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| <FONT color="green">001</FONT> /*<a name="line.1"></a> |
| <FONT color="green">002</FONT> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a> |
| <FONT color="green">003</FONT> * contributor license agreements. See the NOTICE file distributed with<a name="line.3"></a> |
| <FONT color="green">004</FONT> * this work for additional information regarding copyright ownership.<a name="line.4"></a> |
| <FONT color="green">005</FONT> * The ASF licenses this file to You under the Apache license, Version 2.0<a name="line.5"></a> |
| <FONT color="green">006</FONT> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a> |
| <FONT color="green">007</FONT> * the License. You may obtain a copy of the License at<a name="line.7"></a> |
| <FONT color="green">008</FONT> *<a name="line.8"></a> |
| <FONT color="green">009</FONT> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a> |
| <FONT color="green">010</FONT> *<a name="line.10"></a> |
| <FONT color="green">011</FONT> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a> |
| <FONT color="green">012</FONT> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a> |
| <FONT color="green">013</FONT> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a> |
| <FONT color="green">014</FONT> * See the license for the specific language governing permissions and<a name="line.14"></a> |
| <FONT color="green">015</FONT> * limitations under the license.<a name="line.15"></a> |
| <FONT color="green">016</FONT> */<a name="line.16"></a> |
| <FONT color="green">017</FONT> package org.apache.logging.log4j.core.config;<a name="line.17"></a> |
| <FONT color="green">018</FONT> <a name="line.18"></a> |
| <FONT color="green">019</FONT> import org.apache.logging.log4j.Level;<a name="line.19"></a> |
| <FONT color="green">020</FONT> import org.apache.logging.log4j.core.Appender;<a name="line.20"></a> |
| <FONT color="green">021</FONT> import org.apache.logging.log4j.core.Filter;<a name="line.21"></a> |
| <FONT color="green">022</FONT> import org.apache.logging.log4j.core.Lifecycle;<a name="line.22"></a> |
| <FONT color="green">023</FONT> import org.apache.logging.log4j.core.LogEvent;<a name="line.23"></a> |
| <FONT color="green">024</FONT> import org.apache.logging.log4j.core.appender.AppenderRuntimeException;<a name="line.24"></a> |
| <FONT color="green">025</FONT> import org.apache.logging.log4j.core.filter.Filterable;<a name="line.25"></a> |
| <FONT color="green">026</FONT> import org.apache.logging.log4j.core.filter.Filtering;<a name="line.26"></a> |
| <FONT color="green">027</FONT> <a name="line.27"></a> |
| <FONT color="green">028</FONT> /**<a name="line.28"></a> |
| <FONT color="green">029</FONT> * Wraps appenders with details the appender implementation shouldn't need to know about.<a name="line.29"></a> |
| <FONT color="green">030</FONT> */<a name="line.30"></a> |
| <FONT color="green">031</FONT> public class AppenderControl extends Filterable {<a name="line.31"></a> |
| <FONT color="green">032</FONT> <a name="line.32"></a> |
| <FONT color="green">033</FONT> private ThreadLocal<AppenderControl> recursive = new ThreadLocal<AppenderControl>();<a name="line.33"></a> |
| <FONT color="green">034</FONT> <a name="line.34"></a> |
| <FONT color="green">035</FONT> private final Appender appender;<a name="line.35"></a> |
| <FONT color="green">036</FONT> <a name="line.36"></a> |
| <FONT color="green">037</FONT> private final Level level;<a name="line.37"></a> |
| <FONT color="green">038</FONT> private final int intLevel;<a name="line.38"></a> |
| <FONT color="green">039</FONT> <a name="line.39"></a> |
| <FONT color="green">040</FONT> /**<a name="line.40"></a> |
| <FONT color="green">041</FONT> * Constructor.<a name="line.41"></a> |
| <FONT color="green">042</FONT> * @param appender The target Appender.<a name="line.42"></a> |
| <FONT color="green">043</FONT> * @param level the Level to filter on.<a name="line.43"></a> |
| <FONT color="green">044</FONT> * @param filter the Filter(s) to apply.<a name="line.44"></a> |
| <FONT color="green">045</FONT> */<a name="line.45"></a> |
| <FONT color="green">046</FONT> public AppenderControl(Appender appender, Level level, Filter filter) {<a name="line.46"></a> |
| <FONT color="green">047</FONT> super(filter);<a name="line.47"></a> |
| <FONT color="green">048</FONT> this.appender = appender;<a name="line.48"></a> |
| <FONT color="green">049</FONT> this.level = level;<a name="line.49"></a> |
| <FONT color="green">050</FONT> this.intLevel = level == null ? Level.ALL.intLevel() : level.intLevel();<a name="line.50"></a> |
| <FONT color="green">051</FONT> startFilter();<a name="line.51"></a> |
| <FONT color="green">052</FONT> }<a name="line.52"></a> |
| <FONT color="green">053</FONT> <a name="line.53"></a> |
| <FONT color="green">054</FONT> /**<a name="line.54"></a> |
| <FONT color="green">055</FONT> * Return the Appender.<a name="line.55"></a> |
