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Posted to commits@commons.apache.org by tn...@apache.org on 2013/03/19 22:14:40 UTC

svn commit: r855121 [16/22] - in /websites/production/commons/content/proper/commons-logging/javadocs/api-release: ./ org/ org/apache/ org/apache/commons/ org/apache/commons/logging/ org/apache/commons/logging/class-use/ org/apache/commons/logging/impl...

Added: websites/production/commons/content/proper/commons-logging/javadocs/api-release/src-html/org/apache/commons/logging/LogFactory.html
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--- websites/production/commons/content/proper/commons-logging/javadocs/api-release/src-html/org/apache/commons/logging/LogFactory.html (added)
+++ websites/production/commons/content/proper/commons-logging/javadocs/api-release/src-html/org/apache/commons/logging/LogFactory.html Tue Mar 19 21:14:39 2013
@@ -0,0 +1,1818 @@
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<html lang="en">
+<head>
+<title>Source code</title>
+<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
+</head>
+<body>
+<div class="sourceContainer">
+<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
+<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
+<span class="sourceLineNo">003</span> * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
+<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
+<span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
+<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
+<span class="sourceLineNo">007</span> * the License.  You may obtain a copy of the License at<a name="line.7"></a>
+<span class="sourceLineNo">008</span> *<a name="line.8"></a>
+<span class="sourceLineNo">009</span> *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
+<span class="sourceLineNo">010</span> *<a name="line.10"></a>
+<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
+<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
+<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
+<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a>
+<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a>
+<span class="sourceLineNo">016</span> */<a name="line.16"></a>
+<span class="sourceLineNo">017</span><a name="line.17"></a>
+<span class="sourceLineNo">018</span>package org.apache.commons.logging;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import java.io.BufferedReader;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import java.io.FileOutputStream;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import java.io.IOException;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import java.io.InputStream;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import java.io.InputStreamReader;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import java.io.PrintStream;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.lang.reflect.InvocationTargetException;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.lang.reflect.Method;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.net.URL;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.net.URLConnection;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.security.AccessController;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.security.PrivilegedAction;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.Enumeration;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.Hashtable;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.Properties;<a name="line.34"></a>
+<span class="sourceLineNo">035</span><a name="line.35"></a>
+<span class="sourceLineNo">036</span>/**<a name="line.36"></a>
+<span class="sourceLineNo">037</span> * Factory for creating {@link Log} instances, with discovery and<a name="line.37"></a>
+<span class="sourceLineNo">038</span> * configuration features similar to that employed by standard Java APIs<a name="line.38"></a>
+<span class="sourceLineNo">039</span> * such as JAXP.<a name="line.39"></a>
+<span class="sourceLineNo">040</span> * &lt;p&gt;<a name="line.40"></a>
+<span class="sourceLineNo">041</span> * &lt;strong&gt;IMPLEMENTATION NOTE&lt;/strong&gt; - This implementation is heavily<a name="line.41"></a>
+<span class="sourceLineNo">042</span> * based on the SAXParserFactory and DocumentBuilderFactory implementations<a name="line.42"></a>
+<span class="sourceLineNo">043</span> * (corresponding to the JAXP pluggability APIs) found in Apache Xerces.<a name="line.43"></a>
+<span class="sourceLineNo">044</span> *<a name="line.44"></a>
+<span class="sourceLineNo">045</span> * @version $Id$<a name="line.45"></a>
+<span class="sourceLineNo">046</span> */<a name="line.46"></a>
