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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.core.config.plugins.visitors;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.logging.log4j.core.config.Configuration;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.logging.log4j.core.config.Node;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.logging.log4j.core.config.plugins.PluginValue;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.logging.log4j.util.StringBuilders;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.logging.log4j.util.Strings;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span><a name="line.26"></a> |
| <span class="sourceLineNo">027</span>/**<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> * PluginVisitor implementation for {@link PluginValue}.<a name="line.28"></a> |
| <span class="sourceLineNo">029</span> */<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>public class PluginValueVisitor extends AbstractPluginVisitor<PluginValue> {<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> public PluginValueVisitor() {<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> super(PluginValue.class);<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> @Override<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> public Object visit(final Configuration configuration, final Node node, final LogEvent event,<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> final StringBuilder log) {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> final String name = this.annotation.value();<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> final String elementValue = node.getValue();<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> final String attributeValue = node.getAttributes().get(name);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> String rawValue = null; // if neither is specified, return null (LOG4J2-1313)<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> if (Strings.isNotEmpty(elementValue)) {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> if (Strings.isNotEmpty(attributeValue)) {<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> LOGGER.error("Configuration contains {} with both attribute value ({}) AND element" +<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> " value ({}). Please specify only one value. Using the element value.",<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> node.getName(), attributeValue, elementValue);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> }<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> rawValue = elementValue;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> } else {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> rawValue = removeAttributeValue(node.getAttributes(), name);<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> }<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> final String value = this.substitutor.replace(event, rawValue);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> StringBuilders.appendKeyDqValue(log, name, value);<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> return value;<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> |
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