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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.filter;<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.ThreadContext;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.apache.logging.log4j.Marker;<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.core.Logger;<a name="line.23"></a>
<FONT color="green">024</FONT>    import org.apache.logging.log4j.core.config.plugins.Plugin;<a name="line.24"></a>
<FONT color="green">025</FONT>    import org.apache.logging.log4j.core.config.plugins.PluginAttr;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.apache.logging.log4j.core.config.plugins.PluginElement;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.apache.logging.log4j.core.config.plugins.PluginFactory;<a name="line.27"></a>
<FONT color="green">028</FONT>    import org.apache.logging.log4j.core.helpers.KeyValuePair;<a name="line.28"></a>
<FONT color="green">029</FONT>    import org.apache.logging.log4j.message.Message;<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>    import java.util.HashMap;<a name="line.31"></a>
<FONT color="green">032</FONT>    import java.util.Iterator;<a name="line.32"></a>
<FONT color="green">033</FONT>    import java.util.Map;<a name="line.33"></a>
<FONT color="green">034</FONT>    <a name="line.34"></a>
<FONT color="green">035</FONT>    /**<a name="line.35"></a>
<FONT color="green">036</FONT>     * Filter based on a value in the Thread Context Map (MDC).<a name="line.36"></a>
<FONT color="green">037</FONT>     */<a name="line.37"></a>
<FONT color="green">038</FONT>    @Plugin(name = "ThreadContextMapFilter", type = "Core", elementType = "filter", printObject = true)<a name="line.38"></a>
<FONT color="green">039</FONT>    public class ThreadContextMapFilter extends FilterBase {<a name="line.39"></a>
<FONT color="green">040</FONT>        private final Map&lt;String, String&gt; map;<a name="line.40"></a>
<FONT color="green">041</FONT>    <a name="line.41"></a>
<FONT color="green">042</FONT>        private final String key;<a name="line.42"></a>
<FONT color="green">043</FONT>        private final String value;<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>        private final boolean isAnd;<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>        private final boolean useMap;<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>        public ThreadContextMapFilter(Map&lt;String, String&gt; pairs, boolean oper, Result onMatch, Result onMismatch) {<a name="line.49"></a>
<FONT color="green">050</FONT>            super(onMatch, onMismatch);<a name="line.50"></a>
<FONT color="green">051</FONT>            if (pairs.size() == 1) {<a name="line.51"></a>
<FONT color="green">052</FONT>                Iterator&lt;Map.Entry&lt;String, String&gt;&gt; iter = pairs.entrySet().iterator();<a name="line.52"></a>
<FONT color="green">053</FONT>                Map.Entry&lt;String, String&gt; entry = iter.next();<a name="line.53"></a>
<FONT color="green">054</FONT>                this.key = entry.getKey();<a name="line.54"></a>
<FONT color="green">055</FONT>                this.value = entry.getValue();<a name="line.55"></a>
<FONT color="green">056</FONT>                this.map = null;<a name="line.56"></a>
<FONT color="green">057</FONT>                this.isAnd = false;<a name="line.57"></a>
<FONT color="green">058</FONT>                this.useMap = false;<a name="line.58"></a>
<FONT color="green">059</FONT>            } else {<a name="line.59"></a>
<FONT color="green">060</FONT>                this.map = pairs;<a name="line.60"></a>
<FONT color="green">061</FONT>                this.isAnd = oper;<a name="line.61"></a>
<FONT color="green">062</FONT>                this.key = null;<a name="line.62"></a>
<FONT color="green">063</FONT>                this.value = null;<a name="line.63"></a>
<FONT color="green">064</FONT>                this.useMap = true;<a name="line.64"></a>
<FONT color="green">065</FONT>            }<a name="line.65"></a>
<FONT color="green">066</FONT>        }<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>        @Override<a name="line.68"></a>
<FONT color="green">069</FONT>        public Result filter(Logger logger, Level level, Marker marker, String msg, Object[] params) {<a name="line.69"></a>
