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<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment"> * The ASF licenses this file to You under the Apache license, Version 2.0</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_comment"> * See the license for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the license.</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <strong class="jxr_keyword">package</strong> org.apache.logging.log4j.core.layout;
<a class="jxr_linenumber" name="18" href="#18">18</a>
<a class="jxr_linenumber" name="19" href="#19">19</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.LogEvent;
<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.config.Configuration;
<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.config.plugins.Plugin;
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.config.plugins.PluginAttr;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.config.plugins.PluginConfiguration;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.config.plugins.PluginElement;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.config.plugins.PluginFactory;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.helpers.OptionConverter;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.pattern.LogEventPatternConverter;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.pattern.PatternConverter;
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.pattern.PatternParser;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.pattern.RegexReplacement;
<a class="jxr_linenumber" name="31" href="#31">31</a>
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.nio.charset.Charset;
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="34" href="#34">34</a>
<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> * &lt;p&gt;A flexible layout configurable with pattern string. The goal of this class</em>
<a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * is to {@link #format format} a {@link LogEvent} and return the results.</em>
<a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * The format of the result depends on the &lt;em&gt;conversion pattern&lt;/em&gt;.</em>
<a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * &lt;p/&gt;</em>
<a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * &lt;p&gt;The conversion pattern is closely related to the conversion</em>
<a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * pattern of the printf function in C. A conversion pattern is</em>
<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * composed of literal text and format control expressions called</em>
<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * &lt;em&gt;conversion specifiers&lt;/em&gt;.</em>
<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * See the Log4j Manual for details on the supported pattern converters.</em>
<a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="48" href="#48">48</a> @Plugin(name = <span class="jxr_string">"PatternLayout"</span>, type = <span class="jxr_string">"Core"</span>, elementType = <span class="jxr_string">"layout"</span>, printObject = <strong class="jxr_keyword">true</strong>)
<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/layout/PatternLayout.html">PatternLayout</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/logging/log4j/core/layout/AbstractStringLayout.html">AbstractStringLayout</a> {
<a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * Default pattern string for log output. Currently set to the</em>
<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * string &lt;b&gt;"%m%n"&lt;/b&gt; which just prints the application supplied</em>
<a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * message.</em>
<a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String DEFAULT_CONVERSION_PATTERN = <span class="jxr_string">"%m%n"</span>;
<a class="jxr_linenumber" name="56" href="#56">56</a>
<a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * A conversion pattern equivalent to the TTCCCLayout.</em>
<a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * Current value is &lt;b&gt;%r [%t] %p %c %x - %m%n&lt;/b&gt;.</em>
<a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="61" href="#61">61</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String TTCC_CONVERSION_PATTERN =
<a class="jxr_linenumber" name="62" href="#62">62</a> <span class="jxr_string">"%r [%t] %p %c %x - %m%n"</span>;
<a class="jxr_linenumber" name="63" href="#63">63</a>
<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * A simple pattern.</em>
<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * Current value is &lt;b&gt;%d [%t] %p %c - %m%n&lt;/b&gt;.</em>
<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String SIMPLE_CONVERSION_PATTERN =
<a class="jxr_linenumber" name="69" href="#69">69</a> <span class="jxr_string">"%d [%t] %p %c - %m%n"</span>;
<a class="jxr_linenumber" name="70" href="#70">70</a>
<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> String KEY = <span class="jxr_string">"Converter"</span>;
<a class="jxr_linenumber" name="72" href="#72">72</a>
<a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * Initial converter for pattern.</em>
<a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">private</strong> List&lt;PatternConverter&gt; converters;
<a class="jxr_linenumber" name="77" href="#77">77</a>
<a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * Conversion pattern.</em>
<a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">private</strong> String conversionPattern;
<a class="jxr_linenumber" name="82" href="#82">82</a>
<a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> * True if any element in pattern formats information from exceptions.</em>
