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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.layout;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.HashMap;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.List;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.Map;<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>import javax.script.SimpleBindings;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.apache.logging.log4j.Logger;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.config.Configuration;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.config.Node;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.config.plugins.PluginBuilderAttribute;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.apache.logging.log4j.core.config.plugins.PluginBuilderFactory;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.apache.logging.log4j.core.config.plugins.PluginConfiguration;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.apache.logging.log4j.core.config.plugins.PluginElement;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.logging.log4j.core.impl.LocationAware;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.logging.log4j.core.pattern.PatternFormatter;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.apache.logging.log4j.core.pattern.PatternParser;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.apache.logging.log4j.core.script.AbstractScript;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.apache.logging.log4j.core.script.ScriptRef;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.apache.logging.log4j.status.StatusLogger;<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>/**<a name="line.41"></a>
<span class="sourceLineNo">042</span> * Selects the pattern to use based on the Marker in the LogEvent.<a name="line.42"></a>
<span class="sourceLineNo">043</span> */<a name="line.43"></a>
<span class="sourceLineNo">044</span>@Plugin(name = "ScriptPatternSelector", category = Node.CATEGORY, elementType = PatternSelector.ELEMENT_TYPE, printObject = true)<a name="line.44"></a>
<span class="sourceLineNo">045</span>public class ScriptPatternSelector implements PatternSelector, LocationAware {<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span> /**<a name="line.47"></a>
<span class="sourceLineNo">048</span> * Custom ScriptPatternSelector builder. Use the {@link #newBuilder() builder factory method} to create this.<a name="line.48"></a>
<span class="sourceLineNo">049</span> */<a name="line.49"></a>
<span class="sourceLineNo">050</span> public static class Builder implements org.apache.logging.log4j.core.util.Builder&lt;ScriptPatternSelector&gt; {<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> @PluginElement("Script")<a name="line.52"></a>
<span class="sourceLineNo">053</span> private AbstractScript script;<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span> @PluginElement("PatternMatch")<a name="line.55"></a>
<span class="sourceLineNo">056</span> private PatternMatch[] properties;<a name="line.56"></a>
<span class="sourceLineNo">057</span><a name="line.57"></a>
<span class="sourceLineNo">058</span> @PluginBuilderAttribute("defaultPattern")<a name="line.58"></a>
<span class="sourceLineNo">059</span> private String defaultPattern;<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> @PluginBuilderAttribute("alwaysWriteExceptions")<a name="line.61"></a>
<span class="sourceLineNo">062</span> private boolean alwaysWriteExceptions = true;<a name="line.62"></a>
<span class="sourceLineNo">063</span><a name="line.63"></a>
<span class="sourceLineNo">064</span> @PluginBuilderAttribute("disableAnsi")<a name="line.64"></a>
<span class="sourceLineNo">065</span> private boolean disableAnsi;<a name="line.65"></a>
<span class="sourceLineNo">066</span><a name="line.66"></a>
<span class="sourceLineNo">067</span> @PluginBuilderAttribute("noConsoleNoAnsi")<a name="line.67"></a>
<span class="sourceLineNo">068</span> private boolean noConsoleNoAnsi;<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span> @PluginConfiguration<a name="line.70"></a>
<span class="sourceLineNo">071</span> private Configuration configuration;<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span> private Builder() {<a name="line.73"></a>