| <FONT color="green">056</FONT> * @return the Appender.<a name="line.56"></a> |
| <FONT color="green">057</FONT> */<a name="line.57"></a> |
| <FONT color="green">058</FONT> public Appender getAppender() {<a name="line.58"></a> |
| <FONT color="green">059</FONT> return appender;<a name="line.59"></a> |
| <FONT color="green">060</FONT> }<a name="line.60"></a> |
| <FONT color="green">061</FONT> <a name="line.61"></a> |
| <FONT color="green">062</FONT> /**<a name="line.62"></a> |
| <FONT color="green">063</FONT> * Call the appender.<a name="line.63"></a> |
| <FONT color="green">064</FONT> * @param event The event to process.<a name="line.64"></a> |
| <FONT color="green">065</FONT> */<a name="line.65"></a> |
| <FONT color="green">066</FONT> public void callAppender(LogEvent event) {<a name="line.66"></a> |
| <FONT color="green">067</FONT> if (getFilter() != null) {<a name="line.67"></a> |
| <FONT color="green">068</FONT> Filter.Result r = getFilter().filter(event);<a name="line.68"></a> |
| <FONT color="green">069</FONT> if (r == Filter.Result.DENY) {<a name="line.69"></a> |
| <FONT color="green">070</FONT> return;<a name="line.70"></a> |
| <FONT color="green">071</FONT> }<a name="line.71"></a> |
| <FONT color="green">072</FONT> }<a name="line.72"></a> |
| <FONT color="green">073</FONT> if (level != null) {<a name="line.73"></a> |
| <FONT color="green">074</FONT> if (intLevel < event.getLevel().intLevel()) {<a name="line.74"></a> |
| <FONT color="green">075</FONT> return;<a name="line.75"></a> |
| <FONT color="green">076</FONT> }<a name="line.76"></a> |
| <FONT color="green">077</FONT> }<a name="line.77"></a> |
| <FONT color="green">078</FONT> if (recursive.get() != null) {<a name="line.78"></a> |
| <FONT color="green">079</FONT> appender.getHandler().error("Recursive call to appender " + appender.getName());<a name="line.79"></a> |
| <FONT color="green">080</FONT> return;<a name="line.80"></a> |
| <FONT color="green">081</FONT> }<a name="line.81"></a> |
| <FONT color="green">082</FONT> try {<a name="line.82"></a> |
| <FONT color="green">083</FONT> recursive.set(this);<a name="line.83"></a> |
| <FONT color="green">084</FONT> <a name="line.84"></a> |
| <FONT color="green">085</FONT> if (appender instanceof Lifecycle && !appender.isStarted()) {<a name="line.85"></a> |
| <FONT color="green">086</FONT> appender.getHandler().error("Attempted to append to non-started appender " + appender.getName());<a name="line.86"></a> |
| <FONT color="green">087</FONT> <a name="line.87"></a> |
| <FONT color="green">088</FONT> if (!appender.isExceptionSuppressed()) {<a name="line.88"></a> |
| <FONT color="green">089</FONT> throw new AppenderRuntimeException(<a name="line.89"></a> |
| <FONT color="green">090</FONT> "Attempted to append to non-started appender " + appender.getName());<a name="line.90"></a> |
| <FONT color="green">091</FONT> }<a name="line.91"></a> |
| <FONT color="green">092</FONT> }<a name="line.92"></a> |
| <FONT color="green">093</FONT> <a name="line.93"></a> |
| <FONT color="green">094</FONT> if (appender instanceof Filtering && ((Filtering) appender).isFiltered(event)) {<a name="line.94"></a> |
| <FONT color="green">095</FONT> return;<a name="line.95"></a> |
| <FONT color="green">096</FONT> }<a name="line.96"></a> |
| <FONT color="green">097</FONT> <a name="line.97"></a> |
| <FONT color="green">098</FONT> try {<a name="line.98"></a> |
| <FONT color="green">099</FONT> appender.append(event);<a name="line.99"></a> |
| <FONT color="green">100</FONT> } catch (RuntimeException ex) {<a name="line.100"></a> |
| <FONT color="green">101</FONT> appender.getHandler().error("An exception occurred processing Appender " + appender.getName(), ex);<a name="line.101"></a> |
| <FONT color="green">102</FONT> if (!appender.isExceptionSuppressed()) {<a name="line.102"></a> |
| <FONT color="green">103</FONT> throw ex;<a name="line.103"></a> |
| <FONT color="green">104</FONT> }<a name="line.104"></a> |
| <FONT color="green">105</FONT> } catch (Exception ex) {<a name="line.105"></a> |
| <FONT color="green">106</FONT> appender.getHandler().error("An exception occurred processing Appender " + appender.getName(), ex);<a name="line.106"></a> |
| <FONT color="green">107</FONT> if (!appender.isExceptionSuppressed()) {<a name="line.107"></a> |
| <FONT color="green">108</FONT> throw new AppenderRuntimeException(ex);<a name="line.108"></a> |
| <FONT color="green">109</FONT> }<a name="line.109"></a> |
| <FONT color="green">110</FONT> }<a name="line.110"></a> |
| <FONT color="green">111</FONT> } finally {<a name="line.111"></a> |
| <FONT color="green">112</FONT> recursive.set(null);<a name="line.112"></a> |
| <FONT color="green">113</FONT> }<a name="line.113"></a> |
| <FONT color="green">114</FONT> }<a name="line.114"></a> |
| <FONT color="green">115</FONT> <a name="line.115"></a> |
| <FONT color="green">116</FONT> }<a name="line.116"></a> |
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| </PRE> |
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