JDK8/Java8源码在线阅读

/*
 * Copyright (c) 2009, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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.
 */

package java.util.logging;

import sun.util.logging.LoggingProxy;

/**
 * Implementation of LoggingProxy when java.util.logging classes exist.
 */
class LoggingProxyImpl implements LoggingProxy {
    static final LoggingProxy INSTANCE = new LoggingProxyImpl();

    private LoggingProxyImpl() { }

    @Override
    public Object getLogger(String name) {
        // always create a platform logger with the resource bundle name
        return Logger.getPlatformLogger(name);
    }

    @Override
    public Object getLevel(Object logger) {
        return ((Logger) logger).getLevel();
    }

    @Override
    public void setLevel(Object logger, Object newLevel) {
        ((Logger) logger).setLevel((Level) newLevel);
    }

    @Override
    public boolean isLoggable(Object logger, Object level) {
        return ((Logger) logger).isLoggable((Level) level);
    }

    @Override
    public void log(Object logger, Object level, String msg) {
        ((Logger) logger).log((Level) level, msg);
    }

    @Override
    public void log(Object logger, Object level, String msg, Throwable t) {
        ((Logger) logger).log((Level) level, msg, t);
    }

    @Override
    public void log(Object logger, Object level, String msg, Object... params) {
        ((Logger) logger).log((Level) level, msg, params);
    }

    @Override
    public java.util.List<String> getLoggerNames() {
        return LogManager.getLoggingMXBean().getLoggerNames();
    }

    @Override
    public String getLoggerLevel(String loggerName) {
        return LogManager.getLoggingMXBean().getLoggerLevel(loggerName);
    }

    @Override
    public void setLoggerLevel(String loggerName, String levelName) {
        LogManager.getLoggingMXBean().setLoggerLevel(loggerName, levelName);
    }

    @Override
    public String getParentLoggerName(String loggerName) {
        return LogManager.getLoggingMXBean().getParentLoggerName(loggerName);
    }

    @Override
    public Object parseLevel(String levelName) {
        Level level = Level.findLevel(levelName);
        if (level == null) {
            throw new IllegalArgumentException("Unknown level \"" + levelName + "\"");
        }

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