Modified:
websites/production/commons/content/proper/commons-logging/xref/org/apache/commons/logging/LogFactory.html
==============================================================================
---
websites/production/commons/content/proper/commons-logging/xref/org/apache/commons/logging/LogFactory.html
(original)
+++
websites/production/commons/content/proper/commons-logging/xref/org/apache/commons/logging/LogFactory.html
Mon Aug 19 13:54:51 2024
@@ -42,71 +42,71 @@
<a class="jxr_linenumber" name="L34" href="#L34">34</a> <strong
class="jxr_keyword">import</strong> java.util.Properties;
<a class="jxr_linenumber" name="L35" href="#L35">35</a> <strong
class="jxr_keyword">import</strong> java.util.ServiceConfigurationError;
<a class="jxr_linenumber" name="L36" href="#L36">36</a> <strong
class="jxr_keyword">import</strong> java.util.ServiceLoader;
-<a class="jxr_linenumber" name="L37" href="#L37">37</a>
-<a class="jxr_linenumber" name="L38" href="#L38">38</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em
class="jxr_javadoccomment"> * Factory for creating {@link Log} instances, with
discovery and</em>
-<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em
class="jxr_javadoccomment"> * configuration features similar to that employed
by standard Java APIs</em>
-<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em
class="jxr_javadoccomment"> * such as JAXP.</em>
-<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em
class="jxr_javadoccomment"> * <strong>IMPLEMENTATION NOTE</strong>
- This implementation is heavily</em>
-<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em
class="jxr_javadoccomment"> * based on the SAXParserFactory and
DocumentBuilderFactory implementations</em>
-<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em
class="jxr_javadoccomment"> * (corresponding to the JAXP pluggability APIs)
found in Apache Xerces.</em>
-<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em
class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L48" href="#L48">48</a> <strong
class="jxr_keyword">public</strong> <strong
class="jxr_keyword">abstract</strong> <strong
class="jxr_keyword">class</strong> <a name="LogFactory"
href="../../../../org/apache/commons/logging/LogFactory.html#LogFactory">LogFactory</a>
{
-<a class="jxr_linenumber" name="L49" href="#L49">49</a> <em
class="jxr_comment">// Implementation note re AccessController usage</em>
-<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em
class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em
class="jxr_comment">// It is important to keep code invoked via an
AccessController to small</em>
-<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em
class="jxr_comment">// auditable blocks. Such code must carefully evaluate all
user input</em>
-<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em
class="jxr_comment">// (parameters, system properties, configuration file
contents, etc). As an</em>
-<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em
class="jxr_comment">// example, a Log implementation should not write to its
log file</em>
-<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em
class="jxr_comment">// with an AccessController anywhere in the call stack,
otherwise an</em>
-<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em
class="jxr_comment">// insecure application could configure the log
implementation to write</em>
-<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em
class="jxr_comment">// to a protected file using the privileges granted to JCL
rather than</em>
-<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em
class="jxr_comment">// to the calling application.</em>
-<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em
class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em
class="jxr_comment">// Under no circumstance should a non-private method return
data that is</em>
-<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em
class="jxr_comment">// retrieved via an AccessController. That would allow an
insecure application</em>
-<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em
class="jxr_comment">// to invoke that method and obtain data that it is not
permitted to have.</em>
-<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em
class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em
class="jxr_comment">// Invoking user-supplied code with an AccessController set
is not a major</em>
-<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em
class="jxr_comment">// issue (for example, invoking the constructor of the
class specified by</em>
-<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em
class="jxr_comment">// HASHTABLE_IMPLEMENTATION_PROPERTY). That class will be
in a different</em>
-<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em
class="jxr_comment">// trust domain, and therefore must have permissions to do
whatever it</em>
-<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em
class="jxr_comment">// is trying to do regardless of the permissions granted to
JCL. There is</em>
-<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em
class="jxr_comment">// a slight issue in that untrusted code may point that
environment variable</em>
-<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em
class="jxr_comment">// to another trusted library, in which case the code runs
if both that</em>
-<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em
class="jxr_comment">// library and JCL have the necessary permissions even when
the untrusted</em>
-<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em
class="jxr_comment">// caller does not. That's a pretty hard route to exploit
though.</em>
-<a class="jxr_linenumber" name="L73" href="#L73">73</a>
-<a class="jxr_linenumber" name="L74" href="#L74">74</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em
class="jxr_javadoccomment"> * The name ({@code priority}) of the key in the
configuration file used to</em>
-<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em
class="jxr_javadoccomment"> * specify the priority of that particular
configuration file. The associated value</em>
-<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em
class="jxr_javadoccomment"> * is a floating-point number; higher values
take priority over lower values.</em>
-<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L79" href="#L79">79</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String PRIORITY_KEY = <span
class="jxr_string">"priority"</span>;
-<a class="jxr_linenumber" name="L80" href="#L80">80</a>
-<a class="jxr_linenumber" name="L81" href="#L81">81</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em
class="jxr_javadoccomment"> * The name ({@code use_tccl}) of the key in the
configuration file used</em>
-<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em
class="jxr_javadoccomment"> * to specify whether logging classes should be
loaded via the thread</em>
-<a class="jxr_linenumber" name="L84" href="#L84">84</a> <em
class="jxr_javadoccomment"> * context class loader (TCCL), or not. By
default, the TCCL is used.</em>
-<a class="jxr_linenumber" name="L85" href="#L85">85</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L86" href="#L86">86</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String TCCL_KEY = <span
class="jxr_string">"use_tccl"</span>;
-<a class="jxr_linenumber" name="L87" href="#L87">87</a>
-<a class="jxr_linenumber" name="L88" href="#L88">88</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em
class="jxr_javadoccomment"> * The name ({@code
org.apache.commons.logging.LogFactory}) of the property</em>
-<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em
class="jxr_javadoccomment"> * used to identify the LogFactory
implementation</em>
-<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em
class="jxr_javadoccomment"> * class name. This can be used as a system
property, or as an entry in a</em>
-<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em
class="jxr_javadoccomment"> * configuration properties file.</em>
-<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L94" href="#L94">94</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String FACTORY_PROPERTY = <span
class="jxr_string">"org.apache.commons.logging.LogFactory"</span>;
-<a class="jxr_linenumber" name="L95" href="#L95">95</a>
-<a class="jxr_linenumber" name="L96" href="#L96">96</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String FACTORY_LOG4J_API = <span
class="jxr_string">"org.apache.commons.logging.impl.Log4jApiLogFactory"</span>;
-<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String LOG4J_API_LOGGER = <span
class="jxr_string">"org.apache.logging.log4j.Logger"</span>;
-<a class="jxr_linenumber" name="L98" href="#L98">98</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String LOG4J_TO_SLF4J_BRIDGE = <span
class="jxr_string">"org.apache.logging.slf4j.SLF4JProvider"</span>;
-<a class="jxr_linenumber" name="L99" href="#L99">99</a>
-<a class="jxr_linenumber" name="L100" href="#L100">100</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String FACTORY_SLF4J = <span
class="jxr_string">"org.apache.commons.logging.impl.Slf4jLogFactory"</span>;
-<a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String SLF4J_API_LOGGER = <span class="jxr_string">"org.slf4j.Logger"</span>;
+<a class="jxr_linenumber" name="L37" href="#L37">37</a> <strong
class="jxr_keyword">import</strong> java.util.function.Supplier;
+<a class="jxr_linenumber" name="L38" href="#L38">38</a>
+<a class="jxr_linenumber" name="L39" href="#L39">39</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L40" href="#L40">40</a> <em
class="jxr_javadoccomment"> * Factory for creating {@link Log} instances, with
discovery and</em>
+<a class="jxr_linenumber" name="L41" href="#L41">41</a> <em
class="jxr_javadoccomment"> * configuration features similar to that employed
by standard Java APIs</em>
+<a class="jxr_linenumber" name="L42" href="#L42">42</a> <em
class="jxr_javadoccomment"> * such as JAXP.</em>
+<a class="jxr_linenumber" name="L43" href="#L43">43</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L44" href="#L44">44</a> <em
class="jxr_javadoccomment"> * <strong>IMPLEMENTATION NOTE</strong>
- This implementation is heavily</em>
+<a class="jxr_linenumber" name="L45" href="#L45">45</a> <em
class="jxr_javadoccomment"> * based on the SAXParserFactory and
DocumentBuilderFactory implementations</em>
+<a class="jxr_linenumber" name="L46" href="#L46">46</a> <em
class="jxr_javadoccomment"> * (corresponding to the JAXP pluggability APIs)
found in Apache Xerces.</em>
+<a class="jxr_linenumber" name="L47" href="#L47">47</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L48" href="#L48">48</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L49" href="#L49">49</a> <strong
class="jxr_keyword">public</strong> <strong