<FONT color="green">070</FONT>            return filter();<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>        @Override<a name="line.73"></a>
<FONT color="green">074</FONT>        public Result filter(Logger logger, Level level, Marker marker, Object msg, Throwable t) {<a name="line.74"></a>
<FONT color="green">075</FONT>            return filter();<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>        @Override<a name="line.78"></a>
<FONT color="green">079</FONT>        public Result filter(Logger logger, Level level, Marker marker, Message msg, Throwable t) {<a name="line.79"></a>
<FONT color="green">080</FONT>            return filter();<a name="line.80"></a>
<FONT color="green">081</FONT>        }<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>        private Result filter() {<a name="line.83"></a>
<FONT color="green">084</FONT>            boolean match = false;<a name="line.84"></a>
<FONT color="green">085</FONT>            if (useMap) {<a name="line.85"></a>
<FONT color="green">086</FONT>                for (String key : map.keySet()) {<a name="line.86"></a>
<FONT color="green">087</FONT>                    match = map.get(key).equals(ThreadContext.get(key));<a name="line.87"></a>
<FONT color="green">088</FONT>                    if ((!isAnd &amp;&amp; match) || (isAnd &amp;&amp; !match)) {<a name="line.88"></a>
<FONT color="green">089</FONT>                        break;<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>
<FONT color="green">092</FONT>            } else {<a name="line.92"></a>
<FONT color="green">093</FONT>                match = key.equals(ThreadContext.get(key));<a name="line.93"></a>
<FONT color="green">094</FONT>            }<a name="line.94"></a>
<FONT color="green">095</FONT>            return match ? onMatch : onMismatch;<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>        @Override<a name="line.98"></a>
<FONT color="green">099</FONT>        public Result filter(LogEvent event) {<a name="line.99"></a>
<FONT color="green">100</FONT>            Map&lt;String, String&gt; ctx = event.getContextMap();<a name="line.100"></a>
<FONT color="green">101</FONT>            boolean match = false;<a name="line.101"></a>
<FONT color="green">102</FONT>            for (String key : map.keySet()) {<a name="line.102"></a>
<FONT color="green">103</FONT>                match = map.get(key).equals(ctx.get(key));<a name="line.103"></a>
<FONT color="green">104</FONT>                if ((!isAnd &amp;&amp; match) || (isAnd &amp;&amp; !match)) {<a name="line.104"></a>
<FONT color="green">105</FONT>                    break;<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>            return match ? onMatch : onMismatch;<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>        public String toString() {<a name="line.111"></a>
<FONT color="green">112</FONT>            StringBuilder sb = new StringBuilder();<a name="line.112"></a>
<FONT color="green">113</FONT>            sb.append("isAnd=").append(isAnd);<a name="line.113"></a>
<FONT color="green">114</FONT>            if (useMap) {<a name="line.114"></a>
<FONT color="green">115</FONT>                if (map.size() &gt; 0) {<a name="line.115"></a>
<FONT color="green">116</FONT>                    sb.append(", {");<a name="line.116"></a>
<FONT color="green">117</FONT>                   boolean first = true;<a name="line.117"></a>
<FONT color="green">118</FONT>                    for (Map.Entry&lt;String, String&gt; entry : map.entrySet()) {<a name="line.118"></a>
<FONT color="green">119</FONT>                        if (!first) {<a name="line.119"></a>
<FONT color="green">120</FONT>                            sb.append(", ");<a name="line.120"></a>
<FONT color="green">121</FONT>                        }<a name="line.121"></a>
<FONT color="green">122</FONT>                        first = false;<a name="line.122"></a>
<FONT color="green">123</FONT>                        sb.append(entry.getKey()).append("=").append(entry.getValue());<a name="line.123"></a>
<FONT color="green">124</FONT>                    }<a name="line.124"></a>
<FONT color="green">125</FONT>                    sb.append("}");<a name="line.125"></a>
