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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.filter;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.text.ParseException;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.text.SimpleDateFormat;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.Calendar;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.TimeZone;<a name="line.22"></a>
<span class="sourceLineNo">023</span><a name="line.23"></a>
<span class="sourceLineNo">024</span>import org.apache.logging.log4j.Level;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.logging.log4j.Marker;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.logging.log4j.core.Filter;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.Logger;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.config.Node;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.logging.log4j.core.config.plugins.PluginAttribute;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.config.plugins.PluginFactory;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.util.Clock;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.util.ClockFactory;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.logging.log4j.message.Message;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.logging.log4j.util.PerformanceSensitive;<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> * Filters events that fall within a specified time period in each day.<a name="line.39"></a>
<span class="sourceLineNo">040</span> */<a name="line.40"></a>
<span class="sourceLineNo">041</span>@Plugin(name = "TimeFilter", category = Node.CATEGORY, elementType = Filter.ELEMENT_TYPE, printObject = true)<a name="line.41"></a>
<span class="sourceLineNo">042</span>@PerformanceSensitive("allocation")<a name="line.42"></a>
<span class="sourceLineNo">043</span>public final class TimeFilter extends AbstractFilter {<a name="line.43"></a>
<span class="sourceLineNo">044</span> private static final Clock CLOCK = ClockFactory.getClock();<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> * Length of hour in milliseconds.<a name="line.47"></a>
<span class="sourceLineNo">048</span> */<a name="line.48"></a>
<span class="sourceLineNo">049</span> private static final long HOUR_MS = 3600000;<a name="line.49"></a>
<span class="sourceLineNo">050</span><a name="line.50"></a>
<span class="sourceLineNo">051</span> /**<a name="line.51"></a>
<span class="sourceLineNo">052</span> * Length of minute in milliseconds.<a name="line.52"></a>
<span class="sourceLineNo">053</span> */<a name="line.53"></a>
<span class="sourceLineNo">054</span> private static final long MINUTE_MS = 60000;<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span> /**<a name="line.56"></a>
<span class="sourceLineNo">057</span> * Length of second in milliseconds.<a name="line.57"></a>
<span class="sourceLineNo">058</span> */<a name="line.58"></a>
<span class="sourceLineNo">059</span> private static final long SECOND_MS = 1000;<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> /**<a name="line.61"></a>
<span class="sourceLineNo">062</span> * Starting offset from midnight in milliseconds.<a name="line.62"></a>
<span class="sourceLineNo">063</span> */<a name="line.63"></a>
<span class="sourceLineNo">064</span> private final long start;<a name="line.64"></a>
<span class="sourceLineNo">065</span> <a name="line.65"></a>
<span class="sourceLineNo">066</span> /**<a name="line.66"></a>
<span class="sourceLineNo">067</span> * Ending offset from midnight in milliseconds.<a name="line.67"></a>
<span class="sourceLineNo">068</span> */<a name="line.68"></a>
<span class="sourceLineNo">069</span> private final long end;<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> * Timezone.<a name="line.72"></a>
<span class="sourceLineNo">073</span> */<a name="line.73"></a>
<span class="sourceLineNo">074</span> private final TimeZone timeZone;<a name="line.74"></a>
<span class="sourceLineNo">075</span><a name="line.75"></a>
<span class="sourceLineNo">076</span> private long midnightToday;<a name="line.76"></a>
<span class="sourceLineNo">077</span> private long midnightTomorrow;<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> private TimeFilter(final long start, final long end, final TimeZone timeZone, final Result onMatch,<a name="line.80"></a>
<span class="sourceLineNo">081</span> final Result onMismatch) {<a name="line.81"></a>
<span class="sourceLineNo">082</span> super(onMatch, onMismatch);<a name="line.82"></a>
<span class="sourceLineNo">083</span> this.start = start;<a name="line.83"></a>
<span class="sourceLineNo">084</span> this.end = end;<a name="line.84"></a>
<span class="sourceLineNo">085</span> this.timeZone = timeZone;<a name="line.85"></a>
