger logger, final String name) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
724 |
AccessController.doPrivileged(new PrivilegedAction<Void>() { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
725 |
public Void run() { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
726 |
if (logger != manager.rootLogger) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
727 |
boolean useParent = manager.getBooleanProperty(name + ".useParentHandlers", true); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
728 |
if (!useParent) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
729 |
logger.setUseParentHandlers(false); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
730 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
731 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
732 |
return null; |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
733 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
734 |
}); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
735 |
|
16098 | 736 |
int ix = 1; |
737 |
for (;;) { |
|
738 |
int ix2 = name.indexOf(".", ix); |
|
739 |
if (ix2 < 0) { |
|
740 |
break; |
|
741 |
} |
|
742 |
String pname = name.substring(0, ix2); |
|
743 |
if (manager.getProperty(pname + ".level") != null || |
|
744 |
manager.getProperty(pname + ".handlers") != null) { |
|
745 |
// This pname has a level/handlers definition. |
|
746 |
// Make sure it exists. |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
747 |
demandLogger(pname, null); |
16098 | 748 |
} |
749 |
ix = ix2+1; |
|
750 |
} |
|
751 |
} |
|
2 | 752 |
|
16098 | 753 |
// Gets a node in our tree of logger nodes. |
754 |
// If necessary, create it. |
|
755 |
LogNode getNode(String name) { |
|
756 |
if (name == null || name.equals("")) { |
|
757 |
return root; |
|
758 |
} |
|
759 |
LogNode node = root; |
|
760 |
while (name.length() > 0) { |
|
761 |
int ix = name.indexOf("."); |
|
762 |
String head; |
|
763 |
if (ix > 0) { |
|
764 |
head = name.substring(0, ix); |
|
765 |
name = name.substring(ix + 1); |
|
766 |
} else { |
|
767 |
head = name; |
|
768 |
name = ""; |
|
769 |
} |
|
770 |
if (node.children == null) { |
|
771 |
node.children = new HashMap<>(); |
|
772 |
} |
|
773 |
LogNode child = node.children.get(head); |
|
774 |
if (child == null) { |
|
775 |
child = new LogNode(node, this); |
|
776 |
node.children.put(head, child); |
|
777 |
} |
|
778 |
node = child; |
|
2 | 779 |
} |
16098 | 780 |
return node; |
781 |
} |
|
782 |
} |
|
783 |
||
784 |
static class SystemLoggerContext extends LoggerContext { |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
785 |
// Add a system logger in the system context's namespace as well as |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
786 |
// in the LogManager's namespace if not exist so that there is only |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
787 |
// one single logger of the given name. System loggers are visible |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
788 |
// to applications unless a logger of the same name has been added. |
16098 | 789 |
Logger demandLogger(String name, String resourceBundleName) { |
790 |
Logger result = findLogger(name); |
|
791 |
if (result == null) { |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
792 |
// only allocate the new system logger once |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
793 |
Logger newLogger = new Logger(name, resourceBundleName); |
16098 | 794 |
do { |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
795 |
if (addLocalLogger(newLogger)) { |
16098 | 796 |
// We successfully added the new Logger that we |
797 |
// created above so return it without refetching. |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
798 |
result = newLogger; |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
799 |
} else { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
800 |
// We didn't add the new Logger that we created above |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
801 |
// because another thread added a Logger with the same |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
802 |
// name after our null check above and before our call |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
803 |
// to addLogger(). We have to refetch the Logger because |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
804 |
// addLogger() returns a boolean instead of the Logger |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
805 |
// reference itself. However, if the thread that created |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
806 |
// the other Logger is not holding a strong reference to |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
807 |
// the other Logger, then it is possible for the other |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
808 |
// Logger to be GC'ed after we saw it in addLogger() and |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
809 |
// before we can refetch it. If it has been GC'ed then |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
810 |
// we'll just loop around and try again. |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
811 |
result = findLogger(name); |
16098 | 812 |
} |
813 |
} while (result == null); |
|
814 |
} |
|
815 |
return result; |
|
2 | 816 |
} |
817 |
} |
|
818 |
||
819 |
// Add new per logger handlers. |
|
820 |
// We need to raise privilege here. All our decisions will |
|
821 |
// be made based on the logging configuration, which can |
|
822 |
// only be modified by trusted code. |
|
823 |
private void loadLoggerHandlers(final Logger logger, final String name, |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
824 |
final String handlersPropertyName) |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
825 |
{ |
2 | 826 |
AccessController.doPrivileged(new PrivilegedAction<Object>() { |
827 |
public Object run() { |
|
828 |
String names[] = parseClassNames(handlersPropertyName); |
|
829 |
for (int i = 0; i < names.length; i++) { |
|
830 |
String word = names[i]; |
|
831 |
try { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
832 |
Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(word); |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
833 |
Handler hdl = (Handler) clz.newInstance(); |
16098 | 834 |
// Check if there is a property defining the |
835 |
// this handler's level. |
|
836 |
String levs = getProperty(word + ".level"); |
|
837 |
if (levs != null) { |
|
838 |
Level l = Level.findLevel(levs); |
|
839 |
if (l != null) { |
|
840 |
hdl.setLevel(l); |
|
841 |
} else { |
|
842 |
// Probably a bad level. Drop through. |
|
843 |
System.err.println("Can't set level for " + word); |
|
2 | 844 |
} |
845 |
} |
|
846 |
// Add this Handler to the logger |
|
847 |
logger.addHandler(hdl); |
|
848 |
} catch (Exception ex) { |
