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| <div id="overview"><a href="../../../../../../../apidocs/org/apache/logging/log4j/core/selector/JNDIContextSelector.html">View Javadoc</a></div><pre> |
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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.selector; |
| <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.LoggerContext; |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.helpers.Constants; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.core.javaee.ContextAnchor; |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.status.StatusLogger; |
| <a class="jxr_linenumber" name="23" href="#23">23</a> |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> javax.naming.Context; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> javax.naming.InitialContext; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> javax.naming.NameNotFoundException; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> javax.naming.NamingException; |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList; |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.Collections; |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.List; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> java.util.Map; |
| <a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentHashMap; |
| <a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> java.util.concurrent.ConcurrentMap; |
| <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"> * This class can be used to define a</em> |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <em class="jxr_javadoccomment"> * custom logger repository. It makes use of the fact that in J2EE</em> |
| <a class="jxr_linenumber" name="38" href="#38">38</a> <em class="jxr_javadoccomment"> * environments, each web-application is guaranteed to have its own JNDI</em> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <em class="jxr_javadoccomment"> * context relative to the <code>java:comp/env</code> context. In EJBs, each</em> |
| <a class="jxr_linenumber" name="40" href="#40">40</a> <em class="jxr_javadoccomment"> * enterprise bean (albeit not each application) has its own context relative</em> |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <em class="jxr_javadoccomment"> * to the <code>java:comp/env</code> context. An <code>env-entry</code> in a</em> |
| <a class="jxr_linenumber" name="42" href="#42">42</a> <em class="jxr_javadoccomment"> * deployment descriptor provides the information to the JNDI context. Once the</em> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment"> * <code>env-entry</code> is set, a repository selector can query the JNDI</em> |
| <a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * application context to look up the value of the entry. The logging context of</em> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * the web-application will depend on the value the env-entry. The JNDI context</em> |
| <a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> * which is looked up by this class is</em> |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <em class="jxr_javadoccomment"> * <code>java:comp/env/log4j/context-name</code>.</em> |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <em class="jxr_javadoccomment"> * <p>Here is an example of an <code>env-entry<code>:</em> |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <em class="jxr_javadoccomment"> * <blockquote></em> |
| <a class="jxr_linenumber" name="51" href="#51">51</a> <em class="jxr_javadoccomment"> * <pre></em> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <em class="jxr_javadoccomment"> * &lt;env-entry&gt;</em> |
| <a class="jxr_linenumber" name="53" href="#53">53</a> <em class="jxr_javadoccomment"> * &lt;description&gt;JNDI logging context name for this app&lt;/description&gt;</em> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> <em class="jxr_javadoccomment"> * &lt;env-entry-name&gt;log4j/context-name&lt;/env-entry-name&gt;</em> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <em class="jxr_javadoccomment"> * &lt;env-entry-value&gt;aDistinctiveLoggingContextName&lt;/env-entry-value&gt;</em> |
| <a class="jxr_linenumber" name="56" href="#56">56</a> <em class="jxr_javadoccomment"> * &lt;env-entry-type&gt;java.lang.String&lt;/env-entry-type&gt;</em> |
| <a class="jxr_linenumber" name="57" href="#57">57</a> <em class="jxr_javadoccomment"> * &lt;/env-entry&gt;</em> |
| <a class="jxr_linenumber" name="58" href="#58">58</a> <em class="jxr_javadoccomment"> * </pre></em> |
| <a class="jxr_linenumber" name="59" href="#59">59</a> <em class="jxr_javadoccomment"> * </blockquote></em> |
| <a class="jxr_linenumber" name="60" href="#60">60</a> <em class="jxr_javadoccomment"> * </p></em> |
