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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.lookup;<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.Locale;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Map;<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.Logger;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.logging.log4j.core.LogEvent;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.logging.log4j.core.config.ConfigurationAware;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.logging.log4j.core.config.plugins.util.PluginManager;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.logging.log4j.core.config.plugins.util.PluginType;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.logging.log4j.core.util.Loader;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.logging.log4j.core.util.ReflectionUtil;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.logging.log4j.status.StatusLogger;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.logging.log4j.util.Constants;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span><a name="line.33"></a> |
| <span class="sourceLineNo">034</span>/**<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * Proxies all the other {@link StrLookup}s.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> */<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>public class Interpolator extends AbstractConfigurationAwareLookup {<a name="line.37"></a> |
| <span class="sourceLineNo">038</span><a name="line.38"></a> |
| <span class="sourceLineNo">039</span> private static final String LOOKUP_KEY_WEB = "web";<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> private static final String LOOKUP_KEY_DOCKER = "docker";<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> private static final String LOOKUP_KEY_KUBERNETES = "kubernetes";<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private static final String LOOKUP_KEY_SPRING = "spring";<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private static final String LOOKUP_KEY_JNDI = "jndi";<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private static final String LOOKUP_KEY_JVMRUNARGS = "jvmrunargs";<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> /** Constant for the prefix separator. */<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> private static final char PREFIX_SEPARATOR = ':';<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private final Map<String, StrLookup> strLookupMap = new HashMap<>();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private final StrLookup defaultLookup;<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public Interpolator(final StrLookup defaultLookup) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> this(defaultLookup, null);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> }<a name="line.62"></a> |
| <span class="sourceLineNo">063</span><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> /**<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> * Constructs an Interpolator using a given StrLookup and a list of packages to find Lookup plugins in.<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> *<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * @param defaultLookup the default StrLookup to use as a fallback<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * @param pluginPackages a list of packages to scan for Lookup plugins<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @since 2.1<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> public Interpolator(final StrLookup defaultLookup, final List<String> pluginPackages) {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> this.defaultLookup = defaultLookup == null ? new MapLookup(new HashMap<String, String>()) : defaultLookup;<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> final PluginManager manager = new PluginManager(CATEGORY);<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> manager.collectPlugins(pluginPackages);<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> final Map<String, PluginType<?>> plugins = manager.getPlugins();<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> for (final Map.Entry<String, PluginType<?>> entry : plugins.entrySet()) {<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> try {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> final Class<? extends StrLookup> clazz = entry.getValue().getPluginClass().asSubclass(StrLookup.class);<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> strLookupMap.put(entry.getKey().toLowerCase(), ReflectionUtil.instantiate(clazz));<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> } catch (final Throwable t) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> handleError(entry.getKey(), t);<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> }<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> /**<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> * Create the default Interpolator using only Lookups that work without an event.<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> */<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> public Interpolator() {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> this((Map<String, String>) null);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> }<a name="line.92"></a> |
| <span class="sourceLineNo">093</span><a name="line.93"></a> |
| <span class="sourceLineNo">094</span> /**<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * Creates the Interpolator using only Lookups that work without an event and initial properties.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public Interpolator(final Map<String, String> properties) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> this.defaultLookup = new MapLookup(properties == null ? new HashMap<String, String>() : properties);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // TODO: this ought to use the PluginManager<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> strLookupMap.put("log4j", new Log4jLookup());<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> strLookupMap.put("sys", new SystemPropertiesLookup());<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> strLookupMap.put("env", new EnvironmentLookup());<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> strLookupMap.put("main", MainMapLookup.MAIN_SINGLETON);<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> strLookupMap.put("marker", new MarkerLookup());<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> strLookupMap.put("java", new JavaLookup());<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> strLookupMap.put("lower", new LowerLookup());<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> strLookupMap.put("upper", new UpperLookup());<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> // JNDI<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> try {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> // [LOG4J2-703] We might be on Android<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> strLookupMap.put(LOOKUP_KEY_JNDI,<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> Loader.newCheckedInstanceOf("org.apache.logging.log4j.core.lookup.JndiLookup", StrLookup.class));<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> } catch (final LinkageError | Exception e) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> handleError(LOOKUP_KEY_JNDI, e);<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> // JMX input args<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> try {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> // We might be on Android<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> strLookupMap.put(LOOKUP_KEY_JVMRUNARGS,<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> Loader.newCheckedInstanceOf("org.apache.logging.log4j.core.lookup.JmxRuntimeInputArgumentsLookup",<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> StrLookup.class));<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> } catch (final LinkageError | Exception e) {<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> handleError(LOOKUP_KEY_JVMRUNARGS, e);<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> strLookupMap.put("date", new DateLookup());<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> strLookupMap.put("ctx", new ContextMapLookup());<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> if (Constants.IS_WEB_APP) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> try {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> strLookupMap.put(LOOKUP_KEY_WEB,<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> Loader.newCheckedInstanceOf("org.apache.logging.log4j.web.WebLookup", StrLookup.class));<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> } catch (final Exception ignored) {<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> handleError(LOOKUP_KEY_WEB, ignored);<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> } else {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> LOGGER.debug("Not in a ServletContext environment, thus not loading WebLookup plugin.");<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> }<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> try {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> strLookupMap.put(LOOKUP_KEY_DOCKER,<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> Loader.newCheckedInstanceOf("org.apache.logging.log4j.docker.DockerLookup", StrLookup.class));<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> } catch (final Exception ignored) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> handleError(LOOKUP_KEY_DOCKER, ignored);<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> }<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> try {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> strLookupMap.put(LOOKUP_KEY_SPRING,<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> Loader.newCheckedInstanceOf("org.apache.logging.log4j.spring.cloud.config.client.SpringLookup", StrLookup.class));<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> } catch (final Exception ignored) {<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> handleError(LOOKUP_KEY_SPRING, ignored);<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> }<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> try {<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> strLookupMap.put(LOOKUP_KEY_KUBERNETES,<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> Loader.newCheckedInstanceOf("org.apache.logging.log4j.kubernetes.KubernetesLookup", StrLookup.class));<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> } catch (final Exception ignored) {<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> handleError(LOOKUP_KEY_KUBERNETES, ignored);<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> } catch (final NoClassDefFoundError error) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> handleError(LOOKUP_KEY_KUBERNETES, error);<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> }<a name="line.157"></a> |
| <span class="sourceLineNo">158</span><a name="line.158"></a> |
| <span class="sourceLineNo">159</span> public Map<String, StrLookup> getStrLookupMap() {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> return strLookupMap;<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> private void handleError(final String lookupKey, final Throwable t) {<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> switch (lookupKey) {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> case LOOKUP_KEY_JNDI:<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> // java.lang.VerifyError: org/apache/logging/log4j/core/lookup/JndiLookup<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> LOGGER.warn( // LOG4J2-1582 don't print the whole stack trace (it is just a warning...)<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> "JNDI lookup class is not available because this JRE does not support JNDI." +<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> " JNDI string lookups will not be available, continuing configuration. Ignoring " + t);<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> break;<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> case LOOKUP_KEY_JVMRUNARGS:<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> // java.lang.VerifyError: org/apache/logging/log4j/core/lookup/JmxRuntimeInputArgumentsLookup<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> LOGGER.warn(<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> "JMX runtime input lookup class is not available because this JRE does not support JMX. " +<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> "JMX lookups will not be available, continuing configuration. Ignoring " + t);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> break;<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> case LOOKUP_KEY_WEB:<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> LOGGER.info("Log4j appears to be running in a Servlet environment, but there's no log4j-web module " +<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> "available. If you want better web container support, please add the log4j-web JAR to your " +<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> "web archive or server lib directory.");<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> break;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> case LOOKUP_KEY_DOCKER: case LOOKUP_KEY_SPRING:<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> break;<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> case LOOKUP_KEY_KUBERNETES:<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> if (t instanceof NoClassDefFoundError) {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> LOGGER.warn("Unable to create Kubernetes lookup due to missing dependency: {}", t.getMessage());<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> }<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> break;<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> default:<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> LOGGER.error("Unable to create Lookup for {}", lookupKey, t);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<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> /**<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * Resolves the specified variable. This implementation will try to extract<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> * a variable prefix from the given variable name (the first colon (':') is<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> * used as prefix separator). It then passes the name of the variable with<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> * the prefix stripped to the lookup object registered for this prefix. If<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> * no prefix can be found or if the associated lookup object cannot resolve<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> * this variable, the default lookup object will be used.<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> *<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> * @param event The current LogEvent or null.<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> * @param var the name of the variable whose value is to be looked up<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> * @return the value of this variable or <b>null</b> if it cannot be<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> * resolved<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> */<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> @Override<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> public String lookup(final LogEvent event, String var) {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> if (var == null) {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> return null;<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> final int prefixPos = var.indexOf(PREFIX_SEPARATOR);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> if (prefixPos >= 0) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> final String prefix = var.substring(0, prefixPos).toLowerCase(Locale.US);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> final String name = var.substring(prefixPos + 1);<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> final StrLookup lookup = strLookupMap.get(prefix);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> if (lookup instanceof ConfigurationAware) {<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> ((ConfigurationAware) lookup).setConfiguration(configuration);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> }<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> String value = null;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> if (lookup != null) {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> value = event == null ? lookup.lookup(name) : lookup.lookup(event, name);<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> if (value != null) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> return value;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> var = var.substring(prefixPos + 1);<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (defaultLookup != null) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return event == null ? defaultLookup.lookup(var) : defaultLookup.lookup(event, var);<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> return null;<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> @Override<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> public String toString() {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> final StringBuilder sb = new StringBuilder();<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> for (final String name : strLookupMap.keySet()) {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> if (sb.length() == 0) {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> sb.append('{');<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> } else {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> sb.append(", ");<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> sb.append(name);<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> }<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> if (sb.length() > 0) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> sb.append('}');<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> }<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> return sb.toString();<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>}<a name="line.255"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