class="jxr_keyword">abstract</strong> <strong
class="jxr_keyword">class</strong> <a name="LogFactory"
href="../../../../org/apache/commons/logging/LogFactory.html#LogFactory">LogFactory</a>
{
+<a class="jxr_linenumber" name="L50" href="#L50">50</a> <em
class="jxr_comment">// Implementation note re AccessController usage</em>
+<a class="jxr_linenumber" name="L51" href="#L51">51</a> <em
class="jxr_comment">//</em>
+<a class="jxr_linenumber" name="L52" href="#L52">52</a> <em
class="jxr_comment">// It is important to keep code invoked via an
AccessController to small</em>
+<a class="jxr_linenumber" name="L53" href="#L53">53</a> <em
class="jxr_comment">// auditable blocks. Such code must carefully evaluate all
user input</em>
+<a class="jxr_linenumber" name="L54" href="#L54">54</a> <em
class="jxr_comment">// (parameters, system properties, configuration file
contents, etc). As an</em>
+<a class="jxr_linenumber" name="L55" href="#L55">55</a> <em
class="jxr_comment">// example, a Log implementation should not write to its
log file</em>
+<a class="jxr_linenumber" name="L56" href="#L56">56</a> <em
class="jxr_comment">// with an AccessController anywhere in the call stack,
otherwise an</em>
+<a class="jxr_linenumber" name="L57" href="#L57">57</a> <em
class="jxr_comment">// insecure application could configure the log
implementation to write</em>
+<a class="jxr_linenumber" name="L58" href="#L58">58</a> <em
class="jxr_comment">// to a protected file using the privileges granted to JCL
rather than</em>
+<a class="jxr_linenumber" name="L59" href="#L59">59</a> <em
class="jxr_comment">// to the calling application.</em>
+<a class="jxr_linenumber" name="L60" href="#L60">60</a> <em
class="jxr_comment">//</em>
+<a class="jxr_linenumber" name="L61" href="#L61">61</a> <em
class="jxr_comment">// Under no circumstance should a non-private method return
data that is</em>
+<a class="jxr_linenumber" name="L62" href="#L62">62</a> <em
class="jxr_comment">// retrieved via an AccessController. That would allow an
insecure application</em>
+<a class="jxr_linenumber" name="L63" href="#L63">63</a> <em
class="jxr_comment">// to invoke that method and obtain data that it is not
permitted to have.</em>
+<a class="jxr_linenumber" name="L64" href="#L64">64</a> <em
class="jxr_comment">//</em>
+<a class="jxr_linenumber" name="L65" href="#L65">65</a> <em
class="jxr_comment">// Invoking user-supplied code with an AccessController set
is not a major</em>
+<a class="jxr_linenumber" name="L66" href="#L66">66</a> <em
class="jxr_comment">// issue (for example, invoking the constructor of the
class specified by</em>
+<a class="jxr_linenumber" name="L67" href="#L67">67</a> <em
class="jxr_comment">// HASHTABLE_IMPLEMENTATION_PROPERTY). That class will be
in a different</em>
+<a class="jxr_linenumber" name="L68" href="#L68">68</a> <em
class="jxr_comment">// trust domain, and therefore must have permissions to do
whatever it</em>
+<a class="jxr_linenumber" name="L69" href="#L69">69</a> <em
class="jxr_comment">// is trying to do regardless of the permissions granted to
JCL. There is</em>
+<a class="jxr_linenumber" name="L70" href="#L70">70</a> <em
class="jxr_comment">// a slight issue in that untrusted code may point that
environment variable</em>
+<a class="jxr_linenumber" name="L71" href="#L71">71</a> <em
class="jxr_comment">// to another trusted library, in which case the code runs
if both that</em>
+<a class="jxr_linenumber" name="L72" href="#L72">72</a> <em
class="jxr_comment">// library and JCL have the necessary permissions even when
the untrusted</em>
+<a class="jxr_linenumber" name="L73" href="#L73">73</a> <em
class="jxr_comment">// caller does not. That's a pretty hard route to exploit
though.</em>
+<a class="jxr_linenumber" name="L74" href="#L74">74</a>
+<a class="jxr_linenumber" name="L75" href="#L75">75</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L76" href="#L76">76</a> <em
class="jxr_javadoccomment"> * The name ({@code priority}) of the key in the
configuration file used to</em>
+<a class="jxr_linenumber" name="L77" href="#L77">77</a> <em
class="jxr_javadoccomment"> * specify the priority of that particular
configuration file. The associated value</em>
+<a class="jxr_linenumber" name="L78" href="#L78">78</a> <em
class="jxr_javadoccomment"> * is a floating-point number; higher values
take priority over lower values.</em>
+<a class="jxr_linenumber" name="L79" href="#L79">79</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L80" href="#L80">80</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String PRIORITY_KEY = <span
class="jxr_string">"priority"</span>;
+<a class="jxr_linenumber" name="L81" href="#L81">81</a>
+<a class="jxr_linenumber" name="L82" href="#L82">82</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L83" href="#L83">83</a> <em
class="jxr_javadoccomment"> * The name ({@code use_tccl}) of the key in the
configuration file used</em>
+<a class="jxr_linenumber" name="L84" href="#L84">84</a> <em
class="jxr_javadoccomment"> * to specify whether logging classes should be
loaded via the thread</em>
+<a class="jxr_linenumber" name="L85" href="#L85">85</a> <em
class="jxr_javadoccomment"> * context class loader (TCCL), or not. By
default, the TCCL is used.</em>
+<a class="jxr_linenumber" name="L86" href="#L86">86</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L87" href="#L87">87</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String TCCL_KEY = <span
class="jxr_string">"use_tccl"</span>;
+<a class="jxr_linenumber" name="L88" href="#L88">88</a>
+<a class="jxr_linenumber" name="L89" href="#L89">89</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L90" href="#L90">90</a> <em
class="jxr_javadoccomment"> * The name ({@code
org.apache.commons.logging.LogFactory}) of the property</em>
+<a class="jxr_linenumber" name="L91" href="#L91">91</a> <em
class="jxr_javadoccomment"> * used to identify the LogFactory
implementation</em>
+<a class="jxr_linenumber" name="L92" href="#L92">92</a> <em
class="jxr_javadoccomment"> * class name. This can be used as a system
property, or as an entry in a</em>
+<a class="jxr_linenumber" name="L93" href="#L93">93</a> <em
class="jxr_javadoccomment"> * configuration properties file.</em>
+<a class="jxr_linenumber" name="L94" href="#L94">94</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L95" href="#L95">95</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String FACTORY_PROPERTY = <span
class="jxr_string">"org.apache.commons.logging.LogFactory"</span>;
+<a class="jxr_linenumber" name="L96" href="#L96">96</a>
+<a class="jxr_linenumber" name="L97" href="#L97">97</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String FACTORY_LOG4J_API = <span
class="jxr_string">"org.apache.commons.logging.impl.Log4jApiLogFactory"</span>;
+<a class="jxr_linenumber" name="L98" href="#L98">98</a>
+<a class="jxr_linenumber" name="L99" href="#L99">99</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String LOG4J_TO_SLF4J_BRIDGE = <span
class="jxr_string">"org.apache.logging.slf4j.SLF4JProvider"</span>;
+<a class="jxr_linenumber" name="L100" href="#L100">100</a>
+<a class="jxr_linenumber" name="L101" href="#L101">101</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String FACTORY_SLF4J = <span
class="jxr_string">"org.apache.commons.logging.impl.Slf4jLogFactory"</span>;
<a class="jxr_linenumber" name="L102" href="#L102">102</a>
<a class="jxr_linenumber" name="L103" href="#L103">103</a> <em
class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="L104" href="#L104">104</a> <em
class="jxr_javadoccomment"> * The fully qualified class name of the
fallback {@code LogFactory}</em>
@@ -123,1529 +123,1497 @@
<a class="jxr_linenumber" name="L115" href="#L115">115</a> <em
class="jxr_javadoccomment"> * JDK 1.3+ <a href="<a
href="https://java.sun.com/j2se/1.3/docs/guide/jar/jar.html";
target="alexandria_uri">https://java.sun.com/j2se/1.3/docs/guide/jar/jar.html</a>#Service%20Provider"></em>
<a class="jxr_linenumber" name="L116" href="#L116">116</a> <em
class="jxr_javadoccomment"> * 'Service Provider'
specification</a>.</em>
<a class="jxr_linenumber" name="L117" href="#L117">117</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L118" href="#L118">118</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String SERVICE_ID =
-<a class="jxr_linenumber" name="L119" href="#L119">119</a> <span
class="jxr_string">"META-INF/services/org.apache.commons.logging.LogFactory"</span>;
-<a class="jxr_linenumber" name="L120" href="#L120">120</a>
-<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em
class="jxr_javadoccomment"> * The name ({@code
org.apache.commons.logging.diagnostics.dest})</em>
-<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em
class="jxr_javadoccomment"> * of the property used to enable internal
commons-logging</em>
-<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em
class="jxr_javadoccomment"> * diagnostic output, in order to get
information on what logging</em>
-<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em
class="jxr_javadoccomment"> * implementations are being discovered, what
class loaders they</em>
-<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em
class="jxr_javadoccomment"> * are loaded through, etc.</em>
-<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em
class="jxr_javadoccomment"> * If a system property of this name is set then
the value is</em>
-<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em
class="jxr_javadoccomment"> * assumed to be the name of a file. The special
strings</em>
-<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em
class="jxr_javadoccomment"> * STDOUT or STDERR (case-sensitive) indicate
output to</em>
-<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em
class="jxr_javadoccomment"> * System.out and System.err respectively.</em>
-<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em
class="jxr_javadoccomment"> * Diagnostic logging should be used only to
debug problematic</em>
-<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em
class="jxr_javadoccomment"> * configurations and should not be set in
normal production use.</em>
-<a class="jxr_linenumber" name="L135" href="#L135">135</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L136" href="#L136">136</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String DIAGNOSTICS_DEST_PROPERTY =
-<a class="jxr_linenumber" name="L137" href="#L137">137</a> <span
class="jxr_string">"org.apache.commons.logging.diagnostics.dest"</span>;
-<a class="jxr_linenumber" name="L138" href="#L138">138</a>
-<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em
class="jxr_javadoccomment"> * When null (the usual case), no diagnostic
output will be</em>
-<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em
class="jxr_javadoccomment"> * generated by LogFactory or LogFactoryImpl.
