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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.impl; |
| <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.helpers.Loader; |
| <a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> org.apache.logging.log4j.status.StatusLogger; |
| <a class="jxr_linenumber" name="21" href="#21">21</a> |
| <a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.io.PrintStream; |
| <a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.io.PrintWriter; |
| <a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.lang.reflect.Method; |
| <a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.lang.reflect.Modifier; |
| <a class="jxr_linenumber" name="26" href="#26">26</a> <strong class="jxr_keyword">import</strong> java.net.URL; |
| <a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> java.security.CodeSource; |
| <a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> java.util.HashMap; |
| <a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> java.util.Map; |
| <a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> java.util.Stack; |
| <a class="jxr_linenumber" name="31" href="#31">31</a> |
| <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> <em class="jxr_javadoccomment"> * Wraps a Throwable to add packaging information about each stack trace element.</em> |
| <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> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a> <strong class="jxr_keyword">extends</strong> Throwable { |
| <a class="jxr_linenumber" name="36" href="#36">36</a> |
| <a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong> serialVersionUID = -2752771578252251910L; |
| <a class="jxr_linenumber" name="38" href="#38">38</a> |
| <a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Method getCallerClass; |
| <a class="jxr_linenumber" name="40" href="#40">40</a> |
| <a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">PrivateSecurityManager</a> securityManager; |
| <a class="jxr_linenumber" name="42" href="#42">42</a> |
| <a class="jxr_linenumber" name="43" href="#43">43</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> org.apache.logging.log4j.Logger LOGGER = StatusLogger.getLogger(); |
| <a class="jxr_linenumber" name="44" href="#44">44</a> |
| <a class="jxr_linenumber" name="45" href="#45">45</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> Method getSuppressed; |
| <a class="jxr_linenumber" name="46" href="#46">46</a> |
| <a class="jxr_linenumber" name="47" href="#47">47</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Throwable throwable; |
| <a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a> cause; |
| <a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>[] suppressed; |
| <a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">int</strong> commonElementCount; |
| <a class="jxr_linenumber" name="51" href="#51">51</a> |
| <a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a>[] callerPackageData; |
| <a class="jxr_linenumber" name="53" href="#53">53</a> |
| <a class="jxr_linenumber" name="54" href="#54">54</a> |
| <a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">static</strong> { |
| <a class="jxr_linenumber" name="56" href="#56">56</a> setupCallerCheck(); |
| <a class="jxr_linenumber" name="57" href="#57">57</a> versionCheck(); |
| <a class="jxr_linenumber" name="58" href="#58">58</a> } |
| <a class="jxr_linenumber" name="59" href="#59">59</a> |
| <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> <em class="jxr_javadoccomment"> * Construct the wrapper for the Throwable that includes packaging data.</em> |
| <a class="jxr_linenumber" name="62" href="#62">62</a> <em class="jxr_javadoccomment"> * @param throwable The Throwable to wrap.</em> |
| <a class="jxr_linenumber" name="63" href="#63">63</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>(Throwable throwable) { |
| <a class="jxr_linenumber" name="65" href="#65">65</a> <strong class="jxr_keyword">this</strong>.throwable = throwable; |
| <a class="jxr_linenumber" name="66" href="#66">66</a> Map<String, CacheEntry> map = <strong class="jxr_keyword">new</strong> HashMap<String, CacheEntry>(); |
| <a class="jxr_linenumber" name="67" href="#67">67</a> Stack<Class> stack = getCurrentStack(); |
| <a class="jxr_linenumber" name="68" href="#68">68</a> callerPackageData = resolvePackageData(stack, map, <strong class="jxr_keyword">null</strong>, throwable.getStackTrace()); |
| <a class="jxr_linenumber" name="69" href="#69">69</a> <strong class="jxr_keyword">this</strong>.cause = (throwable.getCause() == <strong class="jxr_keyword">null</strong>) ? <strong class="jxr_keyword">null</strong> : |
| <a class="jxr_linenumber" name="70" href="#70">70</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>(throwable, stack, map, throwable.getCause()); |
| <a class="jxr_linenumber" name="71" href="#71">71</a> suppressed = getSuppressed(throwable); |
| <a class="jxr_linenumber" name="72" href="#72">72</a> } |
| <a class="jxr_linenumber" name="73" href="#73">73</a> |
| <a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="75" href="#75">75</a> <em class="jxr_javadoccomment"> * Constructs the wrapper for a Throwable that is referenced as the cause by another</em> |
| <a class="jxr_linenumber" name="76" href="#76">76</a> <em class="jxr_javadoccomment"> * Throwable.</em> |
| <a class="jxr_linenumber" name="77" href="#77">77</a> <em class="jxr_javadoccomment"> * @param parent The Throwable referencing this Throwable.</em> |
| <a class="jxr_linenumber" name="78" href="#78">78</a> <em class="jxr_javadoccomment"> * @param stack The Class stack.</em> |
| <a class="jxr_linenumber" name="79" href="#79">79</a> <em class="jxr_javadoccomment"> * @param map The cache containing the packaging data.</em> |
| <a class="jxr_linenumber" name="80" href="#80">80</a> <em class="jxr_javadoccomment"> * @param cause The Throwable to wrap.</em> |
| <a class="jxr_linenumber" name="81" href="#81">81</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>(Throwable parent, Stack<Class> stack, Map<String, CacheEntry> map, Throwable cause) { |
| <a class="jxr_linenumber" name="83" href="#83">83</a> <strong class="jxr_keyword">this</strong>.throwable = cause; |