|
849 |
System.err.println("Can't load log handler \"" + word + "\""); |
|
850 |
System.err.println("" + ex); |
|
851 |
ex.printStackTrace(); |
|
852 |
} |
|
853 |
} |
|
854 |
return null; |
|
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
855 |
} |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
856 |
}); |
2 | 857 |
} |
858 |
||
5964
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
859 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
860 |
// loggerRefQueue holds LoggerWeakRef objects for Logger objects |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
861 |
// that have been GC'ed. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
862 |
private final ReferenceQueue<Logger> loggerRefQueue |
7803
56bc97d69d93
6880112: Project Coin: Port JDK core library code to use diamond operator
smarks
parents:
6675
diff
changeset
|
863 |
= new ReferenceQueue<>(); |
5964
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
864 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
865 |
// Package-level inner class. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
866 |
// Helper class for managing WeakReferences to Logger objects. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
867 |
// |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
868 |
// LogManager.namedLoggers |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
869 |
// - has weak references to all named Loggers |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
870 |
// - namedLoggers keeps the LoggerWeakRef objects for the named |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
871 |
// Loggers around until we can deal with the book keeping for |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
872 |
// the named Logger that is being GC'ed. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
873 |
// LogManager.LogNode.loggerRef |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
874 |
// - has a weak reference to a named Logger |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
875 |
// - the LogNode will also keep the LoggerWeakRef objects for |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
876 |
// the named Loggers around; currently LogNodes never go away. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
877 |
// Logger.kids |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
878 |
// - has a weak reference to each direct child Logger; this |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
879 |
// includes anonymous and named Loggers |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
880 |
// - anonymous Loggers are always children of the rootLogger |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
881 |
// which is a strong reference; rootLogger.kids keeps the |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
882 |
// LoggerWeakRef objects for the anonymous Loggers around |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
883 |
// until we can deal with the book keeping. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
884 |
// |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
885 |
final class LoggerWeakRef extends WeakReference<Logger> { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
886 |
private String name; // for namedLoggers cleanup |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
887 |
private LogNode node; // for loggerRef cleanup |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
888 |
private WeakReference<Logger> parentRef; // for kids cleanup |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
889 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
890 |
LoggerWeakRef(Logger logger) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
891 |
super(logger, loggerRefQueue); |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
892 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
893 |
name = logger.getName(); // save for namedLoggers cleanup |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
894 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
895 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
896 |
// dispose of this LoggerWeakRef object |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
897 |
void dispose() { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
898 |
if (node != null) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
899 |
// if we have a LogNode, then we were a named Logger |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
900 |
// so clear namedLoggers weak ref to us |
16098 | 901 |
node.context.removeLogger(name); |
5964
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
902 |
name = null; // clear our ref to the Logger's name |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
903 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
904 |
node.loggerRef = null; // clear LogNode's weak ref to us |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
905 |
node = null; // clear our ref to LogNode |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
906 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
907 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
908 |
if (parentRef != null) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
909 |
// this LoggerWeakRef has or had a parent Logger |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
910 |
Logger parent = parentRef.get(); |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
911 |
if (parent != null) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
912 |
// the parent Logger is still there so clear the |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
913 |
// parent Logger's weak ref to us |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
914 |
parent.removeChildLogger(this); |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
915 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
916 |
parentRef = null; // clear our weak ref to the parent Logger |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
917 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
918 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
919 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
920 |
// set the node field to the specified value |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
921 |
void setNode(LogNode node) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
922 |
this.node = node; |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
923 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
924 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
925 |
// set the parentRef field to the specified value |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
926 |
void setParentRef(WeakReference<Logger> parentRef) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
927 |
this.parentRef = parentRef; |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
