Modified: 
websites/production/commons/content/proper/commons-logging/xref/org/apache/commons/logging/impl/LogFactoryImpl.html
==============================================================================
--- 
websites/production/commons/content/proper/commons-logging/xref/org/apache/commons/logging/impl/LogFactoryImpl.html
 (original)
+++ 
websites/production/commons/content/proper/commons-logging/xref/org/apache/commons/logging/impl/LogFactoryImpl.html
 Sun Mar 24 17:59:10 2024
@@ -271,12 +271,12 @@
 <a class="jxr_linenumber" name="L263" href="#L263">263</a> <em 
class="jxr_javadoccomment">     * This value is initialized by {@code 
getLogConstructor()},</em>
 <a class="jxr_linenumber" name="L264" href="#L264">264</a> <em 
class="jxr_javadoccomment">     * and then returned repeatedly.</em>
 <a class="jxr_linenumber" name="L265" href="#L265">265</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L266" href="#L266">266</a>     <strong 
class="jxr_keyword">protected</strong> Constructor logConstructor;
+<a class="jxr_linenumber" name="L266" href="#L266">266</a>     <strong 
class="jxr_keyword">protected</strong> Constructor&lt;?&gt; logConstructor;
 <a class="jxr_linenumber" name="L267" href="#L267">267</a> 
 <a class="jxr_linenumber" name="L268" href="#L268">268</a>     <em 
class="jxr_javadoccomment">/**</em>
 <a class="jxr_linenumber" name="L269" href="#L269">269</a> <em 
class="jxr_javadoccomment">     * The signature of the Constructor to be 
used.</em>
 <a class="jxr_linenumber" name="L270" href="#L270">270</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L271" href="#L271">271</a>     <strong 
class="jxr_keyword">protected</strong> Class[] logConstructorSignature = { 
String.<strong class="jxr_keyword">class</strong> };
+<a class="jxr_linenumber" name="L271" href="#L271">271</a>     <strong 
class="jxr_keyword">protected</strong> Class&lt;?&gt;[] logConstructorSignature 
= { String.<strong class="jxr_keyword">class</strong> };
 <a class="jxr_linenumber" name="L272" href="#L272">272</a> 
 <a class="jxr_linenumber" name="L273" href="#L273">273</a>     <em 
class="jxr_javadoccomment">/**</em>
 <a class="jxr_linenumber" name="L274" href="#L274">274</a> <em 
class="jxr_javadoccomment">     * The one-argument {@code setLogFactory} method 
of the selected</em>
@@ -287,7 +287,7 @@
 <a class="jxr_linenumber" name="L279" href="#L279">279</a>     <em 
class="jxr_javadoccomment">/**</em>
 <a class="jxr_linenumber" name="L280" href="#L280">280</a> <em 
class="jxr_javadoccomment">     * The signature of the {@code setLogFactory} 
method to be used.</em>
 <a class="jxr_linenumber" name="L281" href="#L281">281</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L282" href="#L282">282</a>     <strong 
class="jxr_keyword">protected</strong> Class[] logMethodSignature = { 
LogFactory.<strong class="jxr_keyword">class</strong> };
+<a class="jxr_linenumber" name="L282" href="#L282">282</a>     <strong 
class="jxr_keyword">protected</strong> Class&lt;?&gt;[] logMethodSignature = { 
LogFactory.<strong class="jxr_keyword">class</strong> };
 <a class="jxr_linenumber" name="L283" href="#L283">283</a> 
 <a class="jxr_linenumber" name="L284" href="#L284">284</a>     <em 
class="jxr_javadoccomment">/**</em>
 <a class="jxr_linenumber" name="L285" href="#L285">285</a> <em 
class="jxr_javadoccomment">     * See getBaseClassLoader and 
initConfiguration.</em>
@@ -339,9 +339,9 @@
 <a class="jxr_linenumber" name="L331" href="#L331">331</a> 
 <a class="jxr_linenumber" name="L332" href="#L332">332</a>         <strong 
class="jxr_keyword">final</strong> Object[] params = { logCategory };
 <a class="jxr_linenumber" name="L333" href="#L333">333</a>         <a 
name="Log" 
href="../../../../../org/apache/commons/logging/Log.html#Log">Log</a> 
logAdapter = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L334" href="#L334">334</a>         Constructor 
constructor = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L334" href="#L334">334</a>         
Constructor&lt;?&gt; constructor = <strong class="jxr_keyword">null</strong>;
 <a class="jxr_linenumber" name="L335" href="#L335">335</a> 
-<a class="jxr_linenumber" name="L336" href="#L336">336</a>         Class 
logAdapterClass = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L336" href="#L336">336</a>         
Class&lt;?&gt; logAdapterClass = <strong class="jxr_keyword">null</strong>;
 <a class="jxr_linenumber" name="L337" href="#L337">337</a>         ClassLoader 
currentCL = getBaseClassLoader();
 <a class="jxr_linenumber" name="L338" href="#L338">338</a> 
 <a class="jxr_linenumber" name="L339" href="#L339">339</a>         <strong 
class="jxr_keyword">for</strong>(;;) {
@@ -369,7 +369,7 @@
 <a class="jxr_linenumber" name="L361" href="#L361">361</a>                     
}
 <a class="jxr_linenumber" name="L362" href="#L362">362</a>                 }
 <a class="jxr_linenumber" name="L363" href="#L363">363</a> 
-<a class="jxr_linenumber" name="L364" href="#L364">364</a>                 
Class clazz;
+<a class="jxr_linenumber" name="L364" href="#L364">364</a>                 
Class&lt;?&gt; clazz;
 <a class="jxr_linenumber" name="L365" href="#L365">365</a>                 
<strong class="jxr_keyword">try</strong> {
 <a class="jxr_linenumber" name="L366" href="#L366">366</a>                     
clazz = Class.forName(logAdapterClassName, <strong 
class="jxr_keyword">true</strong>, currentCL);
 <a class="jxr_linenumber" name="L367" href="#L367">367</a>                 } 
<strong class="jxr_keyword">catch</strong> (<strong 
class="jxr_keyword">final</strong> ClassNotFoundException 
originalClassNotFoundException) {
@@ -648,7 +648,7 @@
 <a class="jxr_linenumber" name="L640" href="#L640">640</a>     }
 <a class="jxr_linenumber" name="L641" href="#L641">641</a> 
 <a class="jxr_linenumber" name="L642" href="#L642">642</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L643" href="#L643">643</a> <em 
class="jxr_javadoccomment">     * Return the configuration attribute with the 
specified name (if any),</em>
+<a class="jxr_linenumber" name="L643" href="#L643">643</a> <em 
class="jxr_javadoccomment">     * Gets the configuration attribute with the 
specified name (if any),</em>
 <a class="jxr_linenumber" name="L644" href="#L644">644</a> <em 
class="jxr_javadoccomment">     * or {@code null} if there is no such 
attribute.</em>
 <a class="jxr_linenumber" name="L645" href="#L645">645</a> <em 
class="jxr_javadoccomment">     *</em>
 <a class="jxr_linenumber" name="L646" href="#L646">646</a> <em 
class="jxr_javadoccomment">     * @param name Name of the attribute to 
return</em>
@@ -659,7 +659,7 @@
 <a class="jxr_linenumber" name="L651" href="#L651">651</a>     }
 <a class="jxr_linenumber" name="L652" href="#L652">652</a> 
 <a class="jxr_linenumber" name="L653" href="#L653">653</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L654" href="#L654">654</a> <em 
class="jxr_javadoccomment">     * Return an array containing the names of all 
currently defined</em>
+<a class="jxr_linenumber" name="L654" href="#L654">654</a> <em 
class="jxr_javadoccomment">     * Gets an array containing the names of all 
currently defined</em>
 <a class="jxr_linenumber" name="L655" href="#L655">655</a> <em 
class="jxr_javadoccomment">     * configuration attributes.  If there are no 
such attributes, a zero</em>
 <a class="jxr_linenumber" name="L656" href="#L656">656</a> <em 
class="jxr_javadoccomment">     * length array is returned.</em>
 <a class="jxr_linenumber" name="L657" href="#L657">657</a> <em 
class="jxr_javadoccomment">     */</em>
@@ -669,7 +669,7 @@
 <a class="jxr_linenumber" name="L661" href="#L661">661</a>     }
 <a class="jxr_linenumber" name="L662" href="#L662">662</a> 
 <a class="jxr_linenumber" name="L663" href="#L663">663</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L664" href="#L664">664</a> <em 
class="jxr_javadoccomment">     * Return the class loader from which we should 
try to load the logging</em>
+<a class="jxr_linenumber" name="L664" href="#L664">664</a> <em 
class="jxr_javadoccomment">     * Gets the class loader from which we should 
try to load the logging</em>
 <a class="jxr_linenumber" name="L665" href="#L665">665</a> <em 
class="jxr_javadoccomment">     * adapter classes.</em>
 <a class="jxr_linenumber" name="L666" href="#L666">666</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
 <a class="jxr_linenumber" name="L667" href="#L667">667</a> <em 
class="jxr_javadoccomment">     * This method usually returns the context class 
loader. However if it</em>
@@ -684,489 +684,489 @@
 <a class="jxr_linenumber" name="L676" href="#L676">676</a> <em 
class="jxr_javadoccomment">     * failed to correctly set the context class 
loader. This is a bug in</em>
 <a class="jxr_linenumber" name="L677" href="#L677">677</a> <em 
class="jxr_javadoccomment">     * the calling application; however we provide 
the option for JCL to</em>
 <a class="jxr_linenumber" name="L678" href="#L678">678</a> <em 
class="jxr_javadoccomment">     * simply generate a warning rather than fail 
outright.</em>
-<a class="jxr_linenumber" name="L679" href="#L679">679</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L680" href="#L680">680</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L681" href="#L681">681</a>     <strong 
class="jxr_keyword">private</strong> ClassLoader getBaseClassLoader() <strong 
class="jxr_keyword">throws</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>
 {
-<a class="jxr_linenumber" name="L682" href="#L682">682</a>         <strong 
class="jxr_keyword">final</strong> ClassLoader thisClassLoader = 
getClassLoader(LogFactoryImpl.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="L683" href="#L683">683</a> 
-<a class="jxr_linenumber" name="L684" href="#L684">684</a>         <strong 
class="jxr_keyword">if</strong> (!useTCCL) {
-<a class="jxr_linenumber" name="L685" href="#L685">685</a>             <strong 
class="jxr_keyword">return</strong> thisClassLoader;
-<a class="jxr_linenumber" name="L686" href="#L686">686</a>         }
-<a class="jxr_linenumber" name="L687" href="#L687">687</a> 
-<a class="jxr_linenumber" name="L688" href="#L688">688</a>         <strong 
class="jxr_keyword">final</strong> ClassLoader contextClassLoader = 
getContextClassLoaderInternal();
-<a class="jxr_linenumber" name="L689" href="#L689">689</a> 
-<a class="jxr_linenumber" name="L690" href="#L690">690</a>         <strong 
class="jxr_keyword">final</strong> ClassLoader baseClassLoader = 
getLowestClassLoader(
-<a class="jxr_linenumber" name="L691" href="#L691">691</a>                 
contextClassLoader, thisClassLoader);
-<a class="jxr_linenumber" name="L692" href="#L692">692</a> 
-<a class="jxr_linenumber" name="L693" href="#L693">693</a>         <strong 
class="jxr_keyword">if</strong> (baseClassLoader == <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L694" href="#L694">694</a>            <em 
class="jxr_comment">// The two class loaders are not part of a parent child 
relationship.</em>
