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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.appender;
<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.Appender;
<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.ErrorHandler;
<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.Filter;
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.Lifecycle;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.LogEvent;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.Layout;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.filter.Filterable;
<a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.status.StatusLogger;
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.Logger;
<a class="jxr_linenumber" name="28" href="#28">28</a>
<a class="jxr_linenumber" name="29" href="#29">29</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="30" href="#30">30</a> <em class="jxr_javadoccomment"> * Base class for Appenders. Although Appenders do not have to extend this class, doing so</em>
<a class="jxr_linenumber" name="31" href="#31">31</a> <em class="jxr_javadoccomment"> * will simplify their implementation.</em>
<a class="jxr_linenumber" name="32" href="#32">32</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">abstract</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/appender/AppenderBase.html">AppenderBase</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../../../org/apache/logging/log4j/core/filter/Filterable.html">Filterable</a> <strong class="jxr_keyword">implements</strong> Appender, <a href="../../../../../../org/apache/logging/log4j/core/Lifecycle.html">Lifecycle</a> {
<a class="jxr_linenumber" name="34" href="#34">34</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="35" href="#35">35</a> <em class="jxr_javadoccomment"> * Allow subclasses access to the status logger without creating another instance.</em>
<a class="jxr_linenumber" name="36" href="#36">36</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/Logger.html">Logger</a> LOGGER = StatusLogger.getLogger();
<a class="jxr_linenumber" name="38" href="#38">38</a>
<a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * Appenders set this by calling super.start().</em>
<a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="42" href="#42">42</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> started = false;
<a class="jxr_linenumber" name="43" href="#43">43</a>
<a class="jxr_linenumber" name="44" href="#44">44</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/Layout.html">Layout</a> layout = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="45" href="#45">45</a>
<a class="jxr_linenumber" name="46" href="#46">46</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> String name;
<a class="jxr_linenumber" name="47" href="#47">47</a>
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> handleException;
<a class="jxr_linenumber" name="49" href="#49">49</a>
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/ErrorHandler.html">ErrorHandler</a> handler = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/appender/DefaultErrorHandler.html">DefaultErrorHandler</a>(<strong class="jxr_keyword">this</strong>);
<a class="jxr_linenumber" name="51" href="#51">51</a>
<a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * Constructor that defaults to suppressing exceptions.</em>
<a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * @param name The Appender name.</em>
<a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * @param filter The Filter to associate with the Appender.</em>
<a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * @param layout The layout to use to format the event.</em>
<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> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/logging/log4j/core/appender/AppenderBase.html">AppenderBase</a>(String name, <a href="../../../../../../org/apache/logging/log4j/core/Filter.html">Filter</a> filter, <a href="../../../../../../org/apache/logging/log4j/core/Layout.html">Layout</a> layout) {
<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">this</strong>(name, filter, layout, <strong class="jxr_keyword">true</strong>);
<a class="jxr_linenumber" name="60" href="#60">60</a> }
<a class="jxr_linenumber" name="61" href="#61">61</a>
<a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * Constructor.</em>
<a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * @param name The Appender name.</em>
<a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> * @param filter The Filter to associate with the Appender.</em>
<a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> * @param layout The layout to use to format the event.</em>
<a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * @param handleException If true, exceptions will be logged and suppressed. If false errors will be</em>
<a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * logged and then passed to the application.</em>
<a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">protected</strong> <a href="../../../../../../org/apache/logging/log4j/core/appender/AppenderBase.html">AppenderBase</a>(String name, <a href="../../../../../../org/apache/logging/log4j/core/Filter.html">Filter</a> filter, <a href="../../../../../../org/apache/logging/log4j/core/Layout.html">Layout</a> layout, <strong class="jxr_keyword">boolean</strong> handleException) {
<a class="jxr_linenumber" name="71" href="#71">71</a> <strong class="jxr_keyword">super</strong>(filter);
<a class="jxr_linenumber" name="72" href="#72">72</a> <strong class="jxr_keyword">this</strong>.name = name;
<a class="jxr_linenumber" name="73" href="#73">73</a> <strong class="jxr_keyword">this</strong>.layout = layout;
<a class="jxr_linenumber" name="74" href="#74">74</a> <strong class="jxr_keyword">this</strong>.handleException = handleException;
<a class="jxr_linenumber" name="75" href="#75">75</a> }
<a class="jxr_linenumber" name="76" href="#76">76</a>
<a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * Return the ErrorHandler, if any.</em>
<a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * @return The ErrorHandler.</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">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/ErrorHandler.html">ErrorHandler</a> getHandler() {
<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">return</strong> handler;
<a class="jxr_linenumber" name="83" href="#83">83</a> }
<a class="jxr_linenumber" name="84" href="#84">84</a>
<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> <em class="jxr_javadoccomment"> * The handler must be set before the appender is started.</em>
<a class="jxr_linenumber" name="87" href="#87">87</a> <em class="jxr_javadoccomment"> * @param handler The ErrorHandler to use.</em>
<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setHandler(<a href="../../../../../../org/apache/logging/log4j/core/ErrorHandler.html">ErrorHandler</a> handler) {
