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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.selector;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.lang.ref.Reference;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.lang.ref.WeakReference;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.net.URI;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.ArrayList;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.Collection;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.util.Collections;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.util.List;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.Map;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentMap;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import java.util.concurrent.TimeUnit;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.concurrent.atomic.AtomicReference;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.LoggerContext;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.impl.ContextAnchor;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.logging.log4j.spi.LoggerContextShutdownAware;<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.StackLocatorUtil;<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 ContextSelector chooses a LoggerContext based upon the ClassLoader of the caller. This allows Loggers assigned<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> * to static variables to be released along with the classes that own then. Other ContextSelectors will generally cause<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> * Loggers associated with classes loaded from different ClassLoaders to be co-mingled. This is a problem if, for<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * example, a web application is undeployed as some of the Loggers being released may be associated with a Class in a<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * parent ClassLoader, which will generally have negative consequences.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> *<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * The main downside to this ContextSelector is that Configuration is more challenging.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> *<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * This ContextSelector should not be used with a Servlet Filter such as the Log4jServletFilter.<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> */<a name="line.48"></a> |
| <span class="sourceLineNo">049</span>public class ClassLoaderContextSelector implements ContextSelector, LoggerContextShutdownAware {<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private static final AtomicReference<LoggerContext> DEFAULT_CONTEXT = new AtomicReference<>();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> protected static final StatusLogger LOGGER = StatusLogger.getLogger();<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> protected static final ConcurrentMap<String, AtomicReference<WeakReference<LoggerContext>>> CONTEXT_MAP =<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> new ConcurrentHashMap<>();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> @Override<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public void shutdown(final String fqcn, final ClassLoader loader, final boolean currentContext,<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> final boolean allContexts) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> LoggerContext ctx = null;<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> if (currentContext) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> ctx = ContextAnchor.THREAD_CONTEXT.get();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> } else if (loader != null) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> ctx = findContext(loader);<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> } else {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> final Class<?> clazz = StackLocatorUtil.getCallerClass(fqcn);<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> if (clazz != null) {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> ctx = findContext(clazz.getClassLoader());<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> }<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> if (ctx == null) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> ctx = ContextAnchor.THREAD_CONTEXT.get();<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> }<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> }<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> if (ctx != null) {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> ctx.stop(DEFAULT_STOP_TIMEOUT, TimeUnit.MILLISECONDS);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> }<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 void contextShutdown(org.apache.logging.log4j.spi.LoggerContext loggerContext) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> if (loggerContext instanceof LoggerContext) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> removeContext((LoggerContext) loggerContext);<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> @Override<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> public boolean hasContext(final String fqcn, final ClassLoader loader, final boolean currentContext) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> LoggerContext ctx;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> if (currentContext) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> ctx = ContextAnchor.THREAD_CONTEXT.get();<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> } else if (loader != null) {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> ctx = findContext(loader);<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> } else {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> final Class<?> clazz = StackLocatorUtil.getCallerClass(fqcn);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> if (clazz != null) {<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> ctx = findContext(clazz.getClassLoader());<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> } else {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> ctx = ContextAnchor.THREAD_CONTEXT.get();<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> }<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> return ctx != null && ctx.isStarted();<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> }<a name="line.103"></a> |
| <span class="sourceLineNo">104</span><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> private LoggerContext findContext(ClassLoader loaderOrNull) {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> final ClassLoader loader = loaderOrNull != null ? loaderOrNull : ClassLoader.getSystemClassLoader();<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> final String name = toContextMapKey(loader);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> AtomicReference<WeakReference<LoggerContext>> ref = CONTEXT_MAP.get(name);<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> if (ref != null) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> final WeakReference<LoggerContext> weakRef = ref.get();<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> return weakRef.get();<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> }<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> return null;<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> }<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> @Override<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> public LoggerContext getContext(final String fqcn, final ClassLoader loader, final boolean currentContext) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> return getContext(fqcn, loader, currentContext, null);<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span><a name="line.120"></a> |
| <span class="sourceLineNo">121</span> @Override<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> public LoggerContext getContext(final String fqcn, final ClassLoader loader, final boolean currentContext,<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> final URI configLocation) {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> if (currentContext) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> final LoggerContext ctx = ContextAnchor.THREAD_CONTEXT.get();<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> if (ctx != null) {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> return ctx;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> }<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> return getDefault();<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> } else if (loader != null) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> return locateContext(loader, configLocation);<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> } else {<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> final Class<?> clazz = StackLocatorUtil.getCallerClass(fqcn);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> if (clazz != null) {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> return locateContext(clazz.getClassLoader(), configLocation);<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> final LoggerContext lc = ContextAnchor.THREAD_CONTEXT.get();<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> if (lc != null) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> return lc;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> }<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> return getDefault();<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> }<a name="line.143"></a> |