+<span class="sourceLineNo">047</span>public abstract class LogFactory {<a name="line.47"></a>
+<span class="sourceLineNo">048</span>    // Implementation note re AccessController usage<a name="line.48"></a>
+<span class="sourceLineNo">049</span>    //<a name="line.49"></a>
+<span class="sourceLineNo">050</span>    // It is important to keep code invoked via an AccessController to small<a name="line.50"></a>
+<span class="sourceLineNo">051</span>    // auditable blocks. Such code must carefully evaluate all user input<a name="line.51"></a>
+<span class="sourceLineNo">052</span>    // (parameters, system properties, config file contents, etc). As an<a name="line.52"></a>
+<span class="sourceLineNo">053</span>    // example, a Log implementation should not write to its logfile<a name="line.53"></a>
+<span class="sourceLineNo">054</span>    // with an AccessController anywhere in the call stack, otherwise an<a name="line.54"></a>
+<span class="sourceLineNo">055</span>    // insecure application could configure the log implementation to write<a name="line.55"></a>
+<span class="sourceLineNo">056</span>    // to a protected file using the privileges granted to JCL rather than<a name="line.56"></a>
+<span class="sourceLineNo">057</span>    // to the calling application.<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    //<a name="line.58"></a>
+<span class="sourceLineNo">059</span>    // Under no circumstance should a non-private method return data that is<a name="line.59"></a>
+<span class="sourceLineNo">060</span>    // retrieved via an AccessController. That would allow an insecure app<a name="line.60"></a>
+<span class="sourceLineNo">061</span>    // to invoke that method and obtain data that it is not permitted to have.<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    //<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    // Invoking user-supplied code with an AccessController set is not a major<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    // issue (eg invoking the constructor of the class specified by<a name="line.64"></a>
+<span class="sourceLineNo">065</span>    // HASHTABLE_IMPLEMENTATION_PROPERTY). That class will be in a different<a name="line.65"></a>
+<span class="sourceLineNo">066</span>    // trust domain, and therefore must have permissions to do whatever it<a name="line.66"></a>
+<span class="sourceLineNo">067</span>    // is trying to do regardless of the permissions granted to JCL. There is<a name="line.67"></a>
+<span class="sourceLineNo">068</span>    // a slight issue in that untrusted code may point that environment var<a name="line.68"></a>
+<span class="sourceLineNo">069</span>    // to another trusted library, in which case the code runs if both that<a name="line.69"></a>
+<span class="sourceLineNo">070</span>    // lib and JCL have the necessary permissions even when the untrusted<a name="line.70"></a>
+<span class="sourceLineNo">071</span>    // caller does not. That's a pretty hard route to exploit though.<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span>    // ----------------------------------------------------- Manifest Constants<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span>    /**<a name="line.75"></a>
+<span class="sourceLineNo">076</span>     * The name (&lt;code&gt;priority&lt;/code&gt;) of the key in the config file used to<a name="line.76"></a>
+<span class="sourceLineNo">077</span>     * specify the priority of that particular config file. The associated value<a name="line.77"></a>
+<span class="sourceLineNo">078</span>     * is a floating-point number; higher values take priority over lower values.<a name="line.78"></a>
+<span class="sourceLineNo">079</span>     */<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    public static final String PRIORITY_KEY = "priority";<a name="line.80"></a>
+<span class="sourceLineNo">081</span><a name="line.81"></a>
+<span class="sourceLineNo">082</span>    /**<a name="line.82"></a>
+<span class="sourceLineNo">083</span>     * The name (&lt;code&gt;use_tccl&lt;/code&gt;) of the key in the config file used<a name="line.83"></a>
+<span class="sourceLineNo">084</span>     * to specify whether logging classes should be loaded via the thread<a name="line.84"></a>
+<span class="sourceLineNo">085</span>     * context class loader (TCCL), or not. By default, the TCCL is used.<a name="line.85"></a>
+<span class="sourceLineNo">086</span>     */<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    public static final String TCCL_KEY = "use_tccl";<a name="line.87"></a>
+<span class="sourceLineNo">088</span><a name="line.88"></a>