<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">if</strong> (handler == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="91" href="#91">91</a> LOGGER.error(<span class="jxr_string">"The handler cannot be set to null"</span>);
<a class="jxr_linenumber" name="92" href="#92">92</a> }
<a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">if</strong> (isStarted()) {
<a class="jxr_linenumber" name="94" href="#94">94</a> LOGGER.error(<span class="jxr_string">"The handler cannot be changed once the appender is started"</span>);
<a class="jxr_linenumber" name="95" href="#95">95</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="96" href="#96">96</a> }
<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">this</strong>.handler = handler;
<a class="jxr_linenumber" name="98" href="#98">98</a> }
<a class="jxr_linenumber" name="99" href="#99">99</a>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * Close the stream associated with the Appender.</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">public</strong> <strong class="jxr_keyword">void</strong> close() {
<a class="jxr_linenumber" name="104" href="#104">104</a>
<a class="jxr_linenumber" name="105" href="#105">105</a> }
<a class="jxr_linenumber" name="106" href="#106">106</a>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * Returns the name of the Appender.</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * @return The name of the Appender.</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <strong class="jxr_keyword">public</strong> String getName() {
<a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">return</strong> name;
<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"> * Returns the Layout for the appender.</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <em class="jxr_javadoccomment"> * @return The Layout used to format the event.</em>
<a class="jxr_linenumber" name="118" href="#118">118</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="119" href="#119">119</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/Layout.html">Layout</a> getLayout() {
<a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">return</strong> layout;
<a class="jxr_linenumber" name="121" href="#121">121</a> }
<a class="jxr_linenumber" name="122" href="#122">122</a>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="124" href="#124">124</a> <em class="jxr_javadoccomment"> * Some appenders need to propogate exceptions back to the application. When suppressException is false the</em>
<a class="jxr_linenumber" name="125" href="#125">125</a> <em class="jxr_javadoccomment"> * AppenderControl will allow the exception to percolate.</em>
<a class="jxr_linenumber" name="126" href="#126">126</a> <em class="jxr_javadoccomment"> * @return true if exceptions will be supressed, false otherwise.</em>
<a class="jxr_linenumber" name="127" href="#127">127</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isExceptionSuppressed() {
<a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">return</strong> handleException;
<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"> * Start the Appender.</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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> start() {
<a class="jxr_linenumber" name="136" href="#136">136</a> startFilter();
<a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">this</strong>.started = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="138" href="#138">138</a> }
<a class="jxr_linenumber" name="139" href="#139">139</a>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment"> * Stop the Appender.</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stop() {
<a class="jxr_linenumber" name="144" href="#144">144</a> <strong class="jxr_keyword">this</strong>.started = false;
<a class="jxr_linenumber" name="145" href="#145">145</a> stopFilter();
<a class="jxr_linenumber" name="146" href="#146">146</a> }
<a class="jxr_linenumber" name="147" href="#147">147</a>
<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment"> * Returns true if the Appender is started, false otherwise.</em>
<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment"> * @return true if the Appender is started, false otherwise.</em>
<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isStarted() {
<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">return</strong> started;
<a class="jxr_linenumber" name="154" href="#154">154</a> }
<a class="jxr_linenumber" name="155" href="#155">155</a>
<a class="jxr_linenumber" name="156" href="#156">156</a> @Override
<a class="jxr_linenumber" name="157" href="#157">157</a> <strong class="jxr_keyword">public</strong> String toString() {
<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">return</strong> name;
<a class="jxr_linenumber" name="159" href="#159">159</a> }
<a class="jxr_linenumber" name="160" href="#160">160</a>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment"> * Handle an error with a message.</em>
<a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment"> * @param msg The message.</em>
<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="165" href="#165">165</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> error(String msg) {
<a class="jxr_linenumber" name="166" href="#166">166</a> handler.error(msg);
<a class="jxr_linenumber" name="167" href="#167">167</a> }
<a class="jxr_linenumber" name="168" href="#168">168</a>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment"> * Handle an error with a message and an exception.</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment"> * @param msg The message.</em>
<a class="jxr_linenumber" name="172" href="#172">172</a> <em class="jxr_javadoccomment"> * @param t The Throwable.</em>
<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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> error(String msg, Throwable t) {
<a class="jxr_linenumber" name="175" href="#175">175</a> handler.error(msg, t);
<a class="jxr_linenumber" name="176" href="#176">176</a> }
<a class="jxr_linenumber" name="177" href="#177">177</a>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment"> * Handle an error with a message, and exception and a logging event.</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment"> * @param msg The message.</em>
<a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * @param event The LogEvent.</em>
<a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> * @param t The Throwable.</em>
<a class="jxr_linenumber" name="183" href="#183">183</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> error(String msg, <a href="../../../../../../org/apache/logging/log4j/core/LogEvent.html">LogEvent</a> event, Throwable t) {
<a class="jxr_linenumber" name="185" href="#185">185</a> handler.error(msg, event, t);
<a class="jxr_linenumber" name="186" href="#186">186</a> }
<a class="jxr_linenumber" name="187" href="#187">187</a>
<a class="jxr_linenumber" name="188" href="#188">188</a> }
</pre>
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