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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> *<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> *<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * limitations under the license.<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> */<a name="line.16"></a> |
| <span class="sourceLineNo">017</span><a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.logging.log4j.jul;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.Serializable;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Collections;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Comparator;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.IdentityHashMap;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentMap;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.logging.log4j.Level;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>/**<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Default implementation of LevelConverter strategy.<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * <p><a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Since 2.4, supports custom JUL levels by mapping them to their closest mapped neighbour.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * </p><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> *<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * @since 2.1<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> */<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>public class DefaultLevelConverter implements LevelConverter {<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> static final class JulLevelComparator implements Comparator<java.util.logging.Level>, Serializable {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private static final long serialVersionUID = 1L;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> @Override<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> public int compare(final java.util.logging.Level level1, final java.util.logging.Level level2) {<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> return Integer.compare(level1.intValue(), level2.intValue());<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> }<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> }<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private final ConcurrentMap<java.util.logging.Level, Level> julToLog4j = new ConcurrentHashMap<>(9);<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final Map<Level, java.util.logging.Level> log4jToJul = new IdentityHashMap<>(10);<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> private final List<java.util.logging.Level> sortedJulLevels = new ArrayList<>(9);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span><a name="line.53"></a> |
| <span class="sourceLineNo">054</span> public DefaultLevelConverter() {<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> // Map JUL to Log4j<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> mapJulToLog4j(java.util.logging.Level.ALL, Level.ALL);<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> mapJulToLog4j(java.util.logging.Level.FINEST, LevelTranslator.FINEST);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> mapJulToLog4j(java.util.logging.Level.FINER, Level.TRACE);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> mapJulToLog4j(java.util.logging.Level.FINE, Level.DEBUG);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> mapJulToLog4j(java.util.logging.Level.CONFIG, LevelTranslator.CONFIG);<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> mapJulToLog4j(java.util.logging.Level.INFO, Level.INFO);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> mapJulToLog4j(java.util.logging.Level.WARNING, Level.WARN);<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> mapJulToLog4j(java.util.logging.Level.SEVERE, Level.ERROR);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> mapJulToLog4j(java.util.logging.Level.OFF, Level.OFF);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> // Map Log4j to JUL<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> mapLog4jToJul(Level.ALL, java.util.logging.Level.ALL);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> mapLog4jToJul(LevelTranslator.FINEST, java.util.logging.Level.FINEST);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> mapLog4jToJul(Level.TRACE, java.util.logging.Level.FINER);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> mapLog4jToJul(Level.DEBUG, java.util.logging.Level.FINE);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> mapLog4jToJul(LevelTranslator.CONFIG, java.util.logging.Level.CONFIG);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> mapLog4jToJul(Level.INFO, java.util.logging.Level.INFO);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> mapLog4jToJul(Level.WARN, java.util.logging.Level.WARNING);<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> mapLog4jToJul(Level.ERROR, java.util.logging.Level.SEVERE);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> mapLog4jToJul(Level.FATAL, java.util.logging.Level.SEVERE);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> mapLog4jToJul(Level.OFF, java.util.logging.Level.OFF);<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> // Sorted Java levels<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> sortedJulLevels.addAll(julToLog4j.keySet());<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> Collections.sort(sortedJulLevels, new JulLevelComparator());<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private long distance(final java.util.logging.Level javaLevel, final java.util.logging.Level customJavaLevel) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return Math.abs((long) customJavaLevel.intValue() - (long) javaLevel.intValue());<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> /*<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * TODO consider making public for advanced configuration.<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> */<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> private void mapJulToLog4j(final java.util.logging.Level julLevel, final Level level) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> julToLog4j.put(julLevel, level);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> }<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> /*<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * TODO consider making public for advanced configuration.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private void mapLog4jToJul(final Level level, final java.util.logging.Level julLevel) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> log4jToJul.put(level, julLevel);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> }<a name="line.98"></a> |
| <span class="sourceLineNo">099</span><a name="line.99"></a> |
| <span class="sourceLineNo">100</span> private Level nearestLevel(final java.util.logging.Level customJavaLevel) {<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> long prevDist = Long.MAX_VALUE;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> java.util.logging.Level prevLevel = null;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> for (final java.util.logging.Level mappedJavaLevel : sortedJulLevels) {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> final long distance = distance(customJavaLevel, mappedJavaLevel);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> if (distance > prevDist) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> return julToLog4j.get(prevLevel);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> prevDist = distance;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> prevLevel = mappedJavaLevel;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> }<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> return julToLog4j.get(prevLevel);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span><a name="line.113"></a> |
| <span class="sourceLineNo">114</span> @Override<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> public java.util.logging.Level toJavaLevel(final Level level) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return log4jToJul.get(level);<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> }<a name="line.117"></a> |
| <span class="sourceLineNo">118</span><a name="line.118"></a> |
| <span class="sourceLineNo">119</span> @Override<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> public Level toLevel(final java.util.logging.Level javaLevel) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> if (javaLevel == null) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> return null;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> final Level level = julToLog4j.get(javaLevel);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> if (level != null) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> return level;<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> final Level nearestLevel = nearestLevel(javaLevel);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> julToLog4j.put(javaLevel, nearestLevel);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return nearestLevel;<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span>}<a name="line.132"></a> |
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| </pre> |
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