<span class="sourceLineNo">086</span> initMidnight(start);<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> * Initializes the midnight boundaries to midnight in the specified time zone.<a name="line.90"></a>
<span class="sourceLineNo">091</span> * @param now a time in milliseconds since the epoch, used to pinpoint the current date<a name="line.91"></a>
<span class="sourceLineNo">092</span> */<a name="line.92"></a>
<span class="sourceLineNo">093</span> void initMidnight(final long now) {<a name="line.93"></a>
<span class="sourceLineNo">094</span> final Calendar calendar = Calendar.getInstance(timeZone);<a name="line.94"></a>
<span class="sourceLineNo">095</span> calendar.setTimeInMillis(now);<a name="line.95"></a>
<span class="sourceLineNo">096</span> calendar.set(Calendar.HOUR_OF_DAY, 0);<a name="line.96"></a>
<span class="sourceLineNo">097</span> calendar.set(Calendar.MINUTE, 0);<a name="line.97"></a>
<span class="sourceLineNo">098</span> calendar.set(Calendar.SECOND, 0);<a name="line.98"></a>
<span class="sourceLineNo">099</span> calendar.set(Calendar.MILLISECOND, 0);<a name="line.99"></a>
<span class="sourceLineNo">100</span> midnightToday = calendar.getTimeInMillis();<a name="line.100"></a>
<span class="sourceLineNo">101</span><a name="line.101"></a>
<span class="sourceLineNo">102</span> calendar.add(Calendar.DATE, 1);<a name="line.102"></a>
<span class="sourceLineNo">103</span> midnightTomorrow = calendar.getTimeInMillis();<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span><a name="line.105"></a>
<span class="sourceLineNo">106</span> /**<a name="line.106"></a>
<span class="sourceLineNo">107</span> * Package-protected for tests.<a name="line.107"></a>
<span class="sourceLineNo">108</span> *<a name="line.108"></a>
<span class="sourceLineNo">109</span> * @param currentTimeMillis the time to compare with the boundaries. May re-initialize the cached midnight<a name="line.109"></a>
<span class="sourceLineNo">110</span> * boundary values.<a name="line.110"></a>
<span class="sourceLineNo">111</span> * @return the action to perform<a name="line.111"></a>
<span class="sourceLineNo">112</span> */<a name="line.112"></a>
<span class="sourceLineNo">113</span> Result filter(final long currentTimeMillis) {<a name="line.113"></a>
<span class="sourceLineNo">114</span> if (currentTimeMillis &gt;= midnightTomorrow || currentTimeMillis &lt; midnightToday) {<a name="line.114"></a>
<span class="sourceLineNo">115</span> initMidnight(currentTimeMillis);<a name="line.115"></a>
<span class="sourceLineNo">116</span> }<a name="line.116"></a>
<span class="sourceLineNo">117</span> return currentTimeMillis &gt;= midnightToday + start &amp;&amp; currentTimeMillis &lt;= midnightToday + end //<a name="line.117"></a>
<span class="sourceLineNo">118</span> ? onMatch // within window<a name="line.118"></a>
<span class="sourceLineNo">119</span> : onMismatch;<a name="line.119"></a>
<span class="sourceLineNo">120</span> }<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span> @Override<a name="line.122"></a>
<span class="sourceLineNo">123</span> public Result filter(final LogEvent event) {<a name="line.123"></a>
<span class="sourceLineNo">124</span> return filter(event.getTimeMillis());<a name="line.124"></a>
<span class="sourceLineNo">125</span> }<a name="line.125"></a>
<span class="sourceLineNo">126</span><a name="line.126"></a>
<span class="sourceLineNo">127</span> private Result filter() {<a name="line.127"></a>
<span class="sourceLineNo">128</span> return filter(CLOCK.currentTimeMillis());<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> @Override<a name="line.131"></a>
<span class="sourceLineNo">132</span> public Result filter(final Logger logger, final Level level, final Marker marker, final Message msg,<a name="line.132"></a>
<span class="sourceLineNo">133</span> final Throwable t) {<a name="line.133"></a>
<span class="sourceLineNo">134</span> return filter();<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> @Override<a name="line.137"></a>
<span class="sourceLineNo">138</span> public Result filter(final Logger logger, final Level level, final Marker marker, final Object msg,<a name="line.138"></a>
<span class="sourceLineNo">139</span> final Throwable t) {<a name="line.139"></a>
<span class="sourceLineNo">140</span> return filter();<a name="line.140"></a>
<span class="sourceLineNo">141</span> }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span> @Override<a name="line.143"></a>
<span class="sourceLineNo">144</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.144"></a>
<span class="sourceLineNo">145</span> final Object... params) {<a name="line.145"></a>