-<a class="jxr_linenumber" name="L695" href="#L695">695</a>            <em 
class="jxr_comment">// In some classloading setups (e.g. JBoss with its</em>
-<a class="jxr_linenumber" name="L696" href="#L696">696</a>            <em 
class="jxr_comment">// UnifiedLoaderRepository) this can still work, so if user 
hasn't</em>
-<a class="jxr_linenumber" name="L697" href="#L697">697</a>            <em 
class="jxr_comment">// forbidden it, just return the contextClassLoader.</em>
-<a class="jxr_linenumber" name="L698" href="#L698">698</a>            <strong 
class="jxr_keyword">if</strong> (!allowFlawedContext) {
-<a class="jxr_linenumber" name="L699" href="#L699">699</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(<span
 class="jxr_string">"Bad class loader hierarchy; LogFactoryImpl was loaded 
via"</span> +
-<a class="jxr_linenumber" name="L700" href="#L700">700</a>                     
                            <span class="jxr_string">" a class loader that is 
not related to the current context"</span> +
-<a class="jxr_linenumber" name="L701" href="#L701">701</a>                     
                            <span class="jxr_string">" class loader."</span>);
-<a class="jxr_linenumber" name="L702" href="#L702">702</a>            }
-<a class="jxr_linenumber" name="L703" href="#L703">703</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L704" href="#L704">704</a>                
logDiagnostic(<span class="jxr_string">"[WARNING] the context class loader is 
not part of a"</span> +
-<a class="jxr_linenumber" name="L705" href="#L705">705</a>                     
         <span class="jxr_string">" parent-child relationship with the class 
loader that"</span> +
-<a class="jxr_linenumber" name="L706" href="#L706">706</a>                     
         <span class="jxr_string">" loaded LogFactoryImpl."</span>);
-<a class="jxr_linenumber" name="L707" href="#L707">707</a>           }
-<a class="jxr_linenumber" name="L708" href="#L708">708</a>           <em 
class="jxr_comment">// If contextClassLoader were null, getLowestClassLoader() 
would</em>
-<a class="jxr_linenumber" name="L709" href="#L709">709</a>           <em 
class="jxr_comment">// have returned thisClassLoader.  The fact we are here 
means</em>
-<a class="jxr_linenumber" name="L710" href="#L710">710</a>           <em 
class="jxr_comment">// contextClassLoader is not null, so we can just return 
it.</em>
-<a class="jxr_linenumber" name="L711" href="#L711">711</a>           <strong 
class="jxr_keyword">return</strong> contextClassLoader;
-<a class="jxr_linenumber" name="L712" href="#L712">712</a>         }
-<a class="jxr_linenumber" name="L713" href="#L713">713</a> 
-<a class="jxr_linenumber" name="L714" href="#L714">714</a>         <strong 
class="jxr_keyword">if</strong> (baseClassLoader != contextClassLoader) {
-<a class="jxr_linenumber" name="L715" href="#L715">715</a>             <em 
class="jxr_comment">// We really should just use the contextClassLoader as the 
starting</em>
-<a class="jxr_linenumber" name="L716" href="#L716">716</a>             <em 
class="jxr_comment">// point for scanning for log adapter classes. However it 
is expected</em>
-<a class="jxr_linenumber" name="L717" href="#L717">717</a>             <em 
class="jxr_comment">// that there are a number of broken systems out there 
which create</em>
-<a class="jxr_linenumber" name="L718" href="#L718">718</a>             <em 
class="jxr_comment">// custom class loaders but fail to set the context class 
loader so</em>
-<a class="jxr_linenumber" name="L719" href="#L719">719</a>             <em 
class="jxr_comment">// we handle those flawed systems anyway.</em>
-<a class="jxr_linenumber" name="L720" href="#L720">720</a>             <strong 
class="jxr_keyword">if</strong> (!allowFlawedContext) {
-<a class="jxr_linenumber" name="L721" href="#L721">721</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(
-<a class="jxr_linenumber" name="L722" href="#L722">722</a>                     
    <span class="jxr_string">"Bad class loader hierarchy; LogFactoryImpl was 
loaded via"</span> +
-<a class="jxr_linenumber" name="L723" href="#L723">723</a>                     
    <span class="jxr_string">" a class loader that is not related to the 
current context"</span> +
-<a class="jxr_linenumber" name="L724" href="#L724">724</a>                     
    <span class="jxr_string">" class loader."</span>);
-<a class="jxr_linenumber" name="L725" href="#L725">725</a>             }
-<a class="jxr_linenumber" name="L726" href="#L726">726</a>             <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L727" href="#L727">727</a>                 
logDiagnostic(
-<a class="jxr_linenumber" name="L728" href="#L728">728</a>                     
    <span class="jxr_string">"Warning: the context class loader is an ancestor 
of the"</span> +
-<a class="jxr_linenumber" name="L729" href="#L729">729</a>                     
    <span class="jxr_string">" class loader that loaded LogFactoryImpl; it 
should be"</span> +
-<a class="jxr_linenumber" name="L730" href="#L730">730</a>                     
    <span class="jxr_string">" the same or a descendant. The application 
using"</span> +
-<a class="jxr_linenumber" name="L731" href="#L731">731</a>                     
    <span class="jxr_string">" commons-logging should ensure the context class 
loader"</span> +
-<a class="jxr_linenumber" name="L732" href="#L732">732</a>                     
    <span class="jxr_string">" is used correctly."</span>);
-<a class="jxr_linenumber" name="L733" href="#L733">733</a>             }
-<a class="jxr_linenumber" name="L734" href="#L734">734</a>         }
-<a class="jxr_linenumber" name="L735" href="#L735">735</a> 
-<a class="jxr_linenumber" name="L736" href="#L736">736</a>         <strong 
class="jxr_keyword">return</strong> baseClassLoader;
-<a class="jxr_linenumber" name="L737" href="#L737">737</a>     }
-<a class="jxr_linenumber" name="L738" href="#L738">738</a> 
-<a class="jxr_linenumber" name="L739" href="#L739">739</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L740" href="#L740">740</a> <em 
class="jxr_javadoccomment">     * Gets the setting for the user-configurable 
behavior specified by key.</em>
-<a class="jxr_linenumber" name="L741" href="#L741">741</a> <em 
class="jxr_javadoccomment">     * If nothing has explicitly been set, then 
return dflt.</em>
-<a class="jxr_linenumber" name="L742" href="#L742">742</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L743" href="#L743">743</a>     <strong 
class="jxr_keyword">private</strong> <strong 
class="jxr_keyword">boolean</strong> getBooleanConfiguration(<strong 
class="jxr_keyword">final</strong> String key, <strong 
class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> 
dflt) {
-<a class="jxr_linenumber" name="L744" href="#L744">744</a>         <strong 
class="jxr_keyword">final</strong> String val = getConfigurationValue(key);
-<a class="jxr_linenumber" name="L745" href="#L745">745</a>         <strong 
class="jxr_keyword">if</strong> (val == <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L746" href="#L746">746</a>             <strong 
class="jxr_keyword">return</strong> dflt;
-<a class="jxr_linenumber" name="L747" href="#L747">747</a>         }
-<a class="jxr_linenumber" name="L748" href="#L748">748</a>         <strong 
class="jxr_keyword">return</strong> Boolean.parseBoolean(val);
-<a class="jxr_linenumber" name="L749" href="#L749">749</a>     }
-<a class="jxr_linenumber" name="L750" href="#L750">750</a> 
-<a class="jxr_linenumber" name="L751" href="#L751">751</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L752" href="#L752">752</a> <em 
class="jxr_javadoccomment">     * Attempt to find an attribute (see method 
setAttribute) or a</em>
-<a class="jxr_linenumber" name="L753" href="#L753">753</a> <em 
class="jxr_javadoccomment">     * system property with the provided name and 
return its value.</em>
-<a class="jxr_linenumber" name="L754" href="#L754">754</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L755" href="#L755">755</a> <em 
class="jxr_javadoccomment">     * The attributes associated with this object 
are checked before</em>
-<a class="jxr_linenumber" name="L756" href="#L756">756</a> <em 
class="jxr_javadoccomment">     * system properties in case someone has 
explicitly called setAttribute,</em>
-<a class="jxr_linenumber" name="L757" href="#L757">757</a> <em 
class="jxr_javadoccomment">     * or a configuration property has been set in a 
commons-logging.properties</em>
-<a class="jxr_linenumber" name="L758" href="#L758">758</a> <em 
class="jxr_javadoccomment">     * file.</em>
-<a class="jxr_linenumber" name="L759" href="#L759">759</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L760" href="#L760">760</a> <em 
class="jxr_javadoccomment">     * @return the value associated with the 
property, or null.</em>
-<a class="jxr_linenumber" name="L761" href="#L761">761</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L762" href="#L762">762</a>     <strong 
class="jxr_keyword">private</strong> String getConfigurationValue(<strong 
class="jxr_keyword">final</strong> String property) {
-<a class="jxr_linenumber" name="L763" href="#L763">763</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L764" href="#L764">764</a>             
logDiagnostic(<span class="jxr_string">"[ENV] Trying to get configuration for 
item "</span> + property);
-<a class="jxr_linenumber" name="L765" href="#L765">765</a>         }
-<a class="jxr_linenumber" name="L766" href="#L766">766</a> 
-<a class="jxr_linenumber" name="L767" href="#L767">767</a>         <strong 
class="jxr_keyword">final</strong> Object valueObj =  getAttribute(property);
-<a class="jxr_linenumber" name="L768" href="#L768">768</a>         <strong 
class="jxr_keyword">if</strong> (valueObj != <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L769" href="#L769">769</a>             <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L770" href="#L770">770</a>                 
logDiagnostic(<span class="jxr_string">"[ENV] Found LogFactory attribute 
["</span> + valueObj + <span class="jxr_string">"] for "</span> + property);
-<a class="jxr_linenumber" name="L771" href="#L771">771</a>             }
-<a class="jxr_linenumber" name="L772" href="#L772">772</a>             <strong 
class="jxr_keyword">return</strong> valueObj.toString();
-<a class="jxr_linenumber" name="L773" href="#L773">773</a>         }
-<a class="jxr_linenumber" name="L774" href="#L774">774</a> 
-<a class="jxr_linenumber" name="L775" href="#L775">775</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L776" href="#L776">776</a>             
logDiagnostic(<span class="jxr_string">"[ENV] No LogFactory attribute found for 
"</span> + property);
-<a class="jxr_linenumber" name="L777" href="#L777">777</a>         }
-<a class="jxr_linenumber" name="L778" href="#L778">778</a> 
-<a class="jxr_linenumber" name="L779" href="#L779">779</a>         <strong 
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L780" href="#L780">780</a>             <em 
