<HTML>
<BODY BGCOLOR="white">
<PRE>
<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.appender;<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.Logger;<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.ErrorHandler;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.apache.logging.log4j.core.LogEvent;<a name="line.22"></a>
<FONT color="green">023</FONT>    import org.apache.logging.log4j.status.StatusLogger;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    /**<a name="line.25"></a>
<FONT color="green">026</FONT>     *<a name="line.26"></a>
<FONT color="green">027</FONT>     */<a name="line.27"></a>
<FONT color="green">028</FONT>    public class DefaultErrorHandler implements ErrorHandler {<a name="line.28"></a>
<FONT color="green">029</FONT>    <a name="line.29"></a>
<FONT color="green">030</FONT>        private static final Logger LOGGER = StatusLogger.getLogger();<a name="line.30"></a>
<FONT color="green">031</FONT>    <a name="line.31"></a>
<FONT color="green">032</FONT>        private static final int MAX_EXCEPTIONS = 3;<a name="line.32"></a>
<FONT color="green">033</FONT>    <a name="line.33"></a>
<FONT color="green">034</FONT>        private static final int EXCEPTION_INTERVAL = 300000;<a name="line.34"></a>
<FONT color="green">035</FONT>    <a name="line.35"></a>
<FONT color="green">036</FONT>        private int exceptionCount = 0;<a name="line.36"></a>
<FONT color="green">037</FONT>    <a name="line.37"></a>
<FONT color="green">038</FONT>        private long lastException;<a name="line.38"></a>
<FONT color="green">039</FONT>    <a name="line.39"></a>
<FONT color="green">040</FONT>        private Appender appender;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>        public DefaultErrorHandler(Appender appender) {<a name="line.42"></a>
<FONT color="green">043</FONT>            this.appender = appender;<a name="line.43"></a>
<FONT color="green">044</FONT>        }<a name="line.44"></a>
<FONT color="green">045</FONT>    <a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        /**<a name="line.47"></a>
<FONT color="green">048</FONT>         * Handle an error with a message.<a name="line.48"></a>
<FONT color="green">049</FONT>         * @param msg The message.<a name="line.49"></a>
<FONT color="green">050</FONT>         */<a name="line.50"></a>
<FONT color="green">051</FONT>        public void error(String msg) {<a name="line.51"></a>
<FONT color="green">052</FONT>            long current = System.currentTimeMillis();<a name="line.52"></a>
<FONT color="green">053</FONT>            if (lastException + EXCEPTION_INTERVAL &lt; current || exceptionCount++ &lt; MAX_EXCEPTIONS) {<a name="line.53"></a>
<FONT color="green">054</FONT>                LOGGER.error(msg);<a name="line.54"></a>
<FONT color="green">055</FONT>            }<a name="line.55"></a>
<FONT color="green">056</FONT>            lastException = current;<a name="line.56"></a>
<FONT color="green">057</FONT>        }<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>        /**<a name="line.59"></a>
<FONT color="green">060</FONT>         * Handle an error with a message and an exception.<a name="line.60"></a>
<FONT color="green">061</FONT>         * @param msg The message.<a name="line.61"></a>
<FONT color="green">062</FONT>         * @param t The Throwable.<a name="line.62"></a>
<FONT color="green">063</FONT>         */<a name="line.63"></a>
<FONT color="green">064</FONT>        public void error(String msg, Throwable t) {<a name="line.64"></a>
<FONT color="green">065</FONT>            long current = System.currentTimeMillis();<a name="line.65"></a>
<FONT color="green">066</FONT>            if (lastException + EXCEPTION_INTERVAL &lt; current || exceptionCount++ &lt; MAX_EXCEPTIONS) {<a name="line.66"></a>
<FONT color="green">067</FONT>                LOGGER.error(msg, t);<a name="line.67"></a>
<FONT color="green">068</FONT>            }<a name="line.68"></a>
<FONT color="green">069</FONT>            lastException = current;<a name="line.69"></a>
<FONT color="green">070</FONT>            if (!appender.isExceptionSuppressed() &amp;&amp; t != null) {<a name="line.70"></a>
<FONT color="green">071</FONT>                throw new AppenderRuntimeException(msg, t);<a name="line.71"></a>
<FONT color="green">072</FONT>            }<a name="line.72"></a>
<FONT color="green">073</FONT>        }<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>        /**<a name="line.75"></a>
<FONT color="green">076</FONT>         * Handle an error with a message, and exception and a logging event.<a name="line.76"></a>
<FONT color="green">077</FONT>         * @param msg The message.<a name="line.77"></a>
<FONT color="green">078</FONT>         * @param event The LogEvent.<a name="line.78"></a>
<FONT color="green">079</FONT>         * @param t The Throwable.<a name="line.79"></a>
<FONT color="green">080</FONT>         */<a name="line.80"></a>
<FONT color="green">081</FONT>        public void error(String msg, LogEvent event, Throwable t) {<a name="line.81"></a>
<FONT color="green">082</FONT>            long current = System.currentTimeMillis();<a name="line.82"></a>
<FONT color="green">083</FONT>            if (lastException + EXCEPTION_INTERVAL &lt; current || exceptionCount++ &lt; MAX_EXCEPTIONS) {<a name="line.83"></a>
<FONT color="green">084</FONT>                LOGGER.error(msg, t);<a name="line.84"></a>
<FONT color="green">085</FONT>            }<a name="line.85"></a>
<FONT color="green">086</FONT>            lastException = current;<a name="line.86"></a>
<FONT color="green">087</FONT>            if (!appender.isExceptionSuppressed() &amp;&amp; t != null) {<a name="line.87"></a>
<FONT color="green">088</FONT>                throw new AppenderRuntimeException(msg, t);<a name="line.88"></a>
<FONT color="green">089</FONT>            }<a name="line.89"></a>
<FONT color="green">090</FONT>        }<a name="line.90"></a>
<FONT color="green">091</FONT>    }<a name="line.91"></a>


</PRE>
</BODY>
</HTML>