When non-null,</em>
-<a class="jxr_linenumber" name="L142" href="#L142">142</a> <em
class="jxr_javadoccomment"> * interesting events will be written to the
specified object.</em>
-<a class="jxr_linenumber" name="L143" href="#L143">143</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L144" href="#L144">144</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
PrintStream DIAGNOSTICS_STREAM;
-<a class="jxr_linenumber" name="L145" href="#L145">145</a>
-<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em
class="jxr_javadoccomment"> * A string that gets prefixed to every message
output by the</em>
-<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em
class="jxr_javadoccomment"> * logDiagnostic method, so that users can
clearly see which</em>
-<a class="jxr_linenumber" name="L149" href="#L149">149</a> <em
class="jxr_javadoccomment"> * LogFactory class is generating the
output.</em>
-<a class="jxr_linenumber" name="L150" href="#L150">150</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L151" href="#L151">151</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String diagnosticPrefix;
-<a class="jxr_linenumber" name="L152" href="#L152">152</a>
-<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em
class="jxr_javadoccomment"> * Setting this system property</em>
-<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em
class="jxr_javadoccomment"> * ({@code
org.apache.commons.logging.LogFactory.HashtableImpl})</em>
-<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em
class="jxr_javadoccomment"> * value allows the {@code Hashtable} used to
store</em>
-<a class="jxr_linenumber" name="L157" href="#L157">157</a> <em
class="jxr_javadoccomment"> * class loaders to be substituted by an
alternative implementation.</em>
-<a class="jxr_linenumber" name="L158" href="#L158">158</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em
class="jxr_javadoccomment"> * <strong>Note:</strong> {@code
LogFactory} will print:</em>
-<a class="jxr_linenumber" name="L160" href="#L160">160</a> <em
class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L161" href="#L161">161</a> <em
class="jxr_javadoccomment"> * <pre></em>
-<a class="jxr_linenumber" name="L162" href="#L162">162</a> <em
class="jxr_javadoccomment"> * [ERROR] LogFactory: Load of custom hashtable
failed</em>
-<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em
class="jxr_javadoccomment"> * </pre></em>
-<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em
class="jxr_javadoccomment"> * to system error and then continue using a
standard Hashtable.</em>
-<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em
class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em
class="jxr_javadoccomment"> * <strong>Usage:</strong> Set this
property when Java is invoked</em>
-<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em
class="jxr_javadoccomment"> * and {@code LogFactory} will attempt to load a
new instance</em>
-<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em
class="jxr_javadoccomment"> * of the given implementation class.</em>
-<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em
class="jxr_javadoccomment"> * For example, running the following ant
scriplet:</em>
-<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em
class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em
class="jxr_javadoccomment"> * <pre></em>
-<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em
class="jxr_javadoccomment"> * &lt;java classname="${test.runner}"
fork="yes" failonerror="${test.failonerror}"&gt;</em>
-<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em
class="jxr_javadoccomment"> * ...</em>
-<a class="jxr_linenumber" name="L176" href="#L176">176</a> <em
class="jxr_javadoccomment"> * &lt;sysproperty</em>
-<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em
class="jxr_javadoccomment"> *
key="org.apache.commons.logging.LogFactory.HashtableImpl"</em>
-<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em
class="jxr_javadoccomment"> *
value="org.apache.commons.logging.AltHashtable"/&gt;</em>
-<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em
class="jxr_javadoccomment"> * &lt;/java&gt;</em>
-<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em
class="jxr_javadoccomment"> * </pre></em>
-<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L182" href="#L182">182</a> <em
class="jxr_javadoccomment"> * will mean that {@code LogFactory} will load
an instance of</em>
-<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em
class="jxr_javadoccomment"> * {@code
org.apache.commons.logging.AltHashtable}.</em>
-<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em
class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em
class="jxr_javadoccomment"> * <p></em>
-<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em
class="jxr_javadoccomment"> * A typical use case is to allow a custom</em>
-<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em
class="jxr_javadoccomment"> * Hashtable implementation using weak
references to be substituted.</em>
-<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em
class="jxr_javadoccomment"> * This will allow class loaders to be garbage
collected without</em>
-<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em
class="jxr_javadoccomment"> * the need to release them (on 1.3+ JVMs only,
of course ;).</em>
-<a class="jxr_linenumber" name="L190" href="#L190">190</a> <em
class="jxr_javadoccomment"> * </p></em>
-<a class="jxr_linenumber" name="L191" href="#L191">191</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L192" href="#L192">192</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String
HASHTABLE_IMPLEMENTATION_PROPERTY =
-<a class="jxr_linenumber" name="L193" href="#L193">193</a> <span
class="jxr_string">"org.apache.commons.logging.LogFactory.HashtableImpl"</span>;
+<a class="jxr_linenumber" name="L118" href="#L118">118</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String SERVICE_ID = <span
class="jxr_string">"META-INF/services/org.apache.commons.logging.LogFactory"</span>;
+<a class="jxr_linenumber" name="L119" href="#L119">119</a>
+<a class="jxr_linenumber" name="L120" href="#L120">120</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L121" href="#L121">121</a> <em
class="jxr_javadoccomment"> * The name ({@code
org.apache.commons.logging.diagnostics.dest})</em>
+<a class="jxr_linenumber" name="L122" href="#L122">122</a> <em
class="jxr_javadoccomment"> * of the property used to enable internal
commons-logging</em>
+<a class="jxr_linenumber" name="L123" href="#L123">123</a> <em
class="jxr_javadoccomment"> * diagnostic output, in order to get
information on what logging</em>
+<a class="jxr_linenumber" name="L124" href="#L124">124</a> <em
class="jxr_javadoccomment"> * implementations are being discovered, what
class loaders they</em>
+<a class="jxr_linenumber" name="L125" href="#L125">125</a> <em
class="jxr_javadoccomment"> * are loaded through, etc.</em>
+<a class="jxr_linenumber" name="L126" href="#L126">126</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L127" href="#L127">127</a> <em
class="jxr_javadoccomment"> * If a system property of this name is set then
the value is</em>
+<a class="jxr_linenumber" name="L128" href="#L128">128</a> <em
class="jxr_javadoccomment"> * assumed to be the name of a file. The special
strings</em>
+<a class="jxr_linenumber" name="L129" href="#L129">129</a> <em
class="jxr_javadoccomment"> * STDOUT or STDERR (case-sensitive) indicate
output to</em>
+<a class="jxr_linenumber" name="L130" href="#L130">130</a> <em
class="jxr_javadoccomment"> * System.out and System.err respectively.</em>
+<a class="jxr_linenumber" name="L131" href="#L131">131</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L132" href="#L132">132</a> <em
class="jxr_javadoccomment"> * Diagnostic logging should be used only to
debug problematic</em>
+<a class="jxr_linenumber" name="L133" href="#L133">133</a> <em
class="jxr_javadoccomment"> * configurations and should not be set in
normal production use.</em>
+<a class="jxr_linenumber" name="L134" href="#L134">134</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L135" href="#L135">135</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String DIAGNOSTICS_DEST_PROPERTY =
<span class="jxr_string">"org.apache.commons.logging.diagnostics.dest"</span>;
+<a class="jxr_linenumber" name="L136" href="#L136">136</a>
+<a class="jxr_linenumber" name="L137" href="#L137">137</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L138" href="#L138">138</a> <em
class="jxr_javadoccomment"> * When null (the usual case), no diagnostic
output will be</em>
+<a class="jxr_linenumber" name="L139" href="#L139">139</a> <em
class="jxr_javadoccomment"> * generated by LogFactory or LogFactoryImpl.