class="jxr_comment">// warning: minor security hole here, in that we 
potentially read a system</em>
-<a class="jxr_linenumber" name="L781" href="#L781">781</a>             <em 
class="jxr_comment">// property that the caller cannot, then output it in 
readable form as a</em>
-<a class="jxr_linenumber" name="L782" href="#L782">782</a>             <em 
class="jxr_comment">// diagnostic message. However it's only ever JCL-specific 
properties</em>
-<a class="jxr_linenumber" name="L783" href="#L783">783</a>             <em 
class="jxr_comment">// involved here, so the harm is truly trivial.</em>
-<a class="jxr_linenumber" name="L784" href="#L784">784</a>             <strong 
class="jxr_keyword">final</strong> String value = getSystemProperty(property, 
<strong class="jxr_keyword">null</strong>);
-<a class="jxr_linenumber" name="L785" href="#L785">785</a>             <strong 
class="jxr_keyword">if</strong> (value != <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L786" href="#L786">786</a>                 
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L787" href="#L787">787</a>                     
logDiagnostic(<span class="jxr_string">"[ENV] Found system property ["</span> + 
value + <span class="jxr_string">"] for "</span> + property);
-<a class="jxr_linenumber" name="L788" href="#L788">788</a>                 }
-<a class="jxr_linenumber" name="L789" href="#L789">789</a>                 
<strong class="jxr_keyword">return</strong> value;
-<a class="jxr_linenumber" name="L790" href="#L790">790</a>             }
-<a class="jxr_linenumber" name="L791" href="#L791">791</a> 
-<a class="jxr_linenumber" name="L792" href="#L792">792</a>             <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L793" href="#L793">793</a>                 
logDiagnostic(<span class="jxr_string">"[ENV] No system property found for 
property "</span> + property);
-<a class="jxr_linenumber" name="L794" href="#L794">794</a>             }
-<a class="jxr_linenumber" name="L795" href="#L795">795</a>         } <strong 
class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> 
SecurityException e) {
-<a class="jxr_linenumber" name="L796" href="#L796">796</a>             <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L797" href="#L797">797</a>                 
logDiagnostic(<span class="jxr_string">"[ENV] Security prevented reading system 
property "</span> + property);
-<a class="jxr_linenumber" name="L798" href="#L798">798</a>             }
-<a class="jxr_linenumber" name="L799" href="#L799">799</a>         }
-<a class="jxr_linenumber" name="L800" href="#L800">800</a> 
-<a class="jxr_linenumber" name="L801" href="#L801">801</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L802" href="#L802">802</a>             
logDiagnostic(<span class="jxr_string">"[ENV] No configuration defined for item 
"</span> + property);
-<a class="jxr_linenumber" name="L803" href="#L803">803</a>         }
-<a class="jxr_linenumber" name="L804" href="#L804">804</a> 
-<a class="jxr_linenumber" name="L805" href="#L805">805</a>         <strong 
class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L806" href="#L806">806</a>     }
-<a class="jxr_linenumber" name="L807" href="#L807">807</a> 
-<a class="jxr_linenumber" name="L808" href="#L808">808</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L809" href="#L809">809</a> <em 
class="jxr_javadoccomment">     * Convenience method to derive a name from the 
specified class and</em>
-<a class="jxr_linenumber" name="L810" href="#L810">810</a> <em 
class="jxr_javadoccomment">     * call {@code getInstance(String)} with it.</em>
-<a class="jxr_linenumber" name="L811" href="#L811">811</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L812" href="#L812">812</a> <em 
class="jxr_javadoccomment">     * @param clazz Class for which a suitable Log 
name will be derived</em>
-<a class="jxr_linenumber" name="L813" href="#L813">813</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L814" href="#L814">814</a> <em 
class="jxr_javadoccomment">     * @throws LogConfigurationException if a 
suitable {@code Log}</em>
-<a class="jxr_linenumber" name="L815" href="#L815">815</a> <em 
class="jxr_javadoccomment">     *  instance cannot be returned</em>
-<a class="jxr_linenumber" name="L816" href="#L816">816</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L817" href="#L817">817</a>     @Override
-<a class="jxr_linenumber" name="L818" href="#L818">818</a>     <strong 
class="jxr_keyword">public</strong> <a name="Log" 
href="../../../../../org/apache/commons/logging/Log.html#Log">Log</a> 
getInstance(<strong class="jxr_keyword">final</strong> Class&lt;?&gt; clazz) 
<strong class="jxr_keyword">throws</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>
 {
-<a class="jxr_linenumber" name="L819" href="#L819">819</a>         <strong 
class="jxr_keyword">return</strong> getInstance(clazz.getName());
-<a class="jxr_linenumber" name="L820" href="#L820">820</a>     }
-<a class="jxr_linenumber" name="L821" href="#L821">821</a> 
-<a class="jxr_linenumber" name="L822" href="#L822">822</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L823" href="#L823">823</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;Construct (if necessary) and return 
a {@code Log} instance,</em>
-<a class="jxr_linenumber" name="L824" href="#L824">824</a> <em 
class="jxr_javadoccomment">     * using the factory's current set of 
configuration attributes.&lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L825" href="#L825">825</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L826" href="#L826">826</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;&lt;strong&gt;NOTE&lt;/strong&gt; - 
Depending upon the implementation of</em>
-<a class="jxr_linenumber" name="L827" href="#L827">827</a> <em 
class="jxr_javadoccomment">     * the {@code LogFactory} you are using, the 
{@code Log}</em>
-<a class="jxr_linenumber" name="L828" href="#L828">828</a> <em 
class="jxr_javadoccomment">     * instance you are returned may or may not be 
local to the current</em>
-<a class="jxr_linenumber" name="L829" href="#L829">829</a> <em 
class="jxr_javadoccomment">     * application, and may or may not be returned 
again on a subsequent</em>
-<a class="jxr_linenumber" name="L830" href="#L830">830</a> <em 
class="jxr_javadoccomment">     * call with the same name 
argument.&lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L831" href="#L831">831</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L832" href="#L832">832</a> <em 
class="jxr_javadoccomment">     * @param name Logical name of the {@code Log} 
instance to be</em>
-<a class="jxr_linenumber" name="L833" href="#L833">833</a> <em 
class="jxr_javadoccomment">     *  returned (the meaning of this name is only 
known to the underlying</em>
-<a class="jxr_linenumber" name="L834" href="#L834">834</a> <em 
class="jxr_javadoccomment">     *  logging implementation that is being 
wrapped)</em>
-<a class="jxr_linenumber" name="L835" href="#L835">835</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L836" href="#L836">836</a> <em 
class="jxr_javadoccomment">     * @throws LogConfigurationException if a 
suitable {@code Log}</em>
-<a class="jxr_linenumber" name="L837" href="#L837">837</a> <em 
class="jxr_javadoccomment">     *  instance cannot be returned</em>
-<a class="jxr_linenumber" name="L838" href="#L838">838</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L839" href="#L839">839</a>     @Override
-<a class="jxr_linenumber" name="L840" href="#L840">840</a>     <strong 
class="jxr_keyword">public</strong> <a name="Log" 
href="../../../../../org/apache/commons/logging/Log.html#Log">Log</a> 
getInstance(<strong class="jxr_keyword">final</strong> String name) <strong 
class="jxr_keyword">throws</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>
 {
-<a class="jxr_linenumber" name="L841" href="#L841">841</a>         <strong 
class="jxr_keyword">return</strong> instances.computeIfAbsent(name, <strong 
class="jxr_keyword">this</strong>::newInstance);
-<a class="jxr_linenumber" name="L842" href="#L842">842</a>     }
-<a class="jxr_linenumber" name="L843" href="#L843">843</a> 
-<a class="jxr_linenumber" name="L844" href="#L844">844</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L845" href="#L845">845</a> <em 
class="jxr_javadoccomment">     * Return the fully qualified Java class name of 
the {@link Log} implementation we will be using.</em>
-<a class="jxr_linenumber" name="L846" href="#L846">846</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L847" href="#L847">847</a> <em 
class="jxr_javadoccomment">     * @return the fully qualified Java class name 
of the {@link Log} implementation we will be using.</em>
-<a class="jxr_linenumber" name="L848" href="#L848">848</a> <em 
class="jxr_javadoccomment">     * @deprecated Never invoked by this class; 
subclasses should not assume it will be.</em>
-<a class="jxr_linenumber" name="L849" href="#L849">849</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L850" href="#L850">850</a>     @Deprecated
-<a class="jxr_linenumber" name="L851" href="#L851">851</a>     <strong 
class="jxr_keyword">protected</strong> String getLogClassName() {
-<a class="jxr_linenumber" name="L852" href="#L852">852</a>         <strong 
class="jxr_keyword">if</strong> (logClassName == <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L853" href="#L853">853</a>             
discoverLogImplementation(getClass().getName());
-<a class="jxr_linenumber" name="L854" href="#L854">854</a>         }
-<a class="jxr_linenumber" name="L855" href="#L855">855</a> 
-<a class="jxr_linenumber" name="L856" href="#L856">856</a>         <strong 
class="jxr_keyword">return</strong> logClassName;
-<a class="jxr_linenumber" name="L857" href="#L857">857</a>     }
-<a class="jxr_linenumber" name="L858" href="#L858">858</a> 
-<a class="jxr_linenumber" name="L859" href="#L859">859</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L860" href="#L860">860</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L861" href="#L861">861</a> <em 
class="jxr_javadoccomment">     * Return the {@code Constructor} that can be 
called to instantiate new {@link org.apache.commons.logging.Log} instances.</em>
-<a class="jxr_linenumber" name="L862" href="#L862">862</a> <em 
class="jxr_javadoccomment">     * &lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L863" href="#L863">863</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L864" href="#L864">864</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L865" href="#L865">865</a> <em 
class="jxr_javadoccomment">     * &lt;strong&gt;IMPLEMENTATION 
NOTE&lt;/strong&gt; - Race conditions caused by calling this method from more 
than one thread are ignored, because the same</em>
-<a class="jxr_linenumber" name="L866" href="#L866">866</a> <em 
class="jxr_javadoccomment">     * {@code Constructor} instance will ultimately 
be derived in all circumstances.</em>
-<a class="jxr_linenumber" name="L867" href="#L867">867</a> <em 
class="jxr_javadoccomment">     * &lt;/p&gt;</em>
