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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>// WARNING This class MUST not have references to the Category or<a name="line.18"></a>
<span class="sourceLineNo">019</span>// WARNING RootCategory classes in its static initialization neither<a name="line.19"></a>
<span class="sourceLineNo">020</span>// WARNING directly nor indirectly.<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>package org.apache.log4j;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.Enumeration;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Hashtable;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.util.Vector;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.WeakHashMap;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.concurrent.ConcurrentMap;<a name="line.29"></a>
<span class="sourceLineNo">030</span><a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.log4j.helpers.LogLog;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.log4j.legacy.core.ContextUtil;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.log4j.or.ObjectRenderer;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.log4j.or.RendererMap;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.log4j.spi.HierarchyEventListener;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.log4j.spi.LoggerFactory;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.log4j.spi.LoggerRepository;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.log4j.spi.RendererSupport;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.log4j.spi.ThrowableRenderer;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.apache.log4j.spi.ThrowableRendererSupport;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.apache.logging.log4j.core.appender.AsyncAppender;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.apache.logging.log4j.spi.AbstractLoggerAdapter;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.apache.logging.log4j.spi.LoggerContext;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.apache.logging.log4j.util.StackLocatorUtil;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
<span class="sourceLineNo">047</span> * This class is specialized in retrieving loggers by name and also maintaining the logger hierarchy.<a name="line.47"></a>
<span class="sourceLineNo">048</span> *<a name="line.48"></a>
<span class="sourceLineNo">049</span> * &lt;p&gt;<a name="line.49"></a>
<span class="sourceLineNo">050</span> * &lt;em&gt;The casual user does not have to deal with this class directly.&lt;/em&gt;<a name="line.50"></a>
<span class="sourceLineNo">051</span> * &lt;/p&gt;<a name="line.51"></a>
<span class="sourceLineNo">052</span> * &lt;p&gt;<a name="line.52"></a>
<span class="sourceLineNo">053</span> * The structure of the logger hierarchy is maintained by the {@link #getLogger} method. The hierarchy is such that<a name="line.53"></a>
<span class="sourceLineNo">054</span> * children link to their parent but parents do not have any pointers to their children. Moreover, loggers can be<a name="line.54"></a>
<span class="sourceLineNo">055</span> * instantiated in any order, in particular descendant before ancestor.<a name="line.55"></a>
<span class="sourceLineNo">056</span> * &lt;/p&gt;<a name="line.56"></a>
<span class="sourceLineNo">057</span> * &lt;p&gt;<a name="line.57"></a>
<span class="sourceLineNo">058</span> * In case a descendant is created before a particular ancestor, then it creates a provision node for the ancestor and<a name="line.58"></a>
<span class="sourceLineNo">059</span> * adds itself to the provision node. Other descendants of the same ancestor add themselves to the previously created<a name="line.59"></a>
<span class="sourceLineNo">060</span> * provision node.<a name="line.60"></a>
<span class="sourceLineNo">061</span> * &lt;/p&gt;<a name="line.61"></a>
<span class="sourceLineNo">062</span> */<a name="line.62"></a>
<span class="sourceLineNo">063</span>public class Hierarchy implements LoggerRepository, RendererSupport, ThrowableRendererSupport {<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span> private static class PrivateLoggerAdapter extends AbstractLoggerAdapter&lt;Logger&gt; {<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> protected org.apache.logging.log4j.spi.LoggerContext getContext() {<a name="line.68"></a>
<span class="sourceLineNo">069</span> return PrivateLogManager.getContext();<a name="line.69"></a>
<span class="sourceLineNo">070</span> }<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span> @Override<a name="line.72"></a>
<span class="sourceLineNo">073</span> protected Logger newLogger(final String name, final org.apache.logging.log4j.spi.LoggerContext context) {<a name="line.73"></a>
<span class="sourceLineNo">074</span> return new Logger(context, name);<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><a name="line.77"></a>
<span class="sourceLineNo">078</span> /**<a name="line.78"></a>
<span class="sourceLineNo">079</span> * Private LogManager.<a name="line.79"></a>
<span class="sourceLineNo">080</span> */<a name="line.80"></a>
<span class="sourceLineNo">081</span> private static class PrivateLogManager extends org.apache.logging.log4j.LogManager {<a name="line.81"></a>
<span class="sourceLineNo">082</span> private static final String FQCN = Hierarchy.class.getName();<a name="line.82"></a>
<span class="sourceLineNo">083</span><a name="line.83"></a>
<span class="sourceLineNo">084</span> public static LoggerContext getContext() {<a name="line.84"></a>
<span class="sourceLineNo">085</span> return getContext(FQCN, false);<a name="line.85"></a>
<span class="sourceLineNo">086</span> }<a name="line.86"></a>
<span class="sourceLineNo">087</span><a name="line.87"></a>
<span class="sourceLineNo">088</span> public static org.apache.logging.log4j.Logger getLogger(final String name) {<a name="line.88"></a>