When non-null,</em>
+<a class="jxr_linenumber" name="L140" href="#L140">140</a> <em
class="jxr_javadoccomment"> * interesting events will be written to the
specified object.</em>
+<a class="jxr_linenumber" name="L141" href="#L141">141</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L142" href="#L142">142</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
PrintStream DIAGNOSTICS_STREAM;
+<a class="jxr_linenumber" name="L143" href="#L143">143</a>
+<a class="jxr_linenumber" name="L144" href="#L144">144</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L145" href="#L145">145</a> <em
class="jxr_javadoccomment"> * A string that gets prefixed to every message
output by the</em>
+<a class="jxr_linenumber" name="L146" href="#L146">146</a> <em
class="jxr_javadoccomment"> * logDiagnostic method, so that users can
clearly see which</em>
+<a class="jxr_linenumber" name="L147" href="#L147">147</a> <em
class="jxr_javadoccomment"> * LogFactory class is generating the
output.</em>
+<a class="jxr_linenumber" name="L148" href="#L148">148</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L149" href="#L149">149</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String DIAGNOSTICS_PREFIX;
+<a class="jxr_linenumber" name="L150" href="#L150">150</a>
+<a class="jxr_linenumber" name="L151" href="#L151">151</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L152" href="#L152">152</a> <em
class="jxr_javadoccomment"> * Setting this system property</em>
+<a class="jxr_linenumber" name="L153" href="#L153">153</a> <em
class="jxr_javadoccomment"> * ({@code
org.apache.commons.logging.LogFactory.HashtableImpl})</em>
+<a class="jxr_linenumber" name="L154" href="#L154">154</a> <em
class="jxr_javadoccomment"> * value allows the {@code Hashtable} used to
store</em>
+<a class="jxr_linenumber" name="L155" href="#L155">155</a> <em
class="jxr_javadoccomment"> * class loaders to be substituted by an
alternative implementation.</em>
+<a class="jxr_linenumber" name="L156" href="#L156">156</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L157" href="#L157">157</a> <em
class="jxr_javadoccomment"> * <strong>Note:</strong> {@code
LogFactory} will print:</em>
+<a class="jxr_linenumber" name="L158" href="#L158">158</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L159" href="#L159">159</a> <em
class="jxr_javadoccomment"> * <pre></em>
+<a class="jxr_linenumber" name="L160" href="#L160">160</a> <em
class="jxr_javadoccomment"> * [ERROR] LogFactory: Load of custom hash table
failed</em>
+<a class="jxr_linenumber" name="L161" href="#L161">161</a> <em
class="jxr_javadoccomment"> * </pre></em>
+<a class="jxr_linenumber" name="L162" href="#L162">162</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L163" href="#L163">163</a> <em
class="jxr_javadoccomment"> * to system error and then continue using a
standard Hashtable.</em>
+<a class="jxr_linenumber" name="L164" href="#L164">164</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L165" href="#L165">165</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L166" href="#L166">166</a> <em
class="jxr_javadoccomment"> * <strong>Usage:</strong> Set this
property when Java is invoked</em>
+<a class="jxr_linenumber" name="L167" href="#L167">167</a> <em
class="jxr_javadoccomment"> * and {@code LogFactory} will attempt to load a
new instance</em>
+<a class="jxr_linenumber" name="L168" href="#L168">168</a> <em
class="jxr_javadoccomment"> * of the given implementation class.</em>
+<a class="jxr_linenumber" name="L169" href="#L169">169</a> <em
class="jxr_javadoccomment"> * For example, running the following ant
scriplet:</em>
+<a class="jxr_linenumber" name="L170" href="#L170">170</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L171" href="#L171">171</a> <em
class="jxr_javadoccomment"> * <pre></em>
+<a class="jxr_linenumber" name="L172" href="#L172">172</a> <em
class="jxr_javadoccomment"> * &lt;java classname="${test.runner}"
fork="yes" failonerror="${test.failonerror}"&gt;</em>
+<a class="jxr_linenumber" name="L173" href="#L173">173</a> <em
class="jxr_javadoccomment"> * ...</em>
+<a class="jxr_linenumber" name="L174" href="#L174">174</a> <em
class="jxr_javadoccomment"> * &lt;sysproperty</em>
+<a class="jxr_linenumber" name="L175" href="#L175">175</a> <em
class="jxr_javadoccomment"> *
key="org.apache.commons.logging.LogFactory.HashtableImpl"</em>
+<a class="jxr_linenumber" name="L176" href="#L176">176</a> <em
class="jxr_javadoccomment"> *
value="org.apache.commons.logging.AltHashtable"/&gt;</em>
+<a class="jxr_linenumber" name="L177" href="#L177">177</a> <em
class="jxr_javadoccomment"> * &lt;/java&gt;</em>
+<a class="jxr_linenumber" name="L178" href="#L178">178</a> <em
class="jxr_javadoccomment"> * </pre></em>
+<a class="jxr_linenumber" name="L179" href="#L179">179</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L180" href="#L180">180</a> <em
class="jxr_javadoccomment"> * will mean that {@code LogFactory} will load
an instance of</em>
+<a class="jxr_linenumber" name="L181" href="#L181">181</a> <em
class="jxr_javadoccomment"> * {@code
org.apache.commons.logging.AltHashtable}.</em>
+<a class="jxr_linenumber" name="L182" href="#L182">182</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L183" href="#L183">183</a> <em
class="jxr_javadoccomment"> * <p></em>
+<a class="jxr_linenumber" name="L184" href="#L184">184</a> <em
class="jxr_javadoccomment"> * A typical use case is to allow a custom</em>
+<a class="jxr_linenumber" name="L185" href="#L185">185</a> <em
class="jxr_javadoccomment"> * Hashtable implementation using weak
references to be substituted.</em>
+<a class="jxr_linenumber" name="L186" href="#L186">186</a> <em
class="jxr_javadoccomment"> * This will allow class loaders to be garbage
collected without</em>
+<a class="jxr_linenumber" name="L187" href="#L187">187</a> <em
class="jxr_javadoccomment"> * the need to release them (on 1.3+ JVMs only,
of course ;).</em>
+<a class="jxr_linenumber" name="L188" href="#L188">188</a> <em
class="jxr_javadoccomment"> * </p></em>
+<a class="jxr_linenumber" name="L189" href="#L189">189</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L190" href="#L190">190</a> <strong
class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong>
<strong class="jxr_keyword">final</strong> String
HASHTABLE_IMPLEMENTATION_PROPERTY = <span
class="jxr_string">"org.apache.commons.logging.LogFactory.HashtableImpl"</span>;
+<a class="jxr_linenumber" name="L191" href="#L191">191</a>
+<a class="jxr_linenumber" name="L192" href="#L192">192</a> <em
class="jxr_javadoccomment">/** Name used to load the weak hash table
implementation by names. */</em>
+<a class="jxr_linenumber" name="L193" href="#L193">193</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String WEAK_HASHTABLE_CLASSNAME = <span
class="jxr_string">"org.apache.commons.logging.impl.WeakHashtable"</span>;
<a class="jxr_linenumber" name="L194" href="#L194">194</a>
-<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em
class="jxr_javadoccomment">/** Name used to load the weak hashtable
implementation by names. */</em>
-<a class="jxr_linenumber" name="L196" href="#L196">196</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
String WEAK_HASHTABLE_CLASSNAME =
-<a class="jxr_linenumber" name="L197" href="#L197">197</a> <span
class="jxr_string">"org.apache.commons.logging.impl.WeakHashtable"</span>;
-<a class="jxr_linenumber" name="L198" href="#L198">198</a>
-<a class="jxr_linenumber" name="L199" href="#L199">199</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L200" href="#L200">200</a> <em
class="jxr_javadoccomment"> * A reference to the class loader that loaded
this class. This is the</em>
-<a class="jxr_linenumber" name="L201" href="#L201">201</a> <em
class="jxr_javadoccomment"> * same as LogFactory.class.getClassLoader().