928 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
929 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
930 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
931 |
// Package-level method. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
932 |
// Drain some Logger objects that have been GC'ed. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
933 |
// |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
934 |
// drainLoggerRefQueueBounded() is called by addLogger() below |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
935 |
// and by Logger.getAnonymousLogger(String) so we'll drain up to |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
936 |
// MAX_ITERATIONS GC'ed Loggers for every Logger we add. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
937 |
// |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
938 |
// On a WinXP VMware client, a MAX_ITERATIONS value of 400 gives |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
939 |
// us about a 50/50 mix in increased weak ref counts versus |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
940 |
// decreased weak ref counts in the AnonLoggerWeakRefLeak test. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
941 |
// Here are stats for cleaning up sets of 400 anonymous Loggers: |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
942 |
// - test duration 1 minute |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
943 |
// - sample size of 125 sets of 400 |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
944 |
// - average: 1.99 ms |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
945 |
// - minimum: 0.57 ms |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
946 |
// - maximum: 25.3 ms |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
947 |
// |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
948 |
// The same config gives us a better decreased weak ref count |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
949 |
// than increased weak ref count in the LoggerWeakRefLeak test. |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
950 |
// Here are stats for cleaning up sets of 400 named Loggers: |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
951 |
// - test duration 2 minutes |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
952 |
// - sample size of 506 sets of 400 |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
953 |
// - average: 0.57 ms |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
954 |
// - minimum: 0.02 ms |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
955 |
// - maximum: 10.9 ms |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
956 |
// |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
957 |
private final static int MAX_ITERATIONS = 400; |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
958 |
final synchronized void drainLoggerRefQueueBounded() { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
959 |
for (int i = 0; i < MAX_ITERATIONS; i++) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
960 |
if (loggerRefQueue == null) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
961 |
// haven't finished loading LogManager yet |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
962 |
break; |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
963 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
964 |
|
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
965 |
LoggerWeakRef ref = (LoggerWeakRef) loggerRefQueue.poll(); |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
966 |
if (ref == null) { |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
967 |
break; |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
968 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
969 |
// a Logger object has been GC'ed so clean it up |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
970 |
ref.dispose(); |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
971 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
972 |
} |
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
973 |
|
2 | 974 |
/** |
975 |
* Add a named logger. This does nothing and returns false if a logger |
|
976 |
* with the same name is already registered. |
|
977 |
* <p> |
|
978 |
* The Logger factory methods call this method to register each |
|
979 |
* newly created Logger. |
|
980 |
* <p> |
|
981 |
* The application should retain its own reference to the Logger |
|
982 |
* object to avoid it being garbage collected. The LogManager |
|
983 |
* may only retain a weak reference. |
|
984 |
* |
|
985 |
* @param logger the new logger. |
|
986 |
* @return true if the argument logger was registered successfully, |
|
987 |
* false if a logger of that name already exists. |
|
988 |
* @exception NullPointerException if the logger name is null. |
|
989 |
*/ |
|
16098 | 990 |
public boolean addLogger(Logger logger) { |
2 | 991 |
final String name = logger.getName(); |
992 |
if (name == null) { |
|
993 |
throw new NullPointerException(); |
|
994 |
} |
|
17164 | 995 |
drainLoggerRefQueueBounded(); |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
996 |
LoggerContext cx = getUserContext(); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
997 |
if (cx.addLocalLogger(logger)) { |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
998 |
// Do we have a per logger handler too? |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
999 |
// Note: this will add a 200ms penalty |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
1000 |
loadLoggerHandlers(logger, name, name + ".handlers"); |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
1001 |
return true; |
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
1002 |
} else { |
16098 | 1003 |
return false; |
2 | 1004 |
} |
1005 |
} |
|
1006 |
||
1007 |
// Private method to set a level on a logger. |
|
1008 |
// If necessary, we raise privilege before doing the call. |
|
1009 |
private static void doSetLevel(final Logger logger, final Level level) { |
|
1010 |
SecurityManager sm = System.getSecurityManager(); |
|
1011 |
if (sm == null) { |
|
1012 |
// There is no security manager, so things are easy. |
|
1013 |
logger.setLevel(level); |
|
1014 |
return; |
|
1015 |
} |
|
1016 |
// There is a security manager. Raise privilege before |
|
1017 |
// calling setLevel. |
|
1018 |
AccessController.doPrivileged(new PrivilegedAction<Object>() { |
|
1019 |
public Object run() { |
|
1020 |
logger.setLevel(level); |
|
1021 |
return null; |
|
1022 |
}}); |
|
1023 |
} |
|
1024 |
||
1025 |
// Private method to set a parent on a logger. |
|
1026 |
// If necessary, we raise privilege before doing the setParent call. |
|
1027 |
private static void doSetParent(final Logger logger, final Logger parent) { |
|
1028 |