<FONT color="green">126</FONT>              }<a name="line.126"></a>
<FONT color="green">127</FONT>            } else {<a name="line.127"></a>
<FONT color="green">128</FONT>                sb.append(", {").append(key).append("=").append(value).append("}");<a name="line.128"></a>
<FONT color="green">129</FONT>            }<a name="line.129"></a>
<FONT color="green">130</FONT>            return sb.toString();<a name="line.130"></a>
<FONT color="green">131</FONT>        }<a name="line.131"></a>
<FONT color="green">132</FONT>    <a name="line.132"></a>
<FONT color="green">133</FONT>        @PluginFactory<a name="line.133"></a>
<FONT color="green">134</FONT>        public static ThreadContextMapFilter createFilter(@PluginElement("pairs") KeyValuePair[] pairs,<a name="line.134"></a>
<FONT color="green">135</FONT>                                                          @PluginAttr("operator") String oper,<a name="line.135"></a>
<FONT color="green">136</FONT>                                                          @PluginAttr("onmatch") String match,<a name="line.136"></a>
<FONT color="green">137</FONT>                                                          @PluginAttr("onmismatch") String mismatch) {<a name="line.137"></a>
<FONT color="green">138</FONT>            if (pairs == null || pairs.length == 0) {<a name="line.138"></a>
<FONT color="green">139</FONT>                LOGGER.error("key and value pairs must be specified for the ThreadContextMapFilter");<a name="line.139"></a>
<FONT color="green">140</FONT>                return null;<a name="line.140"></a>
<FONT color="green">141</FONT>            }<a name="line.141"></a>
<FONT color="green">142</FONT>            Map&lt;String, String&gt; map = new HashMap&lt;String, String&gt;();<a name="line.142"></a>
<FONT color="green">143</FONT>            for (KeyValuePair pair : pairs) {<a name="line.143"></a>
<FONT color="green">144</FONT>                String key = pair.getKey();<a name="line.144"></a>
<FONT color="green">145</FONT>                if (key == null) {<a name="line.145"></a>
<FONT color="green">146</FONT>                    LOGGER.error("A null key is not valid in ThreadContextMapFilter");<a name="line.146"></a>
<FONT color="green">147</FONT>                    continue;<a name="line.147"></a>
<FONT color="green">148</FONT>                }<a name="line.148"></a>
<FONT color="green">149</FONT>                String value = pair.getValue();<a name="line.149"></a>
<FONT color="green">150</FONT>                if (value == null) {<a name="line.150"></a>
<FONT color="green">151</FONT>                    LOGGER.error("A null value for key " + key + " is not allowed in ThreadContextMapFilter");<a name="line.151"></a>
<FONT color="green">152</FONT>                    continue;<a name="line.152"></a>
<FONT color="green">153</FONT>                }<a name="line.153"></a>
<FONT color="green">154</FONT>                map.put(pair.getKey(), pair.getValue());<a name="line.154"></a>
<FONT color="green">155</FONT>            }<a name="line.155"></a>
<FONT color="green">156</FONT>            if (map.size() == 0) {<a name="line.156"></a>
<FONT color="green">157</FONT>                LOGGER.error("ThreadContextMapFilter is not configured with any valid key value pairs");<a name="line.157"></a>
<FONT color="green">158</FONT>                return null;<a name="line.158"></a>
<FONT color="green">159</FONT>            }<a name="line.159"></a>
<FONT color="green">160</FONT>            boolean isAnd = oper == null || !oper.equalsIgnoreCase("or");<a name="line.160"></a>
<FONT color="green">161</FONT>            Result onMatch = match == null ? null : Result.valueOf(match.toUpperCase());<a name="line.161"></a>
<FONT color="green">162</FONT>            Result onMismatch = mismatch == null ? null : Result.valueOf(mismatch.toUpperCase());<a name="line.162"></a>
<FONT color="green">163</FONT>            return new ThreadContextMapFilter(map, isAnd, onMatch, onMismatch);<a name="line.163"></a>
<FONT color="green">164</FONT>        }<a name="line.164"></a>
<FONT color="green">165</FONT>    }<a name="line.165"></a>


</PRE>
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