However computing this</em>
-<a class="jxr_linenumber" name="L202" href="#L202">202</a> <em
class="jxr_javadoccomment"> * value isn't quite as simple as that, as we
potentially need to use</em>
-<a class="jxr_linenumber" name="L203" href="#L203">203</a> <em
class="jxr_javadoccomment"> * AccessControllers etc. It's more efficient to
compute it once and</em>
-<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em
class="jxr_javadoccomment"> * cache it here.</em>
-<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L206" href="#L206">206</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
WeakReference<ClassLoader> thisClassLoaderRef;
-<a class="jxr_linenumber" name="L207" href="#L207">207</a>
-<a class="jxr_linenumber" name="L208" href="#L208">208</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L209" href="#L209">209</a> <em
class="jxr_javadoccomment"> * Maximum number of {@link ServiceLoader}
errors to ignore, while</em>
-<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em
class="jxr_javadoccomment"> * looking for an implementation.</em>
-<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L212" href="#L212">212</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> MAX_BROKEN_SERVICES = 3;
-<a class="jxr_linenumber" name="L213" href="#L213">213</a>
-<a class="jxr_linenumber" name="L214" href="#L214">214</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L215" href="#L215">215</a> <em
class="jxr_javadoccomment"> * The previously constructed {@code LogFactory}
instances, keyed by</em>
-<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em
class="jxr_javadoccomment"> * the {@code ClassLoader} with which it was
created.</em>
-<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L218" href="#L218">218</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> Hashtable<ClassLoader, LogFactory>
factories;
-<a class="jxr_linenumber" name="L219" href="#L219">219</a>
-<a class="jxr_linenumber" name="L220" href="#L220">220</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L221" href="#L221">221</a> <em
class="jxr_javadoccomment"> * Previously constructed {@code LogFactory}
instance as in the</em>
-<a class="jxr_linenumber" name="L222" href="#L222">222</a> <em
class="jxr_javadoccomment"> * {@code factories} map, but for the case
where</em>
-<a class="jxr_linenumber" name="L223" href="#L223">223</a> <em
class="jxr_javadoccomment"> * {@code getClassLoader} returns {@code
null}.</em>
-<a class="jxr_linenumber" name="L224" href="#L224">224</a> <em
class="jxr_javadoccomment"> * This can happen when:</em>
-<a class="jxr_linenumber" name="L225" href="#L225">225</a> <em
class="jxr_javadoccomment"> * <ul></em>
-<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em
class="jxr_javadoccomment"> * <li>using JDK1.1 and the calling code
is loaded via the system</em>
-<a class="jxr_linenumber" name="L227" href="#L227">227</a> <em
class="jxr_javadoccomment"> * class loader (very common)</li></em>
-<a class="jxr_linenumber" name="L228" href="#L228">228</a> <em
class="jxr_javadoccomment"> * <li>using JDK1.2+ and the calling code
is loaded via the boot</em>
-<a class="jxr_linenumber" name="L229" href="#L229">229</a> <em
class="jxr_javadoccomment"> * class loader (only likely for embedded
systems work).</li></em>
-<a class="jxr_linenumber" name="L230" href="#L230">230</a> <em
class="jxr_javadoccomment"> * </ul></em>
-<a class="jxr_linenumber" name="L231" href="#L231">231</a> <em
class="jxr_javadoccomment"> * Note that {@code factories} is a
<i>Hashtable</i> (not a HashMap),</em>
-<a class="jxr_linenumber" name="L232" href="#L232">232</a> <em
class="jxr_javadoccomment"> * and hashtables don't allow null as a key.</em>
-<a class="jxr_linenumber" name="L233" href="#L233">233</a> <em
class="jxr_javadoccomment"> * @deprecated since 1.1.2</em>
-<a class="jxr_linenumber" name="L234" href="#L234">234</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L235" href="#L235">235</a> @Deprecated
-<a class="jxr_linenumber" name="L236" href="#L236">236</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> <strong
class="jxr_keyword">volatile</strong> <a name="LogFactory"
href="../../../../org/apache/commons/logging/LogFactory.html#LogFactory">LogFactory</a>
nullClassLoaderFactory;
-<a class="jxr_linenumber" name="L237" href="#L237">237</a>
-<a class="jxr_linenumber" name="L238" href="#L238">238</a> <strong
class="jxr_keyword">static</strong> {
-<a class="jxr_linenumber" name="L239" href="#L239">239</a> <em
class="jxr_comment">// note: it's safe to call methods before initDiagnostics
(though</em>
-<a class="jxr_linenumber" name="L240" href="#L240">240</a> <em
class="jxr_comment">// diagnostic output gets discarded).</em>
-<a class="jxr_linenumber" name="L241" href="#L241">241</a> <strong
class="jxr_keyword">final</strong> ClassLoader thisClassLoader =
getClassLoader(LogFactory.<strong class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="L242" href="#L242">242</a>
thisClassLoaderRef = <strong class="jxr_keyword">new</strong>
WeakReference<>(thisClassLoader);
-<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em
class="jxr_comment">// In order to avoid confusion where multiple instances of
JCL are</em>
-<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em
class="jxr_comment">// being used via different class loaders within the same
app, we</em>
-<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em
class="jxr_comment">// ensure each logged message has a prefix of form</em>
-<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em
class="jxr_comment">// [LogFactory from class loader OID]</em>
-<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em
class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L248" href="#L248">248</a> <em
class="jxr_comment">// Note that this prefix should be kept consistent with
that</em>
-<a class="jxr_linenumber" name="L249" href="#L249">249</a> <em
class="jxr_comment">// in LogFactoryImpl. However here we don't need to output
info</em>
-<a class="jxr_linenumber" name="L250" href="#L250">250</a> <em
class="jxr_comment">// about the actual *instance* of LogFactory, as all
methods that</em>
-<a class="jxr_linenumber" name="L251" href="#L251">251</a> <em
class="jxr_comment">// output diagnostics from this class are static.</em>
-<a class="jxr_linenumber" name="L252" href="#L252">252</a> String
classLoaderName;
-<a class="jxr_linenumber" name="L253" href="#L253">253</a> <strong
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L254" href="#L254">254</a> <strong
class="jxr_keyword">if</strong> (thisClassLoader == <strong
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L255" href="#L255">255</a>
classLoaderName = <span class="jxr_string">"BOOTLOADER"</span>;
-<a class="jxr_linenumber" name="L256" href="#L256">256</a> }
<strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L257" href="#L257">257</a>
classLoaderName = objectId(thisClassLoader);
-<a class="jxr_linenumber" name="L258" href="#L258">258</a> }
-<a class="jxr_linenumber" name="L259" href="#L259">259</a> } <strong
class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong>
SecurityException e) {
-<a class="jxr_linenumber" name="L260" href="#L260">260</a>
classLoaderName = <span class="jxr_string">"UNKNOWN"</span>;
-<a class="jxr_linenumber" name="L261" href="#L261">261</a> }
-<a class="jxr_linenumber" name="L262" href="#L262">262</a>
diagnosticPrefix = <span class="jxr_string">"[LogFactory from "</span> +
classLoaderName + <span class="jxr_string">"] "</span>;
-<a class="jxr_linenumber" name="L263" href="#L263">263</a>
DIAGNOSTICS_STREAM = initDiagnostics();
-<a class="jxr_linenumber" name="L264" href="#L264">264</a>
logClassLoaderEnvironment(LogFactory.<strong
class="jxr_keyword">class</strong>);
-<a class="jxr_linenumber" name="L265" href="#L265">265</a> factories =
createFactoryStore();
-<a class="jxr_linenumber" name="L266" href="#L266">266</a> <strong
class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L267" href="#L267">267</a>
logDiagnostic(<span class="jxr_string">"BOOTSTRAP COMPLETED"</span>);
-<a class="jxr_linenumber" name="L268" href="#L268">268</a> }
-<a class="jxr_linenumber" name="L269" href="#L269">269</a> }
-<a class="jxr_linenumber" name="L270" href="#L270">270</a>
-<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L272" href="#L272">272</a> <em
class="jxr_javadoccomment"> * Remember this factory, so later calls to
LogFactory.getCachedFactory</em>
-<a class="jxr_linenumber" name="L273" href="#L273">273</a> <em
class="jxr_javadoccomment"> * can return the previously created object
(together with all its</em>
-<a class="jxr_linenumber" name="L274" href="#L274">274</a> <em
class="jxr_javadoccomment"> * cached Log objects).</em>
-<a class="jxr_linenumber" name="L275" href="#L275">275</a> <em
class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L276" href="#L276">276</a> <em
class="jxr_javadoccomment"> * @param classLoader should be the current
context class loader. Note that</em>
-<a class="jxr_linenumber" name="L277" href="#L277">277</a> <em
class="jxr_javadoccomment"> * this can be null under some circumstances;
this is ok.</em>
-<a class="jxr_linenumber" name="L278" href="#L278">278</a> <em
class="jxr_javadoccomment"> * @param factory should be the factory to
cache. This should never be null.</em>
-<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> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong>
cacheFactory(<strong class="jxr_keyword">final</strong> ClassLoader
classLoader, <strong class="jxr_keyword">final</strong> <a name="LogFactory"
href="../../../../org/apache/commons/logging/LogFactory.html#LogFactory">LogFactory</a>
factory) {
-<a class="jxr_linenumber" name="L281" href="#L281">281</a> <em
class="jxr_comment">// Ideally we would assert(factory != null) here. However
reporting</em>