-<a class="jxr_linenumber" name="L868" href="#L868">868</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L869" href="#L869">869</a> <em 
class="jxr_javadoccomment">     * @return the {@code Constructor} that can be 
called to instantiate new {@link org.apache.commons.logging.Log} instances.</em>
-<a class="jxr_linenumber" name="L870" href="#L870">870</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L871" href="#L871">871</a> <em 
class="jxr_javadoccomment">     * @throws LogConfigurationException if a 
suitable constructor cannot be returned</em>
-<a class="jxr_linenumber" name="L872" href="#L872">872</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L873" href="#L873">873</a> <em 
class="jxr_javadoccomment">     * @deprecated Never invoked by this class; 
subclasses should not assume it will be.</em>
-<a class="jxr_linenumber" name="L874" href="#L874">874</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L875" href="#L875">875</a>     @Deprecated
-<a class="jxr_linenumber" name="L876" href="#L876">876</a>     <strong 
class="jxr_keyword">protected</strong> Constructor getLogConstructor()
-<a class="jxr_linenumber" name="L877" href="#L877">877</a>         <strong 
class="jxr_keyword">throws</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>
 {
-<a class="jxr_linenumber" name="L878" href="#L878">878</a> 
-<a class="jxr_linenumber" name="L879" href="#L879">879</a>         <em 
class="jxr_comment">// Return the previously identified Constructor (if 
any)</em>
-<a class="jxr_linenumber" name="L880" href="#L880">880</a>         <strong 
class="jxr_keyword">if</strong> (logConstructor == <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L881" href="#L881">881</a>             
discoverLogImplementation(getClass().getName());
-<a class="jxr_linenumber" name="L882" href="#L882">882</a>         }
-<a class="jxr_linenumber" name="L883" href="#L883">883</a> 
-<a class="jxr_linenumber" name="L884" href="#L884">884</a>         <strong 
class="jxr_keyword">return</strong> logConstructor;
-<a class="jxr_linenumber" name="L885" href="#L885">885</a>     }
-<a class="jxr_linenumber" name="L886" href="#L886">886</a> 
-<a class="jxr_linenumber" name="L887" href="#L887">887</a>     <em 
class="jxr_comment">//  ------------------------------------------------------ 
Private Methods</em>
-<a class="jxr_linenumber" name="L888" href="#L888">888</a> 
-<a class="jxr_linenumber" name="L889" href="#L889">889</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L890" href="#L890">890</a> <em 
class="jxr_javadoccomment">     * Given two related class loaders, return the 
one which is a child of</em>
-<a class="jxr_linenumber" name="L891" href="#L891">891</a> <em 
class="jxr_javadoccomment">     * the other.</em>
-<a class="jxr_linenumber" name="L892" href="#L892">892</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L893" href="#L893">893</a> <em 
class="jxr_javadoccomment">     * @param c1 is a class loader (including the 
null class loader)</em>
-<a class="jxr_linenumber" name="L894" href="#L894">894</a> <em 
class="jxr_javadoccomment">     * @param c2 is a class loader (including the 
null class loader)</em>
-<a class="jxr_linenumber" name="L895" href="#L895">895</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L896" href="#L896">896</a> <em 
class="jxr_javadoccomment">     * @return c1 if it has c2 as an ancestor, c2 if 
it has c1 as an ancestor,</em>
-<a class="jxr_linenumber" name="L897" href="#L897">897</a> <em 
class="jxr_javadoccomment">     * and null if neither is an ancestor of the 
other.</em>
-<a class="jxr_linenumber" name="L898" href="#L898">898</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L899" href="#L899">899</a>     <strong 
class="jxr_keyword">private</strong> ClassLoader getLowestClassLoader(<strong 
class="jxr_keyword">final</strong> ClassLoader c1, <strong 
class="jxr_keyword">final</strong> ClassLoader c2) {
-<a class="jxr_linenumber" name="L900" href="#L900">900</a>         <em 
class="jxr_comment">// TODO: use AccessController when dealing with class 
loaders here</em>
-<a class="jxr_linenumber" name="L901" href="#L901">901</a> 
-<a class="jxr_linenumber" name="L902" href="#L902">902</a>         <strong 
class="jxr_keyword">if</strong> (c1 == <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L903" href="#L903">903</a>             <strong 
class="jxr_keyword">return</strong> c2;
-<a class="jxr_linenumber" name="L904" href="#L904">904</a>         }
-<a class="jxr_linenumber" name="L905" href="#L905">905</a> 
-<a class="jxr_linenumber" name="L906" href="#L906">906</a>         <strong 
class="jxr_keyword">if</strong> (c2 == <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L907" href="#L907">907</a>             <strong 
class="jxr_keyword">return</strong> c1;
-<a class="jxr_linenumber" name="L908" href="#L908">908</a>         }
-<a class="jxr_linenumber" name="L909" href="#L909">909</a> 
-<a class="jxr_linenumber" name="L910" href="#L910">910</a>         ClassLoader 
current;
-<a class="jxr_linenumber" name="L911" href="#L911">911</a> 
-<a class="jxr_linenumber" name="L912" href="#L912">912</a>         <em 
class="jxr_comment">// scan c1's ancestors to find c2</em>
-<a class="jxr_linenumber" name="L913" href="#L913">913</a>         current = 
c1;
-<a class="jxr_linenumber" name="L914" href="#L914">914</a>         <strong 
class="jxr_keyword">while</strong> (current != <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L915" href="#L915">915</a>             <strong 
class="jxr_keyword">if</strong> (current == c2) {
-<a class="jxr_linenumber" name="L916" href="#L916">916</a>                 
<strong class="jxr_keyword">return</strong> c1;
-<a class="jxr_linenumber" name="L917" href="#L917">917</a>             }
-<a class="jxr_linenumber" name="L918" href="#L918">918</a>             <em 
class="jxr_comment">// current = current.getParent();</em>
-<a class="jxr_linenumber" name="L919" href="#L919">919</a>             current 
= getParentClassLoader(current);
-<a class="jxr_linenumber" name="L920" href="#L920">920</a>         }
-<a class="jxr_linenumber" name="L921" href="#L921">921</a> 
-<a class="jxr_linenumber" name="L922" href="#L922">922</a>         <em 
class="jxr_comment">// scan c2's ancestors to find c1</em>
-<a class="jxr_linenumber" name="L923" href="#L923">923</a>         current = 
c2;
-<a class="jxr_linenumber" name="L924" href="#L924">924</a>         <strong 
class="jxr_keyword">while</strong> (current != <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L925" href="#L925">925</a>             <strong 
class="jxr_keyword">if</strong> (current == c1) {
-<a class="jxr_linenumber" name="L926" href="#L926">926</a>                 
<strong class="jxr_keyword">return</strong> c2;
-<a class="jxr_linenumber" name="L927" href="#L927">927</a>             }
-<a class="jxr_linenumber" name="L928" href="#L928">928</a>             <em 
class="jxr_comment">// current = current.getParent();</em>
-<a class="jxr_linenumber" name="L929" href="#L929">929</a>             current 
= getParentClassLoader(current);
-<a class="jxr_linenumber" name="L930" href="#L930">930</a>         }
-<a class="jxr_linenumber" name="L931" href="#L931">931</a> 
-<a class="jxr_linenumber" name="L932" href="#L932">932</a>         <strong 
class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L933" href="#L933">933</a>     }
-<a class="jxr_linenumber" name="L934" href="#L934">934</a> 
-<a class="jxr_linenumber" name="L935" href="#L935">935</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L936" href="#L936">936</a> <em 
class="jxr_javadoccomment">     * Fetch the parent class loader of a specified 
class loader.</em>
-<a class="jxr_linenumber" name="L937" href="#L937">937</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L938" href="#L938">938</a> <em 
class="jxr_javadoccomment">     * If a SecurityException occurs, null is 
returned.</em>
-<a class="jxr_linenumber" name="L939" href="#L939">939</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L940" href="#L940">940</a> <em 
class="jxr_javadoccomment">     * Note that this method is non-static merely so 
logDiagnostic is available.</em>
-<a class="jxr_linenumber" name="L941" href="#L941">941</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L942" href="#L942">942</a>     <strong 
class="jxr_keyword">private</strong> ClassLoader getParentClassLoader(<strong 
class="jxr_keyword">final</strong> ClassLoader cl) {
-<a class="jxr_linenumber" name="L943" href="#L943">943</a>         <strong 
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L944" href="#L944">944</a>             <strong 
class="jxr_keyword">return</strong> 
AccessController.doPrivileged((PrivilegedAction&lt;ClassLoader&gt;) () -&gt; 
cl.getParent());
-<a class="jxr_linenumber" name="L945" href="#L945">945</a>         } <strong 
class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong> 
SecurityException ex) {
-<a class="jxr_linenumber" name="L946" href="#L946">946</a>             
logDiagnostic(<span class="jxr_string">"[SECURITY] Unable to obtain parent 
class loader"</span>);
-<a class="jxr_linenumber" name="L947" href="#L947">947</a>             <strong 
class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L948" href="#L948">948</a>         }
-<a class="jxr_linenumber" name="L949" href="#L949">949</a> 
-<a class="jxr_linenumber" name="L950" href="#L950">950</a>     }
-<a class="jxr_linenumber" name="L951" href="#L951">951</a> 
-<a class="jxr_linenumber" name="L952" href="#L952">952</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L953" href="#L953">953</a> <em 
class="jxr_javadoccomment">     * Generates an internal diagnostic logging of 
the discovery failure and</em>
-<a class="jxr_linenumber" name="L954" href="#L954">954</a> <em 
class="jxr_javadoccomment">     * then throws a {@code 
LogConfigurationException} that wraps</em>
-<a class="jxr_linenumber" name="L955" href="#L955">955</a> <em 
class="jxr_javadoccomment">     * the passed {@code Throwable}.</em>
-<a class="jxr_linenumber" name="L956" href="#L956">956</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L957" href="#L957">957</a> <em 
class="jxr_javadoccomment">     * @param logAdapterClassName is the class name 
of the Log implementation</em>
-<a class="jxr_linenumber" name="L958" href="#L958">958</a> <em 
class="jxr_javadoccomment">     * that could not be instantiated. Cannot be 
{@code null}.</em>
-<a class="jxr_linenumber" name="L959" href="#L959">959</a> <em 
class="jxr_javadoccomment">     * @param discoveryFlaw is the Throwable created 
by the class loader</em>
-<a class="jxr_linenumber" name="L960" href="#L960">960</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L961" href="#L961">961</a> <em 
class="jxr_javadoccomment">     * @throws LogConfigurationException    
ALWAYS</em>
-<a class="jxr_linenumber" name="L962" href="#L962">962</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L963" href="#L963">963</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