<span class="sourceLineNo">146</span> return filter();<a name="line.146"></a>
<span class="sourceLineNo">147</span> }<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> @Override<a name="line.149"></a>
<span class="sourceLineNo">150</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.150"></a>
<span class="sourceLineNo">151</span> final Object p0) {<a name="line.151"></a>
<span class="sourceLineNo">152</span> return filter();<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 Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.156"></a>
<span class="sourceLineNo">157</span> final Object p0, final Object p1) {<a name="line.157"></a>
<span class="sourceLineNo">158</span> return filter();<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> @Override<a name="line.161"></a>
<span class="sourceLineNo">162</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.162"></a>
<span class="sourceLineNo">163</span> final Object p0, final Object p1, final Object p2) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> return filter();<a name="line.164"></a>
<span class="sourceLineNo">165</span> }<a name="line.165"></a>
<span class="sourceLineNo">166</span><a name="line.166"></a>
<span class="sourceLineNo">167</span> @Override<a name="line.167"></a>
<span class="sourceLineNo">168</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.168"></a>
<span class="sourceLineNo">169</span> final Object p0, final Object p1, final Object p2, final Object p3) {<a name="line.169"></a>
<span class="sourceLineNo">170</span> return filter();<a name="line.170"></a>
<span class="sourceLineNo">171</span> }<a name="line.171"></a>
<span class="sourceLineNo">172</span><a name="line.172"></a>
<span class="sourceLineNo">173</span> @Override<a name="line.173"></a>
<span class="sourceLineNo">174</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.174"></a>
<span class="sourceLineNo">175</span> final Object p0, final Object p1, final Object p2, final Object p3, final Object p4) {<a name="line.175"></a>
<span class="sourceLineNo">176</span> return filter();<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> @Override<a name="line.179"></a>
<span class="sourceLineNo">180</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.180"></a>
<span class="sourceLineNo">181</span> final Object p0, final Object p1, final Object p2, final Object p3, final Object p4, final Object p5) {<a name="line.181"></a>
<span class="sourceLineNo">182</span> return filter();<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 Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.186"></a>
<span class="sourceLineNo">187</span> final Object p0, final Object p1, final Object p2, final Object p3, final Object p4, final Object p5,<a name="line.187"></a>
<span class="sourceLineNo">188</span> final Object p6) {<a name="line.188"></a>
<span class="sourceLineNo">189</span> return filter();<a name="line.189"></a>
<span class="sourceLineNo">190</span> }<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
<span class="sourceLineNo">193</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.193"></a>
<span class="sourceLineNo">194</span> final Object p0, final Object p1, final Object p2, final Object p3, final Object p4, final Object p5,<a name="line.194"></a>
<span class="sourceLineNo">195</span> final Object p6, final Object p7) {<a name="line.195"></a>
<span class="sourceLineNo">196</span> return filter();<a name="line.196"></a>
<span class="sourceLineNo">197</span> }<a name="line.197"></a>
<span class="sourceLineNo">198</span><a name="line.198"></a>
<span class="sourceLineNo">199</span> @Override<a name="line.199"></a>
<span class="sourceLineNo">200</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.200"></a>
<span class="sourceLineNo">201</span> final Object p0, final Object p1, final Object p2, final Object p3, final Object p4, final Object p5,<a name="line.201"></a>
<span class="sourceLineNo">202</span> final Object p6, final Object p7, final Object p8) {<a name="line.202"></a>
<span class="sourceLineNo">203</span> return filter();<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> @Override<a name="line.206"></a>
<span class="sourceLineNo">207</span> public Result filter(final Logger logger, final Level level, final Marker marker, final String msg,<a name="line.207"></a>
<span class="sourceLineNo">208</span> final Object p0, final Object p1, final Object p2, final Object p3, final Object p4, final Object p5,<a name="line.208"></a>
<span class="sourceLineNo">209</span> final Object p6, final Object p7, final Object p8, final Object p9) {<a name="line.209"></a>
<span class="sourceLineNo">210</span> return filter();<a name="line.210"></a>