<span class="sourceLineNo">074</span> // nothing<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> @Override<a name="line.77"></a>
<span class="sourceLineNo">078</span> public ScriptPatternSelector build() {<a name="line.78"></a>
<span class="sourceLineNo">079</span> if (script == null) {<a name="line.79"></a>
<span class="sourceLineNo">080</span> LOGGER.error("A Script, ScriptFile or ScriptRef element must be provided for this ScriptFilter");<a name="line.80"></a>
<span class="sourceLineNo">081</span> return null;<a name="line.81"></a>
<span class="sourceLineNo">082</span> }<a name="line.82"></a>
<span class="sourceLineNo">083</span> if (script instanceof ScriptRef) {<a name="line.83"></a>
<span class="sourceLineNo">084</span> if (configuration.getScriptManager().getScript(script.getName()) == null) {<a name="line.84"></a>
<span class="sourceLineNo">085</span> LOGGER.error("No script with name {} has been declared.", script.getName());<a name="line.85"></a>
<span class="sourceLineNo">086</span> return null;<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> if (defaultPattern == null) {<a name="line.89"></a>
<span class="sourceLineNo">090</span> defaultPattern = PatternLayout.DEFAULT_CONVERSION_PATTERN;<a name="line.90"></a>
<span class="sourceLineNo">091</span> }<a name="line.91"></a>
<span class="sourceLineNo">092</span> if (properties == null || properties.length == 0) {<a name="line.92"></a>
<span class="sourceLineNo">093</span> LOGGER.warn("No marker patterns were provided");<a name="line.93"></a>
<span class="sourceLineNo">094</span> return null;<a name="line.94"></a>
<span class="sourceLineNo">095</span> }<a name="line.95"></a>
<span class="sourceLineNo">096</span> return new ScriptPatternSelector(script, properties, defaultPattern, alwaysWriteExceptions, disableAnsi,<a name="line.96"></a>
<span class="sourceLineNo">097</span> noConsoleNoAnsi, configuration);<a name="line.97"></a>
<span class="sourceLineNo">098</span> }<a name="line.98"></a>
<span class="sourceLineNo">099</span><a name="line.99"></a>
<span class="sourceLineNo">100</span> public Builder setScript(final AbstractScript script) {<a name="line.100"></a>
<span class="sourceLineNo">101</span> this.script = script;<a name="line.101"></a>
<span class="sourceLineNo">102</span> return this;<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> public Builder setProperties(final PatternMatch[] properties) {<a name="line.105"></a>
<span class="sourceLineNo">106</span> this.properties = properties;<a name="line.106"></a>
<span class="sourceLineNo">107</span> return this;<a name="line.107"></a>
<span class="sourceLineNo">108</span> }<a name="line.108"></a>
<span class="sourceLineNo">109</span><a name="line.109"></a>
<span class="sourceLineNo">110</span> public Builder setDefaultPattern(final String defaultPattern) {<a name="line.110"></a>
<span class="sourceLineNo">111</span> this.defaultPattern = defaultPattern;<a name="line.111"></a>
<span class="sourceLineNo">112</span> return this;<a name="line.112"></a>
<span class="sourceLineNo">113</span> }<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span> public Builder setAlwaysWriteExceptions(final boolean alwaysWriteExceptions) {<a name="line.115"></a>
<span class="sourceLineNo">116</span> this.alwaysWriteExceptions = alwaysWriteExceptions;<a name="line.116"></a>
<span class="sourceLineNo">117</span> return this;<a name="line.117"></a>
<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span> public Builder setDisableAnsi(final boolean disableAnsi) {<a name="line.120"></a>
<span class="sourceLineNo">121</span> this.disableAnsi = disableAnsi;<a name="line.121"></a>
<span class="sourceLineNo">122</span> return this;<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
<span class="sourceLineNo">125</span> public Builder setNoConsoleNoAnsi(final boolean noConsoleNoAnsi) {<a name="line.125"></a>
<span class="sourceLineNo">126</span> this.noConsoleNoAnsi = noConsoleNoAnsi;<a name="line.126"></a>
<span class="sourceLineNo">127</span> return this;<a name="line.127"></a>
<span class="sourceLineNo">128</span> }<a name="line.128"></a>