| <a class="jxr_linenumber" name="84" href="#84">84</a> callerPackageData = resolvePackageData(stack, map, parent.getStackTrace(), cause.getStackTrace()); |
| <a class="jxr_linenumber" name="85" href="#85">85</a> <strong class="jxr_keyword">this</strong>.cause = (throwable.getCause() == <strong class="jxr_keyword">null</strong>) ? <strong class="jxr_keyword">null</strong> : |
| <a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>(parent, stack, map, throwable.getCause()); |
| <a class="jxr_linenumber" name="87" href="#87">87</a> suppressed = getSuppressed(throwable); |
| <a class="jxr_linenumber" name="88" href="#88">88</a> } |
| <a class="jxr_linenumber" name="89" href="#89">89</a> |
| <a class="jxr_linenumber" name="90" href="#90">90</a> |
| <a class="jxr_linenumber" name="91" href="#91">91</a> @Override |
| <a class="jxr_linenumber" name="92" href="#92">92</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setStackTrace(StackTraceElement[] stackTraceElements) { |
| <a class="jxr_linenumber" name="93" href="#93">93</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException(<span class="jxr_string">"Cannot set the stack trace on a ThrowableProxy"</span>); |
| <a class="jxr_linenumber" name="94" href="#94">94</a> } |
| <a class="jxr_linenumber" name="95" href="#95">95</a> |
| <a class="jxr_linenumber" name="96" href="#96">96</a> @Override |
| <a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">public</strong> String getMessage() { |
| <a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">return</strong> throwable.getMessage(); |
| <a class="jxr_linenumber" name="99" href="#99">99</a> } |
| <a class="jxr_linenumber" name="100" href="#100">100</a> |
| <a class="jxr_linenumber" name="101" href="#101">101</a> @Override |
| <a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">public</strong> String getLocalizedMessage() { |
| <a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">return</strong> throwable.getLocalizedMessage(); |
| <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> @Override |
| <a class="jxr_linenumber" name="107" href="#107">107</a> <strong class="jxr_keyword">public</strong> Throwable getCause() { |
| <a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">return</strong> cause; |
| <a class="jxr_linenumber" name="109" href="#109">109</a> } |
| <a class="jxr_linenumber" name="110" href="#110">110</a> |
| <a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * Added in Java 7.</em> |
| <a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * @param exception A Throwable that was suppressed.</em> |
| <a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="115" href="#115">115</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> addSuppressed(Throwable exception) { |
| <a class="jxr_linenumber" name="116" href="#116">116</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> UnsupportedOperationException(<span class="jxr_string">"Cannot add suppressed exceptions to a ThrowableProxy"</span>); |
| <a class="jxr_linenumber" name="117" href="#117">117</a> } |
| <a class="jxr_linenumber" name="118" href="#118">118</a> |
| <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"> * Added in Java 7.</em> |
| <a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment"> * @return Any suppressed exceptions.</em> |
| <a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="123" href="#123">123</a> <strong class="jxr_keyword">public</strong> Throwable[] getSuppressed() { |
| <a class="jxr_linenumber" name="124" href="#124">124</a> <strong class="jxr_keyword">return</strong> suppressed; |
| <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> @Override |
| <a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">public</strong> Throwable initCause(Throwable throwable) { |
| <a class="jxr_linenumber" name="129" href="#129">129</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"Cannot set the cause on a ThrowableProxy"</span>); |
| <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> @Override |
| <a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">public</strong> String toString() { |
| <a class="jxr_linenumber" name="134" href="#134">134</a> <strong class="jxr_keyword">return</strong> throwable.toString(); |
| <a class="jxr_linenumber" name="135" href="#135">135</a> } |
| <a class="jxr_linenumber" name="136" href="#136">136</a> |
| <a class="jxr_linenumber" name="137" href="#137">137</a> @Override |
| <a class="jxr_linenumber" name="138" href="#138">138</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> printStackTrace() { |
| <a class="jxr_linenumber" name="139" href="#139">139</a> throwable.printStackTrace(); |
| <a class="jxr_linenumber" name="140" href="#140">140</a> } |
| <a class="jxr_linenumber" name="141" href="#141">141</a> |
| <a class="jxr_linenumber" name="142" href="#142">142</a> @Override |
| <a class="jxr_linenumber" name="143" href="#143">143</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> printStackTrace(PrintStream printStream) { |
| <a class="jxr_linenumber" name="144" href="#144">144</a> throwable.printStackTrace(printStream); |
| <a class="jxr_linenumber" name="145" href="#145">145</a> } |
| <a class="jxr_linenumber" name="146" href="#146">146</a> |
| <a class="jxr_linenumber" name="147" href="#147">147</a> @Override |
| <a class="jxr_linenumber" name="148" href="#148">148</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> printStackTrace(PrintWriter printWriter) { |
| <a class="jxr_linenumber" name="149" href="#149">149</a> throwable.printStackTrace(printWriter); |
| <a class="jxr_linenumber" name="150" href="#150">150</a> } |
| <a class="jxr_linenumber" name="151" href="#151">151</a> |
| <a class="jxr_linenumber" name="152" href="#152">152</a> @Override |
| <a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">public</strong> Throwable fillInStackTrace() { |
| <a class="jxr_linenumber" name="154" href="#154">154</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">this</strong>; |
| <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> @Override |
