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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;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span><a name="line.18"></a> |
| <span class="sourceLineNo">019</span>import java.util.Arrays;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.util.concurrent.ConcurrentHashMap;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.concurrent.ConcurrentMap;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span><a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.logging.log4j.util.PerformanceSensitive;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.logging.log4j.util.StringBuilderFormattable;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span><a name="line.25"></a> |
| <span class="sourceLineNo">026</span>/**<a name="line.26"></a> |
| <span class="sourceLineNo">027</span> * Applications create Markers by using the Marker Manager. All Markers created by this Manager are immutable.<a name="line.27"></a> |
| <span class="sourceLineNo">028</span> */<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>public final class MarkerManager {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span> private static final ConcurrentMap<String, Marker> MARKERS = new ConcurrentHashMap<>();<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span> private MarkerManager() {<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> // do nothing<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> }<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> /**<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * Clears all markers.<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> */<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> public static void clear() {<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> MARKERS.clear();<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> }<a name="line.42"></a> |
| <span class="sourceLineNo">043</span><a name="line.43"></a> |
| <span class="sourceLineNo">044</span> /**<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> * Tests existence of the given marker.<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> *<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> * @param key the marker name<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * @return true if the marker exists.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * @since 2.4<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> public static boolean exists(final String key) {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> return MARKERS.containsKey(key);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> }<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /**<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * Retrieves a Marker or create a Marker that has no parent.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> *<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @param name The name of the Marker.<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * @return The Marker with the specified name.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * @throws IllegalArgumentException if the argument is {@code null}<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public static Marker getMarker(final String name) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> Marker result = MARKERS.get(name);<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> if (result == null) {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> MARKERS.putIfAbsent(name, new Log4jMarker(name));<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> result = MARKERS.get(name);<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> }<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> return result;<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> }<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> * Retrieves or creates a Marker with the specified parent. The parent must have been previously created.<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> *<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * @param name The name of the Marker.<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * @param parent The name of the parent Marker.<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * @return The Marker with the specified name.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * @throws IllegalArgumentException if the parent Marker does not exist.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @deprecated Use the Marker add or set methods to add parent Markers. Will be removed by final GA release.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> @Deprecated<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> public static Marker getMarker(final String name, final String parent) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> final Marker parentMarker = MARKERS.get(parent);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> if (parentMarker == null) {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> throw new IllegalArgumentException("Parent Marker " + parent + " has not been defined");<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> return getMarker(name, parentMarker);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> }<a name="line.87"></a> |
| <span class="sourceLineNo">088</span><a name="line.88"></a> |
| <span class="sourceLineNo">089</span> /**<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * Retrieves or creates a Marker with the specified parent.<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> *<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> * @param name The name of the Marker.<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * @param parent The parent Marker.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * @return The Marker with the specified name.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * @throws IllegalArgumentException if any argument is {@code null}<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * @deprecated Use the Marker add or set methods to add parent Markers. Will be removed by final GA release.<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> */<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> @Deprecated<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> public static Marker getMarker(final String name, final Marker parent) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> return getMarker(name).addParents(parent);<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> /**<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * <em>Consider this class private, it is only public to satisfy Jackson for XML and JSON IO.</em><a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * <p><a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * The actual Marker implementation.<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * </p><a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * <p><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * <em>Internal note: We could make this class package private instead of public if the class<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> * {@code org.apache.logging.log4j.core.jackson.MarkerMixIn}<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> * is moved to this package and would of course stay in its current module.</em><a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * </p><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> */<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> public static class Log4jMarker implements Marker, StringBuilderFormattable {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span><a name="line.115"></a> |
| <span class="sourceLineNo">116</span> private static final long serialVersionUID = 100L;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> private final String name;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span><a name="line.119"></a> |
| <span class="sourceLineNo">120</span> private volatile Marker[] parents;<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> * Required by JAXB and Jackson for XML and JSON IO.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> */<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> @SuppressWarnings("unused")<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> private Log4jMarker() {<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> this.name = null;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> this.parents = null;<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> /**<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * Constructs a new Marker.<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> *<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * @param name the name of the Marker.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * @throws IllegalArgumentException if the argument is {@code null}<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> */<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> public Log4jMarker(final String name) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> // we can't store null references in a ConcurrentHashMap as it is, not to mention that a null Marker<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> // name seems rather pointless. To get an "anonymous" Marker, just use an empty string.