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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.log4j.builders.filter;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import org.apache.log4j.bridge.FilterWrapper;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import org.apache.log4j.builders.AbstractBuilder;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.log4j.builders.BooleanHolder;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.log4j.builders.Holder;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.log4j.config.PropertiesConfiguration;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.log4j.spi.Filter;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.log4j.xml.XmlConfiguration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.logging.log4j.Logger;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.filter.StringMatchFilter;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.logging.log4j.status.StatusLogger;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.w3c.dom.Element;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import java.util.Properties;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import static org.apache.log4j.builders.BuilderManager.CATEGORY;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import static org.apache.log4j.xml.XmlConfiguration.*;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span>/**<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * Build a String match filter.<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> */<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>@Plugin(name = "org.apache.log4j.varia.StringMatchFilter", category = CATEGORY)<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>public class StringMatchFilterBuilder extends AbstractBuilder implements FilterBuilder {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private static final String STRING_TO_MATCH = "StringToMatch";<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private static final String ACCEPT_ON_MATCH = "AcceptOnMatch";<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> @Override<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> public Filter parseFilter(Element filterElement, XmlConfiguration config) {<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> final Holder<Boolean> acceptOnMatch = new BooleanHolder();<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> final Holder<String> text = new Holder<>();<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> forEachElement(filterElement.getElementsByTagName("param"), (currentElement) -> {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> if (currentElement.getTagName().equals("param")) {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> switch (currentElement.getAttribute(NAME_ATTR)) {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> case STRING_TO_MATCH:<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> text.set(currentElement.getAttribute(VALUE_ATTR));<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> break;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> case ACCEPT_ON_MATCH:<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> acceptOnMatch.set(Boolean.parseBoolean(currentElement.getAttribute(VALUE_ATTR)));<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> break;<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> }<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> return createFilter(text.get(), acceptOnMatch.get());<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> @Override<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public Filter parseFilter(PropertiesConfiguration config) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> String text = getProperty(STRING_TO_MATCH);<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> boolean acceptOnMatch = getBooleanProperty(ACCEPT_ON_MATCH);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return createFilter(text, acceptOnMatch);<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private Filter createFilter(String text, boolean acceptOnMatch) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> if (text == null) {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> LOGGER.warn("No text provided for StringMatchFilter");<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> return null;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> org.apache.logging.log4j.core.Filter.Result onMatch = acceptOnMatch<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> ? org.apache.logging.log4j.core.Filter.Result.ACCEPT<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> : org.apache.logging.log4j.core.Filter.Result.DENY;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> return new FilterWrapper(StringMatchFilter.newBuilder()<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> .setMatchString(text)<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> .setOnMatch(onMatch)<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> .setOnMismatch(org.apache.logging.log4j.core.Filter.Result.NEUTRAL)<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> .build());<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span>}<a name="line.88"></a> |
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| </pre> |
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