-<a class="jxr_linenumber" name="L282" href="#L282">282</a> <em
class="jxr_comment">// errors from within a logging implementation is a little
tricky!</em>
-<a class="jxr_linenumber" name="L283" href="#L283">283</a>
-<a class="jxr_linenumber" name="L284" href="#L284">284</a> <strong
class="jxr_keyword">if</strong> (factory != <strong
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L285" href="#L285">285</a> <strong
class="jxr_keyword">if</strong> (classLoader == <strong
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L286" href="#L286">286</a>
nullClassLoaderFactory = factory;
-<a class="jxr_linenumber" name="L287" href="#L287">287</a> }
<strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="L288" href="#L288">288</a>
factories.put(classLoader, factory);
-<a class="jxr_linenumber" name="L289" href="#L289">289</a> }
-<a class="jxr_linenumber" name="L290" href="#L290">290</a> }
-<a class="jxr_linenumber" name="L291" href="#L291">291</a> }
-<a class="jxr_linenumber" name="L292" href="#L292">292</a>
-<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em
class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="L294" href="#L294">294</a> <em
class="jxr_javadoccomment"> * Implements the operations described in the
Javadoc for newFactory.</em>
-<a class="jxr_linenumber" name="L295" href="#L295">295</a> <em
class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="L296" href="#L296">296</a> <em
class="jxr_javadoccomment"> * @param factoryClassName Factory class.</em>
-<a class="jxr_linenumber" name="L297" href="#L297">297</a> <em
class="jxr_javadoccomment"> * @param classLoader used to load the
specified factory class. This is expected to be either the TCCL or the class
loader which loaded this class.</em>
-<a class="jxr_linenumber" name="L298" href="#L298">298</a> <em
class="jxr_javadoccomment"> * Note that the class
loader which loaded this class might be "null" (for example, the boot loader)
for embedded systems.</em>
-<a class="jxr_linenumber" name="L299" href="#L299">299</a> <em
class="jxr_javadoccomment"> * @return either a LogFactory object or a
LogConfigurationException object.</em>
-<a class="jxr_linenumber" name="L300" href="#L300">300</a> <em
class="jxr_javadoccomment"> * @since 1.1</em>
-<a class="jxr_linenumber" name="L301" href="#L301">301</a> <em
class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="L302" href="#L302">302</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> Object createFactory(<strong
class="jxr_keyword">final</strong> String factoryClassName, <strong
class="jxr_keyword">final</strong> ClassLoader classLoader) {
-<a class="jxr_linenumber" name="L303" href="#L303">303</a> <em
class="jxr_comment">// This will be used to diagnose bad configurations</em>
-<a class="jxr_linenumber" name="L304" href="#L304">304</a> <em
class="jxr_comment">// and allow a useful message to be sent to the user</em>
-<a class="jxr_linenumber" name="L305" href="#L305">305</a>
Class<?> logFactoryClass = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="L306" href="#L306">306</a> <strong
class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L307" href="#L307">307</a> <strong
class="jxr_keyword">if</strong> (classLoader != <strong
class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="L308" href="#L308">308</a>
<strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="L309" href="#L309">309</a>
<em class="jxr_comment">// First the given class loader param (thread class
loader)</em>
-<a class="jxr_linenumber" name="L310" href="#L310">310</a>
-<a class="jxr_linenumber" name="L311" href="#L311">311</a>
<em class="jxr_comment">// Warning: must typecast here & allow
exception</em>
-<a class="jxr_linenumber" name="L312" href="#L312">312</a>
<em class="jxr_comment">// to be generated/caught & recast properly.</em>
-<a class="jxr_linenumber" name="L313" href="#L313">313</a>
logFactoryClass = classLoader.loadClass(factoryClassName);
-<a class="jxr_linenumber" name="L314" href="#L314">314</a>
<strong class="jxr_keyword">if</strong> (LogFactory.<strong
class="jxr_keyword">class</strong>.isAssignableFrom(logFactoryClass)) {
-<a class="jxr_linenumber" name="L315" href="#L315">315</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L316" href="#L316">316</a>
logDiagnostic(<span class="jxr_string">"Loaded class "</span> +
logFactoryClass.getName() + <span class="jxr_string">" from class loader
"</span> + objectId(classLoader));
-<a class="jxr_linenumber" name="L317" href="#L317">317</a>
}
-<a class="jxr_linenumber" name="L318" href="#L318">318</a>
} <strong class="jxr_keyword">else</strong> <em class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L319" href="#L319">319</a>
<em class="jxr_comment">// This indicates a problem with the ClassLoader
tree.</em>
-<a class="jxr_linenumber" name="L320" href="#L320">320</a>
<em class="jxr_comment">// An incompatible ClassLoader was used to load the</em>
-<a class="jxr_linenumber" name="L321" href="#L321">321</a>
<em class="jxr_comment">// implementation.</em>
-<a class="jxr_linenumber" name="L322" href="#L322">322</a>
<em class="jxr_comment">// As the same classes</em>
-<a class="jxr_linenumber" name="L323" href="#L323">323</a>
<em class="jxr_comment">// must be available in multiple class loaders,</em>
-<a class="jxr_linenumber" name="L324" href="#L324">324</a>
<em class="jxr_comment">// it is very likely that multiple JCL jars are
present.</em>
-<a class="jxr_linenumber" name="L325" href="#L325">325</a>
<em class="jxr_comment">// The most likely fix for this</em>
-<a class="jxr_linenumber" name="L326" href="#L326">326</a>
<em class="jxr_comment">// problem is to remove the extra JCL jars from the</em>
-<a class="jxr_linenumber" name="L327" href="#L327">327</a>
<em class="jxr_comment">// ClassLoader hierarchy.</em>
-<a class="jxr_linenumber" name="L328" href="#L328">328</a>
<em class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L329" href="#L329">329</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L330" href="#L330">330</a>
logDiagnostic(<span class="jxr_string">"Factory class "</span> +
logFactoryClass.getName() + <span class="jxr_string">" loaded from class loader
"</span> + objectId(logFactoryClass.getClassLoader())
-<a class="jxr_linenumber" name="L331" href="#L331">331</a>
+ <span class="jxr_string">" does not extend '"</span> +
LogFactory.<strong class="jxr_keyword">class</strong>.getName() + <span
class="jxr_string">"' as loaded by this class loader."</span>);
-<a class="jxr_linenumber" name="L332" href="#L332">332</a>
logHierarchy(<span class="jxr_string">"[BAD CL TREE] "</span>, classLoader);
+<a class="jxr_linenumber" name="L195" href="#L195">195</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L196" href="#L196">196</a> <em
class="jxr_javadoccomment"> * A reference to the class loader that loaded
this class. This is the</em>
+<a class="jxr_linenumber" name="L197" href="#L197">197</a> <em
class="jxr_javadoccomment"> * same as LogFactory.class.getClassLoader().
However computing this</em>
+<a class="jxr_linenumber" name="L198" href="#L198">198</a> <em
class="jxr_javadoccomment"> * value isn't quite as simple as that, as we
potentially need to use</em>
+<a class="jxr_linenumber" name="L199" href="#L199">199</a> <em
class="jxr_javadoccomment"> * AccessControllers etc. It's more efficient to
compute it once and</em>
+<a class="jxr_linenumber" name="L200" href="#L200">200</a> <em
class="jxr_javadoccomment"> * cache it here.</em>
+<a class="jxr_linenumber" name="L201" href="#L201">201</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L202" href="#L202">202</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
WeakReference<ClassLoader> thisClassLoaderRef;
+<a class="jxr_linenumber" name="L203" href="#L203">203</a>
+<a class="jxr_linenumber" name="L204" href="#L204">204</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L205" href="#L205">205</a> <em
class="jxr_javadoccomment"> * Maximum number of {@link ServiceLoader}
errors to ignore, while</em>
+<a class="jxr_linenumber" name="L206" href="#L206">206</a> <em
class="jxr_javadoccomment"> * looking for an implementation.</em>
+<a class="jxr_linenumber" name="L207" href="#L207">207</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L208" href="#L208">208</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong>
<strong class="jxr_keyword">int</strong> MAX_BROKEN_SERVICES = 3;
+<a class="jxr_linenumber" name="L209" href="#L209">209</a>
+<a class="jxr_linenumber" name="L210" href="#L210">210</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L211" href="#L211">211</a> <em
class="jxr_javadoccomment"> * The previously constructed {@code LogFactory}
instances, keyed by</em>
+<a class="jxr_linenumber" name="L212" href="#L212">212</a> <em
class="jxr_javadoccomment"> * the {@code ClassLoader} with which it was
created.</em>
+<a class="jxr_linenumber" name="L213" href="#L213">213</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L214" href="#L214">214</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> Hashtable<ClassLoader, LogFactory>
factories;
+<a class="jxr_linenumber" name="L215" href="#L215">215</a>
+<a class="jxr_linenumber" name="L216" href="#L216">216</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L217" href="#L217">217</a> <em
class="jxr_javadoccomment"> * Previously constructed {@code LogFactory}
instance as in the</em>
+<a class="jxr_linenumber" name="L218" href="#L218">218</a> <em
class="jxr_javadoccomment"> * {@code factories} map, but for the case
where</em>
+<a class="jxr_linenumber" name="L219" href="#L219">219</a> <em
class="jxr_javadoccomment"> * {@code getClassLoader} returns {@code
null}.</em>
+<a class="jxr_linenumber" name="L220" href="#L220">220</a> <em
class="jxr_javadoccomment"> * This can happen when:</em>
+<a class="jxr_linenumber" name="L221" href="#L221">221</a> <em