<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> requireNonNull(name, "Marker name cannot be null.");<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> this.name = name;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> this.parents = null;<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> // TODO: use java.util.concurrent<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> @Override<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> public synchronized Marker addParents(final Marker... parentMarkers) {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> requireNonNull(parentMarkers, "A parent marker must be specified");<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> // It is not strictly necessary to copy the variable here but it should perform better than<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // Accessing a volatile variable multiple times.<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> final Marker[] localParents = this.parents;<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // Don't add a parent that is already in the hierarchy.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> int count = 0;<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> int size = parentMarkers.length;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> if (localParents != null) {<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> for (final Marker parent : parentMarkers) {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> if (!(contains(parent, localParents) || parent.isInstanceOf(this))) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> ++count;<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> if (count == 0) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> return this;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> size = localParents.length + count;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> }<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> final Marker[] markers = new Marker[size];<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (localParents != null) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> // It's perfectly OK to call arraycopy in a synchronized context; it's still faster<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> // noinspection CallToNativeMethodWhileLocked<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> System.arraycopy(localParents, 0, markers, 0, localParents.length);<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> int index = localParents == null ? 0 : localParents.length;<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> for (final Marker parent : parentMarkers) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (localParents == null || !(contains(parent, localParents) || parent.isInstanceOf(this))) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> markers[index++] = parent;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> this.parents = markers;<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return this;<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> @Override<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> public synchronized boolean remove(final Marker parent) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> requireNonNull(parent, "A parent marker must be specified");<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> final Marker[] localParents = this.parents;<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> if (localParents == null) {<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> return false;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> }<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> final int localParentsLength = localParents.length;<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> if (localParentsLength == 1) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> if (localParents[0].equals(parent)) {<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> parents = null;<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> return true;<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> return false;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> }<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> int index = 0;<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> final Marker[] markers = new Marker[localParentsLength - 1];<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> // noinspection ForLoopReplaceableByForEach<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> for (int i = 0; i < localParentsLength; i++) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> final Marker marker = localParents[i];<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> if (!marker.equals(parent)) {<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> if (index == localParentsLength - 1) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> // no need to swap array<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> return false;<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> }<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> markers[index++] = marker;<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> parents = markers;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> return true;<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> }<a name="line.213"></a> |
| <span class="sourceLineNo">214</span><a name="line.214"></a> |
| <span class="sourceLineNo">215</span> @Override<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> public Marker setParents(final Marker... markers) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> if (markers == null || markers.length == 0) {<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> this.parents = null;<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> } else {<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> final Marker[] array = new Marker[markers.length];<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> System.arraycopy(markers, 0, array, 0, markers.length);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> this.parents = array;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> return this;<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> }<a name="line.225"></a> |
| <span class="sourceLineNo">226</span><a name="line.226"></a> |
| <span class="sourceLineNo">227</span> @Override<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> public String getName() {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> return this.name;<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> @Override<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> public Marker[] getParents() {<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> if (this.parents == null) {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> return null;<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> }<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> return Arrays.copyOf(this.parents, this.parents.length);<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> @Override<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> public boolean hasParents() {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> return this.parents != null;<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> @Override<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> @PerformanceSensitive({"allocation", "unrolled"})<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> public boolean isInstanceOf(final Marker marker) {<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> requireNonNull(marker, "A marker parameter is required");<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> if (this == marker) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> return true;<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> final Marker[] localParents = parents;<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> if (localParents != null) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> // With only one or two parents the for loop is slower.<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> final int localParentsLength = localParents.length;<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> if (localParentsLength == 1) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> return checkParent(localParents[0], marker);<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> if (localParentsLength == 2) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> return checkParent(localParents[0], marker) || checkParent(localParents[1], marker);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // noinspection ForLoopReplaceableByForEach<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> for (int i = 0; i < localParentsLength; i++) {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> final Marker localParent = localParents[i];<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> if (checkParent(localParent, marker)) {<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> return true;<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> }<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> }<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> return false;<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span><a name="line.272"></a> |
