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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a> |
| <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <FONT color="green">008</FONT> *<a name="line.8"></a> |
| <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <FONT color="green">010</FONT> *<a name="line.10"></a> |
| <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <FONT color="green">014</FONT> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <FONT color="green">015</FONT> * limitations under the license.<a name="line.15"></a> |
| <FONT color="green">016</FONT> */<a name="line.16"></a> |
| <FONT color="green">017</FONT> package org.apache.logging.log4j.core.pattern;<a name="line.17"></a> |
| <FONT color="green">018</FONT> <a name="line.18"></a> |
| <FONT color="green">019</FONT> import org.apache.logging.log4j.Logger;<a name="line.19"></a> |
| <FONT color="green">020</FONT> import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.20"></a> |
| <FONT color="green">021</FONT> import org.apache.logging.log4j.core.config.plugins.PluginAttr;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import org.apache.logging.log4j.core.config.plugins.PluginFactory;<a name="line.22"></a> |
| <FONT color="green">023</FONT> import org.apache.logging.log4j.status.StatusLogger;<a name="line.23"></a> |
| <FONT color="green">024</FONT> <a name="line.24"></a> |
| <FONT color="green">025</FONT> import java.util.regex.Pattern;<a name="line.25"></a> |
| <FONT color="green">026</FONT> <a name="line.26"></a> |
| <FONT color="green">027</FONT> /**<a name="line.27"></a> |
| <FONT color="green">028</FONT> * Replace tokens in the LogEvent message.<a name="line.28"></a> |
| <FONT color="green">029</FONT> */<a name="line.29"></a> |
| <FONT color="green">030</FONT> @Plugin(name = "replace", type = "Core", printObject = true)<a name="line.30"></a> |
| <FONT color="green">031</FONT> public final class RegexReplacement {<a name="line.31"></a> |
| <FONT color="green">032</FONT> <a name="line.32"></a> |
| <FONT color="green">033</FONT> private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.33"></a> |
| <FONT color="green">034</FONT> <a name="line.34"></a> |
| <FONT color="green">035</FONT> private final Pattern pattern;<a name="line.35"></a> |
| <FONT color="green">036</FONT> <a name="line.36"></a> |
| <FONT color="green">037</FONT> private final String substitution;<a name="line.37"></a> |
| <FONT color="green">038</FONT> <a name="line.38"></a> |
| <FONT color="green">039</FONT> /**<a name="line.39"></a> |
| <FONT color="green">040</FONT> * Private constructor.<a name="line.40"></a> |
| <FONT color="green">041</FONT> *<a name="line.41"></a> |
| <FONT color="green">042</FONT> * @param pattern The Pattern.<a name="line.42"></a> |
| <FONT color="green">043</FONT> * @param substitution The substitution String.<a name="line.43"></a> |
| <FONT color="green">044</FONT> */<a name="line.44"></a> |
| <FONT color="green">045</FONT> private RegexReplacement(Pattern pattern, String substitution) {<a name="line.45"></a> |
| <FONT color="green">046</FONT> this.pattern = pattern;<a name="line.46"></a> |
| <FONT color="green">047</FONT> this.substitution = substitution;<a name="line.47"></a> |
| <FONT color="green">048</FONT> }<a name="line.48"></a> |
| <FONT color="green">049</FONT> <a name="line.49"></a> |
| <FONT color="green">050</FONT> /**<a name="line.50"></a> |
| <FONT color="green">051</FONT> * Perform the replacement.<a name="line.51"></a> |
| <FONT color="green">052</FONT> * @param msg The String to match against.<a name="line.52"></a> |
| <FONT color="green">053</FONT> * @return the replacement String.<a name="line.53"></a> |
| <FONT color="green">054</FONT> */<a name="line.54"></a> |
| <FONT color="green">055</FONT> public String format(String msg) {<a name="line.55"></a> |
| <FONT color="green">056</FONT> return pattern.matcher(msg).replaceAll(substitution);<a name="line.56"></a> |
| <FONT color="green">057</FONT> }<a name="line.57"></a> |
| <FONT color="green">058</FONT> <a name="line.58"></a> |
| <FONT color="green">059</FONT> public String toString() {<a name="line.59"></a> |
| <FONT color="green">060</FONT> return "replace(regex=" + pattern.pattern() + ", replacement=" + substitution + ")";<a name="line.60"></a> |
| <FONT color="green">061</FONT> }<a name="line.61"></a> |
| <FONT color="green">062</FONT> <a name="line.62"></a> |
| <FONT color="green">063</FONT> /**<a name="line.63"></a> |
| <FONT color="green">064</FONT> * Create a RegexReplacement.<a name="line.64"></a> |
| <FONT color="green">065</FONT> * @param regex The regular expression to locate.<a name="line.65"></a> |
| <FONT color="green">066</FONT> * @param replacement The replacement value.<a name="line.66"></a> |
| <FONT color="green">067</FONT> * @return A RegexReplacement.<a name="line.67"></a> |
| <FONT color="green">068</FONT> */<a name="line.68"></a> |
| <FONT color="green">069</FONT> @PluginFactory<a name="line.69"></a> |
| <FONT color="green">070</FONT> public static RegexReplacement createRegexReplacement(@PluginAttr("regex") String regex,<a name="line.70"></a> |
| <FONT color="green">071</FONT> @PluginAttr("replacement") String replacement) {<a name="line.71"></a> |
| <FONT color="green">072</FONT> if (regex == null) {<a name="line.72"></a> |
| <FONT color="green">073</FONT> LOGGER.error("A regular expression is required for replacement");<a name="line.73"></a> |
| <FONT color="green">074</FONT> return null;<a name="line.74"></a> |
| <FONT color="green">075</FONT> }<a name="line.75"></a> |
| <FONT color="green">076</FONT> if (replacement == null) {<a name="line.76"></a> |
| <FONT color="green">077</FONT> LOGGER.error("A replacement string is required to perform replacement");<a name="line.77"></a> |
| <FONT color="green">078</FONT> }<a name="line.78"></a> |
| <FONT color="green">079</FONT> Pattern p = Pattern.compile(regex);<a name="line.79"></a> |
| <FONT color="green">080</FONT> return new RegexReplacement(p, replacement);<a name="line.80"></a> |
| <FONT color="green">081</FONT> }<a name="line.81"></a> |
| <FONT color="green">082</FONT> <a name="line.82"></a> |
| <FONT color="green">083</FONT> }<a name="line.83"></a> |
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