<span class="sourceLineNo">089</span> return getLogger(FQCN, name);<a name="line.89"></a>
<span class="sourceLineNo">090</span> }<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span><a name="line.92"></a>
<span class="sourceLineNo">093</span> private static final PrivateLoggerAdapter LOGGER_ADAPTER = new PrivateLoggerAdapter();<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span> private static final WeakHashMap&lt;LoggerContext, ConcurrentMap&lt;String, Logger&gt;&gt; CONTEXT_MAP = new WeakHashMap&lt;&gt;();<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> static LoggerContext getContext() {<a name="line.97"></a>
<span class="sourceLineNo">098</span> return PrivateLogManager.getContext();<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span> static Logger getInstance(final LoggerContext context, final String name) {<a name="line.101"></a>
<span class="sourceLineNo">102</span> return getInstance(context, name, LOGGER_ADAPTER);<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> static Logger getInstance(final LoggerContext context, final String name, final LoggerFactory factory) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> return getLoggersMap(context).computeIfAbsent(name, k -&gt; factory.makeNewLoggerInstance(name));<a name="line.106"></a>
<span class="sourceLineNo">107</span> }<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> static Logger getInstance(final LoggerContext context, final String name, final PrivateLoggerAdapter factory) {<a name="line.109"></a>
<span class="sourceLineNo">110</span> return getLoggersMap(context).computeIfAbsent(name, k -&gt; factory.newLogger(name, context));<a name="line.110"></a>
<span class="sourceLineNo">111</span> }<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span> static ConcurrentMap&lt;String, Logger&gt; getLoggersMap(final LoggerContext context) {<a name="line.113"></a>
<span class="sourceLineNo">114</span> synchronized (CONTEXT_MAP) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> return CONTEXT_MAP.computeIfAbsent(context, k -&gt; new ConcurrentHashMap&lt;&gt;());<a name="line.115"></a>
<span class="sourceLineNo">116</span> }<a name="line.116"></a>
<span class="sourceLineNo">117</span> }<a name="line.117"></a>
<span class="sourceLineNo">118</span><a name="line.118"></a>
<span class="sourceLineNo">119</span> static Logger getRootLogger(final LoggerContext context) {<a name="line.119"></a>
<span class="sourceLineNo">120</span> return getInstance(context, org.apache.logging.log4j.LogManager.ROOT_LOGGER_NAME);<a name="line.120"></a>
<span class="sourceLineNo">121</span> }<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
<span class="sourceLineNo">123</span> private final LoggerFactory defaultFactory;<a name="line.123"></a>
<span class="sourceLineNo">124</span> private final Vector listeners;<a name="line.124"></a>
<span class="sourceLineNo">125</span> Hashtable ht;<a name="line.125"></a>
<span class="sourceLineNo">126</span> Logger root;<a name="line.126"></a>
<span class="sourceLineNo">127</span> RendererMap rendererMap;<a name="line.127"></a>
<span class="sourceLineNo">128</span> int thresholdInt;<a name="line.128"></a>
<span class="sourceLineNo">129</span> Level threshold;<a name="line.129"></a>
<span class="sourceLineNo">130</span> boolean emittedNoAppenderWarning;<a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span> boolean emittedNoResourceBundleWarning;<a name="line.132"></a>
<span class="sourceLineNo">133</span><a name="line.133"></a>
<span class="sourceLineNo">134</span> private ThrowableRenderer throwableRenderer;<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span> /**<a name="line.136"></a>
<span class="sourceLineNo">137</span> * Creates a new logger hierarchy.<a name="line.137"></a>
<span class="sourceLineNo">138</span> *<a name="line.138"></a>
<span class="sourceLineNo">139</span> * @param root The root of the new hierarchy.<a name="line.139"></a>
<span class="sourceLineNo">140</span> *<a name="line.140"></a>
<span class="sourceLineNo">141</span> */<a name="line.141"></a>
<span class="sourceLineNo">142</span> public Hierarchy(final Logger root) {<a name="line.142"></a>
<span class="sourceLineNo">143</span> ht = new Hashtable();<a name="line.143"></a>
<span class="sourceLineNo">144</span> listeners = new Vector(1);<a name="line.144"></a>
<span class="sourceLineNo">145</span> this.root = root;<a name="line.145"></a>
<span class="sourceLineNo">146</span> // Enable all level levels by default.<a name="line.146"></a>
<span class="sourceLineNo">147</span> setThreshold(Level.ALL);<a name="line.147"></a>
<span class="sourceLineNo">148</span> this.root.setHierarchy(this);<a name="line.148"></a>
<span class="sourceLineNo">149</span> rendererMap = new RendererMap();<a name="line.149"></a>
<span class="sourceLineNo">150</span> defaultFactory = new DefaultCategoryFactory();<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> @Override<a name="line.153"></a>
<span class="sourceLineNo">154</span> public void addHierarchyEventListener(final HierarchyEventListener listener) {<a name="line.154"></a>
<span class="sourceLineNo">155</span> if (listeners.contains(listener)) {<a name="line.155"></a>
<span class="sourceLineNo">156</span> LogLog.warn("Ignoring attempt to add an existent listener.");<a name="line.156"></a>
<span class="sourceLineNo">157</span> } else {<a name="line.157"></a>
<span class="sourceLineNo">158</span> listeners.addElement(listener);<a name="line.158"></a>
<span class="sourceLineNo">159</span> }<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span><a name="line.161"></a>
<span class="sourceLineNo">162</span> /**<a name="line.162"></a>
<span class="sourceLineNo">163</span> * Adds an object renderer for a specific class.<a name="line.163"></a>
<span class="sourceLineNo">164</span> */<a name="line.164"></a>