+<span class="sourceLineNo">089</span>    /**<a name="line.89"></a>
+<span class="sourceLineNo">090</span>     * The name (&lt;code&gt;org.apache.commons.logging.LogFactory&lt;/code&gt;) of the property<a name="line.90"></a>
+<span class="sourceLineNo">091</span>     * used to identify the LogFactory implementation<a name="line.91"></a>
+<span class="sourceLineNo">092</span>     * class name. This can be used as a system property, or as an entry in a<a name="line.92"></a>
+<span class="sourceLineNo">093</span>     * configuration properties file.<a name="line.93"></a>
+<span class="sourceLineNo">094</span>     */<a name="line.94"></a>
+<span class="sourceLineNo">095</span>    public static final String FACTORY_PROPERTY = "org.apache.commons.logging.LogFactory";<a name="line.95"></a>
+<span class="sourceLineNo">096</span><a name="line.96"></a>
+<span class="sourceLineNo">097</span>    /**<a name="line.97"></a>
+<span class="sourceLineNo">098</span>     * The fully qualified class name of the fallback &lt;code&gt;LogFactory&lt;/code&gt;<a name="line.98"></a>
+<span class="sourceLineNo">099</span>     * implementation class to use, if no other can be found.<a name="line.99"></a>
+<span class="sourceLineNo">100</span>     */<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    public static final String FACTORY_DEFAULT = "org.apache.commons.logging.impl.LogFactoryImpl";<a name="line.101"></a>
+<span class="sourceLineNo">102</span><a name="line.102"></a>
+<span class="sourceLineNo">103</span>    /**<a name="line.103"></a>
+<span class="sourceLineNo">104</span>     * The name (&lt;code&gt;commons-logging.properties&lt;/code&gt;) of the properties file to search for.<a name="line.104"></a>
+<span class="sourceLineNo">105</span>     */<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    public static final String FACTORY_PROPERTIES = "commons-logging.properties";<a name="line.106"></a>
+<span class="sourceLineNo">107</span><a name="line.107"></a>
+<span class="sourceLineNo">108</span>    /**<a name="line.108"></a>
+<span class="sourceLineNo">109</span>     * JDK1.3+ &lt;a href="http://java.sun.com/j2se/1.3/docs/guide/jar/jar.html#Service%20Provider"&gt;<a name="line.109"></a>
+<span class="sourceLineNo">110</span>     * 'Service Provider' specification&lt;/a&gt;.<a name="line.110"></a>
+<span class="sourceLineNo">111</span>     */<a name="line.111"></a>
+<span class="sourceLineNo">112</span>    protected static final String SERVICE_ID =<a name="line.112"></a>
+<span class="sourceLineNo">113</span>        "META-INF/services/org.apache.commons.logging.LogFactory";<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span>    /**<a name="line.115"></a>
+<span class="sourceLineNo">116</span>     * The name (&lt;code&gt;org.apache.commons.logging.diagnostics.dest&lt;/code&gt;)<a name="line.116"></a>
+<span class="sourceLineNo">117</span>     * of the property used to enable internal commons-logging<a name="line.117"></a>
+<span class="sourceLineNo">118</span>     * diagnostic output, in order to get information on what logging<a name="line.118"></a>
+<span class="sourceLineNo">119</span>     * implementations are being discovered, what classloaders they<a name="line.119"></a>
+<span class="sourceLineNo">120</span>     * are loaded through, etc.<a name="line.120"></a>
+<span class="sourceLineNo">121</span>     * &lt;p&gt;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>     * If a system property of this name is set then the value is<a name="line.122"></a>
+<span class="sourceLineNo">123</span>     * assumed to be the name of a file. The special strings<a name="line.123"></a>
+<span class="sourceLineNo">124</span>     * STDOUT or STDERR (case-sensitive) indicate output to<a name="line.124"></a>
+<span class="sourceLineNo">125</span>     * System.out and System.err respectively.<a name="line.125"></a>
+<span class="sourceLineNo">126</span>     * &lt;p&gt;<a name="line.126"></a>
+<span class="sourceLineNo">127</span>     * Diagnostic logging should be used only to debug problematic<a name="line.127"></a>
+<span class="sourceLineNo">128</span>     * configurations and should not be set in normal production use.<a name="line.128"></a>
+<span class="sourceLineNo">129</span>     */<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    public static final String DIAGNOSTICS_DEST_PROPERTY =<a name="line.130"></a>
+<span class="sourceLineNo">131</span>        "org.apache.commons.logging.diagnostics.dest";<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span>    /**<a name="line.133"></a>