<span class="sourceLineNo">129</span><a name="line.129"></a>
<span class="sourceLineNo">130</span> public Builder setConfiguration(final Configuration config) {<a name="line.130"></a>
<span class="sourceLineNo">131</span> this.configuration = config;<a name="line.131"></a>
<span class="sourceLineNo">132</span> return this;<a name="line.132"></a>
<span class="sourceLineNo">133</span> }<a name="line.133"></a>
<span class="sourceLineNo">134</span> }<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span> private final Map&lt;String, PatternFormatter[]&gt; formatterMap = new HashMap&lt;&gt;();<a name="line.136"></a>
<span class="sourceLineNo">137</span><a name="line.137"></a>
<span class="sourceLineNo">138</span> private final Map&lt;String, String&gt; patternMap = new HashMap&lt;&gt;();<a name="line.138"></a>
<span class="sourceLineNo">139</span><a name="line.139"></a>
<span class="sourceLineNo">140</span> private final PatternFormatter[] defaultFormatters;<a name="line.140"></a>
<span class="sourceLineNo">141</span><a name="line.141"></a>
<span class="sourceLineNo">142</span> private final String defaultPattern;<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span> private static Logger LOGGER = StatusLogger.getLogger();<a name="line.144"></a>
<span class="sourceLineNo">145</span> private final AbstractScript script;<a name="line.145"></a>
<span class="sourceLineNo">146</span> private final Configuration configuration;<a name="line.146"></a>
<span class="sourceLineNo">147</span> private final boolean requiresLocation;<a name="line.147"></a>
<span class="sourceLineNo">148</span><a name="line.148"></a>
<span class="sourceLineNo">149</span> /**<a name="line.149"></a>
<span class="sourceLineNo">150</span> * @deprecated Use {@link #newBuilder()} instead. This will be private in a future version.<a name="line.150"></a>
<span class="sourceLineNo">151</span> */<a name="line.151"></a>
<span class="sourceLineNo">152</span> @Deprecated<a name="line.152"></a>
<span class="sourceLineNo">153</span> public ScriptPatternSelector(final AbstractScript script, final PatternMatch[] properties, final String defaultPattern,<a name="line.153"></a>
<span class="sourceLineNo">154</span> final boolean alwaysWriteExceptions, final boolean disableAnsi,<a name="line.154"></a>
<span class="sourceLineNo">155</span> final boolean noConsoleNoAnsi, final Configuration config) {<a name="line.155"></a>
<span class="sourceLineNo">156</span> this.script = script;<a name="line.156"></a>
<span class="sourceLineNo">157</span> this.configuration = config;<a name="line.157"></a>
<span class="sourceLineNo">158</span> if (!(script instanceof ScriptRef)) {<a name="line.158"></a>
<span class="sourceLineNo">159</span> config.getScriptManager().addScript(script);<a name="line.159"></a>
<span class="sourceLineNo">160</span> }<a name="line.160"></a>
<span class="sourceLineNo">161</span> final PatternParser parser = PatternLayout.createPatternParser(config);<a name="line.161"></a>
<span class="sourceLineNo">162</span> boolean needsLocation = false;<a name="line.162"></a>
<span class="sourceLineNo">163</span> for (final PatternMatch property : properties) {<a name="line.163"></a>
<span class="sourceLineNo">164</span> try {<a name="line.164"></a>
<span class="sourceLineNo">165</span> final List&lt;PatternFormatter&gt; list = parser.parse(property.getPattern(), alwaysWriteExceptions, disableAnsi, noConsoleNoAnsi);<a name="line.165"></a>
<span class="sourceLineNo">166</span> PatternFormatter[] formatters = list.toArray(new PatternFormatter[0]);<a name="line.166"></a>
<span class="sourceLineNo">167</span> formatterMap.put(property.getKey(), formatters);<a name="line.167"></a>
<span class="sourceLineNo">168</span> patternMap.put(property.getKey(), property.getPattern());<a name="line.168"></a>
<span class="sourceLineNo">169</span> for (int i = 0; !needsLocation &amp;&amp; i &lt; formatters.length; ++i) {<a name="line.169"></a>
<span class="sourceLineNo">170</span> needsLocation = formatters[i].requiresLocation();<a name="line.170"></a>
<span class="sourceLineNo">171</span> }<a name="line.171"></a>