<span class="sourceLineNo">165</span> public void addRenderer(final Class classToRender, final ObjectRenderer or) {<a name="line.165"></a>
<span class="sourceLineNo">166</span> rendererMap.put(classToRender, or);<a name="line.166"></a>
<span class="sourceLineNo">167</span> }<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span> /**<a name="line.169"></a>
<span class="sourceLineNo">170</span> * This call will clear all logger definitions from the internal hashtable. Invoking this method will irrevocably mess<a name="line.170"></a>
<span class="sourceLineNo">171</span> * up the logger hierarchy.<a name="line.171"></a>
<span class="sourceLineNo">172</span> *<a name="line.172"></a>
<span class="sourceLineNo">173</span> * &lt;p&gt;<a name="line.173"></a>
<span class="sourceLineNo">174</span> * You should &lt;em&gt;really&lt;/em&gt; know what you are doing before invoking this method.<a name="line.174"></a>
<span class="sourceLineNo">175</span> * &lt;/p&gt;<a name="line.175"></a>
<span class="sourceLineNo">176</span> *<a name="line.176"></a>
<span class="sourceLineNo">177</span> * @since 0.9.0<a name="line.177"></a>
<span class="sourceLineNo">178</span> */<a name="line.178"></a>
<span class="sourceLineNo">179</span> public void clear() {<a name="line.179"></a>
<span class="sourceLineNo">180</span> // System.out.println("\n\nAbout to clear internal hash table.");<a name="line.180"></a>
<span class="sourceLineNo">181</span> ht.clear();<a name="line.181"></a>
<span class="sourceLineNo">182</span> getLoggersMap(getContext()).clear();<a name="line.182"></a>
<span class="sourceLineNo">183</span> }<a name="line.183"></a>
<span class="sourceLineNo">184</span><a name="line.184"></a>
<span class="sourceLineNo">185</span> @Override<a name="line.185"></a>
<span class="sourceLineNo">186</span> public void emitNoAppenderWarning(final Category cat) {<a name="line.186"></a>
<span class="sourceLineNo">187</span> // No appenders in hierarchy, warn user only once.<a name="line.187"></a>
<span class="sourceLineNo">188</span> if (!this.emittedNoAppenderWarning) {<a name="line.188"></a>
<span class="sourceLineNo">189</span> LogLog.warn("No appenders could be found for logger (" + cat.getName() + ").");<a name="line.189"></a>
<span class="sourceLineNo">190</span> LogLog.warn("Please initialize the log4j system properly.");<a name="line.190"></a>
<span class="sourceLineNo">191</span> LogLog.warn("See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.");<a name="line.191"></a>
<span class="sourceLineNo">192</span> this.emittedNoAppenderWarning = true;<a name="line.192"></a>
<span class="sourceLineNo">193</span> }<a name="line.193"></a>
<span class="sourceLineNo">194</span> }<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span> /**<a name="line.196"></a>
<span class="sourceLineNo">197</span> * Tests if the named logger exists in the hierarchy. If so return its reference, otherwise returns &lt;code&gt;null&lt;/code&gt;.<a name="line.197"></a>
<span class="sourceLineNo">198</span> *<a name="line.198"></a>
<span class="sourceLineNo">199</span> * @param name The name of the logger to search for.<a name="line.199"></a>
<span class="sourceLineNo">200</span> *<a name="line.200"></a>
<span class="sourceLineNo">201</span> */<a name="line.201"></a>
<span class="sourceLineNo">202</span> @Override<a name="line.202"></a>
<span class="sourceLineNo">203</span> public Logger exists(final String name) {<a name="line.203"></a>
<span class="sourceLineNo">204</span> return exists(name, getContext());<a name="line.204"></a>
<span class="sourceLineNo">205</span> }<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span> Logger exists(final String name, final ClassLoader classLoader) {<a name="line.207"></a>
<span class="sourceLineNo">208</span> return exists(name, getContext(classLoader));<a name="line.208"></a>
<span class="sourceLineNo">209</span> }<a name="line.209"></a>
<span class="sourceLineNo">210</span><a name="line.210"></a>
<span class="sourceLineNo">211</span> Logger exists(final String name, final LoggerContext loggerContext) {<a name="line.211"></a>
<span class="sourceLineNo">212</span> if (!loggerContext.hasLogger(name)) {<a name="line.212"></a>
<span class="sourceLineNo">213</span> return null;<a name="line.213"></a>
<span class="sourceLineNo">214</span> }<a name="line.214"></a>
<span class="sourceLineNo">215</span> return Logger.getLogger(name);<a name="line.215"></a>
<span class="sourceLineNo">216</span> }<a name="line.216"></a>
<span class="sourceLineNo">217</span><a name="line.217"></a>
<span class="sourceLineNo">218</span> @Override<a name="line.218"></a>
<span class="sourceLineNo">219</span> public void fireAddAppenderEvent(final Category logger, final Appender appender) {<a name="line.219"></a>
<span class="sourceLineNo">220</span> if (listeners != null) {<a name="line.220"></a>
<span class="sourceLineNo">221</span> final int size = listeners.size();<a name="line.221"></a>
<span class="sourceLineNo">222</span> HierarchyEventListener listener;<a name="line.222"></a>
<span class="sourceLineNo">223</span> for (int i = 0; i &lt; size; i++) {<a name="line.223"></a>
<span class="sourceLineNo">224</span> listener = (HierarchyEventListener) listeners.elementAt(i);<a name="line.224"></a>
<span class="sourceLineNo">225</span> listener.addAppenderEvent(logger, appender);<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
<span class="sourceLineNo">227</span> }<a name="line.227"></a>
<span class="sourceLineNo">228</span> }<a name="line.228"></a>
<span class="sourceLineNo">229</span><a name="line.229"></a>
<span class="sourceLineNo">230</span> void fireRemoveAppenderEvent(final Category logger, final Appender appender) {<a name="line.230"></a>
<span class="sourceLineNo">231</span> if (listeners != null) {<a name="line.231"></a>
<span class="sourceLineNo">232</span> final int size = listeners.size();<a name="line.232"></a>