class="jxr_javadoccomment"> * <ul></em>
+<a class="jxr_linenumber" name="L222" href="#L222">222</a> <em
class="jxr_javadoccomment"> * <li>using JDK1.1 and the calling code
is loaded via the system</em>
+<a class="jxr_linenumber" name="L223" href="#L223">223</a> <em
class="jxr_javadoccomment"> * class loader (very common)</li></em>
+<a class="jxr_linenumber" name="L224" href="#L224">224</a> <em
class="jxr_javadoccomment"> * <li>using JDK1.2+ and the calling code
is loaded via the boot</em>
+<a class="jxr_linenumber" name="L225" href="#L225">225</a> <em
class="jxr_javadoccomment"> * class loader (only likely for embedded
systems work).</li></em>
+<a class="jxr_linenumber" name="L226" href="#L226">226</a> <em
class="jxr_javadoccomment"> * </ul></em>
+<a class="jxr_linenumber" name="L227" href="#L227">227</a> <em
class="jxr_javadoccomment"> * Note that {@code factories} is a
<em>Hashtable</em> (not a HashMap),</em>
+<a class="jxr_linenumber" name="L228" href="#L228">228</a> <em
class="jxr_javadoccomment"> * and hash tables don't allow null as a
key.</em>
+<a class="jxr_linenumber" name="L229" href="#L229">229</a> <em
class="jxr_javadoccomment"> * @deprecated since 1.1.2</em>
+<a class="jxr_linenumber" name="L230" href="#L230">230</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L231" href="#L231">231</a> @Deprecated
+<a class="jxr_linenumber" name="L232" href="#L232">232</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> <strong
class="jxr_keyword">volatile</strong> <a name="LogFactory"
href="../../../../org/apache/commons/logging/LogFactory.html#LogFactory">LogFactory</a>
nullClassLoaderFactory;
+<a class="jxr_linenumber" name="L233" href="#L233">233</a>
+<a class="jxr_linenumber" name="L234" href="#L234">234</a> <strong
class="jxr_keyword">static</strong> {
+<a class="jxr_linenumber" name="L235" href="#L235">235</a> <em
class="jxr_comment">// note: it's safe to call methods before initDiagnostics
(though</em>
+<a class="jxr_linenumber" name="L236" href="#L236">236</a> <em
class="jxr_comment">// diagnostic output gets discarded).</em>
+<a class="jxr_linenumber" name="L237" href="#L237">237</a> <strong
class="jxr_keyword">final</strong> ClassLoader thisClassLoader =
getClassLoader(LogFactory.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="L238" href="#L238">238</a>
thisClassLoaderRef = <strong class="jxr_keyword">new</strong>
WeakReference<>(thisClassLoader);
+<a class="jxr_linenumber" name="L239" href="#L239">239</a> <em
class="jxr_comment">// In order to avoid confusion where multiple instances of
JCL are</em>
+<a class="jxr_linenumber" name="L240" href="#L240">240</a> <em
class="jxr_comment">// being used via different class loaders within the same
app, we</em>
+<a class="jxr_linenumber" name="L241" href="#L241">241</a> <em
class="jxr_comment">// ensure each logged message has a prefix of form</em>
+<a class="jxr_linenumber" name="L242" href="#L242">242</a> <em
class="jxr_comment">// [LogFactory from class loader OID]</em>
+<a class="jxr_linenumber" name="L243" href="#L243">243</a> <em
class="jxr_comment">//</em>
+<a class="jxr_linenumber" name="L244" href="#L244">244</a> <em
class="jxr_comment">// Note that this prefix should be kept consistent with
that</em>
+<a class="jxr_linenumber" name="L245" href="#L245">245</a> <em
class="jxr_comment">// in LogFactoryImpl. However here we don't need to output
info</em>
+<a class="jxr_linenumber" name="L246" href="#L246">246</a> <em
class="jxr_comment">// about the actual *instance* of LogFactory, as all
methods that</em>
+<a class="jxr_linenumber" name="L247" href="#L247">247</a> <em
class="jxr_comment">// output diagnostics from this class are static.</em>
+<a class="jxr_linenumber" name="L248" href="#L248">248</a> String
classLoaderName;
+<a class="jxr_linenumber" name="L249" href="#L249">249</a> <strong
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L250" href="#L250">250</a>
classLoaderName = thisClassLoader != <strong class="jxr_keyword">null</strong>
? objectId(thisClassLoader) : <span class="jxr_string">"BOOTLOADER"</span>;
+<a class="jxr_linenumber" name="L251" href="#L251">251</a> } <strong
class="jxr_keyword">catch</strong> (<strong class="jxr_keyword">final</strong>
SecurityException e) {
+<a class="jxr_linenumber" name="L252" href="#L252">252</a>
classLoaderName = <span class="jxr_string">"UNKNOWN"</span>;
+<a class="jxr_linenumber" name="L253" href="#L253">253</a> }
+<a class="jxr_linenumber" name="L254" href="#L254">254</a>
DIAGNOSTICS_PREFIX = <span class="jxr_string">"[LogFactory from "</span> +
classLoaderName + <span class="jxr_string">"] "</span>;
+<a class="jxr_linenumber" name="L255" href="#L255">255</a>
DIAGNOSTICS_STREAM = initDiagnostics();
+<a class="jxr_linenumber" name="L256" href="#L256">256</a>
logClassLoaderEnvironment(LogFactory.<strong
class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="L257" href="#L257">257</a> factories =
createFactoryStore();
+<a class="jxr_linenumber" name="L258" href="#L258">258</a>
logDiagnostic(<span class="jxr_string">"BOOTSTRAP COMPLETED"</span>);
+<a class="jxr_linenumber" name="L259" href="#L259">259</a> }
+<a class="jxr_linenumber" name="L260" href="#L260">260</a>
+<a class="jxr_linenumber" name="L261" href="#L261">261</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L262" href="#L262">262</a> <em
class="jxr_javadoccomment"> * Remember this factory, so later calls to
LogFactory.getCachedFactory</em>
+<a class="jxr_linenumber" name="L263" href="#L263">263</a> <em
class="jxr_javadoccomment"> * can return the previously created object
(together with all its</em>
+<a class="jxr_linenumber" name="L264" href="#L264">264</a> <em
class="jxr_javadoccomment"> * cached Log objects).</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> <em
class="jxr_javadoccomment"> * @param classLoader should be the current
context class loader. Note that</em>
+<a class="jxr_linenumber" name="L267" href="#L267">267</a> <em
class="jxr_javadoccomment"> * this can be null under some circumstances;
this is ok.</em>
+<a class="jxr_linenumber" name="L268" href="#L268">268</a> <em
class="jxr_javadoccomment"> * @param factory should be the factory to
cache. This should never be null.</em>
+<a class="jxr_linenumber" name="L269" href="#L269">269</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L270" href="#L270">270</a> <strong
class="jxr_keyword">private</strong> <strong
class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong>
cacheFactory(<strong class="jxr_keyword">final</strong> ClassLoader
classLoader, <strong class="jxr_keyword">final</strong> <a name="LogFactory"
href="../../../../org/apache/commons/logging/LogFactory.html#LogFactory">LogFactory</a>
factory) {
+<a class="jxr_linenumber" name="L271" href="#L271">271</a> <em
class="jxr_comment">// Ideally we would assert(factory != null) here. However
reporting</em>
+<a class="jxr_linenumber" name="L272" href="#L272">272</a> <em
class="jxr_comment">// errors from within a logging implementation is a little
tricky!</em>
+<a class="jxr_linenumber" name="L273" href="#L273">273</a> <strong
class="jxr_keyword">if</strong> (factory != <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L274" href="#L274">274</a> <strong
class="jxr_keyword">if</strong> (classLoader == <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L275" href="#L275">275</a>
nullClassLoaderFactory = factory;
+<a class="jxr_linenumber" name="L276" href="#L276">276</a> }
<strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="L277" href="#L277">277</a>
factories.put(classLoader, factory);
+<a class="jxr_linenumber" name="L278" href="#L278">278</a> }
+<a class="jxr_linenumber" name="L279" href="#L279">279</a> }
+<a class="jxr_linenumber" name="L280" href="#L280">280</a> }
+<a class="jxr_linenumber" name="L281" href="#L281">281</a>
+<a class="jxr_linenumber" name="L282" href="#L282">282</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="L283" href="#L283">283</a> <em
class="jxr_javadoccomment"> * Creates a LogFactory object or a
LogConfigurationException object.</em>
+<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"> * @param factoryClassName Factory class.</em>
+<a class="jxr_linenumber" name="L286" href="#L286">286</a> <em
class="jxr_javadoccomment"> * @param classLoader used to load the
specified factory class. This is expected to be either the TCCL or the class
loader which loaded this class.</em>
+<a class="jxr_linenumber" name="L287" href="#L287">287</a> <em
class="jxr_javadoccomment"> * Note that the class
loader which loaded this class might be "null" (for example, the boot loader)
for embedded systems.</em>
+<a class="jxr_linenumber" name="L288" href="#L288">288</a> <em
class="jxr_javadoccomment"> * @return either a LogFactory object or a
LogConfigurationException object.</em>
+<a class="jxr_linenumber" name="L289" href="#L289">289</a> <em
class="jxr_javadoccomment"> * @since 1.1</em>
+<a class="jxr_linenumber" name="L290" href="#L290">290</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="L291" href="#L291">291</a> <strong
class="jxr_keyword">protected</strong> <strong
class="jxr_keyword">static</strong> Object createFactory(<strong
class="jxr_keyword">final</strong> String factoryClassName, <strong
class="jxr_keyword">final</strong> ClassLoader classLoader) {
+<a class="jxr_linenumber" name="L292" href="#L292">292</a> <em
class="jxr_comment">// This will be used to diagnose bad configurations</em>
+<a class="jxr_linenumber" name="L293" href="#L293">293</a> <em
class="jxr_comment">// and allow a useful message to be sent to the user</em>
+<a class="jxr_linenumber" name="L294" href="#L294">294</a>
Class<?> logFactoryClass = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="L295" href="#L295">295</a> <strong
class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L296" href="#L296">296</a> <strong
