e04e052889
Changed the Logger catalog cache to use WeakReference<ResourceBundle> Reviewed-by: lancea, mchung, naoto
45 lines
1.7 KiB
Java
45 lines
1.7 KiB
Java
/*
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* Copyright (c) 2020, 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.
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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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import java.util.concurrent.locks.Lock;
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import java.util.concurrent.locks.ReentrantLock;
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import java.util.logging.Logger;
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public class LoggingApp {
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private static final Lock lock = new ReentrantLock();
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private static volatile Logger logger;
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public static Logger logger() {
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Logger logger = LoggingApp.logger;
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if (logger != null) return logger;
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lock.lock();
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try {
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if ((logger = LoggingApp.logger) != null) return logger;
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LoggingApp.logger = logger =
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Logger.getLogger("com.example", "MyBundle");
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} finally {
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lock.unlock();
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}
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return logger;
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}
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}
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