SecurityManager sm = System.getSecurityManager(); |
|
1029 |
if (sm == null) { |
|
1030 |
// There is no security manager, so things are easy. |
|
1031 |
logger.setParent(parent); |
|
1032 |
return; |
|
1033 |
} |
|
1034 |
// There is a security manager. Raise privilege before |
|
1035 |
// calling setParent. |
|
1036 |
AccessController.doPrivileged(new PrivilegedAction<Object>() { |
|
1037 |
public Object run() { |
|
1038 |
logger.setParent(parent); |
|
1039 |
return null; |
|
1040 |
}}); |
|
1041 |
} |
|
1042 |
||
1043 |
/** |
|
1044 |
* Method to find a named logger. |
|
1045 |
* <p> |
|
1046 |
* Note that since untrusted code may create loggers with |
|
1047 |
* arbitrary names this method should not be relied on to |
|
1048 |
* find Loggers for security sensitive logging. |
|
6675
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1049 |
* It is also important to note that the Logger associated with the |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1050 |
* String {@code name} may be garbage collected at any time if there |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1051 |
* is no strong reference to the Logger. The caller of this method |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1052 |
* must check the return value for null in order to properly handle |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1053 |
* the case where the Logger has been garbage collected. |
2 | 1054 |
* <p> |
1055 |
* @param name name of the logger |
|
1056 |
* @return matching logger or null if none is found |
|
1057 |
*/ |
|
16098 | 1058 |
public Logger getLogger(String name) { |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
1059 |
return getUserContext().findLogger(name); |
2 | 1060 |
} |
1061 |
||
1062 |
/** |
|
1063 |
* Get an enumeration of known logger names. |
|
1064 |
* <p> |
|
1065 |
* Note: Loggers may be added dynamically as new classes are loaded. |
|
1066 |
* This method only reports on the loggers that are currently registered. |
|
6675
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1067 |
* It is also important to note that this method only returns the name |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1068 |
* of a Logger, not a strong reference to the Logger itself. |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1069 |
* The returned String does nothing to prevent the Logger from being |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1070 |
* garbage collected. In particular, if the returned name is passed |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1071 |
* to {@code LogManager.getLogger()}, then the caller must check the |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1072 |
* return value from {@code LogManager.getLogger()} for null to properly |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1073 |
* handle the case where the Logger has been garbage collected in the |
c86763d8f1c7
6949710: 3/3 the GC'able nature of Logging objects needs to be made brutally clear
dcubed
parents:
5964
diff
changeset
|
1074 |
* time since its name was returned by this method. |
2 | 1075 |
* <p> |
1076 |
* @return enumeration of logger name strings |
|
1077 |
*/ |
|
16098 | 1078 |
public Enumeration<String> getLoggerNames() { |
16105
fe7392acb767
8005615: Java Logger fails to load tomcat logger implementation (JULI)
mchung
parents:
16100
diff
changeset
|
1079 |
return getUserContext().getLoggerNames(); |
2 | 1080 |
} |
1081 |
||
1082 |
/** |
|
1083 |
* Reinitialize the logging properties and reread the logging configuration. |
|
1084 |
* <p> |
|
1085 |
* The same rules are used for locating the configuration properties |
|
1086 |
* as are used at startup. So normally the logging properties will |
|
1087 |
* be re-read from the same file that was used at startup. |
|
1088 |
* <P> |
|
1089 |
* Any log level definitions in the new configuration file will be |
|
1090 |
* applied using Logger.setLevel(), if the target Logger exists. |
|
1091 |
* <p> |
|
1092 |
* A PropertyChangeEvent will be fired after the properties are read. |
|
1093 |
* |
|
1094 |
* @exception SecurityException if a security manager exists and if |
|
1095 |
* the caller does not have LoggingPermission("control"). |
|
1096 |
* @exception IOException if there are IO problems reading the configuration. |
|
1097 |
*/ |
|
1098 |
public void readConfiguration() throws IOException, SecurityException { |
|
14216
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1099 |
checkPermission(); |
2 | 1100 |
|
1101 |
// if a configuration class is specified, load it and use it. |
|
1102 |
String cname = System.getProperty("java.util.logging.config.class"); |
|
1103 |
if (cname != null) { |
|
1104 |
try { |
|
1105 |
// Instantiate the named class. It is its constructor's |
|
1106 |
// responsibility to initialize the logging configuration, by |
|
1107 |
// calling readConfiguration(InputStream) with a suitable stream. |
|
1108 |
try { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
1109 |
Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(cname); |
2 | 1110 |
clz.newInstance(); |
1111 |
return; |
|
1112 |
} catch (ClassNotFoundException ex) { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
1113 |
Class<?> clz = Thread.currentThread().getContextClassLoader().loadClass(cname); |
2 | 1114 |
clz.newInstance(); |
1115 |
return; |
|
1116 |
} |
|
1117 |
} catch (Exception ex) { |
|
1118 |
System.err.println("Logging configuration class \"" + cname + "\" failed"); |
|
1119 |
System.err.println("" + ex); |
|
1120 |
// keep going and useful config file. |
|
1121 |
} |
|
1122 |
} |
|
1123 |
||
1124 |
String fname = System.getProperty("java.util.logging.config.file"); |
|
1125 |
if (fname == null) { |
|
1126 |
fname = System.getProperty("java.home"); |
|
1127 |
if (fname == null) { |
|
1128 |
throw new Error("Can't find java.home ??"); |
|
1129 |
} |
|
1130 |
File f = new File(fname, "lib"); |
|
1131 |
f = new File(f, "logging.properties"); |
|
1132 |
fname = f.getCanonicalPath(); |
|
1133 |
} |
|
1134 |
InputStream in = new FileInputStream(fname); |
|
1135 |
BufferedInputStream bin = new BufferedInputStream(in); |
|
1136 |
try { |
|
1137 |
readConfiguration(bin); |
|
1138 |
} finally { |
|
1139 |
if (in != null) { |
|
1140 |
in.close(); |
|
1141 |
} |
|
1142 |
} |
|
1143 |
} |
|
1144 |
||
1145 |
/** |
|
1146 |
* Reset the logging configuration. |
|
1147 |
* <p> |
|
1148 |
* For all named loggers, the reset operation removes and closes |
|
1149 |
* all Handlers and (except for the root logger) sets the level |
|
1150 |
* to null. The root logger's level is set to Level.INFO. |
|
1151 |
* |
|
1152 |
* @exception SecurityException if a security manager exists and if |
|
1153 |
* the caller does not have LoggingPermission("control"). |
|
1154 |
*/ |
|
1155 |
||
1156 |