| <a class="jxr_linenumber" name="61" href="#61">61</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * <p><em>If multiple applications use the same logging context name, then they</em> |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> * will share the same logging context.</em></em> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <em class="jxr_javadoccomment"> * </p></em> |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <em class="jxr_javadoccomment"> *</em> |
| <a class="jxr_linenumber" name="66" href="#66">66</a> <em class="jxr_javadoccomment"> *<p>You can also specify the URL for this context's configuration resource.</em> |
| <a class="jxr_linenumber" name="67" href="#67">67</a> <em class="jxr_javadoccomment"> * This repository selector (ContextJNDISelector) will use this resource</em> |
| <a class="jxr_linenumber" name="68" href="#68">68</a> <em class="jxr_javadoccomment"> * to automatically configure the log4j repository.</em> |
| <a class="jxr_linenumber" name="69" href="#69">69</a> <em class="jxr_javadoccomment"> *</p></em> |
| <a class="jxr_linenumber" name="70" href="#70">70</a> <em class="jxr_javadoccomment"> ** <blockquote></em> |
| <a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment"> * <pre></em> |
| <a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * &lt;env-entry&gt;</em> |
| <a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * &lt;description&gt;URL for configuring log4j context&lt;/description&gt;</em> |
| <a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> * &lt;env-entry-name&gt;log4j/configuration-resource&lt;/env-entry-name&gt;</em> |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * &lt;env-entry-value&gt;urlOfConfigrationResource&lt;/env-entry-value&gt;</em> |
| <a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * &lt;env-entry-type&gt;java.lang.String&lt;/env-entry-type&gt;</em> |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment"> * &lt;/env-entry&gt;</em> |
| <a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * </pre></em> |
| <a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * </blockquote></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> <em class="jxr_javadoccomment"> * <p>It usually good practice for configuration resources of distinct</em> |
| <a class="jxr_linenumber" name="82" href="#82">82</a> <em class="jxr_javadoccomment"> * applications to have distinct names. However, if this is not possible</em> |
| <a class="jxr_linenumber" name="83" href="#83">83</a> <em class="jxr_javadoccomment"> * Naming</em> |
| <a class="jxr_linenumber" name="84" href="#84">84</a> <em class="jxr_javadoccomment"> * </p></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> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/selector/JNDIContextSelector.html">JNDIContextSelector</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../../../org/apache/logging/log4j/core/selector/NamedContextSelector.html">NamedContextSelector</a> { |
| <a class="jxr_linenumber" name="88" href="#88">88</a> |
| <a class="jxr_linenumber" name="89" href="#89">89</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> context = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a>(<span class="jxr_string">"Default"</span>); |
| <a class="jxr_linenumber" name="90" href="#90">90</a> |
| <a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> ConcurrentMap<String, LoggerContext> contextMap = |
| <a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">new</strong> ConcurrentHashMap<String, LoggerContext>(); |
| <a class="jxr_linenumber" name="93" href="#93">93</a> |
| <a class="jxr_linenumber" name="94" href="#94">94</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> StatusLogger LOGGER = StatusLogger.getLogger(); |
| <a class="jxr_linenumber" name="95" href="#95">95</a> |
| <a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> getContext(String fqcn, <strong class="jxr_keyword">boolean</strong> currentContext) { |
| <a class="jxr_linenumber" name="97" href="#97">97</a> |
| <a class="jxr_linenumber" name="98" href="#98">98</a> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> lc = ContextAnchor.THREAD_CONTEXT.get(); |
| <a class="jxr_linenumber" name="99" href="#99">99</a> <strong class="jxr_keyword">if</strong> (lc != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="100" href="#100">100</a> <strong class="jxr_keyword">return</strong> lc; |
| <a class="jxr_linenumber" name="101" href="#101">101</a> } |
| <a class="jxr_linenumber" name="102" href="#102">102</a> |
| <a class="jxr_linenumber" name="103" href="#103">103</a> String loggingContextName = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="104" href="#104">104</a> |
| <a class="jxr_linenumber" name="105" href="#105">105</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="106" href="#106">106</a> Context ctx = <strong class="jxr_keyword">new</strong> InitialContext(); |
| <a class="jxr_linenumber" name="107" href="#107">107</a> loggingContextName = (String) lookup(ctx, Constants.JNDI_CONTEXT_NAME); |
| <a class="jxr_linenumber" name="108" href="#108">108</a> } <strong class="jxr_keyword">catch</strong> (NamingException ne) { |