| <a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">public</strong> StackTraceElement[] getStackTrace() { |
| <a class="jxr_linenumber" name="159" href="#159">159</a> <strong class="jxr_keyword">return</strong> throwable.getStackTrace(); |
| <a class="jxr_linenumber" name="160" href="#160">160</a> } |
| <a class="jxr_linenumber" name="161" href="#161">161</a> |
| <a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="163" href="#163">163</a> <em class="jxr_javadoccomment"> * Format the Throwable that is the cause of this Throwable.</em> |
| <a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment"> * @return The formatted Throwable that caused this Throwable.</em> |
| <a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="166" href="#166">166</a> <strong class="jxr_keyword">public</strong> String getRootCauseStackTrace() { |
| <a class="jxr_linenumber" name="167" href="#167">167</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(); |
| <a class="jxr_linenumber" name="168" href="#168">168</a> <strong class="jxr_keyword">if</strong> (cause != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="169" href="#169">169</a> formatWrapper(sb, cause); |
| <a class="jxr_linenumber" name="170" href="#170">170</a> sb.append(<span class="jxr_string">"Wrapped by: "</span>); |
| <a class="jxr_linenumber" name="171" href="#171">171</a> } |
| <a class="jxr_linenumber" name="172" href="#172">172</a> sb.append(throwable.toString()); |
| <a class="jxr_linenumber" name="173" href="#173">173</a> sb.append(<span class="jxr_string">"\n"</span>); |
| <a class="jxr_linenumber" name="174" href="#174">174</a> formatElements(sb, 0, throwable.getStackTrace(), callerPackageData); |
| <a class="jxr_linenumber" name="175" href="#175">175</a> <strong class="jxr_keyword">return</strong> sb.toString(); |
| <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"> * Formats the specified Throwable.</em> |
| <a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment"> * @param sb StringBuilder to contain the formatted Throwable.</em> |
| <a class="jxr_linenumber" name="181" href="#181">181</a> <em class="jxr_javadoccomment"> * @param cause The Throwable to format.</em> |
| <a class="jxr_linenumber" name="182" href="#182">182</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="183" href="#183">183</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> formatWrapper(StringBuilder sb, <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a> cause) { |
| <a class="jxr_linenumber" name="184" href="#184">184</a> Throwable caused = cause.getCause(); |
| <a class="jxr_linenumber" name="185" href="#185">185</a> <strong class="jxr_keyword">if</strong> (caused != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="186" href="#186">186</a> formatWrapper(sb, cause.cause); |
| <a class="jxr_linenumber" name="187" href="#187">187</a> sb.append(<span class="jxr_string">"Wrapped by: "</span>); |
| <a class="jxr_linenumber" name="188" href="#188">188</a> } |
| <a class="jxr_linenumber" name="189" href="#189">189</a> sb.append(cause).append(<span class="jxr_string">"\n"</span>); |
| <a class="jxr_linenumber" name="190" href="#190">190</a> formatElements(sb, cause.commonElementCount, cause.getStackTrace(), cause.callerPackageData); |
| <a class="jxr_linenumber" name="191" href="#191">191</a> } |
| <a class="jxr_linenumber" name="192" href="#192">192</a> |
| <a class="jxr_linenumber" name="193" href="#193">193</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="194" href="#194">194</a> <em class="jxr_javadoccomment"> * Format the stack trace including packaging information.</em> |
| <a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment"> * @return The formatted stack trace including packaging information.</em> |
| <a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="197" href="#197">197</a> <strong class="jxr_keyword">public</strong> String getExtendedStackTrace() { |
| <a class="jxr_linenumber" name="198" href="#198">198</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(throwable.toString()); |
| <a class="jxr_linenumber" name="199" href="#199">199</a> sb.append(<span class="jxr_string">"\n"</span>); |
| <a class="jxr_linenumber" name="200" href="#200">200</a> formatElements(sb, 0, throwable.getStackTrace(), callerPackageData); |
| <a class="jxr_linenumber" name="201" href="#201">201</a> <strong class="jxr_keyword">if</strong> (cause != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="202" href="#202">202</a> formatCause(sb, cause); |
| <a class="jxr_linenumber" name="203" href="#203">203</a> } |
| <a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">return</strong> sb.toString(); |
| <a class="jxr_linenumber" name="205" href="#205">205</a> } |
| <a class="jxr_linenumber" name="206" href="#206">206</a> |
| <a class="jxr_linenumber" name="207" href="#207">207</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="208" href="#208">208</a> <em class="jxr_javadoccomment"> * Format the suppressed Throwables.</em> |
| <a class="jxr_linenumber" name="209" href="#209">209</a> <em class="jxr_javadoccomment"> * @return The formatted suppressed Throwables.</em> |
| <a class="jxr_linenumber" name="210" href="#210">210</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="211" href="#211">211</a> <strong class="jxr_keyword">public</strong> String getSuppressedStackTrace() { |
| <a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">if</strong> (suppressed == <strong class="jxr_keyword">null</strong> || suppressed.length == 0) { |
| <a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">return</strong> <span class="jxr_string">""</span>; |
| <a class="jxr_linenumber" name="214" href="#214">214</a> } |
| <a class="jxr_linenumber" name="215" href="#215">215</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder(<span class="jxr_string">"Suppressed Stack Trace Elements:\n"</span>); |
| <a class="jxr_linenumber" name="216" href="#216">216</a> <strong class="jxr_keyword">for</strong> (ThrowableProxy proxy : suppressed) { |
| <a class="jxr_linenumber" name="217" href="#217">217</a> sb.append(proxy.getExtendedStackTrace()); |
| <a class="jxr_linenumber" name="218" href="#218">218</a> } |