| <span class="sourceLineNo">273</span> @Override<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> @PerformanceSensitive({"allocation", "unrolled"})<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> public boolean isInstanceOf(final String markerName) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> requireNonNull(markerName, "A marker name is required");<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> if (markerName.equals(this.getName())) {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> return true;<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> // Use a real marker for child comparisons. It is faster than comparing the names.<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> final Marker marker = MARKERS.get(markerName);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> if (marker == null) {<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> return false;<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> }<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> final Marker[] localParents = parents;<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (localParents != null) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> final int localParentsLength = localParents.length;<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> if (localParentsLength == 1) {<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> return checkParent(localParents[0], marker);<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> }<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> if (localParentsLength == 2) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> return checkParent(localParents[0], marker) || checkParent(localParents[1], marker);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> }<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> // noinspection ForLoopReplaceableByForEach<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> for (int i = 0; i < localParentsLength; i++) {<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> final Marker localParent = localParents[i];<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> if (checkParent(localParent, marker)) {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> return true;<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> }<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> }<a name="line.301"></a> |
| <span class="sourceLineNo">302</span><a name="line.302"></a> |
| <span class="sourceLineNo">303</span> return false;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> @PerformanceSensitive({"allocation", "unrolled"})<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> private static boolean checkParent(final Marker parent, final Marker marker) {<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (parent == marker) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> return true;<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> final Marker[] localParents = parent instanceof Log4jMarker ? ((Log4jMarker) parent).parents : parent<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> .getParents();<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> if (localParents != null) {<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> final int localParentsLength = localParents.length;<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> if (localParentsLength == 1) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> return checkParent(localParents[0], marker);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> if (localParentsLength == 2) {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> return checkParent(localParents[0], marker) || checkParent(localParents[1], marker);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> }<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> // noinspection ForLoopReplaceableByForEach<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> for (int i = 0; i < localParentsLength; i++) {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> final Marker localParent = localParents[i];<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> if (checkParent(localParent, marker)) {<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> return true;<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> }<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> }<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> return false;<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> }<a name="line.330"></a> |
| <span class="sourceLineNo">331</span><a name="line.331"></a> |
| <span class="sourceLineNo">332</span> /*<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> * Called from add while synchronized.<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> */<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> @PerformanceSensitive("allocation")<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> private static boolean contains(final Marker parent, final Marker... localParents) {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> // performance tests showed a normal for loop is slightly faster than a for-each loop on some platforms<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> // noinspection ForLoopReplaceableByForEach<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> for (int i = 0, localParentsLength = localParents.length; i < localParentsLength; i++) {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> final Marker marker = localParents[i];<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> if (marker == parent) {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> return true;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> return false;<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> }<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 boolean equals(final Object o) {<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> if (this == o) {<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> return true;<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> }<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> if (o == null || !(o instanceof Marker)) {<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> return false;<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> }<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> final Marker marker = (Marker) o;<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> return name.equals(marker.getName());<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> }<a name="line.358"></a> |
| <span class="sourceLineNo">359</span><a name="line.359"></a> |
| <span class="sourceLineNo">360</span> @Override<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> public int hashCode() {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> return name.hashCode();<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> }<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span> @Override<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> public String toString() {<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> // FIXME: might want to use an initial capacity; the default is 16 (or str.length() + 16)<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> final StringBuilder sb = new StringBuilder();<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> formatTo(sb);<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> return sb.toString();<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> }<a name="line.371"></a> |
| <span class="sourceLineNo">372</span><a name="line.372"></a> |
| <span class="sourceLineNo">373</span> @Override<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> public void formatTo(final StringBuilder sb) {<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> sb.append(name);<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> final Marker[] localParents = parents;<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> if (localParents != null) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> addParentInfo(sb, localParents);<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> }<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> }<a name="line.380"></a> |
| <span class="sourceLineNo">381</span><a name="line.381"></a> |
| <span class="sourceLineNo">382</span> @PerformanceSensitive("allocation")<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> private static void addParentInfo(final StringBuilder sb, final Marker... parents) {<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> sb.append("[ ");<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> boolean first = true;<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> // noinspection ForLoopReplaceableByForEach<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> for (int i = 0, parentsLength = parents.length; i < parentsLength; i++) {<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> final Marker marker = parents[i];<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> if (!first) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> sb.append(", ");<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> }<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> first = false;<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> sb.append(marker.getName());<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> final Marker[] p = marker instanceof Log4jMarker ? ((Log4jMarker) marker).parents : marker.getParents();<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> if (p != null) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> addParentInfo(sb, p);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> }<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> }<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> sb.append(" ]");<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> }<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> // this method wouldn't be necessary if Marker methods threw an NPE instead of an IAE for null values ;)<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> private static void requireNonNull(final Object obj, final String message) {<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> if (obj == null) {<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> throw new IllegalArgumentException(message);<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> }<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> }<a name="line.408"></a> |
| <span class="sourceLineNo">409</span>}<a name="line.409"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |