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    
018    package org.apache.logging.log4j.jul;
019    
020    import java.util.IdentityHashMap;
021    import java.util.Map;
022    
023    import org.apache.logging.log4j.Level;
024    
025    /**
026     * Default implementation of LevelConverter strategy.
027     *
028     * @since 2.1
029     */
030    public 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    }