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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;<a name="line.17"></a>
<FONT color="green">018</FONT>    <a name="line.18"></a>
<FONT color="green">019</FONT>    /**<a name="line.19"></a>
<FONT color="green">020</FONT>     * Levels used for identifying the severity of an event. Levels are organized from most specific to least:&lt;br&gt;<a name="line.20"></a>
<FONT color="green">021</FONT>     * OFF   (most specific)&lt;br&gt;<a name="line.21"></a>
<FONT color="green">022</FONT>     * FATAL&lt;br&gt;<a name="line.22"></a>
<FONT color="green">023</FONT>     * ERROR&lt;br&gt;<a name="line.23"></a>
<FONT color="green">024</FONT>     * WARN&lt;br&gt;<a name="line.24"></a>
<FONT color="green">025</FONT>     * INFO&lt;br&gt;<a name="line.25"></a>
<FONT color="green">026</FONT>     * DEBUG&lt;br&gt;<a name="line.26"></a>
<FONT color="green">027</FONT>     * TRACE&lt;br&gt;<a name="line.27"></a>
<FONT color="green">028</FONT>     * AL    (least specific)&lt;br&gt;<a name="line.28"></a>
<FONT color="green">029</FONT>     *<a name="line.29"></a>
<FONT color="green">030</FONT>     * Typically, configuring a level in a filter or on a logger will cause logging events of that level and those<a name="line.30"></a>
<FONT color="green">031</FONT>     * that are more specific to pass through the filter.<a name="line.31"></a>
<FONT color="green">032</FONT>     * A special level, ALL, is guaranteed to capture all levels when used in logging configurations.<a name="line.32"></a>
<FONT color="green">033</FONT>     * @doubt see LOG4J-41<a name="line.33"></a>
<FONT color="green">034</FONT>     */<a name="line.34"></a>
<FONT color="green">035</FONT>    public enum Level {<a name="line.35"></a>
<FONT color="green">036</FONT>        /**<a name="line.36"></a>
<FONT color="green">037</FONT>         * No events will be logged.<a name="line.37"></a>
<FONT color="green">038</FONT>         */<a name="line.38"></a>
<FONT color="green">039</FONT>        OFF(0),<a name="line.39"></a>
<FONT color="green">040</FONT>        /**<a name="line.40"></a>
<FONT color="green">041</FONT>         * A severe error that will prevent the application from continuing.<a name="line.41"></a>
<FONT color="green">042</FONT>         */<a name="line.42"></a>
<FONT color="green">043</FONT>        FATAL(1),<a name="line.43"></a>
<FONT color="green">044</FONT>        /**<a name="line.44"></a>
<FONT color="green">045</FONT>         * An error in the application, possibly recoverable.<a name="line.45"></a>
<FONT color="green">046</FONT>         */<a name="line.46"></a>
<FONT color="green">047</FONT>        ERROR(2),<a name="line.47"></a>
<FONT color="green">048</FONT>        /**<a name="line.48"></a>
<FONT color="green">049</FONT>         * An event that might possible lead to an error.<a name="line.49"></a>
<FONT color="green">050</FONT>         */<a name="line.50"></a>
<FONT color="green">051</FONT>        WARN(3),<a name="line.51"></a>
<FONT color="green">052</FONT>        /**<a name="line.52"></a>
<FONT color="green">053</FONT>         * An event for informational purposes.<a name="line.53"></a>
<FONT color="green">054</FONT>         */<a name="line.54"></a>
<FONT color="green">055</FONT>        INFO(4),<a name="line.55"></a>
<FONT color="green">056</FONT>        /**<a name="line.56"></a>
<FONT color="green">057</FONT>         * A general debugging event.<a name="line.57"></a>
<FONT color="green">058</FONT>         */<a name="line.58"></a>
<FONT color="green">059</FONT>        DEBUG(5),<a name="line.59"></a>
<FONT color="green">060</FONT>        /**<a name="line.60"></a>
<FONT color="green">061</FONT>         * A fine-grained debug message, typically capturing the flow through the application.<a name="line.61"></a>
<FONT color="green">062</FONT>         */<a name="line.62"></a>