<a class="jxr_linenumber" name="85" href="#85">85</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> handlesExceptions;
<a class="jxr_linenumber" name="87" href="#87">87</a>
<a class="jxr_linenumber" name="88" href="#88">88</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="89" href="#89">89</a> <em class="jxr_javadoccomment"> * The current Configuration.</em>
<a class="jxr_linenumber" name="90" href="#90">90</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/config/Configuration.html">Configuration</a> config;
<a class="jxr_linenumber" name="92" href="#92">92</a>
<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/pattern/RegexReplacement.html">RegexReplacement</a> replace;
<a class="jxr_linenumber" name="94" href="#94">94</a>
<a class="jxr_linenumber" name="95" href="#95">95</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="96" href="#96">96</a> <em class="jxr_javadoccomment"> * Constructs a EnhancedPatternLayout using the supplied conversion pattern.</em>
<a class="jxr_linenumber" name="97" href="#97">97</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="98" href="#98">98</a> <em class="jxr_javadoccomment"> * @param config The Configuration.</em>
<a class="jxr_linenumber" name="99" href="#99">99</a> <em class="jxr_javadoccomment"> * @param replace The regular expression to match.</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * @param pattern conversion pattern.</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * @param charset The character set.</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/layout/PatternLayout.html">PatternLayout</a>(<a href="../../../../../../org/apache/logging/log4j/core/config/Configuration.html">Configuration</a> config, <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/pattern/RegexReplacement.html">RegexReplacement</a> replace, <strong class="jxr_keyword">final</strong> String pattern,
<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">final</strong> Charset charset) {
<a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">super</strong>(charset);
<a class="jxr_linenumber" name="106" href="#106">106</a> <strong class="jxr_keyword">this</strong>.replace = replace;
<a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">this</strong>.conversionPattern = pattern;
<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">this</strong>.config = config;
<a class="jxr_linenumber" name="109" href="#109">109</a> <a href="../../../../../../org/apache/logging/log4j/core/pattern/PatternParser.html">PatternParser</a> parser = createPatternParser(config);
<a class="jxr_linenumber" name="110" href="#110">110</a> converters = parser.parse((pattern == <strong class="jxr_keyword">null</strong>) ? DEFAULT_CONVERSION_PATTERN : pattern);
<a class="jxr_linenumber" name="111" href="#111">111</a> handlesExceptions = parser.handlesExceptions();
<a class="jxr_linenumber" name="112" href="#112">112</a>
<a class="jxr_linenumber" name="113" href="#113">113</a> }
<a class="jxr_linenumber" name="114" href="#114">114</a>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> * Set the &lt;b&gt;ConversionPattern&lt;/b&gt; option. This is the string which</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * controls formatting and consists of a mix of literal content and</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> * conversion specifiers.</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment"> * @param conversionPattern conversion pattern.</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setConversionPattern(<strong class="jxr_keyword">final</strong> String conversionPattern) {
<a class="jxr_linenumber" name="123" href="#123">123</a> String pattern = OptionConverter.convertSpecialChars(conversionPattern);
<a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">if</strong> (pattern == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="125" href="#125">125</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="126" href="#126">126</a> }
<a class="jxr_linenumber" name="127" href="#127">127</a> <a href="../../../../../../org/apache/logging/log4j/core/pattern/PatternParser.html">PatternParser</a> parser = createPatternParser(<strong class="jxr_keyword">this</strong>.config);
<a class="jxr_linenumber" name="128" href="#128">128</a> converters = parser.parse(pattern);
<a class="jxr_linenumber" name="129" href="#129">129</a> handlesExceptions = parser.handlesExceptions();
<a class="jxr_linenumber" name="130" href="#130">130</a> }
<a class="jxr_linenumber" name="131" href="#131">131</a>
<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment"> * Formats a logging event to a writer.</em>
<a class="jxr_linenumber" name="134" href="#134">134</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment"> * @param event logging event to be formatted.</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment"> * @return The event formatted as a String.</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">public</strong> String formatAs(<strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/LogEvent.html">LogEvent</a> event) {
<a class="jxr_linenumber" name="139" href="#139">139</a> StringBuilder buf = <strong class="jxr_keyword">new</strong> StringBuilder();
<a class="jxr_linenumber" name="140" href="#140">140</a> <strong class="jxr_keyword">for</strong> (PatternConverter c : converters) {
<a class="jxr_linenumber" name="141" href="#141">141</a> c.format(event, buf);
<a class="jxr_linenumber" name="142" href="#142">142</a> }
<a class="jxr_linenumber" name="143" href="#143">143</a> String str = buf.toString();
<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">if</strong> (replace != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="145" href="#145">145</a> str = replace.format(str);