public void reset() throws SecurityException { |
|
14216
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1157 |
checkPermission(); |
2 | 1158 |
synchronized (this) { |
1159 |
props = new Properties(); |
|
1160 |
// Since we are doing a reset we no longer want to initialize |
|
1161 |
// the global handlers, if they haven't been initialized yet. |
|
1162 |
initializedGlobalHandlers = true; |
|
1163 |
} |
|
16098 | 1164 |
for (LoggerContext cx : contexts()) { |
1165 |
Enumeration<String> enum_ = cx.getLoggerNames(); |
|
1166 |
while (enum_.hasMoreElements()) { |
|
1167 |
String name = enum_.nextElement(); |
|
1168 |
Logger logger = cx.findLogger(name); |
|
1169 |
if (logger != null) { |
|
1170 |
resetLogger(logger); |
|
1171 |
} |
|
1172 |
} |
|
2 | 1173 |
} |
1174 |
} |
|
1175 |
||
1176 |
// Private method to reset an individual target logger. |
|
16098 | 1177 |
private void resetLogger(Logger logger) { |
2 | 1178 |
// Close all the Logger's handlers. |
1179 |
Handler[] targets = logger.getHandlers(); |
|
1180 |
for (int i = 0; i < targets.length; i++) { |
|
1181 |
Handler h = targets[i]; |
|
1182 |
logger.removeHandler(h); |
|
1183 |
try { |
|
1184 |
h.close(); |
|
1185 |
} catch (Exception ex) { |
|
1186 |
// Problems closing a handler? Keep going... |
|
1187 |
} |
|
1188 |
} |
|
16098 | 1189 |
String name = logger.getName(); |
2 | 1190 |
if (name != null && name.equals("")) { |
1191 |
// This is the root logger. |
|
1192 |
logger.setLevel(defaultLevel); |
|
1193 |
} else { |
|
1194 |
logger.setLevel(null); |
|
1195 |
} |
|
1196 |
} |
|
1197 |
||
1198 |
// get a list of whitespace separated classnames from a property. |
|
1199 |
private String[] parseClassNames(String propertyName) { |
|
1200 |
String hands = getProperty(propertyName); |
|
1201 |
if (hands == null) { |
|
1202 |
return new String[0]; |
|
1203 |
} |
|
1204 |
hands = hands.trim(); |
|
1205 |
int ix = 0; |
|
7803
56bc97d69d93
6880112: Project Coin: Port JDK core library code to use diamond operator
smarks
parents:
6675
diff
changeset
|
1206 |
Vector<String> result = new Vector<>(); |
2 | 1207 |
while (ix < hands.length()) { |
1208 |
int end = ix; |
|
1209 |
while (end < hands.length()) { |
|
1210 |
if (Character.isWhitespace(hands.charAt(end))) { |
|
1211 |
break; |
|
1212 |
} |
|
1213 |
if (hands.charAt(end) == ',') { |
|
1214 |
break; |
|
1215 |
} |
|
1216 |
end++; |
|
1217 |
} |
|
1218 |
String word = hands.substring(ix, end); |
|
1219 |
ix = end+1; |
|
1220 |
word = word.trim(); |
|
1221 |
if (word.length() == 0) { |
|
1222 |
continue; |
|
1223 |
} |
|
1224 |
result.add(word); |
|
1225 |
} |
|
1226 |
return result.toArray(new String[result.size()]); |
|
1227 |
} |
|
1228 |
||
1229 |
/** |
|
1230 |
* Reinitialize the logging properties and reread the logging configuration |
|
1231 |
* from the given stream, which should be in java.util.Properties format. |
|
1232 |
* A PropertyChangeEvent will be fired after the properties are read. |
|
1233 |
* <p> |
|
1234 |
* Any log level definitions in the new configuration file will be |
|
1235 |
* applied using Logger.setLevel(), if the target Logger exists. |
|
1236 |
* |
|
1237 |
* @param ins stream to read properties from |
|
1238 |
* @exception SecurityException if a security manager exists and if |
|
1239 |
* the caller does not have LoggingPermission("control"). |
|
1240 |
* @exception IOException if there are problems reading from the stream. |
|
1241 |
*/ |
|
1242 |
public void readConfiguration(InputStream ins) throws IOException, SecurityException { |
|
14216
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1243 |
checkPermission(); |
2 | 1244 |
reset(); |
1245 |
||
1246 |
// Load the properties |
|
1247 |
props.load(ins); |
|
1248 |
// Instantiate new configuration objects. |
|
1249 |
String names[] = parseClassNames("config"); |
|
1250 |
||
1251 |
for (int i = 0; i < names.length; i++) { |
|
1252 |
String word = names[i]; |
|
1253 |
try { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
1254 |
Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(word); |
2 | 1255 |
clz.newInstance(); |
1256 |
} catch (Exception ex) { |
|
1257 |
System.err.println("Can't load config class \"" + word + "\""); |
|
1258 |
System.err.println("" + ex); |
|
1259 |
// ex.printStackTrace(); |
|
1260 |
} |
|
1261 |
} |
|
1262 |
||
1263 |
// Set levels on any pre-existing loggers, based on the new properties. |
|
1264 |
setLevelsOnExistingLoggers(); |
|
1265 |
||
1266 |
// Notify any interested parties that our properties have changed. |
|
13578
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1267 |
// We first take a copy of the listener map so that we aren't holding any |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1268 |
// locks when calling the listeners. |
14774
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1269 |
Map<Object,Integer> listeners = null; |
13578
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1270 |
synchronized (listenerMap) { |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1271 |
if (!listenerMap.isEmpty()) |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1272 |
listeners = new HashMap<>(listenerMap); |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1273 |
} |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1274 |
if (listeners != null) { |
14774
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1275 |
assert Beans.isBeansPresent(); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1276 |
Object ev = Beans.newPropertyChangeEvent(LogManager.class, null, null, null); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1277 |
for (Map.Entry<Object,Integer> entry : listeners.entrySet()) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1278 |
Object listener = entry.getKey(); |
13578
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1279 |
int count = entry.getValue().intValue(); |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1280 |
for (int i = 0; i < count; i++) { |
14774
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1281 |
Beans.invokePropertyChange(listener, ev); |
13578
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1282 |
} |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1283 |
} |
cb435d74ab6b
7192275: Minimize LogManager dependencies on java.beans
alanb
parents:
11274
diff
changeset
|
1284 |
} |
2 | 1285 |
|
14774
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1286 |
|
2 | 1287 |
// Note that we need to reinitialize global handles when |
1288 |
// they are first referenced. |
|
1289 |
synchronized (this) { |
|
1290 |
initializedGlobalHandlers = false; |
|
1291 |
} |
|
1292 |
} |
|
1293 |
||
1294 |
/** |
|
1295 |
* Get the value of a logging property. |
|
1296 |
* The method returns null if the property is not found. |
|
1297 |
* @param name property name |
|
1298 |
