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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.pattern;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.util.List;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.logging.log4j.util.PerformanceSensitive;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>/**<a name="line.24"></a> |
| <span class="sourceLineNo">025</span> * Equals pattern converter.<a name="line.25"></a> |
| <span class="sourceLineNo">026</span> */<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>@PerformanceSensitive("allocation")<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>public abstract class EqualsBaseReplacementConverter extends LogEventPatternConverter {<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> private final List<PatternFormatter> formatters;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> private final List<PatternFormatter> substitutionFormatters;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> private final String substitution;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> private final String testString;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span> /**<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Construct the converter.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> *<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * @param name converter name<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * @param style converter style<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * @param formatters The PatternFormatters to generate the text to manipulate.<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * @param testString The test string.<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * @param substitution The substitution string.<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * @param parser The PatternParser.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> protected EqualsBaseReplacementConverter(final String name, final String style,<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> final List<PatternFormatter> formatters, final String testString,<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> final String substitution, final PatternParser parser) {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> super(name, style);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> this.testString = testString;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> this.substitution = substitution;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> this.formatters = formatters;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> // check if substitution needs to be parsed<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> substitutionFormatters = substitution.contains("%") ? parser.parse(substitution) : null;<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> }<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> /**<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * {@inheritDoc}<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> @Override<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public void format(final LogEvent event, final StringBuilder toAppendTo) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> final int initialSize = toAppendTo.length();<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> for (int i = 0; i < formatters.size(); i++) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> final PatternFormatter formatter = formatters.get(i);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> formatter.format(event, toAppendTo);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> if (equals(testString, toAppendTo, initialSize, toAppendTo.length() - initialSize)) {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> toAppendTo.setLength(initialSize);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> parseSubstitution(event, toAppendTo);<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> }<a name="line.70"></a> |
| <span class="sourceLineNo">071</span><a name="line.71"></a> |
| <span class="sourceLineNo">072</span> /**<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * Returns true if the specified String equals the specified section of the specified StringBuilder.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> *<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * @param str the String to compare<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * @param buff the StringBuilder to compare a section of<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * @param from start index in the StringBuilder<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @param len length of the section in the StringBuilder<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @return true if equal, false otherwise<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> protected abstract boolean equals(String str, StringBuilder buff, int from, int len);<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * Adds the parsed substitution text to the specified buffer.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> *<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * @param event the current log event<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> * @param substitutionBuffer the StringBuilder to append the parsed substitution text to<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> */<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> void parseSubstitution(final LogEvent event, final StringBuilder substitutionBuffer) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if (substitutionFormatters != null) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> for (int i = 0; i < substitutionFormatters.size(); i++) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> final PatternFormatter formatter = substitutionFormatters.get(i);<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> formatter.format(event, substitutionBuffer);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> } else {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> substitutionBuffer.append(substitution);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> }<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> |
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