handleFlawedDiscovery(<strong class="jxr_keyword">final</strong> String 
logAdapterClassName,
-<a class="jxr_linenumber" name="L964" href="#L964">964</a>                     
                   <strong class="jxr_keyword">final</strong> Throwable 
discoveryFlaw) {
-<a class="jxr_linenumber" name="L965" href="#L965">965</a> 
-<a class="jxr_linenumber" name="L966" href="#L966">966</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L967" href="#L967">967</a>             
logDiagnostic(<span class="jxr_string">"Could not instantiate Log '"</span> +
-<a class="jxr_linenumber" name="L968" href="#L968">968</a>                     
  logAdapterClassName + <span class="jxr_string">"' -- "</span> +
-<a class="jxr_linenumber" name="L969" href="#L969">969</a>                     
  discoveryFlaw.getClass().getName() + <span class="jxr_string">": "</span> +
-<a class="jxr_linenumber" name="L970" href="#L970">970</a>                     
  discoveryFlaw.getLocalizedMessage());
-<a class="jxr_linenumber" name="L971" href="#L971">971</a> 
-<a class="jxr_linenumber" name="L972" href="#L972">972</a>             <strong 
class="jxr_keyword">if</strong> (discoveryFlaw instanceof 
InvocationTargetException ) {
-<a class="jxr_linenumber" name="L973" href="#L973">973</a>                 <em 
class="jxr_comment">// Ok, the lib is there but while trying to create a real 
underlying</em>
-<a class="jxr_linenumber" name="L974" href="#L974">974</a>                 <em 
class="jxr_comment">// logger something failed in the underlying lib; display 
info about</em>
-<a class="jxr_linenumber" name="L975" href="#L975">975</a>                 <em 
class="jxr_comment">// that if possible.</em>
-<a class="jxr_linenumber" name="L976" href="#L976">976</a>                 
<strong class="jxr_keyword">final</strong> InvocationTargetException ite = 
(InvocationTargetException) discoveryFlaw;
-<a class="jxr_linenumber" name="L977" href="#L977">977</a>                 
<strong class="jxr_keyword">final</strong> Throwable cause = 
ite.getTargetException();
-<a class="jxr_linenumber" name="L978" href="#L978">978</a>                 
<strong class="jxr_keyword">if</strong> (cause != <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L979" href="#L979">979</a>                     
logDiagnostic(<span class="jxr_string">"... InvocationTargetException: "</span> 
+
-<a class="jxr_linenumber" name="L980" href="#L980">980</a>                     
    cause.getClass().getName() + <span class="jxr_string">": "</span> +
-<a class="jxr_linenumber" name="L981" href="#L981">981</a>                     
    cause.getLocalizedMessage());
-<a class="jxr_linenumber" name="L982" href="#L982">982</a> 
-<a class="jxr_linenumber" name="L983" href="#L983">983</a>                     
<strong class="jxr_keyword">if</strong> (cause instanceof 
ExceptionInInitializerError) {
-<a class="jxr_linenumber" name="L984" href="#L984">984</a>                     
    <strong class="jxr_keyword">final</strong> ExceptionInInitializerError eiie 
= (ExceptionInInitializerError) cause;
-<a class="jxr_linenumber" name="L985" href="#L985">985</a>                     
    <strong class="jxr_keyword">final</strong> Throwable cause2 = 
eiie.getCause();
-<a class="jxr_linenumber" name="L986" href="#L986">986</a>                     
    <strong class="jxr_keyword">if</strong> (cause2 != <strong 
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L987" href="#L987">987</a>                     
        <strong class="jxr_keyword">final</strong> StringWriter sw = <strong 
class="jxr_keyword">new</strong> StringWriter();
-<a class="jxr_linenumber" name="L988" href="#L988">988</a>                     
        cause2.printStackTrace(<strong class="jxr_keyword">new</strong> 
PrintWriter(sw, <strong class="jxr_keyword">true</strong>));
-<a class="jxr_linenumber" name="L989" href="#L989">989</a>                     
        logDiagnostic(<span class="jxr_string">"... 
ExceptionInInitializerError: "</span> + sw.toString());
-<a class="jxr_linenumber" name="L990" href="#L990">990</a>                     
    }
-<a class="jxr_linenumber" name="L991" href="#L991">991</a>                     
}
-<a class="jxr_linenumber" name="L992" href="#L992">992</a>                 }
-<a class="jxr_linenumber" name="L993" href="#L993">993</a>             }
-<a class="jxr_linenumber" name="L994" href="#L994">994</a>         }
-<a class="jxr_linenumber" name="L995" href="#L995">995</a> 
-<a class="jxr_linenumber" name="L996" href="#L996">996</a>         <strong 
class="jxr_keyword">if</strong> (!allowFlawedDiscovery) {
-<a class="jxr_linenumber" name="L997" href="#L997">997</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(discoveryFlaw);
-<a class="jxr_linenumber" name="L998" href="#L998">998</a>         }
-<a class="jxr_linenumber" name="L999" href="#L999">999</a>     }
-<a class="jxr_linenumber" name="L1000" href="#L1000">1000</a> 
-<a class="jxr_linenumber" name="L1001" href="#L1001">1001</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L1002" href="#L1002">1002</a> <em 
class="jxr_javadoccomment">     * Report a problem loading the log adapter, 
then either return</em>
-<a class="jxr_linenumber" name="L1003" href="#L1003">1003</a> <em 
class="jxr_javadoccomment">     * (if the situation is considered recoverable) 
or throw a</em>
-<a class="jxr_linenumber" name="L1004" href="#L1004">1004</a> <em 
class="jxr_javadoccomment">     * LogConfigurationException.</em>
-<a class="jxr_linenumber" name="L1005" href="#L1005">1005</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L1006" href="#L1006">1006</a> <em 
class="jxr_javadoccomment">     * There are two possible reasons why we 
successfully loaded the</em>
-<a class="jxr_linenumber" name="L1007" href="#L1007">1007</a> <em 
class="jxr_javadoccomment">     * specified log adapter class then failed to 
cast it to a Log object:</em>
-<a class="jxr_linenumber" name="L1008" href="#L1008">1008</a> <em 
class="jxr_javadoccomment">     * &lt;ol&gt;</em>
-<a class="jxr_linenumber" name="L1009" href="#L1009">1009</a> <em 
class="jxr_javadoccomment">     * &lt;li&gt;the specific class just doesn't 
implement the Log interface</em>
-<a class="jxr_linenumber" name="L1010" href="#L1010">1010</a> <em 
class="jxr_javadoccomment">     *     (user screwed up), or</em>
-<a class="jxr_linenumber" name="L1011" href="#L1011">1011</a> <em 
class="jxr_javadoccomment">     * &lt;li&gt; the specified class has bound to a 
Log class loaded by some other</em>
-<a class="jxr_linenumber" name="L1012" href="#L1012">1012</a> <em 
class="jxr_javadoccomment">     *      class loader; Log@ClassLoaderX cannot be 
cast to Log@ClassLoaderY.</em>
-<a class="jxr_linenumber" name="L1013" href="#L1013">1013</a> <em 
class="jxr_javadoccomment">     * &lt;/ol&gt;</em>
-<a class="jxr_linenumber" name="L1014" href="#L1014">1014</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L1015" href="#L1015">1015</a> <em 
class="jxr_javadoccomment">     * Here we try to figure out which case has 
occurred so we can give the</em>
-<a class="jxr_linenumber" name="L1016" href="#L1016">1016</a> <em 
class="jxr_javadoccomment">     * user some reasonable feedback.</em>
-<a class="jxr_linenumber" name="L1017" href="#L1017">1017</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L1018" href="#L1018">1018</a> <em 
class="jxr_javadoccomment">     * @param badClassLoader is the class loader we 
loaded the problem class from,</em>
-<a class="jxr_linenumber" name="L1019" href="#L1019">1019</a> <em 
class="jxr_javadoccomment">     * ie it is equivalent to 
badClass.getClassLoader().</em>
-<a class="jxr_linenumber" name="L1020" href="#L1020">1020</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L1021" href="#L1021">1021</a> <em 
class="jxr_javadoccomment">     * @param badClass is a Class object with the 
desired name, but which</em>
-<a class="jxr_linenumber" name="L1022" href="#L1022">1022</a> <em 
class="jxr_javadoccomment">     * does not implement Log correctly.</em>
-<a class="jxr_linenumber" name="L1023" href="#L1023">1023</a> <em 
class="jxr_javadoccomment">     *</em>
-<a class="jxr_linenumber" name="L1024" href="#L1024">1024</a> <em 
class="jxr_javadoccomment">     * @throws LogConfigurationException when the 
situation</em>
-<a class="jxr_linenumber" name="L1025" href="#L1025">1025</a> <em 
class="jxr_javadoccomment">     * should not be recovered from.</em>
-<a class="jxr_linenumber" name="L1026" href="#L1026">1026</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L1027" href="#L1027">1027</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
handleFlawedHierarchy(<strong class="jxr_keyword">final</strong> ClassLoader 
badClassLoader, <strong class="jxr_keyword">final</strong> Class badClass)
-<a class="jxr_linenumber" name="L1028" href="#L1028">1028</a>         <strong 
class="jxr_keyword">throws</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>
 {
-<a class="jxr_linenumber" name="L1029" href="#L1029">1029</a> 
-<a class="jxr_linenumber" name="L1030" href="#L1030">1030</a>         <strong 
class="jxr_keyword">boolean</strong> implementsLog = false;
-<a class="jxr_linenumber" name="L1031" href="#L1031">1031</a>         <strong 
class="jxr_keyword">final</strong> String logInterfaceName = Log.<strong 
class="jxr_keyword">class</strong>.getName();
-<a class="jxr_linenumber" name="L1032" href="#L1032">1032</a>         <strong 
class="jxr_keyword">final</strong> Class[] interfaces = 
badClass.getInterfaces();
-<a class="jxr_linenumber" name="L1033" href="#L1033">1033</a>         <strong 
class="jxr_keyword">for</strong> (<strong class="jxr_keyword">final</strong> 
Class element : interfaces) {
-<a class="jxr_linenumber" name="L1034" href="#L1034">1034</a>             
<strong class="jxr_keyword">if</strong> 
(logInterfaceName.equals(element.getName())) {
-<a class="jxr_linenumber" name="L1035" href="#L1035">1035</a>                 
implementsLog = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="L1036" href="#L1036">1036</a>                 
<strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="L1037" href="#L1037">1037</a>             }
-<a class="jxr_linenumber" name="L1038" href="#L1038">1038</a>         }
-<a class="jxr_linenumber" name="L1039" href="#L1039">1039</a> 
-<a class="jxr_linenumber" name="L1040" href="#L1040">1040</a>         <strong 
class="jxr_keyword">if</strong> (implementsLog) {
-<a class="jxr_linenumber" name="L1041" href="#L1041">1041</a>             <em 
class="jxr_comment">// the class does implement an interface called Log, 
but</em>
-<a class="jxr_linenumber" name="L1042" href="#L1042">1042</a>             <em 
class="jxr_comment">// it is in the wrong class loader</em>
-<a class="jxr_linenumber" name="L1043" href="#L1043">1043</a>             
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L1044" href="#L1044">1044</a>                 
<strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L1045" href="#L1045">1045</a>                  