| <a class="jxr_linenumber" name="219" href="#219">219</a> <strong class="jxr_keyword">return</strong> sb.toString(); |
| <a class="jxr_linenumber" name="220" href="#220">220</a> } |
| <a class="jxr_linenumber" name="221" href="#221">221</a> |
| <a class="jxr_linenumber" name="222" href="#222">222</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> formatCause(StringBuilder sb, <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a> cause) { |
| <a class="jxr_linenumber" name="223" href="#223">223</a> sb.append(<span class="jxr_string">"Caused by: "</span>).append(cause).append(<span class="jxr_string">"\n"</span>); |
| <a class="jxr_linenumber" name="224" href="#224">224</a> formatElements(sb, cause.commonElementCount, cause.getStackTrace(), cause.callerPackageData); |
| <a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">if</strong> (cause.getCause() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="226" href="#226">226</a> formatCause(sb, cause.cause); |
| <a class="jxr_linenumber" name="227" href="#227">227</a> } |
| <a class="jxr_linenumber" name="228" href="#228">228</a> } |
| <a class="jxr_linenumber" name="229" href="#229">229</a> |
| <a class="jxr_linenumber" name="230" href="#230">230</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> formatElements(StringBuilder sb, <strong class="jxr_keyword">int</strong> commonCount, StackTraceElement[] causedTrace, |
| <a class="jxr_linenumber" name="231" href="#231">231</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a>[] packageData) { |
| <a class="jxr_linenumber" name="232" href="#232">232</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < packageData.length; ++i) { |
| <a class="jxr_linenumber" name="233" href="#233">233</a> sb.append(<span class="jxr_string">"\tat "</span>); |
| <a class="jxr_linenumber" name="234" href="#234">234</a> sb.append(causedTrace[i]); |
| <a class="jxr_linenumber" name="235" href="#235">235</a> sb.append(<span class="jxr_string">" "</span>); |
| <a class="jxr_linenumber" name="236" href="#236">236</a> sb.append(packageData[i]); |
| <a class="jxr_linenumber" name="237" href="#237">237</a> sb.append(<span class="jxr_string">"\n"</span>); |
| <a class="jxr_linenumber" name="238" href="#238">238</a> } |
| <a class="jxr_linenumber" name="239" href="#239">239</a> <strong class="jxr_keyword">if</strong> (commonCount != 0) { |
| <a class="jxr_linenumber" name="240" href="#240">240</a> sb.append(<span class="jxr_string">"\t... "</span>).append(commonCount).append(<span class="jxr_string">" more"</span>).append(<span class="jxr_string">"\n"</span>); |
| <a class="jxr_linenumber" name="241" href="#241">241</a> } |
| <a class="jxr_linenumber" name="242" href="#242">242</a> } |
| <a class="jxr_linenumber" name="243" href="#243">243</a> |
| <a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment"> * Initialize the cache by resolving everything in the current stack trace via Reflection.getCallerClass</em> |
| <a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment"> * or via the SecurityManager if either are available. These are the only Classes that can be trusted</em> |
| <a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment"> * to be accurate.</em> |
| <a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment"> * @return A Deque containing the current stack of Class objects.</em> |
| <a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="250" href="#250">250</a> <strong class="jxr_keyword">private</strong> Stack<Class> getCurrentStack() { |
| <a class="jxr_linenumber" name="251" href="#251">251</a> <strong class="jxr_keyword">if</strong> (getCallerClass != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="252" href="#252">252</a> Stack<Class> classes = <strong class="jxr_keyword">new</strong> Stack<Class>(); |
| <a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">int</strong> index = 2; |
| <a class="jxr_linenumber" name="254" href="#254">254</a> Class clazz = getCallerClass(index); |
| <a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">while</strong> (clazz != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="256" href="#256">256</a> classes.push(clazz); |
| <a class="jxr_linenumber" name="257" href="#257">257</a> clazz = getCallerClass(++index); |
| <a class="jxr_linenumber" name="258" href="#258">258</a> } |
| <a class="jxr_linenumber" name="259" href="#259">259</a> <strong class="jxr_keyword">return</strong> classes; |
| <a class="jxr_linenumber" name="260" href="#260">260</a> } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (securityManager != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="261" href="#261">261</a> Class[] array = securityManager.getClasses(); |
| <a class="jxr_linenumber" name="262" href="#262">262</a> Stack<Class> classes = <strong class="jxr_keyword">new</strong> Stack<Class>(); |
| <a class="jxr_linenumber" name="263" href="#263">263</a> <strong class="jxr_keyword">for</strong> (Class clazz : array) { |
| <a class="jxr_linenumber" name="264" href="#264">264</a> classes.push(clazz); |
| <a class="jxr_linenumber" name="265" href="#265">265</a> } |
| <a class="jxr_linenumber" name="266" href="#266">266</a> <strong class="jxr_keyword">return</strong> classes; |
| <a class="jxr_linenumber" name="267" href="#267">267</a> } |
| <a class="jxr_linenumber" name="268" href="#268">268</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> Stack<Class>(); |
| <a class="jxr_linenumber" name="269" href="#269">269</a> } |
| <a class="jxr_linenumber" name="270" href="#270">270</a> |
| <a class="jxr_linenumber" name="271" href="#271">271</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment"> * Resolve all the stack entries in this stack trace that are not common with the parent.</em> |
| <a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment"> * @param stack The callers Class stack.</em> |
| <a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment"> * @param map The cache of CacheEntry objects.</em> |
| <a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment"> * @param rootTrace The first stack trace resolve or null.</em> |
| <a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment"> * @param stackTrace The stack trace being resolved.</em> |
