| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| |
| package org.apache.logging.log4j.jul; |
| |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.status.StatusLogger; |
| import org.apache.logging.log4j.util.LoaderUtil; |
| import org.apache.logging.log4j.util.PropertiesUtil; |
| |
| /** |
| * Utility class to convert between JDK Levels and Log4j 2 Levels. |
| * |
| * @since 2.1 |
| */ |
| public final class LevelTranslator { |
| |
| /** |
| * Custom Log4j level corresponding to the {@link java.util.logging.Level#FINEST} logging level. This maps to a |
| * level more specific than {@link org.apache.logging.log4j.Level#TRACE}. |
| */ |
| public static final Level FINEST = Level.forName("FINEST", Level.TRACE.intLevel() + 100); |
| |
| /** |
| * Custom Log4j level corresponding to the {@link java.util.logging.Level#CONFIG} logging level. This maps to a |
| * level in between {@link org.apache.logging.log4j.Level#INFO} and {@link org.apache.logging.log4j.Level#DEBUG}. |
| */ |
| public static final Level CONFIG = Level.forName("CONFIG", Level.INFO.intLevel() + 50); |
| |
| private static final Logger LOGGER = StatusLogger.getLogger(); |
| private static final LevelConverter LEVEL_CONVERTER; |
| |
| static { |
| final String levelConverterClassName = |
| PropertiesUtil.getProperties().getStringProperty(Constants.LEVEL_CONVERTER_PROPERTY); |
| if (levelConverterClassName != null) { |
| LevelConverter levelConverter; |
| try { |
| levelConverter = LoaderUtil.newCheckedInstanceOf(levelConverterClassName, LevelConverter.class); |
| } catch (final Exception e) { |
| LOGGER.error("Could not create custom LevelConverter [{}].", levelConverterClassName, e); |
| levelConverter = new DefaultLevelConverter(); |
| } |
| LEVEL_CONVERTER = levelConverter; |
| } else { |
| LEVEL_CONVERTER = new DefaultLevelConverter(); |
| } |
| } |
| |
| /** |
| * Converts a JDK logging Level to a Log4j logging Level. |
| * |
| * @param level JDK Level to convert, may be null per the JUL specification. |
| * @return converted Level or null |
| */ |
| public static Level toLevel(final java.util.logging.Level level) { |
| return LEVEL_CONVERTER.toLevel(level); |
| } |
| |
| /** |
| * Converts a Log4j logging Level to a JDK logging Level. |
| * |
| * @param level Log4j Level to convert. |
| * @return converted Level. |
| */ |
| public static java.util.logging.Level toJavaLevel(final Level level) { |
| return LEVEL_CONVERTER.toJavaLevel(level); |
| } |
| |
| private LevelTranslator() { |
| } |
| } |