| <span class="sourceLineNo">144</span><a name="line.144"></a> |
| <span class="sourceLineNo">145</span> @Override<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> public void removeContext(final LoggerContext context) {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> for (final Map.Entry<String, AtomicReference<WeakReference<LoggerContext>>> entry : CONTEXT_MAP.entrySet()) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> final LoggerContext ctx = entry.getValue().get().get();<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> if (ctx == context) {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> CONTEXT_MAP.remove(entry.getKey());<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> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> @Override<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> public List<LoggerContext> getLoggerContexts() {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> final List<LoggerContext> list = new ArrayList<>();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> final Collection<AtomicReference<WeakReference<LoggerContext>>> coll = CONTEXT_MAP.values();<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> for (final AtomicReference<WeakReference<LoggerContext>> ref : coll) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> final LoggerContext ctx = ref.get().get();<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> if (ctx != null) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> list.add(ctx);<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> }<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> return Collections.unmodifiableList(list);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span><a name="line.167"></a> |
| <span class="sourceLineNo">168</span> private LoggerContext locateContext(final ClassLoader loaderOrNull, final URI configLocation) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // LOG4J2-477: class loader may be null<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> final ClassLoader loader = loaderOrNull != null ? loaderOrNull : ClassLoader.getSystemClassLoader();<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> final String name = toContextMapKey(loader);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> AtomicReference<WeakReference<LoggerContext>> ref = CONTEXT_MAP.get(name);<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> if (ref == null) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> if (configLocation == null) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> ClassLoader parent = loader.getParent();<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> while (parent != null) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> ref = CONTEXT_MAP.get(toContextMapKey(parent));<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> if (ref != null) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> final WeakReference<LoggerContext> r = ref.get();<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> final LoggerContext ctx = r.get();<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> if (ctx != null) {<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> return ctx;<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> }<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> }<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> parent = parent.getParent();<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> /* In Tomcat 6 the parent of the JSP classloader is the webapp classloader which would be<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> configured by the WebAppContextListener. The WebAppClassLoader is also the ThreadContextClassLoader.<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> In JBoss 5 the parent of the JSP ClassLoader is the WebAppClassLoader which is also the<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> ThreadContextClassLoader. However, the parent of the WebAppClassLoader is the ClassLoader<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> that is configured by the WebAppContextListener.<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> ClassLoader threadLoader = null;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> try {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> threadLoader = Thread.currentThread().getContextClassLoader();<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> } catch (Exception ex) {<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // Ignore SecurityException<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> if (threadLoader != null && threadLoader == parent) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> break;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> } else {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> parent = parent.getParent();<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> } */<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> LoggerContext ctx = createContext(name, configLocation);<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> LoggerContext newContext = CONTEXT_MAP.computeIfAbsent(name,<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> k -> new AtomicReference<>(new WeakReference<>(ctx))).get().get();<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> if (newContext == ctx) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> ctx.addShutdownListener(this);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> }<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> return newContext;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> final WeakReference<LoggerContext> weakRef = ref.get();<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> LoggerContext ctx = weakRef.get();<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> if (ctx != null) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> if (ctx.getConfigLocation() == null && configLocation != null) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> LOGGER.debug("Setting configuration to {}", configLocation);<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> ctx.setConfigLocation(configLocation);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> } else if (ctx.getConfigLocation() != null && configLocation != null<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> && !ctx.getConfigLocation().equals(configLocation)) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> LOGGER.warn("locateContext called with URI {}. Existing LoggerContext has URI {}", configLocation,<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> ctx.getConfigLocation());<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> return ctx;<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> ctx = createContext(name, configLocation);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> ref.compareAndSet(weakRef, new WeakReference<>(ctx));<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return ctx;<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span><a name="line.231"></a> |
| <span class="sourceLineNo">232</span> protected LoggerContext createContext(final String name, final URI configLocation) {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> return new LoggerContext(name, null, configLocation);<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> protected String toContextMapKey(final ClassLoader loader) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> return Integer.toHexString(System.identityHashCode(loader));<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span><a name="line.239"></a> |
| <span class="sourceLineNo">240</span> protected LoggerContext getDefault() {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> final LoggerContext ctx = DEFAULT_CONTEXT.get();<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (ctx != null) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> return ctx;<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> DEFAULT_CONTEXT.compareAndSet(null, createContext(defaultContextName(), null));<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> return DEFAULT_CONTEXT.get();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> protected String defaultContextName() {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> return "Default";<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span>}<a name="line.252"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