| <a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment"> * @return The StackTracePackageElement array.</em> |
| <a class="jxr_linenumber" name="278" href="#278">278</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="279" href="#279">279</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a>[] resolvePackageData(Stack<Class> stack, Map<String, CacheEntry> map, |
| <a class="jxr_linenumber" name="280" href="#280">280</a> StackTraceElement[] rootTrace, |
| <a class="jxr_linenumber" name="281" href="#281">281</a> StackTraceElement[] stackTrace) { |
| <a class="jxr_linenumber" name="282" href="#282">282</a> <strong class="jxr_keyword">int</strong> stackLength; |
| <a class="jxr_linenumber" name="283" href="#283">283</a> <strong class="jxr_keyword">if</strong> (rootTrace != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="284" href="#284">284</a> <strong class="jxr_keyword">int</strong> rootIndex = rootTrace.length - 1; |
| <a class="jxr_linenumber" name="285" href="#285">285</a> <strong class="jxr_keyword">int</strong> stackIndex = stackTrace.length - 1; |
| <a class="jxr_linenumber" name="286" href="#286">286</a> <strong class="jxr_keyword">while</strong> (rootIndex >= 0 && stackIndex >= 0 && rootTrace[rootIndex].equals(stackTrace[stackIndex])) { |
| <a class="jxr_linenumber" name="287" href="#287">287</a> --rootIndex; |
| <a class="jxr_linenumber" name="288" href="#288">288</a> --stackIndex; |
| <a class="jxr_linenumber" name="289" href="#289">289</a> } |
| <a class="jxr_linenumber" name="290" href="#290">290</a> commonElementCount = stackTrace.length - 1 - stackIndex; |
| <a class="jxr_linenumber" name="291" href="#291">291</a> stackLength = stackIndex + 1; |
| <a class="jxr_linenumber" name="292" href="#292">292</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="293" href="#293">293</a> commonElementCount = 0; |
| <a class="jxr_linenumber" name="294" href="#294">294</a> stackLength = stackTrace.length; |
| <a class="jxr_linenumber" name="295" href="#295">295</a> } |
| <a class="jxr_linenumber" name="296" href="#296">296</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a>[] packageArray = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a>[stackLength]; |
| <a class="jxr_linenumber" name="297" href="#297">297</a> Class clazz = stack.peek(); |
| <a class="jxr_linenumber" name="298" href="#298">298</a> ClassLoader lastLoader = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="299" href="#299">299</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = stackLength - 1; i >= 0; --i) { |
| <a class="jxr_linenumber" name="300" href="#300">300</a> String className = stackTrace[i].getClassName(); |
| <a class="jxr_linenumber" name="301" href="#301">301</a> <em class="jxr_comment">// The stack returned from getCurrentStack will be missing entries for java.lang.reflect.Method.invoke()</em> |
| <a class="jxr_linenumber" name="302" href="#302">302</a> <em class="jxr_comment">// and its implementation. The Throwable might also contain stack entries that are no longer</em> |
| <a class="jxr_linenumber" name="303" href="#303">303</a> <em class="jxr_comment">// present as those methods have returned.</em> |
| <a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">if</strong> (className.equals(clazz.getName())) { |
| <a class="jxr_linenumber" name="305" href="#305">305</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a> entry = resolvePackageElement(clazz, <strong class="jxr_keyword">true</strong>); |
| <a class="jxr_linenumber" name="306" href="#306">306</a> packageArray[i] = entry.element; |
| <a class="jxr_linenumber" name="307" href="#307">307</a> lastLoader = entry.loader; |
| <a class="jxr_linenumber" name="308" href="#308">308</a> stack.pop(); |
| <a class="jxr_linenumber" name="309" href="#309">309</a> clazz = stack.peek(); |
| <a class="jxr_linenumber" name="310" href="#310">310</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="311" href="#311">311</a> <strong class="jxr_keyword">if</strong> (map.containsKey(className)) { |
| <a class="jxr_linenumber" name="312" href="#312">312</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a> entry = map.get(className); |
| <a class="jxr_linenumber" name="313" href="#313">313</a> packageArray[i] = entry.element; |
| <a class="jxr_linenumber" name="314" href="#314">314</a> <strong class="jxr_keyword">if</strong> (entry.loader != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="315" href="#315">315</a> lastLoader = entry.loader; |
| <a class="jxr_linenumber" name="316" href="#316">316</a> } |
| <a class="jxr_linenumber" name="317" href="#317">317</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="318" href="#318">318</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a> entry = resolvePackageElement(loadClass(lastLoader, className), false); |
| <a class="jxr_linenumber" name="319" href="#319">319</a> packageArray[i] = entry.element; |
| <a class="jxr_linenumber" name="320" href="#320">320</a> map.put(className, entry); |
| <a class="jxr_linenumber" name="321" href="#321">321</a> <strong class="jxr_keyword">if</strong> (entry.loader != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="322" href="#322">322</a> lastLoader = entry.loader; |
| <a class="jxr_linenumber" name="323" href="#323">323</a> } |
| <a class="jxr_linenumber" name="324" href="#324">324</a> } |
| <a class="jxr_linenumber" name="325" href="#325">325</a> } |
| <a class="jxr_linenumber" name="326" href="#326">326</a> } |
| <a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">return</strong> packageArray; |
| <a class="jxr_linenumber" name="328" href="#328">328</a> } |
| <a class="jxr_linenumber" name="329" href="#329">329</a> |
| <a class="jxr_linenumber" name="330" href="#330">330</a> |
| <a class="jxr_linenumber" name="331" href="#331">331</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="332" href="#332">332</a> <em class="jxr_javadoccomment"> * Construct the CacheEntry from the Class's information.</em> |
| <a class="jxr_linenumber" name="333" href="#333">333</a> <em class="jxr_javadoccomment"> * @param callerClass The Class.</em> |
