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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.appender;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import org.apache.log4j.Appender;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import org.apache.log4j.bridge.AppenderWrapper;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.log4j.bridge.RewritePolicyAdapter;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.log4j.bridge.RewritePolicyWrapper;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.log4j.builders.AbstractBuilder;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.log4j.builders.Holder;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.log4j.config.Log4j1Configuration;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.log4j.config.PropertiesConfiguration;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.log4j.helpers.OptionConverter;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.log4j.rewrite.RewritePolicy;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.log4j.spi.Filter;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.log4j.xml.XmlConfiguration;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.logging.log4j.Logger;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.appender.rewrite.RewriteAppender;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.config.AppenderRef;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<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.w3c.dom.Element;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span><a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import java.util.ArrayList;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import java.util.List;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import java.util.Properties;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import static org.apache.log4j.builders.BuilderManager.CATEGORY;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import static org.apache.log4j.config.Log4j1Configuration.APPENDER_REF_TAG;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import static org.apache.log4j.config.Log4j1Configuration.THRESHOLD_PARAM;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import static org.apache.log4j.xml.XmlConfiguration.FILTER_TAG;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import static org.apache.log4j.xml.XmlConfiguration.NAME_ATTR;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span>import static org.apache.log4j.xml.XmlConfiguration.PARAM_TAG;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span>import static org.apache.log4j.xml.XmlConfiguration.VALUE_ATTR;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>import static org.apache.log4j.xml.XmlConfiguration.forEachElement;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span>/**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * Build an Asynch Appender<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span>@Plugin(name = "org.apache.log4j.rewrite.RewriteAppender", category = CATEGORY)<a name="line.55"></a> |
| <span class="sourceLineNo">056</span>public class RewriteAppenderBuilder extends AbstractBuilder implements AppenderBuilder {<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> private static final String REWRITE_POLICY_TAG = "rewritePolicy";<a name="line.59"></a> |
| <span class="sourceLineNo">060</span><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> public RewriteAppenderBuilder() {<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> public RewriteAppenderBuilder(String prefix, Properties props) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> super(prefix, props);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> }<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 Appender parseAppender(final Element appenderElement, final XmlConfiguration config) {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> String name = appenderElement.getAttribute(NAME_ATTR);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> Holder<List<String>> appenderRefs = new Holder<>(new ArrayList<>());<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> Holder<RewritePolicy> rewritePolicyHolder = new Holder<>();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> Holder<String> level = new Holder<>();<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> Holder<Filter> filter = new Holder<>();<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> forEachElement(appenderElement.getChildNodes(), (currentElement) -> {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> switch (currentElement.getTagName()) {<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> case APPENDER_REF_TAG:<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> Appender appender = config.findAppenderByReference(currentElement);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> if (appender != null) {<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> appenderRefs.get().add(appender.getName());<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> }<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> break;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> case REWRITE_POLICY_TAG: {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> RewritePolicy policy = config.parseRewritePolicy(currentElement);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> if (policy != null) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> rewritePolicyHolder.set(policy);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> break;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> }<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> case FILTER_TAG: {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> filter.set(config.parseFilters(currentElement));<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> break;<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> case PARAM_TAG: {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> if (currentElement.getAttribute(NAME_ATTR).equalsIgnoreCase(THRESHOLD_PARAM)) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> String value = currentElement.getAttribute(VALUE_ATTR);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> if (value == null) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> LOGGER.warn("No value supplied for Threshold parameter, ignoring.");<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> } else {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> level.set(value);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> break;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> }<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> });<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> return createAppender(name, level.get(), appenderRefs.get().toArray(new String[0]), rewritePolicyHolder.get(),<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> filter.get(), config);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> @Override<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> public Appender parseAppender(final String name, final String appenderPrefix, final String layoutPrefix,<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> final String filterPrefix, final Properties props, final PropertiesConfiguration configuration) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> String appenderRef = getProperty(APPENDER_REF_TAG);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> Filter filter = configuration.parseAppenderFilters(props, filterPrefix, name);<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> String policyPrefix = appenderPrefix + ".rewritePolicy";<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> String className = getProperty(policyPrefix);<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> RewritePolicy policy = configuration.getBuilderManager().parseRewritePolicy(className, policyPrefix,<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> props, configuration);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> String level = getProperty(THRESHOLD_PARAM);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> if (appenderRef == null) {<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> LOGGER.warn("No appender references configured for AsyncAppender {}", name);<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> return null;<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> Appender appender = configuration.parseAppender(props, appenderRef);<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (appender == null) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> LOGGER.warn("Cannot locate Appender {}", appenderRef);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> return null;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> return createAppender(name, level, new String[] {appenderRef}, policy, filter, configuration);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span><a name="line.132"></a> |
| <span class="sourceLineNo">133</span> private <T extends Log4j1Configuration> Appender createAppender(String name, String level,<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> String[] appenderRefs, RewritePolicy policy, Filter filter, T configuration) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> org.apache.logging.log4j.Level logLevel = OptionConverter.convertLevel(level,<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> org.apache.logging.log4j.Level.TRACE);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> AppenderRef[] refs = new AppenderRef[appenderRefs.length];<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> int index = 0;<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> for (String appenderRef : appenderRefs) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> refs[index++] = AppenderRef.createAppenderRef(appenderRef, logLevel, null);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> org.apache.logging.log4j.core.Filter rewriteFilter = buildFilters(level, filter);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> org.apache.logging.log4j.core.appender.rewrite.RewritePolicy rewritePolicy;<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> if (policy instanceof RewritePolicyWrapper) {<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> rewritePolicy = ((RewritePolicyWrapper) policy).getPolicy();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> } else {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> rewritePolicy = new RewritePolicyAdapter(policy);<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> return new AppenderWrapper(RewriteAppender.createAppender(name, "true", refs, configuration,<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> rewritePolicy, rewriteFilter));<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> }<a name="line.151"></a> |
| <span class="sourceLineNo">152</span>}<a name="line.152"></a> |
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| </pre> |
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