<span class="sourceLineNo">233</span> HierarchyEventListener listener;<a name="line.233"></a>
<span class="sourceLineNo">234</span> for (int i = 0; i &lt; size; i++) {<a name="line.234"></a>
<span class="sourceLineNo">235</span> listener = (HierarchyEventListener) listeners.elementAt(i);<a name="line.235"></a>
<span class="sourceLineNo">236</span> listener.removeAppenderEvent(logger, appender);<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<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><a name="line.240"></a>
<span class="sourceLineNo">241</span> LoggerContext getContext(final ClassLoader classLoader) {<a name="line.241"></a>
<span class="sourceLineNo">242</span> return LogManager.getContext(classLoader);<a name="line.242"></a>
<span class="sourceLineNo">243</span> }<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span> /**<a name="line.245"></a>
<span class="sourceLineNo">246</span> * @deprecated Please use {@link #getCurrentLoggers} instead.<a name="line.246"></a>
<span class="sourceLineNo">247</span> */<a name="line.247"></a>
<span class="sourceLineNo">248</span> @Deprecated<a name="line.248"></a>
<span class="sourceLineNo">249</span> @Override<a name="line.249"></a>
<span class="sourceLineNo">250</span> public Enumeration getCurrentCategories() {<a name="line.250"></a>
<span class="sourceLineNo">251</span> return getCurrentLoggers();<a name="line.251"></a>
<span class="sourceLineNo">252</span> }<a name="line.252"></a>
<span class="sourceLineNo">253</span><a name="line.253"></a>
<span class="sourceLineNo">254</span> /**<a name="line.254"></a>
<span class="sourceLineNo">255</span> * Gets all the currently defined categories in this hierarchy as an {@link java.util.Enumeration Enumeration}.<a name="line.255"></a>
<span class="sourceLineNo">256</span> *<a name="line.256"></a>
<span class="sourceLineNo">257</span> * &lt;p&gt;<a name="line.257"></a>
<span class="sourceLineNo">258</span> * The root logger is &lt;em&gt;not&lt;/em&gt; included in the returned {@link Enumeration}.<a name="line.258"></a>
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<span class="sourceLineNo">260</span> */<a name="line.260"></a>
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<span class="sourceLineNo">263</span> // The accumlation in v is necessary because not all elements in<a name="line.263"></a>
<span class="sourceLineNo">264</span> // ht are Logger objects as there might be some ProvisionNodes<a name="line.264"></a>
<span class="sourceLineNo">265</span> // as well.<a name="line.265"></a>
<span class="sourceLineNo">266</span>// final Vector v = new Vector(ht.size());<a name="line.266"></a>
<span class="sourceLineNo">267</span>//<a name="line.267"></a>
<span class="sourceLineNo">268</span>// final Enumeration elems = ht.elements();<a name="line.268"></a>
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<span class="sourceLineNo">270</span>// final Object o = elems.nextElement();<a name="line.270"></a>
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<span class="sourceLineNo">274</span>// }<a name="line.274"></a>
<span class="sourceLineNo">275</span>// return v.elements();<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span> return LogManager.getCurrentLoggers(StackLocatorUtil.getCallerClassLoader(2));<a name="line.277"></a>
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<span class="sourceLineNo">279</span><a name="line.279"></a>
<span class="sourceLineNo">280</span> /**<a name="line.280"></a>
<span class="sourceLineNo">281</span> * Gets a new logger instance named as the first parameter using the default factory.<a name="line.281"></a>
<span class="sourceLineNo">282</span> *<a name="line.282"></a>
<span class="sourceLineNo">283</span> * &lt;p&gt;<a name="line.283"></a>
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<span class="sourceLineNo">285</span> * then linked with its existing ancestors as well as children.<a name="line.285"></a>
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<span class="sourceLineNo">288</span> * @param name The name of the logger to retrieve.<a name="line.288"></a>
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<span class="sourceLineNo">295</span><a name="line.295"></a>
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<span class="sourceLineNo">299</span><a name="line.299"></a>
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<span class="sourceLineNo">302</span> *<a name="line.302"></a>
<span class="sourceLineNo">303</span> * &lt;p&gt;<a name="line.303"></a>
<span class="sourceLineNo">304</span> * If a logger of that name already exists, then it will be returned. Otherwise, a new logger will be instantiated by<a name="line.304"></a>
<span class="sourceLineNo">305</span> * the &lt;code&gt;factory&lt;/code&gt; parameter and linked with its existing ancestors as well as children.<a name="line.305"></a>
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<span class="sourceLineNo">307</span> *<a name="line.307"></a>
<span class="sourceLineNo">308</span> * @param name The name of the logger to retrieve.<a name="line.308"></a>
<span class="sourceLineNo">309</span> * @param factory The factory that will make the new logger instance.<a name="line.309"></a>
<span class="sourceLineNo">310</span> *<a name="line.310"></a>
<span class="sourceLineNo">311</span> */<a name="line.311"></a>
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<span class="sourceLineNo">313</span> public Logger getLogger(final String name, final LoggerFactory factory) {<a name="line.313"></a>
<span class="sourceLineNo">314</span> return getInstance(getContext(), name, factory);<a name="line.314"></a>
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<span class="sourceLineNo">316</span><a name="line.316"></a>
<span class="sourceLineNo">317</span> Logger getLogger(final String name, final LoggerFactory factory, final ClassLoader classLoader) {<a name="line.317"></a>
