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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>package org.apache.logging.log4j.core.appender.rewrite;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.util.HashMap;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.Locale;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.Map;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.logging.log4j.Level;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.logging.log4j.core.Core;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.config.plugins.PluginAttribute;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.config.plugins.PluginElement;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.config.plugins.PluginFactory;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.impl.Log4jLogEvent;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.logging.log4j.core.util.KeyValuePair;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>/**<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * Rewrites log event levels for a given logger name.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> *<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * @since 2.4<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>@Plugin(name = "LoggerNameLevelRewritePolicy", category = Core.CATEGORY_NAME, elementType = "rewritePolicy", printObject = true)<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public class LoggerNameLevelRewritePolicy implements RewritePolicy {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Creates a policy to rewrite levels for a given logger name.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> *<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * @param loggerNamePrefix<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * The logger name prefix for events to rewrite; all event logger names that start with this string will be<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * rewritten.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * @param levelPairs<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * The levels to rewrite, the key is the source level, the value the target level.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * @return a new LoggerNameLevelRewritePolicy<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> @PluginFactory<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public static LoggerNameLevelRewritePolicy createPolicy(<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // @formatter:off<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> @PluginAttribute("logger") final String loggerNamePrefix,<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> @PluginElement("KeyValuePair") final KeyValuePair[] levelPairs) {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> // @formatter:on<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> final Map<Level, Level> newMap = new HashMap<>(levelPairs.length);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> for (final KeyValuePair keyValuePair : levelPairs) {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> newMap.put(getLevel(keyValuePair.getKey()), getLevel(keyValuePair.getValue()));<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> }<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> return new LoggerNameLevelRewritePolicy(loggerNamePrefix, newMap);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> }<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> private static Level getLevel(final String name) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> return Level.getLevel(name.toUpperCase(Locale.ROOT));<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> }<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> private final String loggerName;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private final Map<Level, Level> map;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> private LoggerNameLevelRewritePolicy(final String loggerName, final Map<Level, Level> map) {<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> super();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> this.loggerName = loggerName;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> this.map = map;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> @Override<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> public LogEvent rewrite(final LogEvent event) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> if (event.getLoggerName() == null || !event.getLoggerName().startsWith(loggerName)) {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> return event;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> }<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> final Level sourceLevel = event.getLevel();<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> final Level newLevel = map.get(sourceLevel);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> if (newLevel == null || newLevel == sourceLevel) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return event;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> final LogEvent result = new Log4jLogEvent.Builder(event).setLevel(newLevel).build();<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> return result;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<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> |
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