   <strong class="jxr_keyword">final</strong> ClassLoader 
logInterfaceClassLoader = getClassLoader(Log.<strong 
class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="L1046" href="#L1046">1046</a>                  
   logDiagnostic(<span class="jxr_string">"Class '"</span> + badClass.getName() 
+ <span class="jxr_string">"' was found in class loader "</span> +
-<a class="jxr_linenumber" name="L1047" href="#L1047">1047</a>                  
                 objectId(badClassLoader) + <span class="jxr_string">". It is 
bound to a Log interface which is not"</span> +
-<a class="jxr_linenumber" name="L1048" href="#L1048">1048</a>                  
                 <span class="jxr_string">" the one loaded from class loader 
"</span> + objectId(logInterfaceClassLoader));
-<a class="jxr_linenumber" name="L1049" href="#L1049">1049</a>                 
} <strong class="jxr_keyword">catch</strong> (<strong 
class="jxr_keyword">final</strong> Throwable t) {
-<a class="jxr_linenumber" name="L1050" href="#L1050">1050</a>                  
   handleThrowable(t); <em class="jxr_comment">// may re-throw t</em>
-<a class="jxr_linenumber" name="L1051" href="#L1051">1051</a>                  
   logDiagnostic(<span class="jxr_string">"Error while trying to output 
diagnostics about"</span> + <span class="jxr_string">" bad class '"</span> + 
badClass + <span class="jxr_string">"'"</span>);
-<a class="jxr_linenumber" name="L1052" href="#L1052">1052</a>                 }
-<a class="jxr_linenumber" name="L1053" href="#L1053">1053</a>             }
-<a class="jxr_linenumber" name="L1054" href="#L1054">1054</a> 
-<a class="jxr_linenumber" name="L1055" href="#L1055">1055</a>             
<strong class="jxr_keyword">if</strong> (!allowFlawedHierarchy) {
-<a class="jxr_linenumber" name="L1056" href="#L1056">1056</a>                 
<strong class="jxr_keyword">final</strong> StringBuilder msg = <strong 
class="jxr_keyword">new</strong> StringBuilder();
-<a class="jxr_linenumber" name="L1057" href="#L1057">1057</a>                 
msg.append(<span class="jxr_string">"Terminating logging for this context 
"</span>);
-<a class="jxr_linenumber" name="L1058" href="#L1058">1058</a>                 
msg.append(<span class="jxr_string">"due to bad log hierarchy. "</span>);
-<a class="jxr_linenumber" name="L1059" href="#L1059">1059</a>                 
msg.append(<span class="jxr_string">"You have more than one version of 
'"</span>);
-<a class="jxr_linenumber" name="L1060" href="#L1060">1060</a>                 
msg.append(Log.<strong class="jxr_keyword">class</strong>.getName());
-<a class="jxr_linenumber" name="L1061" href="#L1061">1061</a>                 
msg.append(<span class="jxr_string">"' visible."</span>);
-<a class="jxr_linenumber" name="L1062" href="#L1062">1062</a>                 
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L1063" href="#L1063">1063</a>                  
   logDiagnostic(msg.toString());
-<a class="jxr_linenumber" name="L1064" href="#L1064">1064</a>                 }
-<a class="jxr_linenumber" name="L1065" href="#L1065">1065</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(msg.toString());
-<a class="jxr_linenumber" name="L1066" href="#L1066">1066</a>             }
-<a class="jxr_linenumber" name="L1067" href="#L1067">1067</a> 
-<a class="jxr_linenumber" name="L1068" href="#L1068">1068</a>             
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L1069" href="#L1069">1069</a>                 
<strong class="jxr_keyword">final</strong> StringBuilder msg = <strong 
class="jxr_keyword">new</strong> StringBuilder();
-<a class="jxr_linenumber" name="L1070" href="#L1070">1070</a>                 
msg.append(<span class="jxr_string">"Warning: bad log hierarchy. "</span>);
-<a class="jxr_linenumber" name="L1071" href="#L1071">1071</a>                 
msg.append(<span class="jxr_string">"You have more than one version of 
'"</span>);
-<a class="jxr_linenumber" name="L1072" href="#L1072">1072</a>                 
msg.append(Log.<strong class="jxr_keyword">class</strong>.getName());
-<a class="jxr_linenumber" name="L1073" href="#L1073">1073</a>                 
msg.append(<span class="jxr_string">"' visible."</span>);
-<a class="jxr_linenumber" name="L1074" href="#L1074">1074</a>                 
logDiagnostic(msg.toString());
-<a class="jxr_linenumber" name="L1075" href="#L1075">1075</a>             }
-<a class="jxr_linenumber" name="L1076" href="#L1076">1076</a>         } 
<strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L1077" href="#L1077">1077</a>             <em 
class="jxr_comment">// this is just a bad adapter class</em>
-<a class="jxr_linenumber" name="L1078" href="#L1078">1078</a>             
<strong class="jxr_keyword">if</strong> (!allowFlawedDiscovery) {
-<a class="jxr_linenumber" name="L1079" href="#L1079">1079</a>                 
<strong class="jxr_keyword">final</strong> StringBuilder msg = <strong 
class="jxr_keyword">new</strong> StringBuilder();
-<a class="jxr_linenumber" name="L1080" href="#L1080">1080</a>                 
msg.append(<span class="jxr_string">"Terminating logging for this context. 
"</span>);
-<a class="jxr_linenumber" name="L1081" href="#L1081">1081</a>                 
msg.append(<span class="jxr_string">"Log class '"</span>);
-<a class="jxr_linenumber" name="L1082" href="#L1082">1082</a>                 
msg.append(badClass.getName());
-<a class="jxr_linenumber" name="L1083" href="#L1083">1083</a>                 
msg.append(<span class="jxr_string">"' does not implement the Log 
interface."</span>);
-<a class="jxr_linenumber" name="L1084" href="#L1084">1084</a>                 
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L1085" href="#L1085">1085</a>                  
   logDiagnostic(msg.toString());
-<a class="jxr_linenumber" name="L1086" href="#L1086">1086</a>                 }
-<a class="jxr_linenumber" name="L1087" href="#L1087">1087</a> 
-<a class="jxr_linenumber" name="L1088" href="#L1088">1088</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(msg.toString());
-<a class="jxr_linenumber" name="L1089" href="#L1089">1089</a>             }
-<a class="jxr_linenumber" name="L1090" href="#L1090">1090</a> 
-<a class="jxr_linenumber" name="L1091" href="#L1091">1091</a>             
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L1092" href="#L1092">1092</a>                 
<strong class="jxr_keyword">final</strong> StringBuilder msg = <strong 
class="jxr_keyword">new</strong> StringBuilder();
-<a class="jxr_linenumber" name="L1093" href="#L1093">1093</a>                 
msg.append(<span class="jxr_string">"[WARNING] Log class '"</span>);
-<a class="jxr_linenumber" name="L1094" href="#L1094">1094</a>                 
msg.append(badClass.getName());
-<a class="jxr_linenumber" name="L1095" href="#L1095">1095</a>                 
msg.append(<span class="jxr_string">"' does not implement the Log 
interface."</span>);
-<a class="jxr_linenumber" name="L1096" href="#L1096">1096</a>                 
logDiagnostic(msg.toString());
-<a class="jxr_linenumber" name="L1097" href="#L1097">1097</a>             }
-<a class="jxr_linenumber" name="L1098" href="#L1098">1098</a>         }
-<a class="jxr_linenumber" name="L1099" href="#L1099">1099</a>     }
-<a class="jxr_linenumber" name="L1100" href="#L1100">1100</a> 
-<a class="jxr_linenumber" name="L1101" href="#L1101">1101</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L1102" href="#L1102">1102</a> <em 
class="jxr_javadoccomment">     * Appends message if the given name is similar 
to the candidate.</em>
-<a class="jxr_linenumber" name="L1103" href="#L1103">1103</a> <em 
class="jxr_javadoccomment">     * @param messageBuffer {@code StringBuffer} the 
message should be appended to,</em>
-<a class="jxr_linenumber" name="L1104" href="#L1104">1104</a> <em 
class="jxr_javadoccomment">     * not null</em>
-<a class="jxr_linenumber" name="L1105" href="#L1105">1105</a> <em 
class="jxr_javadoccomment">     * @param name the (trimmed) name to be test 
against the candidate, not null</em>
-<a class="jxr_linenumber" name="L1106" href="#L1106">1106</a> <em 
class="jxr_javadoccomment">     * @param candidate the candidate name (not 
null)</em>
-<a class="jxr_linenumber" name="L1107" href="#L1107">1107</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L1108" href="#L1108">1108</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
informUponSimilarName(<strong class="jxr_keyword">final</strong> StringBuilder 
messageBuffer, <strong class="jxr_keyword">final</strong> String name,
-<a class="jxr_linenumber" name="L1109" href="#L1109">1109</a>             
<strong class="jxr_keyword">final</strong> String candidate) {
-<a class="jxr_linenumber" name="L1110" href="#L1110">1110</a>         <strong 
class="jxr_keyword">if</strong> (name.equals(candidate)) {
-<a class="jxr_linenumber" name="L1111" href="#L1111">1111</a>             <em 
class="jxr_comment">// Don't suggest a name that is exactly the same as the one 
the</em>
-<a class="jxr_linenumber" name="L1112" href="#L1112">1112</a>             <em 
class="jxr_comment">// user tried...</em>
-<a class="jxr_linenumber" name="L1113" href="#L1113">1113</a>             
<strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="L1114" href="#L1114">1114</a>         }
-<a class="jxr_linenumber" name="L1115" href="#L1115">1115</a> 
-<a class="jxr_linenumber" name="L1116" href="#L1116">1116</a>         <em 
class="jxr_comment">// If the user provides a name that is in the right 
package, and gets</em>
-<a class="jxr_linenumber" name="L1117" href="#L1117">1117</a>         <em 
class="jxr_comment">// the first 5 characters of the adapter class right 
(ignoring case),</em>
-<a class="jxr_linenumber" name="L1118" href="#L1118">1118</a>         <em 
class="jxr_comment">// then suggest the candidate adapter class name.</em>
-<a class="jxr_linenumber" name="L1119" href="#L1119">1119</a>         <strong 
class="jxr_keyword">if</strong> (name.regionMatches(<strong 
class="jxr_keyword">true</strong>, 0, candidate, 0, PKG_LEN + 5)) {
-<a class="jxr_linenumber" name="L1120" href="#L1120">1120</a>             
messageBuffer.append(<span class="jxr_string">" Did you mean '"</span>);
-<a class="jxr_linenumber" name="L1121" href="#L1121">1121</a>             
messageBuffer.append(candidate);
-<a class="jxr_linenumber" name="L1122" href="#L1122">1122</a>             
messageBuffer.append(<span class="jxr_string">"'?"</span>);
-<a class="jxr_linenumber" name="L1123" href="#L1123">1123</a>         }
-<a class="jxr_linenumber" name="L1124" href="#L1124">1124</a>     }
-<a class="jxr_linenumber" name="L1125" href="#L1125">1125</a> 
-<a class="jxr_linenumber" name="L1126" href="#L1126">1126</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L1127" href="#L1127">1127</a> <em 
class="jxr_javadoccomment">     * Initialize a number of variables that control 
the behavior of this</em>
-<a class="jxr_linenumber" name="L1128" href="#L1128">1128</a> <em 
class="jxr_javadoccomment">     * class and that can be tweaked by the user. 