| <a class="jxr_linenumber" name="334" href="#334">334</a> <em class="jxr_javadoccomment"> * @param exact True if the class was obtained via Reflection.getCallerClass.</em> |
| <a class="jxr_linenumber" name="335" href="#335">335</a> <em class="jxr_javadoccomment"> * @return The CacheEntry.</em> |
| <a class="jxr_linenumber" name="336" href="#336">336</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="337" href="#337">337</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a> resolvePackageElement(Class callerClass, <strong class="jxr_keyword">boolean</strong> exact) { |
| <a class="jxr_linenumber" name="338" href="#338">338</a> String location = <span class="jxr_string">"?"</span>; |
| <a class="jxr_linenumber" name="339" href="#339">339</a> String version = <span class="jxr_string">"?"</span>; |
| <a class="jxr_linenumber" name="340" href="#340">340</a> ClassLoader lastLoader = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="341" href="#341">341</a> <strong class="jxr_keyword">if</strong> (callerClass != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="343" href="#343">343</a> CodeSource source = callerClass.getProtectionDomain().getCodeSource(); |
| <a class="jxr_linenumber" name="344" href="#344">344</a> <strong class="jxr_keyword">if</strong> (source != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="345" href="#345">345</a> URL locationURL = source.getLocation(); |
| <a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">if</strong> (locationURL != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="347" href="#347">347</a> String str = locationURL.toString().replace('\\', '/'); |
| <a class="jxr_linenumber" name="348" href="#348">348</a> <strong class="jxr_keyword">int</strong> index = str.lastIndexOf(<span class="jxr_string">"/"</span>); |
| <a class="jxr_linenumber" name="349" href="#349">349</a> <strong class="jxr_keyword">if</strong> (index >= 0 && index == str.length() - 1) { |
| <a class="jxr_linenumber" name="350" href="#350">350</a> index = str.lastIndexOf(<span class="jxr_string">"/"</span>, index - 1); |
| <a class="jxr_linenumber" name="351" href="#351">351</a> location = str.substring(index + 1); |
| <a class="jxr_linenumber" name="352" href="#352">352</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="353" href="#353">353</a> location = str.substring(index + 1); |
| <a class="jxr_linenumber" name="354" href="#354">354</a> } |
| <a class="jxr_linenumber" name="355" href="#355">355</a> } |
| <a class="jxr_linenumber" name="356" href="#356">356</a> } |
| <a class="jxr_linenumber" name="357" href="#357">357</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) { |
| <a class="jxr_linenumber" name="358" href="#358">358</a> <em class="jxr_comment">// Ignore the exception.</em> |
| <a class="jxr_linenumber" name="359" href="#359">359</a> } |
| <a class="jxr_linenumber" name="360" href="#360">360</a> Package pkg = callerClass.getPackage(); |
| <a class="jxr_linenumber" name="361" href="#361">361</a> <strong class="jxr_keyword">if</strong> (pkg != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="362" href="#362">362</a> String ver = pkg.getImplementationVersion(); |
| <a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">if</strong> (ver != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="364" href="#364">364</a> version = ver; |
| <a class="jxr_linenumber" name="365" href="#365">365</a> } |
| <a class="jxr_linenumber" name="366" href="#366">366</a> } |
| <a class="jxr_linenumber" name="367" href="#367">367</a> lastLoader = callerClass.getClassLoader(); |
| <a class="jxr_linenumber" name="368" href="#368">368</a> } |
| <a class="jxr_linenumber" name="369" href="#369">369</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a>(<strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a>(location, version, exact), lastLoader); |
| <a class="jxr_linenumber" name="370" href="#370">370</a> } |
| <a class="jxr_linenumber" name="371" href="#371">371</a> |
| <a class="jxr_linenumber" name="372" href="#372">372</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_javadoccomment"> * Invoke Reflection.getCallerClass via reflection. This is slightly slower than calling the method</em> |
| <a class="jxr_linenumber" name="374" href="#374">374</a> <em class="jxr_javadoccomment"> * directly but removes any dependency on Sun's JDK being present at compile time. The difference</em> |
| <a class="jxr_linenumber" name="375" href="#375">375</a> <em class="jxr_javadoccomment"> * can be measured by running the ReflectionComparison test.</em> |
| <a class="jxr_linenumber" name="376" href="#376">376</a> <em class="jxr_javadoccomment"> * @param index The index into the stack trace.</em> |
| <a class="jxr_linenumber" name="377" href="#377">377</a> <em class="jxr_javadoccomment"> * @return The Class at the specified stack entry.</em> |
| <a class="jxr_linenumber" name="378" href="#378">378</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">private</strong> Class getCallerClass(<strong class="jxr_keyword">int</strong> index) { |
| <a class="jxr_linenumber" name="380" href="#380">380</a> <strong class="jxr_keyword">if</strong> (getCallerClass != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="381" href="#381">381</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="382" href="#382">382</a> Object[] params = <strong class="jxr_keyword">new</strong> Object[]{index}; |
| <a class="jxr_linenumber" name="383" href="#383">383</a> <strong class="jxr_keyword">return</strong> (Class) getCallerClass.invoke(<strong class="jxr_keyword">null</strong>, params); |
| <a class="jxr_linenumber" name="384" href="#384">384</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) { |
| <a class="jxr_linenumber" name="385" href="#385">385</a> <em class="jxr_comment">// logger.debug("Unable to determine caller class via Sun Reflection", ex);</em> |
| <a class="jxr_linenumber" name="386" href="#386">386</a> } |
| <a class="jxr_linenumber" name="387" href="#387">387</a> } |
| <a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="389" href="#389">389</a> } |
| <a class="jxr_linenumber" name="390" href="#390">390</a> |