<span class="sourceLineNo">318</span> return getInstance(getContext(classLoader), name, factory);<a name="line.318"></a>
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<span class="sourceLineNo">320</span><a name="line.320"></a>
<span class="sourceLineNo">321</span> /**<a name="line.321"></a>
<span class="sourceLineNo">322</span> * Gets the renderer map for this hierarchy.<a name="line.322"></a>
<span class="sourceLineNo">323</span> */<a name="line.323"></a>
<span class="sourceLineNo">324</span> @Override<a name="line.324"></a>
<span class="sourceLineNo">325</span> public RendererMap getRendererMap() {<a name="line.325"></a>
<span class="sourceLineNo">326</span> return rendererMap;<a name="line.326"></a>
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<span class="sourceLineNo">328</span><a name="line.328"></a>
<span class="sourceLineNo">329</span> /**<a name="line.329"></a>
<span class="sourceLineNo">330</span> * Gets the root of this hierarchy.<a name="line.330"></a>
<span class="sourceLineNo">331</span> *<a name="line.331"></a>
<span class="sourceLineNo">332</span> * @since 0.9.0<a name="line.332"></a>
<span class="sourceLineNo">333</span> */<a name="line.333"></a>
<span class="sourceLineNo">334</span> @Override<a name="line.334"></a>
<span class="sourceLineNo">335</span> public Logger getRootLogger() {<a name="line.335"></a>
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<span class="sourceLineNo">338</span><a name="line.338"></a>
<span class="sourceLineNo">339</span> Logger getRootLogger(final ClassLoader classLoader) {<a name="line.339"></a>
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<span class="sourceLineNo">342</span><a name="line.342"></a>
<span class="sourceLineNo">343</span> /**<a name="line.343"></a>
<span class="sourceLineNo">344</span> * Gets a {@link Level} representation of the &lt;code&gt;enable&lt;/code&gt; state.<a name="line.344"></a>
<span class="sourceLineNo">345</span> *<a name="line.345"></a>
<span class="sourceLineNo">346</span> * @since 1.2<a name="line.346"></a>
<span class="sourceLineNo">347</span> */<a name="line.347"></a>
<span class="sourceLineNo">348</span> @Override<a name="line.348"></a>
<span class="sourceLineNo">349</span> public Level getThreshold() {<a name="line.349"></a>
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<span class="sourceLineNo">352</span><a name="line.352"></a>
<span class="sourceLineNo">353</span> /**<a name="line.353"></a>
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<span class="sourceLineNo">355</span> */<a name="line.355"></a>
<span class="sourceLineNo">356</span> @Override<a name="line.356"></a>
<span class="sourceLineNo">357</span> public ThrowableRenderer getThrowableRenderer() {<a name="line.357"></a>
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<span class="sourceLineNo">360</span><a name="line.360"></a>
<span class="sourceLineNo">361</span> /**<a name="line.361"></a>
<span class="sourceLineNo">362</span> * This method will return &lt;code&gt;true&lt;/code&gt; if this repository is disabled for &lt;code&gt;level&lt;/code&gt; object passed as<a name="line.362"></a>
<span class="sourceLineNo">363</span> * parameter and &lt;code&gt;false&lt;/code&gt; otherwise. See also the {@link #setThreshold(Level) threshold} emthod.<a name="line.363"></a>
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<span class="sourceLineNo">365</span> @Override<a name="line.365"></a>
<span class="sourceLineNo">366</span> public boolean isDisabled(final int level) {<a name="line.366"></a>
<span class="sourceLineNo">367</span> return thresholdInt &gt; level;<a name="line.367"></a>
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<span class="sourceLineNo">369</span><a name="line.369"></a>
<span class="sourceLineNo">370</span> /**<a name="line.370"></a>
<span class="sourceLineNo">371</span> * @deprecated Deprecated with no replacement.<a name="line.371"></a>
<span class="sourceLineNo">372</span> */<a name="line.372"></a>
<span class="sourceLineNo">373</span> @Deprecated<a name="line.373"></a>
<span class="sourceLineNo">374</span> public void overrideAsNeeded(final String override) {<a name="line.374"></a>
<span class="sourceLineNo">375</span> LogLog.warn("The Hiearchy.overrideAsNeeded method has been deprecated.");<a name="line.375"></a>
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<span class="sourceLineNo">377</span><a name="line.377"></a>
<span class="sourceLineNo">378</span> /**<a name="line.378"></a>
<span class="sourceLineNo">379</span> * Resets all values contained in this hierarchy instance to their default. This removes all appenders from all<a name="line.379"></a>
<span class="sourceLineNo">380</span> * categories, sets the level of all non-root categories to &lt;code&gt;null&lt;/code&gt;, sets their additivity flag to<a name="line.380"></a>
<span class="sourceLineNo">381</span> * &lt;code&gt;true&lt;/code&gt; and sets the level of the root logger to {@link Level#DEBUG DEBUG}. Moreover, message disabling is<a name="line.381"></a>
<span class="sourceLineNo">382</span> * set its default "off" value.<a name="line.382"></a>
<span class="sourceLineNo">383</span> *<a name="line.383"></a>
<span class="sourceLineNo">384</span> * &lt;p&gt;<a name="line.384"></a>
<span class="sourceLineNo">385</span> * Existing categories are not removed. They are just reset.<a name="line.385"></a>
<span class="sourceLineNo">386</span> * &lt;/p&gt;<a name="line.386"></a>
<span class="sourceLineNo">387</span> *<a name="line.387"></a>
<span class="sourceLineNo">388</span> * &lt;p&gt;<a name="line.388"></a>
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<span class="sourceLineNo">390</span> * &lt;/p&gt;<a name="line.390"></a>
<span class="sourceLineNo">391</span> *<a name="line.391"></a>
<span class="sourceLineNo">392</span> * @since 0.8.5<a name="line.392"></a>