| <a class="jxr_linenumber" name="109" href="#109">109</a> LOGGER.error(<span class="jxr_string">"Unable to lookup "</span> + Constants.JNDI_CONTEXT_NAME, ne); |
| <a class="jxr_linenumber" name="110" href="#110">110</a> } |
| <a class="jxr_linenumber" name="111" href="#111">111</a> |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <strong class="jxr_keyword">return</strong> loggingContextName == <strong class="jxr_keyword">null</strong> ? context : locateContext(loggingContextName, <strong class="jxr_keyword">null</strong>); |
| <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> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> locateContext(String name, String configLocation) { |
| <a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">if</strong> (name == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="117" href="#117">117</a> LOGGER.error(<span class="jxr_string">"A context name is required to locate a LoggerContext"</span>); |
| <a class="jxr_linenumber" name="118" href="#118">118</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="119" href="#119">119</a> } |
| <a class="jxr_linenumber" name="120" href="#120">120</a> <strong class="jxr_keyword">if</strong> (!contextMap.containsKey(name)) { |
| <a class="jxr_linenumber" name="121" href="#121">121</a> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> ctx = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a>(name, <strong class="jxr_keyword">null</strong>, configLocation); |
| <a class="jxr_linenumber" name="122" href="#122">122</a> contextMap.putIfAbsent(name, ctx); |
| <a class="jxr_linenumber" name="123" href="#123">123</a> } |
| <a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">return</strong> contextMap.get(name); |
| <a class="jxr_linenumber" name="125" href="#125">125</a> } |
| <a class="jxr_linenumber" name="126" href="#126">126</a> |
| <a class="jxr_linenumber" name="127" href="#127">127</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> removeContext(<a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> context) { |
| <a class="jxr_linenumber" name="128" href="#128">128</a> |
| <a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">for</strong> (Map.Entry<String, LoggerContext> entry : contextMap.entrySet()) { |
| <a class="jxr_linenumber" name="130" href="#130">130</a> <strong class="jxr_keyword">if</strong> (entry.getValue().equals(context)) { |
| <a class="jxr_linenumber" name="131" href="#131">131</a> contextMap.remove(entry.getKey()); |
| <a class="jxr_linenumber" name="132" href="#132">132</a> } |
| <a class="jxr_linenumber" name="133" href="#133">133</a> } |
| <a class="jxr_linenumber" name="134" href="#134">134</a> } |
| <a class="jxr_linenumber" name="135" href="#135">135</a> |
| <a class="jxr_linenumber" name="136" href="#136">136</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/LoggerContext.html">LoggerContext</a> removeContext(String name) { |
| <a class="jxr_linenumber" name="137" href="#137">137</a> <strong class="jxr_keyword">return</strong> contextMap.remove(name); |
| <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> <strong class="jxr_keyword">public</strong> List<LoggerContext> getLoggerContexts() { |
| <a class="jxr_linenumber" name="141" href="#141">141</a> List<LoggerContext> list = <strong class="jxr_keyword">new</strong> ArrayList<LoggerContext>(contextMap.values()); |
| <a class="jxr_linenumber" name="142" href="#142">142</a> <strong class="jxr_keyword">return</strong> Collections.unmodifiableList(list); |
| <a class="jxr_linenumber" name="143" href="#143">143</a> } |
| <a class="jxr_linenumber" name="144" href="#144">144</a> |
| <a class="jxr_linenumber" name="145" href="#145">145</a> |
| <a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">static</strong> Object lookup(Context ctx, String name) <strong class="jxr_keyword">throws</strong> NamingException { |
| <a class="jxr_linenumber" name="147" href="#147">147</a> <strong class="jxr_keyword">if</strong> (ctx == <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="149" href="#149">149</a> } |
| <a class="jxr_linenumber" name="150" href="#150">150</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="151" href="#151">151</a> <strong class="jxr_keyword">return</strong> ctx.lookup(name); |
| <a class="jxr_linenumber" name="152" href="#152">152</a> } <strong class="jxr_keyword">catch</strong> (NameNotFoundException e) { |
| <a class="jxr_linenumber" name="153" href="#153">153</a> LOGGER.error(<span class="jxr_string">"Could not find name ["</span> + name + <span class="jxr_string">"]."</span>); |
| <a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">throw</strong> e; |
| <a class="jxr_linenumber" name="155" href="#155">155</a> } |
| <a class="jxr_linenumber" name="156" href="#156">156</a> } |
| <a class="jxr_linenumber" name="157" href="#157">157</a> } |
| </pre> |
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