| <a class="jxr_linenumber" name="391" href="#391">391</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="392" href="#392">392</a> <em class="jxr_javadoccomment"> * Loads classes not located via Reflection.getCallerClass.</em> |
| <a class="jxr_linenumber" name="393" href="#393">393</a> <em class="jxr_javadoccomment"> * @param lastLoader The ClassLoader that loaded the Class that called this Class.</em> |
| <a class="jxr_linenumber" name="394" href="#394">394</a> <em class="jxr_javadoccomment"> * @param className The name of the Class.</em> |
| <a class="jxr_linenumber" name="395" href="#395">395</a> <em class="jxr_javadoccomment"> * @return The Class object for the Class or null if it could not be located.</em> |
| <a class="jxr_linenumber" name="396" href="#396">396</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="397" href="#397">397</a> <strong class="jxr_keyword">private</strong> Class loadClass(ClassLoader lastLoader, String className) { |
| <a class="jxr_linenumber" name="398" href="#398">398</a> Class clazz; |
| <a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">if</strong> (lastLoader != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="400" href="#400">400</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="401" href="#401">401</a> clazz = lastLoader.loadClass(className); |
| <a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">if</strong> (clazz != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="403" href="#403">403</a> <strong class="jxr_keyword">return</strong> clazz; |
| <a class="jxr_linenumber" name="404" href="#404">404</a> } |
| <a class="jxr_linenumber" name="405" href="#405">405</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) { |
| <a class="jxr_linenumber" name="406" href="#406">406</a> <em class="jxr_comment">// Ignore exception.</em> |
| <a class="jxr_linenumber" name="407" href="#407">407</a> } |
| <a class="jxr_linenumber" name="408" href="#408">408</a> } |
| <a class="jxr_linenumber" name="409" href="#409">409</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="410" href="#410">410</a> clazz = Thread.currentThread().getContextClassLoader().loadClass(className); |
| <a class="jxr_linenumber" name="411" href="#411">411</a> } <strong class="jxr_keyword">catch</strong> (ClassNotFoundException e) { |
| <a class="jxr_linenumber" name="412" href="#412">412</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="413" href="#413">413</a> clazz = Class.forName(className); |
| <a class="jxr_linenumber" name="414" href="#414">414</a> } <strong class="jxr_keyword">catch</strong> (ClassNotFoundException e1) { |
| <a class="jxr_linenumber" name="415" href="#415">415</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="416" href="#416">416</a> clazz = getClass().getClassLoader().loadClass(className); |
| <a class="jxr_linenumber" name="417" href="#417">417</a> } <strong class="jxr_keyword">catch</strong> (ClassNotFoundException e2) { |
| <a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="419" href="#419">419</a> } |
| <a class="jxr_linenumber" name="420" href="#420">420</a> } |
| <a class="jxr_linenumber" name="421" href="#421">421</a> } |
| <a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">return</strong> clazz; |
| <a class="jxr_linenumber" name="423" href="#423">423</a> } |
| <a class="jxr_linenumber" name="424" href="#424">424</a> |
| <a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> versionCheck() { |
| <a class="jxr_linenumber" name="426" href="#426">426</a> Method[] methods = Throwable.<strong class="jxr_keyword">class</strong>.getMethods(); |
| <a class="jxr_linenumber" name="427" href="#427">427</a> <strong class="jxr_keyword">for</strong> (Method method : methods) { |
| <a class="jxr_linenumber" name="428" href="#428">428</a> <strong class="jxr_keyword">if</strong> (method.getName().equals(<span class="jxr_string">"getSuppressed"</span>)) { |
| <a class="jxr_linenumber" name="429" href="#429">429</a> getSuppressed = method; |
| <a class="jxr_linenumber" name="430" href="#430">430</a> } |
| <a class="jxr_linenumber" name="431" href="#431">431</a> } |
| <a class="jxr_linenumber" name="432" href="#432">432</a> } |
| <a class="jxr_linenumber" name="433" href="#433">433</a> |
| <a class="jxr_linenumber" name="434" href="#434">434</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="435" href="#435">435</a> <em class="jxr_javadoccomment"> * Determine if Reflection.getCallerClass is available.</em> |
| <a class="jxr_linenumber" name="436" href="#436">436</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> setupCallerCheck() { |
| <a class="jxr_linenumber" name="438" href="#438">438</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="439" href="#439">439</a> ClassLoader loader = Loader.getClassLoader(); |
| <a class="jxr_linenumber" name="440" href="#440">440</a> Class clazz = loader.loadClass(<span class="jxr_string">"sun.reflect.Reflection"</span>); |
| <a class="jxr_linenumber" name="441" href="#441">441</a> Method[] methods = clazz.getMethods(); |
| <a class="jxr_linenumber" name="442" href="#442">442</a> <strong class="jxr_keyword">for</strong> (Method method : methods) { |
| <a class="jxr_linenumber" name="443" href="#443">443</a> <strong class="jxr_keyword">int</strong> modifier = method.getModifiers(); |
| <a class="jxr_linenumber" name="444" href="#444">444</a> <strong class="jxr_keyword">if</strong> (method.getName().equals(<span class="jxr_string">"getCallerClass"</span>) && Modifier.isStatic(modifier)) { |
| <a class="jxr_linenumber" name="445" href="#445">445</a> getCallerClass = method; |
| <a class="jxr_linenumber" name="446" href="#446">446</a> <strong class="jxr_keyword">return</strong>; |
| <a class="jxr_linenumber" name="447" href="#447">447</a> } |
| <a class="jxr_linenumber" name="448" href="#448">448</a> } |
| <a class="jxr_linenumber" name="449" href="#449">449</a> } <strong class="jxr_keyword">catch</strong> (ClassNotFoundException cnfe) { |
| <a class="jxr_linenumber" name="450" href="#450">450</a> LOGGER.debug(<span class="jxr_string">"sun.reflect.Reflection is not installed"</span>); |
| <a class="jxr_linenumber" name="451" href="#451">451</a> } |
