    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    }