View Javadoc
1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  
18  package org.apache.logging.log4j.jul;
19  
20  import java.util.IdentityHashMap;
21  import java.util.Map;
22  
23  import org.apache.logging.log4j.Level;
24  
25  /**
26   * Default implementation of LevelConverter strategy.
27   *
28   * @since 2.1
29   */
30  public class DefaultLevelConverter implements LevelConverter {
31  
32      private final Map<java.util.logging.Level, Level> JDK_TO_LOG4J =
33          new IdentityHashMap<java.util.logging.Level, Level>(9);
34      private final Map<Level, java.util.logging.Level> LOG4J_TO_JDK =
35          new IdentityHashMap<Level, java.util.logging.Level>(10);
36  
37      public DefaultLevelConverter() {
38          JDK_TO_LOG4J.put(java.util.logging.Level.OFF, Level.OFF);
39          JDK_TO_LOG4J.put(java.util.logging.Level.FINEST, LevelTranslator.FINEST);
40          JDK_TO_LOG4J.put(java.util.logging.Level.FINER, Level.TRACE);
41          JDK_TO_LOG4J.put(java.util.logging.Level.FINE, Level.DEBUG);
42          JDK_TO_LOG4J.put(java.util.logging.Level.CONFIG, LevelTranslator.CONFIG);
43          JDK_TO_LOG4J.put(java.util.logging.Level.INFO, Level.INFO);
44          JDK_TO_LOG4J.put(java.util.logging.Level.WARNING, Level.WARN);
45          JDK_TO_LOG4J.put(java.util.logging.Level.SEVERE, Level.ERROR);
46          JDK_TO_LOG4J.put(java.util.logging.Level.ALL, Level.ALL);
47          LOG4J_TO_JDK.put(Level.OFF, java.util.logging.Level.OFF);
48          LOG4J_TO_JDK.put(LevelTranslator.FINEST, java.util.logging.Level.FINEST);
49          LOG4J_TO_JDK.put(Level.TRACE, java.util.logging.Level.FINER);
50          LOG4J_TO_JDK.put(Level.DEBUG, java.util.logging.Level.FINE);
51          LOG4J_TO_JDK.put(LevelTranslator.CONFIG, java.util.logging.Level.CONFIG);
52          LOG4J_TO_JDK.put(Level.INFO, java.util.logging.Level.INFO);
53          LOG4J_TO_JDK.put(Level.WARN, java.util.logging.Level.WARNING);
54          LOG4J_TO_JDK.put(Level.ERROR, java.util.logging.Level.SEVERE);
55          LOG4J_TO_JDK.put(Level.FATAL, java.util.logging.Level.SEVERE);
56          LOG4J_TO_JDK.put(Level.ALL, java.util.logging.Level.ALL);
57      }
58  
59      @Override
60      public Level toLevel(final java.util.logging.Level javaLevel) {
61          return JDK_TO_LOG4J.get(javaLevel);
62      }
63  
64      @Override
65      public java.util.logging.Level toJavaLevel(final Level level) {
66          return LOG4J_TO_JDK.get(level);
67      }
68  }