/*
 * Copyright (c) 2016, 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
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 */

package jdk.internal.logger;

import java.util.function.Function;
import sun.util.logging.PlatformLogger;

A simple console logger used to emulate the behavior of JUL loggers when
java.util.logging has no custom configuration.
Surrogate loggers are usually only used temporarily, until the LogManager
is initialized. At this point, the surrogates are replaced by an actual
logger obtained from LogManager.
/**
 * A simple console logger used to emulate the behavior of JUL loggers when
 * java.util.logging has no custom configuration.
 * Surrogate loggers are usually only used temporarily, until the LogManager
 * is initialized. At this point, the surrogates are replaced by an actual
 * logger obtained from LogManager.
 */
public final class SurrogateLogger extends SimpleConsoleLogger {

    private static final PlatformLogger.Level JUL_DEFAULT_LEVEL =
            PlatformLogger.Level.INFO;
    private static volatile String simpleFormatString;

    SurrogateLogger(String name) {
        super(name, true);
    }

    @Override
    PlatformLogger.Level defaultPlatformLevel() {
        return JUL_DEFAULT_LEVEL;
    }

    @Override
    String getSimpleFormatString() {
        if (simpleFormatString == null) {
            simpleFormatString = getSimpleFormat(null);
        }
        return simpleFormatString;
    }

    public static String getSimpleFormat(Function<String, String> defaultPropertyGetter) {
        return Formatting.getSimpleFormat(Formatting.JUL_FORMAT_PROP_KEY, defaultPropertyGetter);
    }

    public static SurrogateLogger makeSurrogateLogger(String name) {
        return new SurrogateLogger(name);
    }

    public static boolean isFilteredFrame(StackWalker.StackFrame st) {
        return Formatting.isFilteredFrame(st);
    }
}