<FONT color="green">063</FONT>        TRACE(6),<a name="line.63"></a>
<FONT color="green">064</FONT>        /**<a name="line.64"></a>
<FONT color="green">065</FONT>         * All events should be logged.<a name="line.65"></a>
<FONT color="green">066</FONT>         */<a name="line.66"></a>
<FONT color="green">067</FONT>        ALL(Integer.MAX_VALUE);<a name="line.67"></a>
<FONT color="green">068</FONT>    <a name="line.68"></a>
<FONT color="green">069</FONT>        private final int intLevel;<a name="line.69"></a>
<FONT color="green">070</FONT>    <a name="line.70"></a>
<FONT color="green">071</FONT>        private Level(int val) {<a name="line.71"></a>
<FONT color="green">072</FONT>            intLevel = val;<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>         * Convert the string passed as argument to a level. If the<a name="line.76"></a>
<FONT color="green">077</FONT>         * conversion fails, then this method returns {@link #DEBUG}.<a name="line.77"></a>
<FONT color="green">078</FONT>         *<a name="line.78"></a>
<FONT color="green">079</FONT>         * @param sArg The name of the desired Level.<a name="line.79"></a>
<FONT color="green">080</FONT>         * @return The Level associated with the String.<a name="line.80"></a>
<FONT color="green">081</FONT>         */<a name="line.81"></a>
<FONT color="green">082</FONT>        public static Level toLevel(String sArg) {<a name="line.82"></a>
<FONT color="green">083</FONT>            return toLevel(sArg, DEBUG);<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>
<FONT color="green">086</FONT>        /**<a name="line.86"></a>
<FONT color="green">087</FONT>         * Convert the string passed as argument to a level. If the<a name="line.87"></a>
<FONT color="green">088</FONT>         * conversion fails, then this method returns the value of<a name="line.88"></a>
<FONT color="green">089</FONT>         * &lt;code&gt;defaultLevel&lt;/code&gt;.<a name="line.89"></a>
<FONT color="green">090</FONT>         *<a name="line.90"></a>
<FONT color="green">091</FONT>         * @param sArg The name of the desired Level.<a name="line.91"></a>
<FONT color="green">092</FONT>         * @param defaultLevel The Level to use if the String is invalid.<a name="line.92"></a>
<FONT color="green">093</FONT>         * @return The LEvel associated with the String.<a name="line.93"></a>
<FONT color="green">094</FONT>         */<a name="line.94"></a>
<FONT color="green">095</FONT>        public static Level toLevel(String sArg, Level defaultLevel) {<a name="line.95"></a>
<FONT color="green">096</FONT>            if (sArg == null) {<a name="line.96"></a>
<FONT color="green">097</FONT>                return defaultLevel;<a name="line.97"></a>
<FONT color="green">098</FONT>            }<a name="line.98"></a>
<FONT color="green">099</FONT>            for (Level level : values()) {<a name="line.99"></a>
<FONT color="green">100</FONT>                if (level.name().equals(sArg)) {<a name="line.100"></a>
<FONT color="green">101</FONT>                    return level;<a name="line.101"></a>
<FONT color="green">102</FONT>                }<a name="line.102"></a>
<FONT color="green">103</FONT>            }<a name="line.103"></a>
<FONT color="green">104</FONT>            return defaultLevel;<a name="line.104"></a>
<FONT color="green">105</FONT>        }<a name="line.105"></a>
<FONT color="green">106</FONT>    <a name="line.106"></a>
<FONT color="green">107</FONT>        /**<a name="line.107"></a>
<FONT color="green">108</FONT>         * Compares this level against the level passed as an argument and returns true if this<a name="line.108"></a>
<FONT color="green">109</FONT>         * level is the same or more specific.<a name="line.109"></a>
<FONT color="green">110</FONT>         *<a name="line.110"></a>
