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| <div id="overview"><a href="../../../../../apidocs/org/apache/log4j/nt/NTEventLogAppender.html">View Javadoc</a></div><pre> |
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| <a name="1" href="#1">1</a> <em class="jxr_comment">/*</em> |
| <a name="2" href="#2">2</a> <em class="jxr_comment"> * Licensed to the Apache Software Foundation (ASF) under one or more</em> |
| <a name="3" href="#3">3</a> <em class="jxr_comment"> * contributor license agreements. See the NOTICE file distributed with</em> |
| <a name="4" href="#4">4</a> <em class="jxr_comment"> * this work for additional information regarding copyright ownership.</em> |
| <a 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 name="6" href="#6">6</a> <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with</em> |
| <a name="7" href="#7">7</a> <em class="jxr_comment"> * the License. You may obtain a copy of the License at</em> |
| <a name="8" href="#8">8</a> <em class="jxr_comment"> * </em> |
| <a 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 name="10" href="#10">10</a> <em class="jxr_comment"> * </em> |
| <a name="11" href="#11">11</a> <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em> |
| <a name="12" href="#12">12</a> <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em> |
| <a name="13" href="#13">13</a> <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em> |
| <a name="14" href="#14">14</a> <em class="jxr_comment"> * See the License for the specific language governing permissions and</em> |
| <a name="15" href="#15">15</a> <em class="jxr_comment"> * limitations under the License.</em> |
| <a name="16" href="#16">16</a> <em class="jxr_comment"> */</em> |
| <a name="17" href="#17">17</a> |
| <a name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.log4j.nt; |
| <a name="19" href="#19">19</a> |
| <a name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.AppenderSkeleton; |
| <a name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.Layout; |
| <a name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.TTCCLayout; |
| <a name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.helpers.LogLog; |
| <a name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> org.apache.log4j.spi.LoggingEvent; |
| <a name="25" href="#25">25</a> |
| <a name="26" href="#26">26</a> |
| <a name="27" href="#27">27</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="28" href="#28">28</a> <em class="jxr_javadoccomment"> Append to the NT event log system.</em> |
| <a name="29" href="#29">29</a> |
| <a name="30" href="#30">30</a> <em class="jxr_javadoccomment"> <p><b>WARNING</b> This appender can only be installed and used on a</em> |
| <a name="31" href="#31">31</a> <em class="jxr_javadoccomment"> Windows system.</em> |
| <a name="32" href="#32">32</a> |
| <a name="33" href="#33">33</a> <em class="jxr_javadoccomment"> <p>Do not forget to place NTEventLogAppender.dll,</em> |
| <a name="34" href="#34">34</a> <em class="jxr_javadoccomment"> NTEventLogAppender.amd64.dll, NTEventLogAppender.ia64.dll</em> |
| <a name="35" href="#35">35</a> <em class="jxr_javadoccomment"> or NTEventLogAppender.x86.dll as appropriate in a</em> |
| <a name="36" href="#36">36</a> <em class="jxr_javadoccomment"> directory that is on the PATH of the Windows system. Otherwise, you</em> |
| <a name="37" href="#37">37</a> <em class="jxr_javadoccomment"> will get a java.lang.UnsatisfiedLinkError.</em> |
| <a name="38" href="#38">38</a> |
| <a name="39" href="#39">39</a> <em class="jxr_javadoccomment"> @author <a href="<a href="mailto:cstaylor@pacbell.net" target="alexandria_uri">mailto:cstaylor@pacbell.net</a>">Chris Taylor</a></em> |
| <a name="40" href="#40">40</a> <em class="jxr_javadoccomment"> @author <a href="<a href="mailto:jim_cakalic@na.biomerieux.com" target="alexandria_uri">mailto:jim_cakalic@na.biomerieux.com</a>">Jim Cakalic</a> */</em> |
