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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.pattern;<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.core.LogEvent;<a name="line.19"></a>
<FONT color="green">020</FONT>    import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.apache.logging.log4j.core.impl.ThrowableProxy;<a name="line.21"></a>
<FONT color="green">022</FONT>    <a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>    /**<a name="line.24"></a>
<FONT color="green">025</FONT>     * Outputs the Throwable portion of the LoggingEvent as a full stacktrace<a name="line.25"></a>
<FONT color="green">026</FONT>     * unless this converter's option is 'short', where it just outputs the first line of the trace, or if<a name="line.26"></a>
<FONT color="green">027</FONT>     * the number of lines to print is explicitly specified.<a name="line.27"></a>
<FONT color="green">028</FONT>     * &lt;p&gt;<a name="line.28"></a>
<FONT color="green">029</FONT>     * The extended stack trace will also include the location of where the class was loaded from and the<a name="line.29"></a>
<FONT color="green">030</FONT>     * version of the jar if available.<a name="line.30"></a>
<FONT color="green">031</FONT>     */<a name="line.31"></a>
<FONT color="green">032</FONT>    @Plugin(name = "RootThrowablePatternConverter", type = "Converter")<a name="line.32"></a>
<FONT color="green">033</FONT>    @ConverterKeys({"rEx", "rThrowable", "rException" })<a name="line.33"></a>
<FONT color="green">034</FONT>    public final class RootThrowablePatternConverter extends ThrowablePatternConverter {<a name="line.34"></a>
<FONT color="green">035</FONT>        /**<a name="line.35"></a>
<FONT color="green">036</FONT>         * Private constructor.<a name="line.36"></a>
<FONT color="green">037</FONT>         *<a name="line.37"></a>
<FONT color="green">038</FONT>         * @param options options, may be null.<a name="line.38"></a>
<FONT color="green">039</FONT>         */<a name="line.39"></a>
<FONT color="green">040</FONT>        private RootThrowablePatternConverter(final String[] options) {<a name="line.40"></a>
<FONT color="green">041</FONT>            super("RootThrowable", "throwable", options);<a name="line.41"></a>
<FONT color="green">042</FONT>        }<a name="line.42"></a>
<FONT color="green">043</FONT>    <a name="line.43"></a>
<FONT color="green">044</FONT>        /**<a name="line.44"></a>
<FONT color="green">045</FONT>         * Gets an instance of the class.<a name="line.45"></a>
<FONT color="green">046</FONT>         *<a name="line.46"></a>
<FONT color="green">047</FONT>         * @param options pattern options, may be null.  If first element is "short",<a name="line.47"></a>
<FONT color="green">048</FONT>         *                only the first line of the throwable will be formatted.<a name="line.48"></a>
<FONT color="green">049</FONT>         * @return instance of class.<a name="line.49"></a>
<FONT color="green">050</FONT>         */<a name="line.50"></a>
<FONT color="green">051</FONT>        public static RootThrowablePatternConverter newInstance(<a name="line.51"></a>
<FONT color="green">052</FONT>            final String[] options) {<a name="line.52"></a>
<FONT color="green">053</FONT>            return new RootThrowablePatternConverter(options);<a name="line.53"></a>
<FONT color="green">054</FONT>        }<a name="line.54"></a>
<FONT color="green">055</FONT>    <a name="line.55"></a>
<FONT color="green">056</FONT>        /**<a name="line.56"></a>
<FONT color="green">057</FONT>         * {@inheritDoc}<a name="line.57"></a>
<FONT color="green">058</FONT>         */<a name="line.58"></a>
<FONT color="green">059</FONT>        public void format(final LogEvent event, final StringBuilder toAppendTo) {<a name="line.59"></a>
<FONT color="green">060</FONT>            Throwable throwable = event.getThrown();<a name="line.60"></a>
<FONT color="green">061</FONT>            if (throwable != null) {<a name="line.61"></a>
<FONT color="green">062</FONT>                if (!(throwable instanceof ThrowableProxy)) {<a name="line.62"></a>
<FONT color="green">063</FONT>                    super.format(event, toAppendTo);<a name="line.63"></a>
<FONT color="green">064</FONT>                    return;<a name="line.64"></a>
<FONT color="green">065</FONT>                }<a name="line.65"></a>
<FONT color="green">066</FONT>                ThrowableProxy t = (ThrowableProxy) throwable;<a name="line.66"></a>
<FONT color="green">067</FONT>                String trace = t.getRootCauseStackTrace();<a name="line.67"></a>
<FONT color="green">068</FONT>                int len = toAppendTo.length();<a name="line.68"></a>
<FONT color="green">069</FONT>                if (len &gt; 0 &amp;&amp; !Character.isWhitespace(toAppendTo.charAt(len - 1))) {<a name="line.69"></a>
<FONT color="green">070</FONT>                    toAppendTo.append(" ");<a name="line.70"></a>
<FONT color="green">071</FONT>                }<a name="line.71"></a>
<FONT color="green">072</FONT>                if (lines &gt; 0) {<a name="line.72"></a>
<FONT color="green">073</FONT>                    StringBuilder sb = new StringBuilder();<a name="line.73"></a>
<FONT color="green">074</FONT>                    String[] array = trace.split("\n");<a name="line.74"></a>
<FONT color="green">075</FONT>                    for (int i = 0; i &lt; lines; ++i) {<a name="line.75"></a>
<FONT color="green">076</FONT>                        sb.append(array[i]).append("\n");<a name="line.76"></a>
<FONT color="green">077</FONT>                    }<a name="line.77"></a>
<FONT color="green">078</FONT>                    toAppendTo.append(sb.toString());<a name="line.78"></a>
<FONT color="green">079</FONT>    <a name="line.79"></a>
<FONT color="green">080</FONT>                } else {<a name="line.80"></a>
<FONT color="green">081</FONT>                    toAppendTo.append(trace);<a name="line.81"></a>
<FONT color="green">082</FONT>                }<a name="line.82"></a>
<FONT color="green">083</FONT>            }<a name="line.83"></a>
<FONT color="green">084</FONT>        }<a name="line.84"></a>
<FONT color="green">085</FONT>    }<a name="line.85"></a>


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