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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.Arrays;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.HashMap;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.List;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Map;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.logging.log4j.Logger;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.logging.log4j.core.Core;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.config.Configuration;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.config.Property;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.config.plugins.PluginConfiguration;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.logging.log4j.core.config.plugins.PluginElement;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.config.plugins.PluginFactory;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.impl.ContextDataFactory;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.impl.Log4jLogEvent;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.logging.log4j.status.StatusLogger;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.logging.log4j.util.StringMap;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>/**<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * This policy modifies events by replacing or possibly adding keys and values to the MapMessage.<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> */<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>@Plugin(name = "PropertiesRewritePolicy", category = Core.CATEGORY_NAME, elementType = "rewritePolicy", printObject = true)<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>public final class PropertiesRewritePolicy implements RewritePolicy {<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> /**<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * Allows subclasses access to the status logger without creating another instance.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> */<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> protected static final Logger LOGGER = StatusLogger.getLogger();<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private final Map<Property, Boolean> properties;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private final Configuration config;<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> private PropertiesRewritePolicy(final Configuration config, final List<Property> props) {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> this.config = config;<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> this.properties = new HashMap<>(props.size());<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> for (final Property property : props) {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> final Boolean interpolate = Boolean.valueOf(property.getValue().contains("${"));<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> properties.put(property, interpolate);<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> }<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> * Rewrites the event.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * @param source a logging event that may be returned or<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * used to create a new logging event.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * @return The LogEvent after rewriting.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> */<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> @Override<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public LogEvent rewrite(final LogEvent source) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> final StringMap newContextData = ContextDataFactory.createContextData(source.getContextData());<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> for (final Map.Entry<Property, Boolean> entry : properties.entrySet()) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> final Property prop = entry.getKey();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> newContextData.putValue(prop.getName(), entry.getValue().booleanValue() ?<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> config.getStrSubstitutor().replace(prop.getValue()) : prop.getValue());<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> return new Log4jLogEvent.Builder(source).setContextData(newContextData).build();<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> }<a name="line.78"></a> |
| <span class="sourceLineNo">079</span><a name="line.79"></a> |
| <span class="sourceLineNo">080</span> @Override<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public String toString() {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> final StringBuilder sb = new StringBuilder();<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> sb.append(" {");<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> boolean first = true;<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> for (final Map.Entry<Property, Boolean> entry : properties.entrySet()) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> if (!first) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> sb.append(", ");<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> final Property prop = entry.getKey();<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> sb.append(prop.getName()).append('=').append(prop.getValue());<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> first = false;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> sb.append('}');<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> return sb.toString();<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> /**<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> * Creates a PropertiesRewritePolicy.<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * @param config The Configuration.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * @param props key/value pairs for the new keys and values.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> * @return The PropertiesRewritePolicy.<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> */<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> @PluginFactory<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> public static PropertiesRewritePolicy createPolicy(@PluginConfiguration final Configuration config,<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> @PluginElement("Properties") final Property[] props) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> if (props == null || props.length == 0) {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> LOGGER.error("Properties must be specified for the PropertiesRewritePolicy");<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> return null;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> final List<Property> properties = Arrays.asList(props);<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> return new PropertiesRewritePolicy(config, properties);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span>}<a name="line.113"></a> |
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| </pre> |
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