| <a name="41" href="#41">41</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/log4j/AppenderSkeleton.html">AppenderSkeleton</a> { |
| <a name="42" href="#42">42</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> _handle = 0; |
| <a name="43" href="#43">43</a> |
| <a name="44" href="#44">44</a> <strong class="jxr_keyword">private</strong> String source = <strong class="jxr_keyword">null</strong>; |
| <a name="45" href="#45">45</a> <strong class="jxr_keyword">private</strong> String server = <strong class="jxr_keyword">null</strong>; |
| <a name="46" href="#46">46</a> |
| <a name="47" href="#47">47</a> |
| <a name="48" href="#48">48</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a>() { |
| <a name="49" href="#49">49</a> <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>); |
| <a name="50" href="#50">50</a> } |
| <a name="51" href="#51">51</a> |
| <a name="52" href="#52">52</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a>(String source) { |
| <a name="53" href="#53">53</a> <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">null</strong>, source, <strong class="jxr_keyword">null</strong>); |
| <a name="54" href="#54">54</a> } |
| <a name="55" href="#55">55</a> |
| <a name="56" href="#56">56</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a>(String server, String source) { |
| <a name="57" href="#57">57</a> <strong class="jxr_keyword">this</strong>(server, source, <strong class="jxr_keyword">null</strong>); |
| <a name="58" href="#58">58</a> } |
| <a name="59" href="#59">59</a> |
| <a name="60" href="#60">60</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a>(<a href="../../../../org/apache/log4j/Layout.html">Layout</a> layout) { |
| <a name="61" href="#61">61</a> <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">null</strong>, <strong class="jxr_keyword">null</strong>, layout); |
| <a name="62" href="#62">62</a> } |
| <a name="63" href="#63">63</a> |
| <a name="64" href="#64">64</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a>(String source, <a href="../../../../org/apache/log4j/Layout.html">Layout</a> layout) { |
| <a name="65" href="#65">65</a> <strong class="jxr_keyword">this</strong>(<strong class="jxr_keyword">null</strong>, source, layout); |
| <a name="66" href="#66">66</a> } |
| <a name="67" href="#67">67</a> |
| <a name="68" href="#68">68</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/log4j/nt/NTEventLogAppender.html">NTEventLogAppender</a>(String server, String source, <a href="../../../../org/apache/log4j/Layout.html">Layout</a> layout) { |
| <a name="69" href="#69">69</a> <strong class="jxr_keyword">if</strong> (source == <strong class="jxr_keyword">null</strong>) { |
| <a name="70" href="#70">70</a> source = <span class="jxr_string">"Log4j"</span>; |
| <a name="71" href="#71">71</a> } |
| <a name="72" href="#72">72</a> <strong class="jxr_keyword">if</strong> (layout == <strong class="jxr_keyword">null</strong>) { |
| <a name="73" href="#73">73</a> <strong class="jxr_keyword">this</strong>.layout = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/log4j/TTCCLayout.html">TTCCLayout</a>(); |
| <a name="74" href="#74">74</a> } <strong class="jxr_keyword">else</strong> { |
| <a name="75" href="#75">75</a> <strong class="jxr_keyword">this</strong>.layout = layout; |
| <a name="76" href="#76">76</a> } |
| <a name="77" href="#77">77</a> |
| <a name="78" href="#78">78</a> <strong class="jxr_keyword">try</strong> { |
| <a name="79" href="#79">79</a> _handle = registerEventSource(server, source); |
| <a name="80" href="#80">80</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="81" href="#81">81</a> e.printStackTrace(); |
| <a name="82" href="#82">82</a> _handle = 0; |
| <a name="83" href="#83">83</a> } |
| <a name="84" href="#84">84</a> } |
| <a name="85" href="#85">85</a> |
| <a name="86" href="#86">86</a> <strong class="jxr_keyword">public</strong> |
| <a name="87" href="#87">87</a> <strong class="jxr_keyword">void</strong> close() { |