<span class="sourceLineNo">172</span> } catch (final RuntimeException ex) {<a name="line.172"></a>
<span class="sourceLineNo">173</span> throw new IllegalArgumentException("Cannot parse pattern '" + property.getPattern() + "'", ex);<a name="line.173"></a>
<span class="sourceLineNo">174</span> }<a name="line.174"></a>
<span class="sourceLineNo">175</span> }<a name="line.175"></a>
<span class="sourceLineNo">176</span> try {<a name="line.176"></a>
<span class="sourceLineNo">177</span> final List&lt;PatternFormatter&gt; list = parser.parse(defaultPattern, alwaysWriteExceptions, disableAnsi, noConsoleNoAnsi);<a name="line.177"></a>
<span class="sourceLineNo">178</span> defaultFormatters = list.toArray(new PatternFormatter[0]);<a name="line.178"></a>
<span class="sourceLineNo">179</span> this.defaultPattern = defaultPattern;<a name="line.179"></a>
<span class="sourceLineNo">180</span> for (int i = 0; !needsLocation &amp;&amp; i &lt; defaultFormatters.length; ++i) {<a name="line.180"></a>
<span class="sourceLineNo">181</span> needsLocation = defaultFormatters[i].requiresLocation();<a name="line.181"></a>
<span class="sourceLineNo">182</span> }<a name="line.182"></a>
<span class="sourceLineNo">183</span> } catch (final RuntimeException ex) {<a name="line.183"></a>
<span class="sourceLineNo">184</span> throw new IllegalArgumentException("Cannot parse pattern '" + defaultPattern + "'", ex);<a name="line.184"></a>
<span class="sourceLineNo">185</span> }<a name="line.185"></a>
<span class="sourceLineNo">186</span> this.requiresLocation = needsLocation;<a name="line.186"></a>
<span class="sourceLineNo">187</span> }<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span> @Override<a name="line.189"></a>
<span class="sourceLineNo">190</span> public boolean requiresLocation() {<a name="line.190"></a>
<span class="sourceLineNo">191</span> return requiresLocation;<a name="line.191"></a>
<span class="sourceLineNo">192</span> }<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span> @Override<a name="line.194"></a>
<span class="sourceLineNo">195</span> public PatternFormatter[] getFormatters(final LogEvent event) {<a name="line.195"></a>
<span class="sourceLineNo">196</span> final SimpleBindings bindings = new SimpleBindings();<a name="line.196"></a>
<span class="sourceLineNo">197</span> bindings.putAll(configuration.getProperties());<a name="line.197"></a>
<span class="sourceLineNo">198</span> bindings.put("substitutor", configuration.getStrSubstitutor());<a name="line.198"></a>
<span class="sourceLineNo">199</span> bindings.put("logEvent", event);<a name="line.199"></a>
<span class="sourceLineNo">200</span> final Object object = configuration.getScriptManager().execute(script.getName(), bindings);<a name="line.200"></a>
<span class="sourceLineNo">201</span> if (object == null) {<a name="line.201"></a>
<span class="sourceLineNo">202</span> return defaultFormatters;<a name="line.202"></a>
<span class="sourceLineNo">203</span> }<a name="line.203"></a>
<span class="sourceLineNo">204</span> final PatternFormatter[] patternFormatter = formatterMap.get(object.toString());<a name="line.204"></a>
<span class="sourceLineNo">205</span><a name="line.205"></a>
<span class="sourceLineNo">206</span> return patternFormatter == null ? defaultFormatters : patternFormatter;<a name="line.206"></a>
<span class="sourceLineNo">207</span> }<a name="line.207"></a>
<span class="sourceLineNo">208</span><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> * Creates a builder for a custom ScriptPatternSelector.<a name="line.211"></a>
<span class="sourceLineNo">212</span> *<a name="line.212"></a>
<span class="sourceLineNo">213</span> * @return a ScriptPatternSelector builder.<a name="line.213"></a>
<span class="sourceLineNo">214</span> */<a name="line.214"></a>
<span class="sourceLineNo">215</span> @PluginBuilderFactory<a name="line.215"></a>
<span class="sourceLineNo">216</span> public static Builder newBuilder() {<a name="line.216"></a>
<span class="sourceLineNo">217</span> return new Builder();<a name="line.217"></a>
<span class="sourceLineNo">218</span> }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span> /**<a name="line.220"></a>