<span class="sourceLineNo">211</span> }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span> @Override<a name="line.213"></a>
<span class="sourceLineNo">214</span> public String toString() {<a name="line.214"></a>
<span class="sourceLineNo">215</span> final StringBuilder sb = new StringBuilder();<a name="line.215"></a>
<span class="sourceLineNo">216</span> sb.append("start=").append(start);<a name="line.216"></a>
<span class="sourceLineNo">217</span> sb.append(", end=").append(end);<a name="line.217"></a>
<span class="sourceLineNo">218</span> sb.append(", timezone=").append(timeZone.toString());<a name="line.218"></a>
<span class="sourceLineNo">219</span> return sb.toString();<a name="line.219"></a>
<span class="sourceLineNo">220</span> }<a name="line.220"></a>
<span class="sourceLineNo">221</span><a name="line.221"></a>
<span class="sourceLineNo">222</span> /**<a name="line.222"></a>
<span class="sourceLineNo">223</span> * Creates a TimeFilter.<a name="line.223"></a>
<span class="sourceLineNo">224</span> * @param start The start time.<a name="line.224"></a>
<span class="sourceLineNo">225</span> * @param end The end time.<a name="line.225"></a>
<span class="sourceLineNo">226</span> * @param tz timezone.<a name="line.226"></a>
<span class="sourceLineNo">227</span> * @param match Action to perform if the time matches.<a name="line.227"></a>
<span class="sourceLineNo">228</span> * @param mismatch Action to perform if the action does not match.<a name="line.228"></a>
<span class="sourceLineNo">229</span> * @return A TimeFilter.<a name="line.229"></a>
<span class="sourceLineNo">230</span> */<a name="line.230"></a>
<span class="sourceLineNo">231</span> // TODO Consider refactoring to use AbstractFilter.AbstractFilterBuilder<a name="line.231"></a>
<span class="sourceLineNo">232</span> @PluginFactory<a name="line.232"></a>
<span class="sourceLineNo">233</span> public static TimeFilter createFilter(<a name="line.233"></a>
<span class="sourceLineNo">234</span> @PluginAttribute("start") final String start,<a name="line.234"></a>
<span class="sourceLineNo">235</span> @PluginAttribute("end") final String end,<a name="line.235"></a>
<span class="sourceLineNo">236</span> @PluginAttribute("timezone") final String tz,<a name="line.236"></a>
<span class="sourceLineNo">237</span> @PluginAttribute("onMatch") final Result match,<a name="line.237"></a>
<span class="sourceLineNo">238</span> @PluginAttribute("onMismatch") final Result mismatch) {<a name="line.238"></a>
<span class="sourceLineNo">239</span> final long s = parseTimestamp(start, 0);<a name="line.239"></a>
<span class="sourceLineNo">240</span> final long e = parseTimestamp(end, Long.MAX_VALUE);<a name="line.240"></a>
<span class="sourceLineNo">241</span> final TimeZone timeZone = tz == null ? TimeZone.getDefault() : TimeZone.getTimeZone(tz);<a name="line.241"></a>
<span class="sourceLineNo">242</span> final Result onMatch = match == null ? Result.NEUTRAL : match;<a name="line.242"></a>
<span class="sourceLineNo">243</span> final Result onMismatch = mismatch == null ? Result.DENY : mismatch;<a name="line.243"></a>
<span class="sourceLineNo">244</span> return new TimeFilter(s, e, timeZone, onMatch, onMismatch);<a name="line.244"></a>
<span class="sourceLineNo">245</span> }<a name="line.245"></a>
<span class="sourceLineNo">246</span><a name="line.246"></a>
<span class="sourceLineNo">247</span> private static long parseTimestamp(final String timestamp, final long defaultValue) {<a name="line.247"></a>
<span class="sourceLineNo">248</span> if (timestamp == null) {<a name="line.248"></a>
<span class="sourceLineNo">249</span> return defaultValue;<a name="line.249"></a>
<span class="sourceLineNo">250</span> }<a name="line.250"></a>
<span class="sourceLineNo">251</span> final SimpleDateFormat stf = new SimpleDateFormat("HH:mm:ss");<a name="line.251"></a>
<span class="sourceLineNo">252</span> stf.setTimeZone(TimeZone.getTimeZone("UTC"));<a name="line.252"></a>
<span class="sourceLineNo">253</span> try {<a name="line.253"></a>
<span class="sourceLineNo">254</span> return stf.parse(timestamp).getTime();<a name="line.254"></a>
<span class="sourceLineNo">255</span> } catch (final ParseException e) {<a name="line.255"></a>
<span class="sourceLineNo">256</span> LOGGER.warn("Error parsing TimeFilter timestamp value {}", timestamp, e);<a name="line.256"></a>
<span class="sourceLineNo">257</span> return defaultValue;<a name="line.257"></a>
<span class="sourceLineNo">258</span> }<a name="line.258"></a>
<span class="sourceLineNo">259</span> }<a name="line.259"></a>
<span class="sourceLineNo">260</span><a name="line.260"></a>
<span class="sourceLineNo">261</span>}<a name="line.261"></a>
</pre>
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