+<span class="sourceLineNo">134</span>     * When null (the usual case), no diagnostic output will be<a name="line.134"></a>
+<span class="sourceLineNo">135</span>     * generated by LogFactory or LogFactoryImpl. When non-null,<a name="line.135"></a>
+<span class="sourceLineNo">136</span>     * interesting events will be written to the specified object.<a name="line.136"></a>
+<span class="sourceLineNo">137</span>     */<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    private static PrintStream diagnosticsStream = null;<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span>    /**<a name="line.140"></a>
+<span class="sourceLineNo">141</span>     * A string that gets prefixed to every message output by the<a name="line.141"></a>
+<span class="sourceLineNo">142</span>     * logDiagnostic method, so that users can clearly see which<a name="line.142"></a>
+<span class="sourceLineNo">143</span>     * LogFactory class is generating the output.<a name="line.143"></a>
+<span class="sourceLineNo">144</span>     */<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    private static final String diagnosticPrefix;<a name="line.145"></a>
+<span class="sourceLineNo">146</span><a name="line.146"></a>
+<span class="sourceLineNo">147</span>    /**<a name="line.147"></a>
+<span class="sourceLineNo">148</span>     * Setting this system property<a name="line.148"></a>
+<span class="sourceLineNo">149</span>     * (&lt;code&gt;org.apache.commons.logging.LogFactory.HashtableImpl&lt;/code&gt;)<a name="line.149"></a>
+<span class="sourceLineNo">150</span>     * value allows the &lt;code&gt;Hashtable&lt;/code&gt; used to store<a name="line.150"></a>
+<span class="sourceLineNo">151</span>     * classloaders to be substituted by an alternative implementation.<a name="line.151"></a>
+<span class="sourceLineNo">152</span>     * &lt;p&gt;<a name="line.152"></a>
+<span class="sourceLineNo">153</span>     * &lt;strong&gt;Note:&lt;/strong&gt; &lt;code&gt;LogFactory&lt;/code&gt; will print:<a name="line.153"></a>
+<span class="sourceLineNo">154</span>     * &lt;code&gt;&lt;pre&gt;<a name="line.154"></a>
+<span class="sourceLineNo">155</span>     * [ERROR] LogFactory: Load of custom hashtable failed&lt;/em&gt;<a name="line.155"></a>
+<span class="sourceLineNo">156</span>     * &lt;/pre&gt;&lt;/code&gt;<a name="line.156"></a>
+<span class="sourceLineNo">157</span>     * to system error and then continue using a standard Hashtable.<a name="line.157"></a>
+<span class="sourceLineNo">158</span>     * &lt;p&gt;<a name="line.158"></a>
+<span class="sourceLineNo">159</span>     * &lt;strong&gt;Usage:&lt;/strong&gt; Set this property when Java is invoked<a name="line.159"></a>
+<span class="sourceLineNo">160</span>     * and &lt;code&gt;LogFactory&lt;/code&gt; will attempt to load a new instance<a name="line.160"></a>
+<span class="sourceLineNo">161</span>     * of the given implementation class.<a name="line.161"></a>
+<span class="sourceLineNo">162</span>     * For example, running the following ant scriplet:<a name="line.162"></a>
+<span class="sourceLineNo">163</span>     * &lt;code&gt;&lt;pre&gt;<a name="line.163"></a>
+<span class="sourceLineNo">164</span>     *  &amp;lt;java classname="${test.runner}" fork="yes" failonerror="${test.failonerror}"&amp;gt;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>     *     ...<a name="line.165"></a>
+<span class="sourceLineNo">166</span>     *     &amp;lt;sysproperty<a name="line.166"></a>
+<span class="sourceLineNo">167</span>     *        key="org.apache.commons.logging.LogFactory.HashtableImpl"<a name="line.167"></a>
+<span class="sourceLineNo">168</span>     *        value="org.apache.commons.logging.AltHashtable"/&amp;gt;<a name="line.168"></a>
+<span class="sourceLineNo">169</span>     *  &amp;lt;/java&amp;gt;<a name="line.169"></a>
+<span class="sourceLineNo">170</span>     * &lt;/pre&gt;&lt;/code&gt;<a name="line.170"></a>
+<span class="sourceLineNo">171</span>     * will mean that &lt;code&gt;LogFactory&lt;/code&gt; will load an instance of<a name="line.171"></a>
+<span class="sourceLineNo">172</span>     * &lt;code&gt;org.apache.commons.logging.AltHashtable&lt;/code&gt;.<a name="line.172"></a>
+<span class="sourceLineNo">173</span>     * &lt;p&gt;<a name="line.173"></a>
+<span class="sourceLineNo">174</span>     * A typical use case is to allow a custom<a name="line.174"></a>
+<span class="sourceLineNo">175</span>     * Hashtable implementation using weak references to be substituted.<a name="line.175"></a>
+<span class="sourceLineNo">176</span>     * This will allow classloaders to be garbage collected without<a name="line.176"></a>