| <a name="88" href="#88">88</a> <em class="jxr_comment">// unregister ...</em> |
| <a name="89" href="#89">89</a> } |
| <a name="90" href="#90">90</a> |
| <a name="91" href="#91">91</a> <strong class="jxr_keyword">public</strong> |
| <a name="92" href="#92">92</a> <strong class="jxr_keyword">void</strong> activateOptions() { |
| <a name="93" href="#93">93</a> <strong class="jxr_keyword">if</strong> (source != <strong class="jxr_keyword">null</strong>) { |
| <a name="94" href="#94">94</a> <strong class="jxr_keyword">try</strong> { |
| <a name="95" href="#95">95</a> _handle = registerEventSource(server, source); |
| <a name="96" href="#96">96</a> } <strong class="jxr_keyword">catch</strong> (Exception e) { |
| <a name="97" href="#97">97</a> LogLog.error(<span class="jxr_string">"Could not register event source."</span>, e); |
| <a name="98" href="#98">98</a> _handle = 0; |
| <a name="99" href="#99">99</a> } |
| <a name="100" href="#100">100</a> } |
| <a name="101" href="#101">101</a> } |
| <a name="102" href="#102">102</a> |
| <a name="103" href="#103">103</a> |
| <a name="104" href="#104">104</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> append(<a href="../../../../org/apache/log4j/spi/LoggingEvent.html">LoggingEvent</a> event) { |
| <a name="105" href="#105">105</a> |
| <a name="106" href="#106">106</a> StringBuffer sbuf = <strong class="jxr_keyword">new</strong> StringBuffer(); |
| <a name="107" href="#107">107</a> |
| <a name="108" href="#108">108</a> sbuf.append(layout.format(event)); |
| <a name="109" href="#109">109</a> <strong class="jxr_keyword">if</strong>(layout.ignoresThrowable()) { |
| <a name="110" href="#110">110</a> String[] s = event.getThrowableStrRep(); |
| <a name="111" href="#111">111</a> <strong class="jxr_keyword">if</strong> (s != <strong class="jxr_keyword">null</strong>) { |
| <a name="112" href="#112">112</a> <strong class="jxr_keyword">int</strong> len = s.length; |
| <a name="113" href="#113">113</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i < len; i++) { |
| <a name="114" href="#114">114</a> sbuf.append(s[i]); |
| <a name="115" href="#115">115</a> } |
| <a name="116" href="#116">116</a> } |
| <a name="117" href="#117">117</a> } |
| <a name="118" href="#118">118</a> <em class="jxr_comment">// Normalize the log message level into the supported categories</em> |
| <a name="119" href="#119">119</a> <strong class="jxr_keyword">int</strong> nt_category = event.getLevel().toInt(); |
| <a name="120" href="#120">120</a> |
| <a name="121" href="#121">121</a> <em class="jxr_comment">// Anything above FATAL or below DEBUG is labeled as INFO.</em> |
| <a name="122" href="#122">122</a> <em class="jxr_comment">//if (nt_category > FATAL || nt_category < DEBUG) {</em> |
| <a name="123" href="#123">123</a> <em class="jxr_comment">// nt_category = INFO;</em> |
| <a name="124" href="#124">124</a> <em class="jxr_comment">//}</em> |
| <a name="125" href="#125">125</a> reportEvent(_handle, sbuf.toString(), nt_category); |
| <a name="126" href="#126">126</a> } |
| <a name="127" href="#127">127</a> |
| <a name="128" href="#128">128</a> |
| <a name="129" href="#129">129</a> <strong class="jxr_keyword">public</strong> |
| <a name="130" href="#130">130</a> <strong class="jxr_keyword">void</strong> finalize() { |
| <a name="131" href="#131">131</a> deregisterEventSource(_handle); |
| <a name="132" href="#132">132</a> _handle = 0; |
| <a name="133" href="#133">133</a> } |
| <a name="134" href="#134">134</a> |
| <a name="135" href="#135">135</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="136" href="#136">136</a> <em class="jxr_javadoccomment"> The <b>Source</b> option which names the source of the event. The</em> |
| <a name="137" href="#137">137</a> <em class="jxr_javadoccomment"> current value of this constant is <b>Source</b>.</em> |
| <a name="138" href="#138">138</a> <em class="jxr_javadoccomment"> */</em> |
