/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.util.*;
import java.util.logging.*;
import sun.util.logging.PlatformLogger;
/*
* @test
* @bug 8005615
* @summary A LogManager subclass overrides its own implementation of named
* logger (see the subclassing information in the Logger class specification)
*
* @compile -XDignore.symbol.file CustomLogManager.java SimpleLogManager.java
* @run main/othervm -Djava.util.logging.manager=SimpleLogManager SimpleLogManager
*/
public class SimpleLogManager extends CustomLogManager {
public static void main(String[] args) {
String classname = System.getProperty("java.util.logging.manager");
if (!classname.equals("SimpleLogManager")) {
throw new RuntimeException("java.util.logging.manager not set");
}
Logger logger = Logger.getLogger(SimpleLogManager.class.getName());
Logger.getLogger("org.foo.bar.Foo");
// a platform logger used by the system code is just a Logger instance.
PlatformLogger.getLogger("org.openjdk.core.logger");
LogManager mgr = LogManager.getLogManager();
if (mgr != CustomLogManager.INSTANCE || !(mgr instanceof SimpleLogManager)) {
throw new RuntimeException(LogManager.getLogManager() + " not SimpleLogManager");
}
checkCustomLogger(SimpleLogManager.class.getName(), null);
checkCustomLogger("org.foo.bar.Foo", null);
checkCustomLogger("org.openjdk.core.logger", "sun.util.logging.resources.logging");
// ## The LogManager.demandLogger method does not handle custom log manager
// ## that overrides the getLogger method to return a custom logger
// ## (see the test case in 8005640). Logger.getLogger may return
// ## a Logger instance but LogManager overrides it with a custom Logger
// ## instance like this case.
//
// However, the specification of LogManager and Logger subclassing is
// not clear whether this is supported or not. The following check
// just captures the current behavior.
if (logger instanceof CustomLogger) {
throw new RuntimeException(logger + " not CustomLogger");
}
}
private static void checkCustomLogger(String name, String resourceBundleName) {
CustomLogManager.checkLogger(name, resourceBundleName);
Logger logger1 = Logger.getLogger(name);
Logger logger2 = LogManager.getLogManager().getLogger(name);
if (logger1 != logger2) {
throw new RuntimeException(logger1 + " != " + logger2);
}
if (!(logger1 instanceof CustomLogger)) {
throw new RuntimeException(logger1 + " not CustomLogger");
}
}
/*
* This SimpleLogManager overrides the addLogger method to replace
* the given logger with a custom logger.
*
* It's unclear what the recommended way to use custom logger is.
* A LogManager subclass might override the getLogger method to return
* a custom Logger and create a new custom logger if not exist so that
* Logger.getLogger() can return a custom Logger instance but that violates
* the LogManager.getLogger() spec which should return null if not found.
*/
public synchronized boolean addLogger(Logger logger) {
String name = logger.getName();
if (namedLoggers.containsKey(name)) {
return false;
}
CustomLogger newLogger = new CustomLogger(logger);
super.addLogger(newLogger);
return true;
}
public class CustomLogger extends Logger {
CustomLogger(Logger logger) {
super(logger.getName(), logger.getResourceBundleName());
}
CustomLogger(String name) {
super(name, null);
}
}
}