+<span class="sourceLineNo">177</span>     * the need to release them (on 1.3+ JVMs only, of course ;).<a name="line.177"></a>
+<span class="sourceLineNo">178</span>     */<a name="line.178"></a>
+<span class="sourceLineNo">179</span>    public static final String HASHTABLE_IMPLEMENTATION_PROPERTY =<a name="line.179"></a>
+<span class="sourceLineNo">180</span>        "org.apache.commons.logging.LogFactory.HashtableImpl";<a name="line.180"></a>
+<span class="sourceLineNo">181</span><a name="line.181"></a>
+<span class="sourceLineNo">182</span>    /** Name used to load the weak hashtable implementation by names. */<a name="line.182"></a>
+<span class="sourceLineNo">183</span>    private static final String WEAK_HASHTABLE_CLASSNAME =<a name="line.183"></a>
+<span class="sourceLineNo">184</span>        "org.apache.commons.logging.impl.WeakHashtable";<a name="line.184"></a>
+<span class="sourceLineNo">185</span><a name="line.185"></a>
+<span class="sourceLineNo">186</span>    /**<a name="line.186"></a>
+<span class="sourceLineNo">187</span>     * A reference to the classloader that loaded this class. This is the<a name="line.187"></a>
+<span class="sourceLineNo">188</span>     * same as LogFactory.class.getClassLoader(). However computing this<a name="line.188"></a>
+<span class="sourceLineNo">189</span>     * value isn't quite as simple as that, as we potentially need to use<a name="line.189"></a>
+<span class="sourceLineNo">190</span>     * AccessControllers etc. It's more efficient to compute it once and<a name="line.190"></a>
+<span class="sourceLineNo">191</span>     * cache it here.<a name="line.191"></a>
+<span class="sourceLineNo">192</span>     */<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    private static final ClassLoader thisClassLoader;<a name="line.193"></a>
+<span class="sourceLineNo">194</span><a name="line.194"></a>
+<span class="sourceLineNo">195</span>    // ----------------------------------------------------------- Constructors<a name="line.195"></a>
+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span>    /**<a name="line.197"></a>
+<span class="sourceLineNo">198</span>     * Protected constructor that is not available for public use.<a name="line.198"></a>
+<span class="sourceLineNo">199</span>     */<a name="line.199"></a>
+<span class="sourceLineNo">200</span>    protected LogFactory() {<a name="line.200"></a>
+<span class="sourceLineNo">201</span>    }<a name="line.201"></a>
+<span class="sourceLineNo">202</span><a name="line.202"></a>
+<span class="sourceLineNo">203</span>    // --------------------------------------------------------- Public Methods<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span>    /**<a name="line.205"></a>
+<span class="sourceLineNo">206</span>     * Return the configuration attribute with the specified name (if any),<a name="line.206"></a>
+<span class="sourceLineNo">207</span>     * or &lt;code&gt;null&lt;/code&gt; if there is no such attribute.<a name="line.207"></a>
+<span class="sourceLineNo">208</span>     *<a name="line.208"></a>
+<span class="sourceLineNo">209</span>     * @param name Name of the attribute to return<a name="line.209"></a>
+<span class="sourceLineNo">210</span>     */<a name="line.210"></a>
+<span class="sourceLineNo">211</span>    public abstract Object getAttribute(String name);<a name="line.211"></a>
+<span class="sourceLineNo">212</span><a name="line.212"></a>
+<span class="sourceLineNo">213</span>    /**<a name="line.213"></a>
+<span class="sourceLineNo">214</span>     * Return an array containing the names of all currently defined<a name="line.214"></a>
+<span class="sourceLineNo">215</span>     * configuration attributes.  If there are no such attributes, a zero<a name="line.215"></a>
+<span class="sourceLineNo">216</span>     * length array is returned.<a name="line.216"></a>
+<span class="sourceLineNo">217</span>     */<a name="line.217"></a>
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+<span class="sourceLineNo">219</span><a name="line.219"></a>
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+<span class="sourceLineNo">744</span>     * disruption later if we need to.<a name="line.744"></a>
+<span class="sourceLineNo">745</span>     * &lt;p&gt;<a name="line.745"></a>
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+<span class="sourceLineNo">756</span>     * technically be a security flaw anyway; untrusted code that has access<a name="line.756"></a>
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+<span class="sourceLineNo">836</span>     *  cannot be identified.<a name="line.836"></a>

[... 976 lines stripped ...]