* @return property value |
|
1299 |
*/ |
|
1300 |
public String getProperty(String name) { |
|
1301 |
return props.getProperty(name); |
|
1302 |
} |
|
1303 |
||
1304 |
// Package private method to get a String property. |
|
1305 |
// If the property is not defined we return the given |
|
1306 |
// default value. |
|
1307 |
String getStringProperty(String name, String defaultValue) { |
|
1308 |
String val = getProperty(name); |
|
1309 |
if (val == null) { |
|
1310 |
return defaultValue; |
|
1311 |
} |
|
1312 |
return val.trim(); |
|
1313 |
} |
|
1314 |
||
1315 |
// Package private method to get an integer property. |
|
1316 |
// If the property is not defined or cannot be parsed |
|
1317 |
// we return the given default value. |
|
1318 |
int getIntProperty(String name, int defaultValue) { |
|
1319 |
String val = getProperty(name); |
|
1320 |
if (val == null) { |
|
1321 |
return defaultValue; |
|
1322 |
} |
|
1323 |
try { |
|
1324 |
return Integer.parseInt(val.trim()); |
|
1325 |
} catch (Exception ex) { |
|
1326 |
return defaultValue; |
|
1327 |
} |
|
1328 |
} |
|
1329 |
||
1330 |
// Package private method to get a boolean property. |
|
1331 |
// If the property is not defined or cannot be parsed |
|
1332 |
// we return the given default value. |
|
1333 |
boolean getBooleanProperty(String name, boolean defaultValue) { |
|
1334 |
String val = getProperty(name); |
|
1335 |
if (val == null) { |
|
1336 |
return defaultValue; |
|
1337 |
} |
|
1338 |
val = val.toLowerCase(); |
|
1339 |
if (val.equals("true") || val.equals("1")) { |
|
1340 |
return true; |
|
1341 |
} else if (val.equals("false") || val.equals("0")) { |
|
1342 |
return false; |
|
1343 |
} |
|
1344 |
return defaultValue; |
|
1345 |
} |
|
1346 |
||
1347 |
// Package private method to get a Level property. |
|
1348 |
// If the property is not defined or cannot be parsed |
|
1349 |
// we return the given default value. |
|
1350 |
Level getLevelProperty(String name, Level defaultValue) { |
|
1351 |
String val = getProperty(name); |
|
1352 |
if (val == null) { |
|
1353 |
return defaultValue; |
|
1354 |
} |
|
16098 | 1355 |
Level l = Level.findLevel(val.trim()); |
1356 |
return l != null ? l : defaultValue; |
|
2 | 1357 |
} |
1358 |
||
1359 |
// Package private method to get a filter property. |
|
1360 |
// We return an instance of the class named by the "name" |
|
1361 |
// property. If the property is not defined or has problems |
|
1362 |
// we return the defaultValue. |
|
1363 |
Filter getFilterProperty(String name, Filter defaultValue) { |
|
1364 |
String val = getProperty(name); |
|
1365 |
try { |
|
1366 |
if (val != null) { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
1367 |
Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(val); |
2 | 1368 |
return (Filter) clz.newInstance(); |
1369 |
} |
|
1370 |
} catch (Exception ex) { |
|
1371 |
// We got one of a variety of exceptions in creating the |
|
1372 |
// class or creating an instance. |
|
1373 |
// Drop through. |
|
1374 |
} |
|
1375 |
// We got an exception. Return the defaultValue. |
|
1376 |
return defaultValue; |
|
1377 |
} |
|
1378 |
||
1379 |
||
1380 |
// Package private method to get a formatter property. |
|
1381 |
// We return an instance of the class named by the "name" |
|
1382 |
// property. If the property is not defined or has problems |
|
1383 |
// we return the defaultValue. |
|
1384 |
Formatter getFormatterProperty(String name, Formatter defaultValue) { |
|
1385 |
String val = getProperty(name); |
|
1386 |
try { |
|
1387 |
if (val != null) { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
1388 |
Class<?> clz = ClassLoader.getSystemClassLoader().loadClass(val); |
2 | 1389 |
return (Formatter) clz.newInstance(); |
1390 |
} |
|
1391 |
} catch (Exception ex) { |
|
1392 |
// We got one of a variety of exceptions in creating the |
|
1393 |
// class or creating an instance. |
|
1394 |
// Drop through. |
|
1395 |
} |
|
1396 |
// We got an exception. Return the defaultValue. |
|
1397 |
return defaultValue; |
|
1398 |
} |
|
1399 |
||
1400 |
// Private method to load the global handlers. |
|
1401 |
// We do the real work lazily, when the global handlers |
|
1402 |
// are first used. |
|
1403 |
private synchronized void initializeGlobalHandlers() { |
|
1404 |
if (initializedGlobalHandlers) { |
|
1405 |
return; |
|
1406 |
} |
|
1407 |
||
1408 |
initializedGlobalHandlers = true; |
|
1409 |
||
1410 |
if (deathImminent) { |
|
1411 |
// Aaargh... |
|
1412 |
// The VM is shutting down and our exit hook has been called. |
|
1413 |
// Avoid allocating global handlers. |
|
1414 |
return; |
|
1415 |
} |
|
1416 |
loadLoggerHandlers(rootLogger, null, "handlers"); |
|
1417 |
} |
|
1418 |
||
14216
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1419 |
private final Permission controlPermission = new LoggingPermission("control", null); |
2 | 1420 |
|
14216
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1421 |
void checkPermission() { |
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1422 |
SecurityManager sm = System.getSecurityManager(); |
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1423 |
if (sm != null) |
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1424 |
sm.checkPermission(controlPermission); |
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1425 |
} |
2 | 1426 |
|
1427 |
/** |
|
1428 |
* Check that the current context is trusted to modify the logging |
|
1429 |
* configuration. This requires LoggingPermission("control"). |
|
1430 |
* <p> |
|
1431 |
* If the check fails we throw a SecurityException, otherwise |
|
1432 |
* we return normally. |
|
1433 |
* |
|
1434 |
* @exception SecurityException if a security manager exists and if |
|
1435 |
* the caller does not have LoggingPermission("control"). |
|
1436 |
*/ |
|
1437 |
public void checkAccess() throws SecurityException { |
|
14216
23714b376286
7169884: LogManager checks do not work correctly for sub-types
alanb
parents:
13578
diff
changeset
|
1438 |
checkPermission(); |
2 | 1439 |
} |
1440 |
||
1441 |
// Nested class to represent a node in our tree of named loggers. |
|
1442 |
private static class LogNode { |
|
1443 |
HashMap<String,LogNode> children; |
|
5964
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
1444 |
LoggerWeakRef loggerRef; |
2 | 1445 |
LogNode parent; |
16098 | 1446 |
final LoggerContext context; |
2 | 1447 |
|
16098 | 1448 |
LogNode(LogNode parent, LoggerContext context) { |
2 | 1449 |
this.parent = parent; |
16098 | 1450 |
this.context = context; |
2 | 1451 |
} |
1452 |
||
1453 |
// Recursive method to walk the tree below a node and set |
|
1454 |
// a new parent logger. |
|
1455 |
void walkAndSetParent(Logger parent) { |
|
1456 |
if (children == null) { |
|
1457 |
return; |
|
1458 |
} |
|
1459 |
Iterator<LogNode> values = children.values().iterator(); |