<span class="sourceLineNo">393</span> */<a name="line.393"></a>
<span class="sourceLineNo">394</span> @Override<a name="line.394"></a>
<span class="sourceLineNo">395</span> public void resetConfiguration() {<a name="line.395"></a>
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<span class="sourceLineNo">398</span><a name="line.398"></a>
<span class="sourceLineNo">399</span> void resetConfiguration(final ClassLoader classLoader) {<a name="line.399"></a>
<span class="sourceLineNo">400</span> resetConfiguration(getContext(classLoader));<a name="line.400"></a>
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<span class="sourceLineNo">402</span><a name="line.402"></a>
<span class="sourceLineNo">403</span> void resetConfiguration(final LoggerContext loggerContext) {<a name="line.403"></a>
<span class="sourceLineNo">404</span> getLoggersMap(loggerContext).clear();<a name="line.404"></a>
<span class="sourceLineNo">405</span><a name="line.405"></a>
<span class="sourceLineNo">406</span> getRootLogger().setLevel(Level.DEBUG);<a name="line.406"></a>
<span class="sourceLineNo">407</span> root.setResourceBundle(null);<a name="line.407"></a>
<span class="sourceLineNo">408</span> setThreshold(Level.ALL);<a name="line.408"></a>
<span class="sourceLineNo">409</span><a name="line.409"></a>
<span class="sourceLineNo">410</span> // the synchronization is needed to prevent JDK 1.2.x hashtable<a name="line.410"></a>
<span class="sourceLineNo">411</span> // surprises<a name="line.411"></a>
<span class="sourceLineNo">412</span> synchronized (ht) {<a name="line.412"></a>
<span class="sourceLineNo">413</span> shutdown(); // nested locks are OK<a name="line.413"></a>
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<span class="sourceLineNo">418</span> c.setLevel(null);<a name="line.418"></a>
<span class="sourceLineNo">419</span> c.setAdditivity(true);<a name="line.419"></a>
<span class="sourceLineNo">420</span> c.setResourceBundle(null);<a name="line.420"></a>
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<span class="sourceLineNo">422</span> }<a name="line.422"></a>
<span class="sourceLineNo">423</span> rendererMap.clear();<a name="line.423"></a>
<span class="sourceLineNo">424</span> throwableRenderer = null;<a name="line.424"></a>
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<span class="sourceLineNo">426</span><a name="line.426"></a>
<span class="sourceLineNo">427</span> /**<a name="line.427"></a>
<span class="sourceLineNo">428</span> * Does nothing.<a name="line.428"></a>
<span class="sourceLineNo">429</span> *<a name="line.429"></a>
<span class="sourceLineNo">430</span> * @deprecated Deprecated with no replacement.<a name="line.430"></a>
<span class="sourceLineNo">431</span> */<a name="line.431"></a>
<span class="sourceLineNo">432</span> @Deprecated<a name="line.432"></a>
<span class="sourceLineNo">433</span> public void setDisableOverride(final String override) {<a name="line.433"></a>
<span class="sourceLineNo">434</span> LogLog.warn("The Hiearchy.setDisableOverride method has been deprecated.");<a name="line.434"></a>
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<span class="sourceLineNo">436</span><a name="line.436"></a>
<span class="sourceLineNo">437</span> /**<a name="line.437"></a>
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<span class="sourceLineNo">439</span> */<a name="line.439"></a>
<span class="sourceLineNo">440</span> @Override<a name="line.440"></a>
<span class="sourceLineNo">441</span> public void setRenderer(final Class renderedClass, final ObjectRenderer renderer) {<a name="line.441"></a>
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<span class="sourceLineNo">444</span><a name="line.444"></a>
<span class="sourceLineNo">445</span> /**<a name="line.445"></a>
<span class="sourceLineNo">446</span> * Enable logging for logging requests with level &lt;code&gt;l&lt;/code&gt; or higher. By default all levels are enabled.<a name="line.446"></a>
<span class="sourceLineNo">447</span> *<a name="line.447"></a>
<span class="sourceLineNo">448</span> * @param level The minimum level for which logging requests are sent to their appenders.<a name="line.448"></a>
<span class="sourceLineNo">449</span> */<a name="line.449"></a>
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<span class="sourceLineNo">457</span><a name="line.457"></a>
<span class="sourceLineNo">458</span> /**<a name="line.458"></a>
<span class="sourceLineNo">459</span> * The string form of {@link #setThreshold(Level)}.<a name="line.459"></a>
<span class="sourceLineNo">460</span> */<a name="line.460"></a>
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<span class="sourceLineNo">462</span> public void setThreshold(final String levelStr) {<a name="line.462"></a>
<span class="sourceLineNo">463</span> final Level level = Level.toLevel(levelStr, null);<a name="line.463"></a>
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<span class="sourceLineNo">465</span> setThreshold(level);<a name="line.465"></a>
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<span class="sourceLineNo">467</span> LogLog.warn("Could not convert [" + levelStr + "] to Level.");<a name="line.467"></a>
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<span class="sourceLineNo">469</span> }<a name="line.469"></a>
<span class="sourceLineNo">470</span><a name="line.470"></a>
<span class="sourceLineNo">471</span> /**<a name="line.471"></a>
<span class="sourceLineNo">472</span> * {@inheritDoc}<a name="line.472"></a>
<span class="sourceLineNo">473</span> */<a name="line.473"></a>
<span class="sourceLineNo">474</span> @Override<a name="line.474"></a>
<span class="sourceLineNo">475</span> public void setThrowableRenderer(final ThrowableRenderer throwableRenderer) {<a name="line.475"></a>
<span class="sourceLineNo">476</span> this.throwableRenderer = throwableRenderer;<a name="line.476"></a>