This is done when the first</em>
-<a class="jxr_linenumber" name="L1129" href="#L1129">1129</a> <em 
class="jxr_javadoccomment">     * logger is created, not in the constructor of 
this class, because we</em>
-<a class="jxr_linenumber" name="L1130" href="#L1130">1130</a> <em 
class="jxr_javadoccomment">     * need to give the user a chance to call method 
setAttribute in order to</em>
-<a class="jxr_linenumber" name="L1131" href="#L1131">1131</a> <em 
class="jxr_javadoccomment">     * configure this object.</em>
-<a class="jxr_linenumber" name="L1132" href="#L1132">1132</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L1133" href="#L1133">1133</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
initConfiguration() {
-<a class="jxr_linenumber" name="L1134" href="#L1134">1134</a>         
allowFlawedContext = getBooleanConfiguration(ALLOW_FLAWED_CONTEXT_PROPERTY, 
<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L1135" href="#L1135">1135</a>         
allowFlawedDiscovery = getBooleanConfiguration(ALLOW_FLAWED_DISCOVERY_PROPERTY, 
<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L1136" href="#L1136">1136</a>         
allowFlawedHierarchy = getBooleanConfiguration(ALLOW_FLAWED_HIERARCHY_PROPERTY, 
<strong class="jxr_keyword">true</strong>);
-<a class="jxr_linenumber" name="L1137" href="#L1137">1137</a>     }
-<a class="jxr_linenumber" name="L1138" href="#L1138">1138</a> 
-<a class="jxr_linenumber" name="L1139" href="#L1139">1139</a>     <em 
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L1140" href="#L1140">1140</a> <em 
class="jxr_javadoccomment">     * Calculate and cache a string that uniquely 
identifies this instance,</em>
-<a class="jxr_linenumber" name="L1141" href="#L1141">1141</a> <em 
class="jxr_javadoccomment">     * including which class loader the object was 
loaded from.</em>
-<a class="jxr_linenumber" name="L1142" href="#L1142">1142</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L1143" href="#L1143">1143</a> <em 
class="jxr_javadoccomment">     * This string will later be prefixed to each 
"internal logging" message</em>
-<a class="jxr_linenumber" name="L1144" href="#L1144">1144</a> <em 
class="jxr_javadoccomment">     * emitted, so that users can clearly see any 
unexpected behavior.</em>
-<a class="jxr_linenumber" name="L1145" href="#L1145">1145</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
-<a class="jxr_linenumber" name="L1146" href="#L1146">1146</a> <em 
class="jxr_javadoccomment">     * Note that this method does not detect whether 
internal logging is</em>
-<a class="jxr_linenumber" name="L1147" href="#L1147">1147</a> <em 
class="jxr_javadoccomment">     * enabled or not, nor where to output stuff if 
it is; that is all</em>
-<a class="jxr_linenumber" name="L1148" href="#L1148">1148</a> <em 
class="jxr_javadoccomment">     * handled by the parent LogFactory class. This 
method just computes</em>
-<a class="jxr_linenumber" name="L1149" href="#L1149">1149</a> <em 
class="jxr_javadoccomment">     * its own unique prefix for log messages.</em>
-<a class="jxr_linenumber" name="L1150" href="#L1150">1150</a> <em 
class="jxr_javadoccomment">     */</em>
-<a class="jxr_linenumber" name="L1151" href="#L1151">1151</a>     <strong 
class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> 
initDiagnostics() {
-<a class="jxr_linenumber" name="L1152" href="#L1152">1152</a>         <em 
class="jxr_comment">// It would be nice to include an identifier of the context 
class loader</em>
-<a class="jxr_linenumber" name="L1153" href="#L1153">1153</a>         <em 
class="jxr_comment">// that this LogFactoryImpl object is responsible for. 
However that</em>
-<a class="jxr_linenumber" name="L1154" href="#L1154">1154</a>         <em 
class="jxr_comment">// isn't possible as that information isn't available. It 
is possible</em>
-<a class="jxr_linenumber" name="L1155" href="#L1155">1155</a>         <em 
class="jxr_comment">// to figure this out by looking at the logging from 
LogFactory to</em>
-<a class="jxr_linenumber" name="L1156" href="#L1156">1156</a>         <em 
class="jxr_comment">// see the context &amp; impl ids from when this object was 
instantiated,</em>
-<a class="jxr_linenumber" name="L1157" href="#L1157">1157</a>         <em 
class="jxr_comment">// in order to link the impl id output as this object's 
prefix back to</em>
-<a class="jxr_linenumber" name="L1158" href="#L1158">1158</a>         <em 
class="jxr_comment">// the context it is intended to manage.</em>
-<a class="jxr_linenumber" name="L1159" href="#L1159">1159</a>         <em 
class="jxr_comment">// Note that this prefix should be kept consistent with 
that</em>
-<a class="jxr_linenumber" name="L1160" href="#L1160">1160</a>         <em 
class="jxr_comment">// in LogFactory.</em>
-<a class="jxr_linenumber" name="L1161" href="#L1161">1161</a>         <strong 
class="jxr_keyword">final</strong> Class clazz = <strong 
class="jxr_keyword">this</strong>.getClass();
+<a class="jxr_linenumber" name="L679" href="#L679">679</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L680" href="#L680">680</a>     <strong 
class="jxr_keyword">private</strong> ClassLoader getBaseClassLoader() <strong 
class="jxr_keyword">throws</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>
 {
+<a class="jxr_linenumber" name="L681" href="#L681">681</a>         <strong 
class="jxr_keyword">final</strong> ClassLoader thisClassLoader = 
getClassLoader(LogFactoryImpl.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="L682" href="#L682">682</a> 
+<a class="jxr_linenumber" name="L683" href="#L683">683</a>         <strong 
class="jxr_keyword">if</strong> (!useTCCL) {
+<a class="jxr_linenumber" name="L684" href="#L684">684</a>             <strong 
class="jxr_keyword">return</strong> thisClassLoader;
+<a class="jxr_linenumber" name="L685" href="#L685">685</a>         }
+<a class="jxr_linenumber" name="L686" href="#L686">686</a> 
+<a class="jxr_linenumber" name="L687" href="#L687">687</a>         <strong 
class="jxr_keyword">final</strong> ClassLoader contextClassLoader = 
getContextClassLoaderInternal();
+<a class="jxr_linenumber" name="L688" href="#L688">688</a> 
+<a class="jxr_linenumber" name="L689" href="#L689">689</a>         <strong 
class="jxr_keyword">final</strong> ClassLoader baseClassLoader = 
getLowestClassLoader(
+<a class="jxr_linenumber" name="L690" href="#L690">690</a>                 
contextClassLoader, thisClassLoader);
+<a class="jxr_linenumber" name="L691" href="#L691">691</a> 
+<a class="jxr_linenumber" name="L692" href="#L692">692</a>         <strong 
class="jxr_keyword">if</strong> (baseClassLoader == <strong 
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L693" href="#L693">693</a>            <em 
class="jxr_comment">// The two class loaders are not part of a parent child 
relationship.</em>
+<a class="jxr_linenumber" name="L694" href="#L694">694</a>            <em 
class="jxr_comment">// In some classloading setups (e.g. JBoss with its</em>
+<a class="jxr_linenumber" name="L695" href="#L695">695</a>            <em 
class="jxr_comment">// UnifiedLoaderRepository) this can still work, so if user 
hasn't</em>
+<a class="jxr_linenumber" name="L696" href="#L696">696</a>            <em 
class="jxr_comment">// forbidden it, just return the contextClassLoader.</em>
+<a class="jxr_linenumber" name="L697" href="#L697">697</a>            <strong 
class="jxr_keyword">if</strong> (!allowFlawedContext) {
+<a class="jxr_linenumber" name="L698" href="#L698">698</a>             <strong 
class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a 
name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(<span
 class="jxr_string">"Bad class loader hierarchy; LogFactoryImpl was loaded 
via"</span> +
+<a class="jxr_linenumber" name="L699" href="#L699">699</a>                     
                            <span class="jxr_string">" a class loader that is 
not related to the current context"</span> +
+<a class="jxr_linenumber" name="L700" href="#L700">700</a>                     
                            <span class="jxr_string">" class loader."</span>);
+<a class="jxr_linenumber" name="L701" href="#L701">701</a>            }
+<a class="jxr_linenumber" name="L702" href="#L702">702</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L703" href="#L703">703</a>                
logDiagnostic(<span class="jxr_string">"[WARNING] the context class loader is 
not part of a"</span> +
+<a class="jxr_linenumber" name="L704" href="#L704">704</a>                     
         <span class="jxr_string">" parent-child relationship with the class 
loader that"</span> +
+<a class="jxr_linenumber" name="L705" href="#L705">705</a>                     
         <span class="jxr_string">" loaded LogFactoryImpl."</span>);
+<a class="jxr_linenumber" name="L706" href="#L706">706</a>           }
+<a class="jxr_linenumber" name="L707" href="#L707">707</a>           <em 
class="jxr_comment">// If contextClassLoader were null, getLowestClassLoader() 
would</em>
+<a class="jxr_linenumber" name="L708" href="#L708">708</a>           <em 
class="jxr_comment">// have returned thisClassLoader.  The fact we are here 
means</em>
+<a class="jxr_linenumber" name="L709" href="#L709">709</a>           <em 
class="jxr_comment">// contextClassLoader is not null, so we can just return 
it.</em>