| <a class="jxr_linenumber" name="452" href="#452">452</a> |
| <a class="jxr_linenumber" name="453" href="#453">453</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="454" href="#454">454</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">PrivateSecurityManager</a> mgr = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">PrivateSecurityManager</a>(); |
| <a class="jxr_linenumber" name="455" href="#455">455</a> <strong class="jxr_keyword">if</strong> (mgr.getClasses() != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="456" href="#456">456</a> securityManager = mgr; |
| <a class="jxr_linenumber" name="457" href="#457">457</a> } <strong class="jxr_keyword">else</strong> { |
| <a class="jxr_linenumber" name="458" href="#458">458</a> <em class="jxr_comment">// This shouldn't happen.</em> |
| <a class="jxr_linenumber" name="459" href="#459">459</a> LOGGER.error(<span class="jxr_string">"Unable to obtain call stack from security manager"</span>); |
| <a class="jxr_linenumber" name="460" href="#460">460</a> } |
| <a class="jxr_linenumber" name="461" href="#461">461</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) { |
| <a class="jxr_linenumber" name="462" href="#462">462</a> LOGGER.debug(<span class="jxr_string">"Unable to install security manager"</span>, ex); |
| <a class="jxr_linenumber" name="463" href="#463">463</a> } |
| <a class="jxr_linenumber" name="464" href="#464">464</a> } |
| <a class="jxr_linenumber" name="465" href="#465">465</a> |
| <a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>[] getSuppressed(Throwable throwable) { |
| <a class="jxr_linenumber" name="467" href="#467">467</a> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>[] supp = <strong class="jxr_keyword">null</strong>; |
| <a class="jxr_linenumber" name="468" href="#468">468</a> <strong class="jxr_keyword">if</strong> (getSuppressed != <strong class="jxr_keyword">null</strong>) { |
| <a class="jxr_linenumber" name="469" href="#469">469</a> <strong class="jxr_keyword">try</strong> { |
| <a class="jxr_linenumber" name="470" href="#470">470</a> Throwable[] array = (Throwable[]) getSuppressed.invoke(throwable, <strong class="jxr_keyword">null</strong>); |
| <a class="jxr_linenumber" name="471" href="#471">471</a> supp = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>[array.length]; |
| <a class="jxr_linenumber" name="472" href="#472">472</a> <strong class="jxr_keyword">int</strong> i = 0; |
| <a class="jxr_linenumber" name="473" href="#473">473</a> <strong class="jxr_keyword">for</strong> (Throwable t : array) { |
| <a class="jxr_linenumber" name="474" href="#474">474</a> supp[i] = <strong class="jxr_keyword">new</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">ThrowableProxy</a>(t); |
| <a class="jxr_linenumber" name="475" href="#475">475</a> ++i; |
| <a class="jxr_linenumber" name="476" href="#476">476</a> } |
| <a class="jxr_linenumber" name="477" href="#477">477</a> } <strong class="jxr_keyword">catch</strong> (Exception ex) { |
| <a class="jxr_linenumber" name="478" href="#478">478</a> <em class="jxr_comment">//</em> |
| <a class="jxr_linenumber" name="479" href="#479">479</a> } |
| <a class="jxr_linenumber" name="480" href="#480">480</a> } |
| <a class="jxr_linenumber" name="481" href="#481">481</a> <strong class="jxr_keyword">return</strong> supp; |
| <a class="jxr_linenumber" name="482" href="#482">482</a> } |
| <a class="jxr_linenumber" name="483" href="#483">483</a> |
| <a class="jxr_linenumber" name="484" href="#484">484</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="485" href="#485">485</a> <em class="jxr_javadoccomment"> * Cached StackTracePackageElement and the ClassLoader.</em> |
| <a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="487" href="#487">487</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a> { |
| <a class="jxr_linenumber" name="488" href="#488">488</a> <strong class="jxr_keyword">private</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a> element; |
| <a class="jxr_linenumber" name="489" href="#489">489</a> <strong class="jxr_keyword">private</strong> ClassLoader loader; |
| <a class="jxr_linenumber" name="490" href="#490">490</a> |
| <a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">public</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">CacheEntry</a>(<a href="../../../../../../org/apache/logging/log4j/core/impl/StackTracePackageElement.html">StackTracePackageElement</a> element, ClassLoader loader) { |
| <a class="jxr_linenumber" name="492" href="#492">492</a> <strong class="jxr_keyword">this</strong>.element = element; |
| <a class="jxr_linenumber" name="493" href="#493">493</a> <strong class="jxr_keyword">this</strong>.loader = loader; |
| <a class="jxr_linenumber" name="494" href="#494">494</a> } |
| <a class="jxr_linenumber" name="495" href="#495">495</a> } |
| <a class="jxr_linenumber" name="496" href="#496">496</a> |
| <a class="jxr_linenumber" name="497" href="#497">497</a> <em class="jxr_javadoccomment">/**</em> |
| <a class="jxr_linenumber" name="498" href="#498">498</a> <em class="jxr_javadoccomment"> * Security Manager for accessing the call stack.</em> |
| <a class="jxr_linenumber" name="499" href="#499">499</a> <em class="jxr_javadoccomment"> */</em> |
| <a class="jxr_linenumber" name="500" href="#500">500</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../../org/apache/logging/log4j/core/impl/ThrowableProxy.html">PrivateSecurityManager</a> <strong class="jxr_keyword">extends</strong> SecurityManager { |
| <a class="jxr_linenumber" name="501" href="#501">501</a> <strong class="jxr_keyword">public</strong> Class[] getClasses() { |
| <a class="jxr_linenumber" name="502" href="#502">502</a> <strong class="jxr_keyword">return</strong> getClassContext(); |
| <a class="jxr_linenumber" name="503" href="#503">503</a> } |
| <a class="jxr_linenumber" name="504" href="#504">504</a> } |
| <a class="jxr_linenumber" name="505" href="#505">505</a> } |
| </pre> |
| <hr/><div id="footer">This page was automatically generated by <a href="http://maven.apache.org/">Maven</a></div></body> |
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