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<span class="sourceLineNo">478</span><a name="line.478"></a>
<span class="sourceLineNo">479</span> /**<a name="line.479"></a>
<span class="sourceLineNo">480</span> * Shutting down a hierarchy will &lt;em&gt;safely&lt;/em&gt; close and remove all appenders in all categories including the root<a name="line.480"></a>
<span class="sourceLineNo">481</span> * logger.<a name="line.481"></a>
<span class="sourceLineNo">482</span> *<a name="line.482"></a>
<span class="sourceLineNo">483</span> * &lt;p&gt;<a name="line.483"></a>
<span class="sourceLineNo">484</span> * Some appenders such as {@link org.apache.log4j.net.SocketAppender} and {@link AsyncAppender} need to be closed before<a name="line.484"></a>
<span class="sourceLineNo">485</span> * the application exists. Otherwise, pending logging events might be lost.<a name="line.485"></a>
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<span class="sourceLineNo">487</span> * &lt;p&gt;<a name="line.487"></a>
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<span class="sourceLineNo">491</span> *<a name="line.491"></a>
<span class="sourceLineNo">492</span> * @since 1.0<a name="line.492"></a>
<span class="sourceLineNo">493</span> */<a name="line.493"></a>
<span class="sourceLineNo">494</span> @Override<a name="line.494"></a>
<span class="sourceLineNo">495</span> public void shutdown() {<a name="line.495"></a>
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<span class="sourceLineNo">498</span><a name="line.498"></a>
<span class="sourceLineNo">499</span> public void shutdown(final ClassLoader classLoader) {<a name="line.499"></a>
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<span class="sourceLineNo">502</span><a name="line.502"></a>
<span class="sourceLineNo">503</span> void shutdown(final LoggerContext context) {<a name="line.503"></a>
<span class="sourceLineNo">504</span>// final Logger root = getRootLogger();<a name="line.504"></a>
<span class="sourceLineNo">505</span>// // begin by closing nested appenders<a name="line.505"></a>
<span class="sourceLineNo">506</span>// root.closeNestedAppenders();<a name="line.506"></a>
<span class="sourceLineNo">507</span>//<a name="line.507"></a>
<span class="sourceLineNo">508</span>// synchronized (ht) {<a name="line.508"></a>
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<span class="sourceLineNo">511</span>// final Logger c = (Logger) cats.nextElement();<a name="line.511"></a>
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<span class="sourceLineNo">514</span>//<a name="line.514"></a>
<span class="sourceLineNo">515</span>// // then, remove all appenders<a name="line.515"></a>
<span class="sourceLineNo">516</span>// root.removeAllAppenders();<a name="line.516"></a>
<span class="sourceLineNo">517</span>// cats = this.getCurrentLoggers();<a name="line.517"></a>
<span class="sourceLineNo">518</span>// while (cats.hasMoreElements()) {<a name="line.518"></a>
<span class="sourceLineNo">519</span>// final Logger c = (Logger) cats.nextElement();<a name="line.519"></a>
<span class="sourceLineNo">520</span>// c.removeAllAppenders();<a name="line.520"></a>
<span class="sourceLineNo">521</span>// }<a name="line.521"></a>
<span class="sourceLineNo">522</span>// }<a name="line.522"></a>
<span class="sourceLineNo">523</span> getLoggersMap(context).clear();<a name="line.523"></a>
<span class="sourceLineNo">524</span> if (LogManager.isLog4jCorePresent()) {<a name="line.524"></a>
<span class="sourceLineNo">525</span> ContextUtil.shutdown(context);<a name="line.525"></a>
<span class="sourceLineNo">526</span> }<a name="line.526"></a>
<span class="sourceLineNo">527</span> }<a name="line.527"></a>
<span class="sourceLineNo">528</span><a name="line.528"></a>
<span class="sourceLineNo">529</span> /**<a name="line.529"></a>
<span class="sourceLineNo">530</span> * We update the links for all the children that placed themselves in the provision node 'pn'. The second argument 'cat'<a name="line.530"></a>
<span class="sourceLineNo">531</span> * is a reference for the newly created Logger, parent of all the children in 'pn'<a name="line.531"></a>
<span class="sourceLineNo">532</span> *<a name="line.532"></a>
<span class="sourceLineNo">533</span> * We loop on all the children 'c' in 'pn':<a name="line.533"></a>
<span class="sourceLineNo">534</span> *<a name="line.534"></a>
<span class="sourceLineNo">535</span> * If the child 'c' has been already linked to a child of 'cat' then there is no need to update 'c'.<a name="line.535"></a>
<span class="sourceLineNo">536</span> *<a name="line.536"></a>
<span class="sourceLineNo">537</span> * Otherwise, we set cat's parent field to c's parent and set c's parent field to cat.<a name="line.537"></a>
<span class="sourceLineNo">538</span> *<a name="line.538"></a>
<span class="sourceLineNo">539</span> */<a name="line.539"></a>
<span class="sourceLineNo">540</span> final private void updateChildren(final ProvisionNode pn, final Logger logger) {<a name="line.540"></a>
<span class="sourceLineNo">541</span> // System.out.println("updateChildren called for " + logger.name);<a name="line.541"></a>
<span class="sourceLineNo">542</span> final int last = pn.size();<a name="line.542"></a>
<span class="sourceLineNo">543</span><a name="line.543"></a>
<span class="sourceLineNo">544</span> for (int i = 0; i &lt; last; i++) {<a name="line.544"></a>
<span class="sourceLineNo">545</span> final Logger l = (Logger) pn.elementAt(i);<a name="line.545"></a>
<span class="sourceLineNo">546</span> // System.out.println("Updating child " +p.name);<a name="line.546"></a>
<span class="sourceLineNo">547</span><a name="line.547"></a>
<span class="sourceLineNo">548</span> // Unless this child already points to a correct (lower) parent,<a name="line.548"></a>
<span class="sourceLineNo">549</span> // make cat.parent point to l.parent and l.parent to cat.<a name="line.549"></a>