+<a class="jxr_linenumber" name="L710" href="#L710">710</a>           <strong 
class="jxr_keyword">return</strong> contextClassLoader;
+<a class="jxr_linenumber" name="L711" href="#L711">711</a>         }
+<a class="jxr_linenumber" name="L712" href="#L712">712</a> 
+<a class="jxr_linenumber" name="L713" href="#L713">713</a>         <strong 
class="jxr_keyword">if</strong> (baseClassLoader != contextClassLoader) {
+<a class="jxr_linenumber" name="L714" href="#L714">714</a>             <em 
class="jxr_comment">// We really should just use the contextClassLoader as the 
starting</em>
+<a class="jxr_linenumber" name="L715" href="#L715">715</a>             <em 
class="jxr_comment">// point for scanning for log adapter classes. However it 
is expected</em>
+<a class="jxr_linenumber" name="L716" href="#L716">716</a>             <em 
class="jxr_comment">// that there are a number of broken systems out there 
which create</em>
+<a class="jxr_linenumber" name="L717" href="#L717">717</a>             <em 
class="jxr_comment">// custom class loaders but fail to set the context class 
loader so</em>
+<a class="jxr_linenumber" name="L718" href="#L718">718</a>             <em 
class="jxr_comment">// we handle those flawed systems anyway.</em>
+<a class="jxr_linenumber" name="L719" href="#L719">719</a>             <strong 
class="jxr_keyword">if</strong> (!allowFlawedContext) {
+<a class="jxr_linenumber" name="L720" href="#L720">720</a>                 
<strong class="jxr_keyword">throw</strong> <strong 
class="jxr_keyword">new</strong> <a name="LogConfigurationException" 
href="../../../../../org/apache/commons/logging/LogConfigurationException.html#LogConfigurationException">LogConfigurationException</a>(
+<a class="jxr_linenumber" name="L721" href="#L721">721</a>                     
    <span class="jxr_string">"Bad class loader hierarchy; LogFactoryImpl was 
loaded via"</span> +
+<a class="jxr_linenumber" name="L722" href="#L722">722</a>                     
    <span class="jxr_string">" a class loader that is not related to the 
current context"</span> +
+<a class="jxr_linenumber" name="L723" href="#L723">723</a>                     
    <span class="jxr_string">" class loader."</span>);
+<a class="jxr_linenumber" name="L724" href="#L724">724</a>             }
+<a class="jxr_linenumber" name="L725" href="#L725">725</a>             <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L726" href="#L726">726</a>                 
logDiagnostic(
+<a class="jxr_linenumber" name="L727" href="#L727">727</a>                     
    <span class="jxr_string">"Warning: the context class loader is an ancestor 
of the"</span> +
+<a class="jxr_linenumber" name="L728" href="#L728">728</a>                     
    <span class="jxr_string">" class loader that loaded LogFactoryImpl; it 
should be"</span> +
+<a class="jxr_linenumber" name="L729" href="#L729">729</a>                     
    <span class="jxr_string">" the same or a descendant. The application 
using"</span> +
+<a class="jxr_linenumber" name="L730" href="#L730">730</a>                     
    <span class="jxr_string">" commons-logging should ensure the context class 
loader"</span> +
+<a class="jxr_linenumber" name="L731" href="#L731">731</a>                     
    <span class="jxr_string">" is used correctly."</span>);
+<a class="jxr_linenumber" name="L732" href="#L732">732</a>             }
+<a class="jxr_linenumber" name="L733" href="#L733">733</a>         }
+<a class="jxr_linenumber" name="L734" href="#L734">734</a> 
+<a class="jxr_linenumber" name="L735" href="#L735">735</a>         <strong 
class="jxr_keyword">return</strong> baseClassLoader;
+<a class="jxr_linenumber" name="L736" href="#L736">736</a>     }
+<a class="jxr_linenumber" name="L737" href="#L737">737</a> 
+<a class="jxr_linenumber" name="L738" href="#L738">738</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L739" href="#L739">739</a> <em 
class="jxr_javadoccomment">     * Gets the setting for the user-configurable 
behavior specified by key.</em>
+<a class="jxr_linenumber" name="L740" href="#L740">740</a> <em 
class="jxr_javadoccomment">     * If nothing has explicitly been set, then 
return dflt.</em>
+<a class="jxr_linenumber" name="L741" href="#L741">741</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L742" href="#L742">742</a>     <strong 
class="jxr_keyword">private</strong> <strong 
class="jxr_keyword">boolean</strong> getBooleanConfiguration(<strong 
class="jxr_keyword">final</strong> String key, <strong 
class="jxr_keyword">final</strong> <strong class="jxr_keyword">boolean</strong> 
dflt) {
+<a class="jxr_linenumber" name="L743" href="#L743">743</a>         <strong 
class="jxr_keyword">final</strong> String val = getConfigurationValue(key);
+<a class="jxr_linenumber" name="L744" href="#L744">744</a>         <strong 
class="jxr_keyword">if</strong> (val == <strong 
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L745" href="#L745">745</a>             <strong 
class="jxr_keyword">return</strong> dflt;
+<a class="jxr_linenumber" name="L746" href="#L746">746</a>         }
+<a class="jxr_linenumber" name="L747" href="#L747">747</a>         <strong 
class="jxr_keyword">return</strong> Boolean.parseBoolean(val);
+<a class="jxr_linenumber" name="L748" href="#L748">748</a>     }
+<a class="jxr_linenumber" name="L749" href="#L749">749</a> 
+<a class="jxr_linenumber" name="L750" href="#L750">750</a>     <em 
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L751" href="#L751">751</a> <em 
class="jxr_javadoccomment">     * Attempt to find an attribute (see method 
setAttribute) or a</em>
+<a class="jxr_linenumber" name="L752" href="#L752">752</a> <em 
class="jxr_javadoccomment">     * system property with the provided name and 
return its value.</em>
+<a class="jxr_linenumber" name="L753" href="#L753">753</a> <em 
class="jxr_javadoccomment">     * &lt;p&gt;</em>
+<a class="jxr_linenumber" name="L754" href="#L754">754</a> <em 
class="jxr_javadoccomment">     * The attributes associated with this object 
are checked before</em>
+<a class="jxr_linenumber" name="L755" href="#L755">755</a> <em 
class="jxr_javadoccomment">     * system properties in case someone has 
explicitly called setAttribute,</em>
+<a class="jxr_linenumber" name="L756" href="#L756">756</a> <em 
class="jxr_javadoccomment">     * or a configuration property has been set in a 
commons-logging.properties</em>
+<a class="jxr_linenumber" name="L757" href="#L757">757</a> <em 
class="jxr_javadoccomment">     * file.</em>
+<a class="jxr_linenumber" name="L758" href="#L758">758</a> <em 
class="jxr_javadoccomment">     *</em>
+<a class="jxr_linenumber" name="L759" href="#L759">759</a> <em 
class="jxr_javadoccomment">     * @return the value associated with the 
property, or null.</em>
+<a class="jxr_linenumber" name="L760" href="#L760">760</a> <em 
class="jxr_javadoccomment">     */</em>
+<a class="jxr_linenumber" name="L761" href="#L761">761</a>     <strong 
class="jxr_keyword">private</strong> String getConfigurationValue(<strong 
class="jxr_keyword">final</strong> String property) {
+<a class="jxr_linenumber" name="L762" href="#L762">762</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L763" href="#L763">763</a>             
logDiagnostic(<span class="jxr_string">"[ENV] Trying to get configuration for 
item "</span> + property);
+<a class="jxr_linenumber" name="L764" href="#L764">764</a>         }
+<a class="jxr_linenumber" name="L765" href="#L765">765</a> 
+<a class="jxr_linenumber" name="L766" href="#L766">766</a>         <strong 
class="jxr_keyword">final</strong> Object valueObj =  getAttribute(property);
+<a class="jxr_linenumber" name="L767" href="#L767">767</a>         <strong 
class="jxr_keyword">if</strong> (valueObj != <strong 
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L768" href="#L768">768</a>             <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L769" href="#L769">769</a>                 
logDiagnostic(<span class="jxr_string">"[ENV] Found LogFactory attribute 
["</span> + valueObj + <span class="jxr_string">"] for "</span> + property);
+<a class="jxr_linenumber" name="L770" href="#L770">770</a>             }
+<a class="jxr_linenumber" name="L771" href="#L771">771</a>             <strong 
class="jxr_keyword">return</strong> valueObj.toString();
+<a class="jxr_linenumber" name="L772" href="#L772">772</a>         }
+<a class="jxr_linenumber" name="L773" href="#L773">773</a> 
+<a class="jxr_linenumber" name="L774" href="#L774">774</a>         <strong 
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L775" href="#L775">775</a>             
logDiagnostic(<span class="jxr_string">"[ENV] No LogFactory attribute found for 
"</span> + property);
+<a class="jxr_linenumber" name="L776" href="#L776">776</a>         }
+<a class="jxr_linenumber" name="L777" href="#L777">777</a> 
+<a class="jxr_linenumber" name="L778" href="#L778">778</a>         <strong 
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L779" href="#L779">779</a>             <em 
class="jxr_comment">// warning: minor security hole here, in that we 
potentially read a system</em>
+<a class="jxr_linenumber" name="L780" href="#L780">780</a>             <em 
class="jxr_comment">// property that the caller cannot, then output it in 
readable form as a</em>

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