|
1460 |
while (values.hasNext()) { |
|
1461 |
LogNode node = values.next(); |
|
5964
0496aa46ae9f
6942989: 2/2 Memory leak of java.lang.ref.WeakReference objects
dcubed
parents:
5506
diff
changeset
|
1462 |
LoggerWeakRef ref = node.loggerRef; |
2 | 1463 |
Logger logger = (ref == null) ? null : ref.get(); |
1464 |
if (logger == null) { |
|
1465 |
node.walkAndSetParent(parent); |
|
1466 |
} else { |
|
1467 |
doSetParent(logger, parent); |
|
1468 |
} |
|
1469 |
} |
|
1470 |
} |
|
1471 |
} |
|
1472 |
||
1473 |
// We use a subclass of Logger for the root logger, so |
|
1474 |
// that we only instantiate the global handlers when they |
|
1475 |
// are first needed. |
|
1476 |
private class RootLogger extends Logger { |
|
1477 |
private RootLogger() { |
|
1478 |
super("", null); |
|
1479 |
setLevel(defaultLevel); |
|
1480 |
} |
|
1481 |
||
1482 |
public void log(LogRecord record) { |
|
1483 |
// Make sure that the global handlers have been instantiated. |
|
1484 |
initializeGlobalHandlers(); |
|
1485 |
super.log(record); |
|
1486 |
} |
|
1487 |
||
1488 |
public void addHandler(Handler h) { |
|
1489 |
initializeGlobalHandlers(); |
|
1490 |
super.addHandler(h); |
|
1491 |
} |
|
1492 |
||
1493 |
public void removeHandler(Handler h) { |
|
1494 |
initializeGlobalHandlers(); |
|
1495 |
super.removeHandler(h); |
|
1496 |
} |
|
1497 |
||
1498 |
public Handler[] getHandlers() { |
|
1499 |
initializeGlobalHandlers(); |
|
1500 |
return super.getHandlers(); |
|
1501 |
} |
|
1502 |
} |
|
1503 |
||
1504 |
||
1505 |
// Private method to be called when the configuration has |
|
1506 |
// changed to apply any level settings to any pre-existing loggers. |
|
1507 |
synchronized private void setLevelsOnExistingLoggers() { |
|
11274
7e7196757acd
7117249: fix warnings in java.util.jar, .logging, .prefs, .zip
smarks
parents:
9700
diff
changeset
|
1508 |
Enumeration<?> enum_ = props.propertyNames(); |
2 | 1509 |
while (enum_.hasMoreElements()) { |
1510 |
String key = (String)enum_.nextElement(); |
|
1511 |
if (!key.endsWith(".level")) { |
|
1512 |
// Not a level definition. |
|
1513 |
continue; |
|
1514 |
} |
|
1515 |
int ix = key.length() - 6; |
|
1516 |
String name = key.substring(0, ix); |
|
1517 |
Level level = getLevelProperty(key, null); |
|
1518 |
if (level == null) { |
|
1519 |
System.err.println("Bad level value for property: " + key); |
|
1520 |
continue; |
|
1521 |
} |
|
16098 | 1522 |
for (LoggerContext cx : contexts()) { |
1523 |
Logger l = cx.findLogger(name); |
|
1524 |
if (l == null) { |
|
1525 |
continue; |
|
1526 |
} |
|
1527 |
l.setLevel(level); |
|
2 | 1528 |
} |
1529 |
} |
|
1530 |
} |
|
1531 |
||
1532 |
// Management Support |
|
1533 |
private static LoggingMXBean loggingMXBean = null; |
|
1534 |
/** |
|
1535 |
* String representation of the |
|
9013
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1536 |
* {@link javax.management.ObjectName} for the management interface |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1537 |
* for the logging facility. |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1538 |
* |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1539 |
* @see java.lang.management.PlatformLoggingMXBean |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1540 |
* @see java.util.logging.LoggingMXBean |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1541 |
* |
2 | 1542 |
* @since 1.5 |
1543 |
*/ |
|
1544 |
public final static String LOGGING_MXBEAN_NAME |
|
1545 |
= "java.util.logging:type=Logging"; |
|
1546 |
||
1547 |
/** |
|
1548 |
* Returns <tt>LoggingMXBean</tt> for managing loggers. |
|
9013
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1549 |
* An alternative way to manage loggers is through the |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1550 |
* {@link java.lang.management.PlatformLoggingMXBean} interface |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1551 |
* that can be obtained by calling: |
4172
bceea7bc12b7
6876135: Add PlatformLoggingMXBean to eliminate the dependency on JMX from logging
mchung
parents:
3861
diff
changeset
|
1552 |
* <pre> |
9013
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1553 |
* PlatformLoggingMXBean logging = {@link java.lang.management.ManagementFactory#getPlatformMXBean(Class) |
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1554 |
* ManagementFactory.getPlatformMXBean}(PlatformLoggingMXBean.class); |
4172
bceea7bc12b7
6876135: Add PlatformLoggingMXBean to eliminate the dependency on JMX from logging
mchung
parents:
3861
diff
changeset
|
1555 |
* </pre> |
2 | 1556 |
* |
1557 |
* @return a {@link LoggingMXBean} object. |
|
1558 |
* |
|
9013
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1559 |
* @see java.lang.management.PlatformLoggingMXBean |
2 | 1560 |
* @since 1.5 |
1561 |
*/ |
|
9013
eedac0b9f552
7024172: Move BufferPoolMXBean and PlatformLoggingMXBean java.lang.management
mchung
parents:
7803
diff
changeset
|
1562 |
public static synchronized LoggingMXBean getLoggingMXBean() { |
2 | 1563 |
if (loggingMXBean == null) { |
1564 |
loggingMXBean = new Logging(); |
|
1565 |
} |
|
1566 |
return loggingMXBean; |
|
1567 |
} |
|
1568 |
||
14774
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1569 |
/** |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1570 |
* A class that provides access to the java.beans.PropertyChangeListener |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1571 |
* and java.beans.PropertyChangeEvent without creating a static dependency |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1572 |
* on java.beans. This class can be removed once the addPropertyChangeListener |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1573 |
* and removePropertyChangeListener methods are removed. |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1574 |
*/ |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1575 |
private static class Beans { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1576 |
private static final Class<?> propertyChangeListenerClass = |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1577 |
getClass("java.beans.PropertyChangeListener"); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1578 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1579 |
private static final Class<?> propertyChangeEventClass = |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1580 |
getClass("java.beans.PropertyChangeEvent"); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1581 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1582 |
private static final Method propertyChangeMethod = |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1583 |
getMethod(propertyChangeListenerClass, |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1584 |
"propertyChange", |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1585 |
