001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache license, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the license for the specific language governing permissions and
015 * limitations under the license.
016 */
017
018package org.apache.logging.log4j.jul;
019
020import java.util.IdentityHashMap;
021import java.util.Map;
022
023import org.apache.logging.log4j.Level;
024
025/**
026 * Default implementation of LevelConverter strategy.
027 *
028 * @since 2.1
029 */
030public class DefaultLevelConverter implements LevelConverter {
031
032    private final Map<java.util.logging.Level, Level> JDK_TO_LOG4J =
033        new IdentityHashMap<java.util.logging.Level, Level>(9);
034    private final Map<Level, java.util.logging.Level> LOG4J_TO_JDK =
035        new IdentityHashMap<Level, java.util.logging.Level>(10);
036
037    public DefaultLevelConverter() {
038        JDK_TO_LOG4J.put(java.util.logging.Level.OFF, Level.OFF);
039        JDK_TO_LOG4J.put(java.util.logging.Level.FINEST, LevelTranslator.FINEST);
040        JDK_TO_LOG4J.put(java.util.logging.Level.FINER, Level.TRACE);
041        JDK_TO_LOG4J.put(java.util.logging.Level.FINE, Level.DEBUG);
042        JDK_TO_LOG4J.put(java.util.logging.Level.CONFIG, LevelTranslator.CONFIG);
043        JDK_TO_LOG4J.put(java.util.logging.Level.INFO, Level.INFO);
044        JDK_TO_LOG4J.put(java.util.logging.Level.WARNING, Level.WARN);
045        JDK_TO_LOG4J.put(java.util.logging.Level.SEVERE, Level.ERROR);
046        JDK_TO_LOG4J.put(java.util.logging.Level.ALL, Level.ALL);
047        LOG4J_TO_JDK.put(Level.OFF, java.util.logging.Level.OFF);
048        LOG4J_TO_JDK.put(LevelTranslator.FINEST, java.util.logging.Level.FINEST);
049        LOG4J_TO_JDK.put(Level.TRACE, java.util.logging.Level.FINER);
050        LOG4J_TO_JDK.put(Level.DEBUG, java.util.logging.Level.FINE);
051        LOG4J_TO_JDK.put(LevelTranslator.CONFIG, java.util.logging.Level.CONFIG);
052        LOG4J_TO_JDK.put(Level.INFO, java.util.logging.Level.INFO);
053        LOG4J_TO_JDK.put(Level.WARN, java.util.logging.Level.WARNING);
054        LOG4J_TO_JDK.put(Level.ERROR, java.util.logging.Level.SEVERE);
055        LOG4J_TO_JDK.put(Level.FATAL, java.util.logging.Level.SEVERE);
056        LOG4J_TO_JDK.put(Level.ALL, java.util.logging.Level.ALL);
057    }
058
059    @Override
060    public Level toLevel(final java.util.logging.Level javaLevel) {
061        return JDK_TO_LOG4J.get(javaLevel);
062    }
063
064    @Override
065    public java.util.logging.Level toJavaLevel(final Level level) {
066        return LOG4J_TO_JDK.get(level);
067    }
068}