60 lines
2.3 KiB
Java
60 lines
2.3 KiB
Java
/*
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* Copyright (c) 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.
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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 testgetglobal;
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import java.util.logging.LogManager;
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import java.util.logging.Logger;
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/**
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* This class is used to verify that calling Logger.getLogger(Logger.GLOBAL_LOGGER_NAME)
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* in the static initializer of a LogManager subclass installed as default
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* LogManager does not cause issues beyond throwing the expected NPE.
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* @author danielfuchs
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*/
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public class LogManagerImpl3 extends LogManager {
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static final Logger global;
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static {
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Logger g = null;
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try {
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g = Logger.getLogger(Logger.GLOBAL_LOGGER_NAME);
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throw new Error("Should not have reached here");
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} catch (Exception x) {
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// This is to be expected: Logger.getLogger(Logger.GLOBAL_LOGGER_NAME)
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// will call LogManager.getLogManager() which will return null, since
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// we haven't manage to do new LogManagerImpl3() yet.
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//
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System.err.println("Got expected exception - you cannot call"
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+ " Logger.getLogger(Logger.GLOBAL_LOGGER_NAME)"
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+ " in LogManager subclass static initializer: " + x);
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x.printStackTrace();
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}
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if (g == null) {
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g = Logger.getGlobal();
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}
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global = g;
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System.err.println("Global is: " + global);
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}
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}
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