| <a name="139" href="#139">139</a> <strong class="jxr_keyword">public</strong> |
| <a name="140" href="#140">140</a> <strong class="jxr_keyword">void</strong> setSource(String source) { |
| <a name="141" href="#141">141</a> <strong class="jxr_keyword">this</strong>.source = source.trim(); |
| <a name="142" href="#142">142</a> } |
| <a name="143" href="#143">143</a> |
| <a name="144" href="#144">144</a> <strong class="jxr_keyword">public</strong> |
| <a name="145" href="#145">145</a> String getSource() { |
| <a name="146" href="#146">146</a> <strong class="jxr_keyword">return</strong> source; |
| <a name="147" href="#147">147</a> } |
| <a name="148" href="#148">148</a> |
| <a name="149" href="#149">149</a> <em class="jxr_javadoccomment">/**</em> |
| <a name="150" href="#150">150</a> <em class="jxr_javadoccomment"> The <code>NTEventLogAppender</code> requires a layout. Hence,</em> |
| <a name="151" href="#151">151</a> <em class="jxr_javadoccomment"> this method always returns <code>true</code>. */</em> |
| <a name="152" href="#152">152</a> <strong class="jxr_keyword">public</strong> |
| <a name="153" href="#153">153</a> <strong class="jxr_keyword">boolean</strong> requiresLayout() { |
| <a name="154" href="#154">154</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>; |
| <a name="155" href="#155">155</a> } |
| <a name="156" href="#156">156</a> |
| <a name="157" href="#157">157</a> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> registerEventSource(String server, String source); |
| <a name="158" href="#158">158</a> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> reportEvent(<strong class="jxr_keyword">int</strong> handle, String message, <strong class="jxr_keyword">int</strong> level); |
| <a name="159" href="#159">159</a> <strong class="jxr_keyword">native</strong> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> deregisterEventSource(<strong class="jxr_keyword">int</strong> handle); |
| <a name="160" href="#160">160</a> |
| <a name="161" href="#161">161</a> <strong class="jxr_keyword">static</strong> { |
| <a name="162" href="#162">162</a> String[] archs; |
| <a name="163" href="#163">163</a> <strong class="jxr_keyword">try</strong> { |
| <a name="164" href="#164">164</a> archs = <strong class="jxr_keyword">new</strong> String[] { System.getProperty(<span class="jxr_string">"os.arch"</span>)}; |
| <a name="165" href="#165">165</a> } <strong class="jxr_keyword">catch</strong>(SecurityException e) { |
| <a name="166" href="#166">166</a> archs = <strong class="jxr_keyword">new</strong> String[] { <span class="jxr_string">"amd64"</span>, <span class="jxr_string">"ia64"</span>, <span class="jxr_string">"x86"</span>}; |
| <a name="167" href="#167">167</a> } |
| <a name="168" href="#168">168</a> <strong class="jxr_keyword">boolean</strong> loaded = false; |
| <a name="169" href="#169">169</a> <strong class="jxr_keyword">for</strong>(<strong class="jxr_keyword">int</strong> i = 0; i < archs.length; i++) { |
| <a name="170" href="#170">170</a> <strong class="jxr_keyword">try</strong> { |
| <a name="171" href="#171">171</a> System.loadLibrary(<span class="jxr_string">"NTEventLogAppender."</span> + archs[i]); |
| <a name="172" href="#172">172</a> loaded = <strong class="jxr_keyword">true</strong>; |
| <a name="173" href="#173">173</a> <strong class="jxr_keyword">break</strong>; |
| <a name="174" href="#174">174</a> } <strong class="jxr_keyword">catch</strong>(java.lang.UnsatisfiedLinkError e) { |
| <a name="175" href="#175">175</a> loaded = false; |
| <a name="176" href="#176">176</a> } |
| <a name="177" href="#177">177</a> } |
| <a name="178" href="#178">178</a> <strong class="jxr_keyword">if</strong> (!loaded) { |
| <a name="179" href="#179">179</a> System.loadLibrary(<span class="jxr_string">"NTEventLogAppender"</span>); |
| <a name="180" href="#180">180</a> } |
| <a name="181" href="#181">181</a> } |
| <a name="182" href="#182">182</a> } |
| </pre> |
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