<FONT color="green">111</FONT>         * @param level The level to check.<a name="line.111"></a>
<FONT color="green">112</FONT>         * @return True if the passed Level is more specific or the same as this Level.<a name="line.112"></a>
<FONT color="green">113</FONT>         */<a name="line.113"></a>
<FONT color="green">114</FONT>        public boolean isAtLeastAsSpecificAs(Level level) {<a name="line.114"></a>
<FONT color="green">115</FONT>            return (intLevel &lt;= level.intLevel);<a name="line.115"></a>
<FONT color="green">116</FONT>        }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>        /**<a name="line.118"></a>
<FONT color="green">119</FONT>         * Compares this level against the level passed as an argument and returns true if this<a name="line.119"></a>
<FONT color="green">120</FONT>         * level is the same or more specific.<a name="line.120"></a>
<FONT color="green">121</FONT>         *<a name="line.121"></a>
<FONT color="green">122</FONT>         * @param level The level to check.<a name="line.122"></a>
<FONT color="green">123</FONT>         * @return True if the passed Level is more specific or the same as this Level.<a name="line.123"></a>
<FONT color="green">124</FONT>         */<a name="line.124"></a>
<FONT color="green">125</FONT>        public boolean isAtLeastAsSpecificAs(int level) {<a name="line.125"></a>
<FONT color="green">126</FONT>            return (intLevel &lt;= level);<a name="line.126"></a>
<FONT color="green">127</FONT>        }<a name="line.127"></a>
<FONT color="green">128</FONT>    <a name="line.128"></a>
<FONT color="green">129</FONT>        /**<a name="line.129"></a>
<FONT color="green">130</FONT>         * Compares the specified Level against this one.<a name="line.130"></a>
<FONT color="green">131</FONT>         * @param level The level to check.<a name="line.131"></a>
<FONT color="green">132</FONT>         * @return True if the passed Level is more specific or the same as this Level.<a name="line.132"></a>
<FONT color="green">133</FONT>         */<a name="line.133"></a>
<FONT color="green">134</FONT>        public boolean lessOrEqual(Level level) {<a name="line.134"></a>
<FONT color="green">135</FONT>            return (intLevel &lt;= level.intLevel);<a name="line.135"></a>
<FONT color="green">136</FONT>        }<a name="line.136"></a>
<FONT color="green">137</FONT>    <a name="line.137"></a>
<FONT color="green">138</FONT>        /**<a name="line.138"></a>
<FONT color="green">139</FONT>         * Compares the specified Level against this one.<a name="line.139"></a>
<FONT color="green">140</FONT>         * @param level The level to check.<a name="line.140"></a>
<FONT color="green">141</FONT>         * @return True if the passed Level is more specific or the same as this Level.<a name="line.141"></a>
<FONT color="green">142</FONT>         */<a name="line.142"></a>
<FONT color="green">143</FONT>        public boolean lessOrEqual(int level) {<a name="line.143"></a>
<FONT color="green">144</FONT>            return (intLevel &lt;= level);<a name="line.144"></a>
<FONT color="green">145</FONT>        }<a name="line.145"></a>
<FONT color="green">146</FONT>    <a name="line.146"></a>
<FONT color="green">147</FONT>        /**<a name="line.147"></a>
<FONT color="green">148</FONT>         * Returns the integer value of the Level.<a name="line.148"></a>
<FONT color="green">149</FONT>         * @return the integer value of the Level.<a name="line.149"></a>
<FONT color="green">150</FONT>         */<a name="line.150"></a>
<FONT color="green">151</FONT>        public int intLevel() {<a name="line.151"></a>
<FONT color="green">152</FONT>            return intLevel;<a name="line.152"></a>
<FONT color="green">153</FONT>        }<a name="line.153"></a>
<FONT color="green">154</FONT>    }<a name="line.154"></a>


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