propertyChangeEventClass); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1586 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1587 |
private static final Constructor<?> propertyEventCtor = |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1588 |
getConstructor(propertyChangeEventClass, |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1589 |
Object.class, |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1590 |
String.class, |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1591 |
Object.class, |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1592 |
Object.class); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1593 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1594 |
private static Class<?> getClass(String name) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1595 |
try { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1596 |
return Class.forName(name, true, Beans.class.getClassLoader()); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1597 |
} catch (ClassNotFoundException e) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1598 |
return null; |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1599 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1600 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1601 |
private static Constructor<?> getConstructor(Class<?> c, Class<?>... types) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1602 |
try { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1603 |
return (c == null) ? null : c.getDeclaredConstructor(types); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1604 |
} catch (NoSuchMethodException x) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1605 |
throw new AssertionError(x); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1606 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1607 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1608 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1609 |
private static Method getMethod(Class<?> c, String name, Class<?>... types) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1610 |
try { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1611 |
return (c == null) ? null : c.getMethod(name, types); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1612 |
} catch (NoSuchMethodException e) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1613 |
throw new AssertionError(e); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1614 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1615 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1616 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1617 |
/** |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1618 |
* Returns {@code true} if java.beans is present. |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1619 |
*/ |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1620 |
static boolean isBeansPresent() { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1621 |
return propertyChangeListenerClass != null && |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1622 |
propertyChangeEventClass != null; |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1623 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1624 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1625 |
/** |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1626 |
* Returns a new PropertyChangeEvent with the given source, property |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1627 |
* name, old and new values. |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1628 |
*/ |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1629 |
static Object newPropertyChangeEvent(Object source, String prop, |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1630 |
Object oldValue, Object newValue) |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1631 |
{ |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1632 |
try { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1633 |
return propertyEventCtor.newInstance(source, prop, oldValue, newValue); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1634 |
} catch (InstantiationException | IllegalAccessException x) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1635 |
throw new AssertionError(x); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1636 |
} catch (InvocationTargetException x) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1637 |
Throwable cause = x.getCause(); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1638 |
if (cause instanceof Error) |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1639 |
throw (Error)cause; |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1640 |
if (cause instanceof RuntimeException) |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1641 |
throw (RuntimeException)cause; |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1642 |
throw new AssertionError(x); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1643 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1644 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1645 |
|
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1646 |
/** |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1647 |
* Invokes the given PropertyChangeListener's propertyChange method |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1648 |
* with the given event. |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1649 |
*/ |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1650 |
static void invokePropertyChange(Object listener, Object ev) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1651 |
try { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1652 |
propertyChangeMethod.invoke(listener, ev); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1653 |
} catch (IllegalAccessException x) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1654 |
throw new AssertionError(x); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1655 |
} catch (InvocationTargetException x) { |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1656 |
Throwable cause = x.getCause(); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1657 |
if (cause instanceof Error) |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1658 |
throw (Error)cause; |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1659 |
if (cause instanceof RuntimeException) |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1660 |
throw (RuntimeException)cause; |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1661 |
throw new AssertionError(x); |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1662 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1663 |
} |
4e298ffae1c7
8004874: Reduce dependency on java.beans to only add/removePropertyChangeListener
alanb
parents:
14767
diff
changeset
|
1664 |
} |
2 | 1665 |
} |