<span class="sourceLineNo">221</span> * Deprecated, use {@link #newBuilder()} instead.<a name="line.221"></a>
<span class="sourceLineNo">222</span> *<a name="line.222"></a>
<span class="sourceLineNo">223</span> * @param script<a name="line.223"></a>
<span class="sourceLineNo">224</span> * @param properties<a name="line.224"></a>
<span class="sourceLineNo">225</span> * @param defaultPattern<a name="line.225"></a>
<span class="sourceLineNo">226</span> * @param alwaysWriteExceptions<a name="line.226"></a>
<span class="sourceLineNo">227</span> * @param noConsoleNoAnsi<a name="line.227"></a>
<span class="sourceLineNo">228</span> * @param configuration<a name="line.228"></a>
<span class="sourceLineNo">229</span> * @return a new ScriptPatternSelector<a name="line.229"></a>
<span class="sourceLineNo">230</span> * @deprecated Use {@link #newBuilder()} instead.<a name="line.230"></a>
<span class="sourceLineNo">231</span> */<a name="line.231"></a>
<span class="sourceLineNo">232</span> @Deprecated<a name="line.232"></a>
<span class="sourceLineNo">233</span> public static ScriptPatternSelector createSelector(<a name="line.233"></a>
<span class="sourceLineNo">234</span> final AbstractScript script,<a name="line.234"></a>
<span class="sourceLineNo">235</span> final PatternMatch[] properties,<a name="line.235"></a>
<span class="sourceLineNo">236</span> final String defaultPattern,<a name="line.236"></a>
<span class="sourceLineNo">237</span> final boolean alwaysWriteExceptions,<a name="line.237"></a>
<span class="sourceLineNo">238</span> final boolean noConsoleNoAnsi,<a name="line.238"></a>
<span class="sourceLineNo">239</span> final Configuration configuration) {<a name="line.239"></a>
<span class="sourceLineNo">240</span> final Builder builder = newBuilder();<a name="line.240"></a>
<span class="sourceLineNo">241</span> builder.setScript(script);<a name="line.241"></a>
<span class="sourceLineNo">242</span> builder.setProperties(properties);<a name="line.242"></a>
<span class="sourceLineNo">243</span> builder.setDefaultPattern(defaultPattern);<a name="line.243"></a>
<span class="sourceLineNo">244</span> builder.setAlwaysWriteExceptions(alwaysWriteExceptions);<a name="line.244"></a>
<span class="sourceLineNo">245</span> builder.setNoConsoleNoAnsi(noConsoleNoAnsi);<a name="line.245"></a>
<span class="sourceLineNo">246</span> builder.setConfiguration(configuration);<a name="line.246"></a>
<span class="sourceLineNo">247</span> return builder.build();<a name="line.247"></a>
<span class="sourceLineNo">248</span> }<a name="line.248"></a>
<span class="sourceLineNo">249</span><a name="line.249"></a>
<span class="sourceLineNo">250</span> @Override<a name="line.250"></a>
<span class="sourceLineNo">251</span> public String toString() {<a name="line.251"></a>
<span class="sourceLineNo">252</span> final StringBuilder sb = new StringBuilder();<a name="line.252"></a>
<span class="sourceLineNo">253</span> boolean first = true;<a name="line.253"></a>
<span class="sourceLineNo">254</span> for (final Map.Entry&lt;String, String&gt; entry : patternMap.entrySet()) {<a name="line.254"></a>
<span class="sourceLineNo">255</span> if (!first) {<a name="line.255"></a>
<span class="sourceLineNo">256</span> sb.append(", ");<a name="line.256"></a>
<span class="sourceLineNo">257</span> }<a name="line.257"></a>
<span class="sourceLineNo">258</span> sb.append("key=\"").append(entry.getKey()).append("\", pattern=\"").append(entry.getValue()).append("\"");<a name="line.258"></a>
<span class="sourceLineNo">259</span> first = false;<a name="line.259"></a>
<span class="sourceLineNo">260</span> }<a name="line.260"></a>
<span class="sourceLineNo">261</span> if (!first) {<a name="line.261"></a>
<span class="sourceLineNo">262</span> sb.append(", ");<a name="line.262"></a>
<span class="sourceLineNo">263</span> }<a name="line.263"></a>
<span class="sourceLineNo">264</span> sb.append("default=\"").append(defaultPattern).append("\"");<a name="line.264"></a>
<span class="sourceLineNo">265</span> return sb.toString();<a name="line.265"></a>
<span class="sourceLineNo">266</span> }<a name="line.266"></a>
<span class="sourceLineNo">267</span>}<a name="line.267"></a>
</pre>
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