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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.web;<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>// Please note that if you move this class, make sure to update the Interpolator class (if still applicable) or remove<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>// this comment if no longer relevant<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import javax.servlet.ServletContext;<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.core.LogEvent;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.logging.log4j.core.lookup.AbstractLookup;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.logging.log4j.util.Strings;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>@Plugin(name = "web", category = "Lookup")<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>public class WebLookup extends AbstractLookup {<a name="line.29"></a> |
| <span class="sourceLineNo">030</span> private static final String ATTR_PREFIX = "attr.";<a name="line.30"></a> |
| <span class="sourceLineNo">031</span> private static final String INIT_PARAM_PREFIX = "initParam.";<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span> @Override<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> public String lookup(final LogEvent event, final String key) {<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> final ServletContext ctx = WebLoggerContextUtils.getServletContext();<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> if (ctx == null) {<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> return null;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> }<a name="line.38"></a> |
| <span class="sourceLineNo">039</span><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> if (key.startsWith(ATTR_PREFIX)) {<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> final String attrName = key.substring(ATTR_PREFIX.length());<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> final Object attrValue = ctx.getAttribute(attrName);<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> return attrValue == null ? null : attrValue.toString();<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> }<a name="line.44"></a> |
| <span class="sourceLineNo">045</span><a name="line.45"></a> |
| <span class="sourceLineNo">046</span> if (key.startsWith(INIT_PARAM_PREFIX)) {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> final String paramName = key.substring(INIT_PARAM_PREFIX.length());<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> return ctx.getInitParameter(paramName);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> }<a name="line.49"></a> |
| <span class="sourceLineNo">050</span><a name="line.50"></a> |
| <span class="sourceLineNo">051</span> if ("rootDir".equals(key)) {<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> final String root = ctx.getRealPath("/");<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> if (root == null) {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> final String msg = "Failed to resolve web:rootDir -- " +<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> "servlet container unable to translate virtual path " +<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> " to real path (probably not deployed as exploded";<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> throw new IllegalStateException(msg);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> }<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> return root;<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> if ("contextPath".equals(key)) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> return ctx.getContextPath();<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span><a name="line.65"></a> |
| <span class="sourceLineNo">066</span> if ("servletContextName".equals(key)) {<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> return ctx.getServletContextName();<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> }<a name="line.68"></a> |
| <span class="sourceLineNo">069</span><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> if ("serverInfo".equals(key)) {<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> return ctx.getServerInfo();<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> }<a name="line.72"></a> |
| <span class="sourceLineNo">073</span><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> if ("effectiveMajorVersion".equals(key)) {<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> return String.valueOf(ctx.getEffectiveMajorVersion());<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> }<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> if ("effectiveMinorVersion".equals(key)) {<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> return String.valueOf(ctx.getEffectiveMinorVersion());<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> if ("majorVersion".equals(key)) {<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> return String.valueOf(ctx.getMajorVersion());<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> if ("minorVersion".equals(key)) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> return String.valueOf(ctx.getMinorVersion());<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> if (ctx.getAttribute(key) != null) {<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> return ctx.getAttribute(key).toString();<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> if (ctx.getInitParameter(key) != null) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> return ctx.getInitParameter(key);<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> }<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> ctx.log(getClass().getName() + " unable to resolve key " + Strings.quote(key));<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> return null;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> }<a name="line.100"></a> |
| <span class="sourceLineNo">101</span>}<a name="line.101"></a> |
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| </pre> |
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