<a class="jxr_linenumber" name="146" href="#146">146</a> }
<a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">return</strong> config == <strong class="jxr_keyword">null</strong> ? str : config.getSubst().replace(event, str);
<a class="jxr_linenumber" name="148" href="#148">148</a> }
<a class="jxr_linenumber" name="149" href="#149">149</a>
<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> * Create a PatternParser.</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment"> * @param config The Configuration.</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment"> * @return The PatternParser.</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="155" href="#155">155</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/logging/log4j/core/pattern/PatternParser.html">PatternParser</a> createPatternParser(<a href="../../../../../../org/apache/logging/log4j/core/config/Configuration.html">Configuration</a> config) {
<a class="jxr_linenumber" name="156" href="#156">156</a> <strong class="jxr_keyword">if</strong> (config == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/pattern/PatternParser.html">PatternParser</a>(config, KEY, LogEventPatternConverter.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="158" href="#158">158</a> }
<a class="jxr_linenumber" name="159" href="#159">159</a> <a href="../../../../../../org/apache/logging/log4j/core/pattern/PatternParser.html">PatternParser</a> parser = (PatternParser) config.getComponent(KEY);
<a class="jxr_linenumber" name="160" href="#160">160</a> <strong class="jxr_keyword">if</strong> (parser == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="161" href="#161">161</a> parser = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/pattern/PatternParser.html">PatternParser</a>(config, KEY, LogEventPatternConverter.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="162" href="#162">162</a> config.addComponent(KEY, parser);
<a class="jxr_linenumber" name="163" href="#163">163</a> parser = (PatternParser) config.getComponent(KEY);
<a class="jxr_linenumber" name="164" href="#164">164</a> }
<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">return</strong> parser;
<a class="jxr_linenumber" name="166" href="#166">166</a> }
<a class="jxr_linenumber" name="167" href="#167">167</a>
<a class="jxr_linenumber" name="168" href="#168">168</a> @Override
<a class="jxr_linenumber" name="169" href="#169">169</a> <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">return</strong> conversionPattern;
<a class="jxr_linenumber" name="171" href="#171">171</a> }
<a class="jxr_linenumber" name="172" href="#172">172</a>
<a class="jxr_linenumber" name="173" href="#173">173</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="174" href="#174">174</a> <em class="jxr_javadoccomment"> * Create a pattern layout.</em>
<a class="jxr_linenumber" name="175" href="#175">175</a> <em class="jxr_javadoccomment"> * @param pattern The pattern. If not specified, defaults to DEFAULT_CONVERSION_PATTERN.</em>
<a class="jxr_linenumber" name="176" href="#176">176</a> <em class="jxr_javadoccomment"> * @param config The Configuration. Some Converters require access to the Interpolator.</em>
<a class="jxr_linenumber" name="177" href="#177">177</a> <em class="jxr_javadoccomment"> * @param replace A Regex replacement String.</em>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment"> * @param charset The character set.</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment"> * @return The PatternLayout.</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> @PluginFactory
<a class="jxr_linenumber" name="182" href="#182">182</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/logging/log4j/core/layout/PatternLayout.html">PatternLayout</a> createLayout(@PluginAttr(<span class="jxr_string">"pattern"</span>) String pattern,
<a class="jxr_linenumber" name="183" href="#183">183</a> @PluginConfiguration <a href="../../../../../../org/apache/logging/log4j/core/config/Configuration.html">Configuration</a> config,
<a class="jxr_linenumber" name="184" href="#184">184</a> @PluginElement(<span class="jxr_string">"replace"</span>) <a href="../../../../../../org/apache/logging/log4j/core/pattern/RegexReplacement.html">RegexReplacement</a> replace,
<a class="jxr_linenumber" name="185" href="#185">185</a> @PluginAttr(<span class="jxr_string">"charset"</span>) String charset) {
<a class="jxr_linenumber" name="186" href="#186">186</a> Charset c = Charset.isSupported(<span class="jxr_string">"UTF-8"</span>) ? Charset.forName(<span class="jxr_string">"UTF-8"</span>) : Charset.defaultCharset();
<a class="jxr_linenumber" name="187" href="#187">187</a> <strong class="jxr_keyword">if</strong> (charset != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="188" href="#188">188</a> <strong class="jxr_keyword">if</strong> (Charset.isSupported(charset)) {
<a class="jxr_linenumber" name="189" href="#189">189</a> c = Charset.forName(charset);
<a class="jxr_linenumber" name="190" href="#190">190</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="191" href="#191">191</a> LOGGER.error(<span class="jxr_string">"Charset "</span> + charset + <span class="jxr_string">" is not supported for layout, using "</span> + c.displayName());
<a class="jxr_linenumber" name="192" href="#192">192</a> }
<a class="jxr_linenumber" name="193" href="#193">193</a> }
<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/layout/PatternLayout.html">PatternLayout</a>(config, replace, pattern == <strong class="jxr_keyword">null</strong> ? DEFAULT_CONVERSION_PATTERN : pattern, c);
<a class="jxr_linenumber" name="195" href="#195">195</a> }
<a class="jxr_linenumber" name="196" href="#196">196</a> }
</pre>
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