class="jxr_keyword">if</strong> (classLoader != <strong
class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="L297" href="#L297">297</a>
<strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="L298" href="#L298">298</a>
<em class="jxr_comment">// First the given class loader param (thread class
loader)</em>
+<a class="jxr_linenumber" name="L299" href="#L299">299</a>
+<a class="jxr_linenumber" name="L300" href="#L300">300</a>
<em class="jxr_comment">// Warning: must typecast here & allow
exception</em>
+<a class="jxr_linenumber" name="L301" href="#L301">301</a>
<em class="jxr_comment">// to be generated/caught & recast properly.</em>
+<a class="jxr_linenumber" name="L302" href="#L302">302</a>
logFactoryClass = classLoader.loadClass(factoryClassName);
+<a class="jxr_linenumber" name="L303" href="#L303">303</a>
<strong class="jxr_keyword">if</strong> (LogFactory.<strong
class="jxr_keyword">class</strong>.isAssignableFrom(logFactoryClass)) {
+<a class="jxr_linenumber" name="L304" href="#L304">304</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L305" href="#L305">305</a>
logDiagnostic(<span class="jxr_string">"Loaded class "</span> +
logFactoryClass.getName() + <span class="jxr_string">" from class loader
"</span> + objectId(classLoader));
+<a class="jxr_linenumber" name="L306" href="#L306">306</a>
}
+<a class="jxr_linenumber" name="L307" href="#L307">307</a>
} <strong class="jxr_keyword">else</strong> <em class="jxr_comment">//</em>
+<a class="jxr_linenumber" name="L308" href="#L308">308</a>
<em class="jxr_comment">// This indicates a problem with the ClassLoader
tree.</em>
+<a class="jxr_linenumber" name="L309" href="#L309">309</a>
<em class="jxr_comment">// An incompatible ClassLoader was used to load the</em>
+<a class="jxr_linenumber" name="L310" href="#L310">310</a>
<em class="jxr_comment">// implementation.</em>
+<a class="jxr_linenumber" name="L311" href="#L311">311</a>
<em class="jxr_comment">// As the same classes</em>
+<a class="jxr_linenumber" name="L312" href="#L312">312</a>
<em class="jxr_comment">// must be available in multiple class loaders,</em>
+<a class="jxr_linenumber" name="L313" href="#L313">313</a>
<em class="jxr_comment">// it is very likely that multiple JCL jars are
present.</em>
+<a class="jxr_linenumber" name="L314" href="#L314">314</a>
<em class="jxr_comment">// The most likely fix for this</em>
+<a class="jxr_linenumber" name="L315" href="#L315">315</a>
<em class="jxr_comment">// problem is to remove the extra JCL jars from the</em>
+<a class="jxr_linenumber" name="L316" href="#L316">316</a>
<em class="jxr_comment">// ClassLoader hierarchy.</em>
+<a class="jxr_linenumber" name="L317" href="#L317">317</a>
<em class="jxr_comment">//</em>
+<a class="jxr_linenumber" name="L318" href="#L318">318</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L319" href="#L319">319</a>
logDiagnostic(<span class="jxr_string">"Factory class "</span> +
logFactoryClass.getName() + <span class="jxr_string">" loaded from class loader
"</span> + objectId(logFactoryClass.getClassLoader())
+<a class="jxr_linenumber" name="L320" href="#L320">320</a>
+ <span class="jxr_string">" does not extend '"</span> +
LogFactory.<strong class="jxr_keyword">class</strong>.getName() + <span
class="jxr_string">"' as loaded by this class loader."</span>);
+<a class="jxr_linenumber" name="L321" href="#L321">321</a>
logHierarchy(<span class="jxr_string">"[BAD CL TREE] "</span>, classLoader);
+<a class="jxr_linenumber" name="L322" href="#L322">322</a>
}
+<a class="jxr_linenumber" name="L323" href="#L323">323</a>
<em class="jxr_comment">// Force a ClassCastException</em>
+<a class="jxr_linenumber" name="L324" href="#L324">324</a>
<strong class="jxr_keyword">return</strong> LogFactory.<strong
class="jxr_keyword">class</strong>.<strong
class="jxr_keyword">cast</strong>(logFactoryClass.getConstructor().newInstance());
+<a class="jxr_linenumber" name="L325" href="#L325">325</a>
+<a class="jxr_linenumber" name="L326" href="#L326">326</a> }
<strong class="jxr_keyword">catch</strong> (<strong
class="jxr_keyword">final</strong> ClassNotFoundException ex) {
+<a class="jxr_linenumber" name="L327" href="#L327">327</a>
<strong class="jxr_keyword">if</strong> (classLoader ==
thisClassLoaderRef.get()) {
+<a class="jxr_linenumber" name="L328" href="#L328">328</a>
<em class="jxr_comment">// Nothing more to try, onwards.</em>
+<a class="jxr_linenumber" name="L329" href="#L329">329</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
+<a class="jxr_linenumber" name="L330" href="#L330">330</a>
logDiagnostic(<span class="jxr_string">"Unable to locate any class
called '"</span> + factoryClassName + <span class="jxr_string">"' via class
loader "</span> + objectId(classLoader));
+<a class="jxr_linenumber" name="L331" href="#L331">331</a>
}
+<a class="jxr_linenumber" name="L332" href="#L332">332</a>
<strong class="jxr_keyword">throw</strong> ex;
<a class="jxr_linenumber" name="L333" href="#L333">333</a>
}
-<a class="jxr_linenumber" name="L334" href="#L334">334</a>
-<a class="jxr_linenumber" name="L335" href="#L335">335</a>
<strong class="jxr_keyword">return</strong>
logFactoryClass.getConstructor().newInstance();
-<a class="jxr_linenumber" name="L336" href="#L336">336</a>
-<a class="jxr_linenumber" name="L337" href="#L337">337</a> }
<strong class="jxr_keyword">catch</strong> (<strong
class="jxr_keyword">final</strong> ClassNotFoundException ex) {
-<a class="jxr_linenumber" name="L338" href="#L338">338</a>
<strong class="jxr_keyword">if</strong> (classLoader ==
thisClassLoaderRef.get()) {
-<a class="jxr_linenumber" name="L339" href="#L339">339</a>
<em class="jxr_comment">// Nothing more to try, onwards.</em>
-<a class="jxr_linenumber" name="L340" href="#L340">340</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L341" href="#L341">341</a>
logDiagnostic(<span class="jxr_string">"Unable to locate any class
called '"</span> + factoryClassName + <span class="jxr_string">"' via class
loader "</span> + objectId(classLoader));
-<a class="jxr_linenumber" name="L342" href="#L342">342</a>
}
-<a class="jxr_linenumber" name="L343" href="#L343">343</a>
<strong class="jxr_keyword">throw</strong> ex;
-<a class="jxr_linenumber" name="L344" href="#L344">344</a>
}
-<a class="jxr_linenumber" name="L345" href="#L345">345</a>
<em class="jxr_comment">// ignore exception, continue</em>
-<a class="jxr_linenumber" name="L346" href="#L346">346</a> }
<strong class="jxr_keyword">catch</strong> (<strong
class="jxr_keyword">final</strong> NoClassDefFoundError e) {
-<a class="jxr_linenumber" name="L347" href="#L347">347</a>
<strong class="jxr_keyword">if</strong> (classLoader ==
thisClassLoaderRef.get()) {
-<a class="jxr_linenumber" name="L348" href="#L348">348</a>
<em class="jxr_comment">// Nothing more to try, onwards.</em>
-<a class="jxr_linenumber" name="L349" href="#L349">349</a>
<strong class="jxr_keyword">if</strong> (isDiagnosticsEnabled()) {
-<a class="jxr_linenumber" name="L350" href="#L350">350</a>
logDiagnostic(<span class="jxr_string">"Class '"</span> +
factoryClassName + <span class="jxr_string">"' cannot be loaded"</span> + <span
class="jxr_string">" via class loader "</span> + objectId(classLoader)
-<a class="jxr_linenumber" name="L351" href="#L351">351</a>
+ <span class="jxr_string">" - it depends on some other class
that cannot be found."</span>);
-<a class="jxr_linenumber" name="L352" href="#L352">352</a>
}
-<a class="jxr_linenumber" name="L353" href="#L353">353</a>
<strong class="jxr_keyword">throw</strong> e;
-<a class="jxr_linenumber" name="L354" href="#L354">354</a>
}
-<a class="jxr_linenumber" name="L355" href="#L355">355</a>
<em class="jxr_comment">// ignore exception, continue</em>
-<a class="jxr_linenumber" name="L356" href="#L356">356</a> }
<strong class="jxr_keyword">catch</strong> (<strong
class="jxr_keyword">final</strong> ClassCastException e) {
-<a class="jxr_linenumber" name="L357" href="#L357">357</a>
<strong class="jxr_keyword">if</strong> (classLoader ==
thisClassLoaderRef.get()) {
-<a class="jxr_linenumber" name="L358" href="#L358">358</a>
<em class="jxr_comment">// There's no point in falling through to the code
below that</em>
-<a class="jxr_linenumber" name="L359" href="#L359">359</a>
<em class="jxr_comment">// tries again with thisClassLoaderRef, because
we've just tried</em>
-<a class="jxr_linenumber" name="L360" href="#L360">360</a>
<em class="jxr_comment">// loading with that loader (not the TCCL). Just
throw an</em>
-<a class="jxr_linenumber" name="L361" href="#L361">361</a>
<em class="jxr_comment">// appropriate exception here.</em>
-<a class="jxr_linenumber" name="L362" href="#L362">362</a>
-<a class="jxr_linenumber" name="L363" href="#L363">363</a>
<strong class="jxr_keyword">final</strong> <strong
class="jxr_keyword">boolean</strong> implementsLogFactory =
implementsLogFactory(logFactoryClass);
-<a class="jxr_linenumber" name="L364" href="#L364">364</a>
-<a class="jxr_linenumber" name="L365" href="#L365">365</a>
<em class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L366" href="#L366">366</a>
<em class="jxr_comment">// Construct a good message: users may not actual
expect that a custom implementation</em>
-<a class="jxr_linenumber" name="L367" href="#L367">367</a>
<em class="jxr_comment">// has been specified. Several well known
containers use this mechanism to adapt JCL</em>
-<a class="jxr_linenumber" name="L368" href="#L368">368</a>
<em class="jxr_comment">// to their native logging system.</em>
-<a class="jxr_linenumber" name="L369" href="#L369">369</a>
<em class="jxr_comment">//</em>
-<a class="jxr_linenumber" name="L370" href="#L370">370</a>
<strong class="jxr_keyword">final</strong> StringBuilder msg = <strong
class="jxr_keyword">new</strong> StringBuilder();
[... 2542 lines stripped ...]