<span class="sourceLineNo">550</span> if (!l.parent.name.startsWith(logger.name)) {<a name="line.550"></a>
<span class="sourceLineNo">551</span> logger.parent = l.parent;<a name="line.551"></a>
<span class="sourceLineNo">552</span> l.parent = logger;<a name="line.552"></a>
<span class="sourceLineNo">553</span> }<a name="line.553"></a>
<span class="sourceLineNo">554</span> }<a name="line.554"></a>
<span class="sourceLineNo">555</span> }<a name="line.555"></a>
<span class="sourceLineNo">556</span><a name="line.556"></a>
<span class="sourceLineNo">557</span> /**<a name="line.557"></a>
<span class="sourceLineNo">558</span> * This method loops through all the *potential* parents of 'cat'. There 3 possible cases:<a name="line.558"></a>
<span class="sourceLineNo">559</span> *<a name="line.559"></a>
<span class="sourceLineNo">560</span> * 1) No entry for the potential parent of 'cat' exists<a name="line.560"></a>
<span class="sourceLineNo">561</span> *<a name="line.561"></a>
<span class="sourceLineNo">562</span> * We create a ProvisionNode for this potential parent and insert 'cat' in that provision node.<a name="line.562"></a>
<span class="sourceLineNo">563</span> *<a name="line.563"></a>
<span class="sourceLineNo">564</span> * 2) There entry is of type Logger for the potential parent.<a name="line.564"></a>
<span class="sourceLineNo">565</span> *<a name="line.565"></a>
<span class="sourceLineNo">566</span> * The entry is 'cat's nearest existing parent. We update cat's parent field with this entry. We also break from the<a name="line.566"></a>
<span class="sourceLineNo">567</span> * loop because updating our parent's parent is our parent's responsibility.<a name="line.567"></a>
<span class="sourceLineNo">568</span> *<a name="line.568"></a>
<span class="sourceLineNo">569</span> * 3) There entry is of type ProvisionNode for this potential parent.<a name="line.569"></a>
<span class="sourceLineNo">570</span> *<a name="line.570"></a>
<span class="sourceLineNo">571</span> * We add 'cat' to the list of children for this potential parent.<a name="line.571"></a>
<span class="sourceLineNo">572</span> */<a name="line.572"></a>
<span class="sourceLineNo">573</span> final private void updateParents(final Logger cat) {<a name="line.573"></a>
<span class="sourceLineNo">574</span> final String name = cat.name;<a name="line.574"></a>
<span class="sourceLineNo">575</span> final int length = name.length();<a name="line.575"></a>
<span class="sourceLineNo">576</span> boolean parentFound = false;<a name="line.576"></a>
<span class="sourceLineNo">577</span><a name="line.577"></a>
<span class="sourceLineNo">578</span> // System.out.println("UpdateParents called for " + name);<a name="line.578"></a>
<span class="sourceLineNo">579</span><a name="line.579"></a>
<span class="sourceLineNo">580</span> // if name = "w.x.y.z", loop thourgh "w.x.y", "w.x" and "w", but not "w.x.y.z"<a name="line.580"></a>
<span class="sourceLineNo">581</span> for (int i = name.lastIndexOf('.', length - 1); i &gt;= 0; i = name.lastIndexOf('.', i - 1)) {<a name="line.581"></a>
<span class="sourceLineNo">582</span> final String substr = name.substring(0, i);<a name="line.582"></a>
<span class="sourceLineNo">583</span><a name="line.583"></a>
<span class="sourceLineNo">584</span> // System.out.println("Updating parent : " + substr);<a name="line.584"></a>
<span class="sourceLineNo">585</span> final CategoryKey key = new CategoryKey(substr); // simple constructor<a name="line.585"></a>
<span class="sourceLineNo">586</span> final Object o = ht.get(key);<a name="line.586"></a>
<span class="sourceLineNo">587</span> // Create a provision node for a future parent.<a name="line.587"></a>
<span class="sourceLineNo">588</span> if (o == null) {<a name="line.588"></a>
<span class="sourceLineNo">589</span> // System.out.println("No parent "+substr+" found. Creating ProvisionNode.");<a name="line.589"></a>
<span class="sourceLineNo">590</span> final ProvisionNode pn = new ProvisionNode(cat);<a name="line.590"></a>
<span class="sourceLineNo">591</span> ht.put(key, pn);<a name="line.591"></a>
<span class="sourceLineNo">592</span> } else if (o instanceof Category) {<a name="line.592"></a>
<span class="sourceLineNo">593</span> parentFound = true;<a name="line.593"></a>
<span class="sourceLineNo">594</span> cat.parent = (Category) o;<a name="line.594"></a>
<span class="sourceLineNo">595</span> // System.out.println("Linking " + cat.name + " -&gt; " + ((Category) o).name);<a name="line.595"></a>
<span class="sourceLineNo">596</span> break; // no need to update the ancestors of the closest ancestor<a name="line.596"></a>
<span class="sourceLineNo">597</span> } else if (o instanceof ProvisionNode) {<a name="line.597"></a>
<span class="sourceLineNo">598</span> ((ProvisionNode) o).addElement(cat);<a name="line.598"></a>
<span class="sourceLineNo">599</span> } else {<a name="line.599"></a>
<span class="sourceLineNo">600</span> final Exception e = new IllegalStateException("unexpected object type " + o.getClass() + " in ht.");<a name="line.600"></a>
<span class="sourceLineNo">601</span> e.printStackTrace();<a name="line.601"></a>
<span class="sourceLineNo">602</span> }<a name="line.602"></a>
<span class="sourceLineNo">603</span> }<a name="line.603"></a>
<span class="sourceLineNo">604</span> // If we could not find any existing parents, then link with root.<a name="line.604"></a>
<span class="sourceLineNo">605</span> if (!parentFound) {<a name="line.605"></a>
<span class="sourceLineNo">606</span> cat.parent = root;<a name="line.606"></a>
<span class="sourceLineNo">607</span> }<a name="line.607"></a>
<span class="sourceLineNo">608</span> }<a name="line.608"></a>
<span class="sourceLineNo">609</span><a name="line.609"></a>
<span class="sourceLineNo">610</span>}<a name="line.610"></a>
</pre>
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