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| LoaderUtil (Apache Log4j API 2.3 API) |
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| org.apache.logging.log4j.util</FONT> |
| <BR> |
| Class LoaderUtil</H2> |
| <PRE> |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</A> |
| <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by "><B>org.apache.logging.log4j.util.LoaderUtil</B> |
| </PRE> |
| <HR> |
| <DL> |
| <DT><PRE>public final class <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.35"><B>LoaderUtil</B></A><DT>extends <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></DL> |
| </PRE> |
| |
| <P> |
| <em>Consider this class private.</em> Utility class for ClassLoaders. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>See Also:</B><DD><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang"><CODE>ClassLoader</CODE></A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/RuntimePermission.html?is-external=true" title="class or interface in java.lang"><CODE>RuntimePermission</CODE></A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Thread.html?is-external=true#getContextClassLoader()" title="class or interface in java.lang"><CODE>Thread.getContextClassLoader()</CODE></A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true#getSystemClassLoader()" title="class or interface in java.lang"><CODE>ClassLoader.getSystemClassLoader()</CODE></A></DL> |
| <HR> |
| |
| <P> |
| <!-- =========== FIELD SUMMARY =========== --> |
| |
| <A NAME="field_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Field Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#IGNORE_TCCL_PROPERTY">IGNORE_TCCL_PROPERTY</A></B></CODE> |
| |
| <BR> |
| System property to set to ignore the thread context ClassLoader.</TD> |
| </TR> |
| </TABLE> |
| |
| <!-- ========== METHOD SUMMARY =========== --> |
| |
| <A NAME="method_summary"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"> |
| <B>Method Summary</B></FONT></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A>></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#findResources(java.lang.String)">findResources</A></B>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> resource)</CODE> |
| |
| <BR> |
| Finds classpath <A HREF="http://docs.oracle.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">resources</A>.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#getThreadContextClassLoader()">getThreadContextClassLoader</A></B>()</CODE> |
| |
| <BR> |
| Gets the current Thread ClassLoader.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#loadClass(java.lang.String)">loadClass</A></B>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> className)</CODE> |
| |
| <BR> |
| Loads a class by name.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static |
| <TABLE BORDER="0" CELLPADDING="0" CELLSPACING="0" SUMMARY=""> |
| <TR ALIGN="right" VALIGN=""> |
| <TD NOWRAP><FONT SIZE="-1"> |
| <CODE><T> T</CODE></FONT></TD> |
| </TR> |
| </TABLE> |
| </CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#newCheckedInstanceOf(java.lang.String, java.lang.Class)">newCheckedInstanceOf</A></B>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> className, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><T> clazz)</CODE> |
| |
| <BR> |
| Loads and instantiates a derived class using its default constructor.</TD> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"> |
| <CODE>static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#newInstanceOf(java.lang.String)">newInstanceOf</A></B>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> className)</CODE> |
| |
| <BR> |
| Loads and instantiates a Class using the default constructor.</TD> |
| </TR> |
| </TABLE> |
| <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"> |
| <TH ALIGN="left"><B>Methods inherited from class java.lang.<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A></B></TH> |
| </TR> |
| <TR BGCOLOR="white" CLASS="TableRowColor"> |
| <TD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD> |
| </TR> |
| </TABLE> |
| |
| <P> |
| |
| <!-- ============ FIELD DETAIL =========== --> |
| |
| <A NAME="field_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Field Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="IGNORE_TCCL_PROPERTY"><!-- --></A><H3> |
| IGNORE_TCCL_PROPERTY</H3> |
| <PRE> |
| public static final <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.43"><B>IGNORE_TCCL_PROPERTY</B></A></PRE> |
| <DL> |
| <DD>System property to set to ignore the thread context ClassLoader. |
| <P> |
| <DL> |
| <DT><B>Since:</B></DT> |
| <DD>2.1</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../../../constant-values.html#org.apache.logging.log4j.util.LoaderUtil.IGNORE_TCCL_PROPERTY">Constant Field Values</A></DL> |
| </DL> |
| |
| <!-- ============ METHOD DETAIL ========== --> |
| |
| <A NAME="method_detail"><!-- --></A> |
| <TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""> |
| <TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"> |
| <TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"> |
| <B>Method Detail</B></FONT></TH> |
| </TR> |
| </TABLE> |
| |
| <A NAME="getThreadContextClassLoader()"><!-- --></A><H3> |
| getThreadContextClassLoader</H3> |
| <PRE> |
| public static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassLoader.html?is-external=true" title="class or interface in java.lang">ClassLoader</A> <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.78"><B>getThreadContextClassLoader</B></A>()</PRE> |
| <DL> |
| <DD>Gets the current Thread ClassLoader. Returns the system ClassLoader if the TCCL is <code>null</code>. If the |
| system ClassLoader is <code>null</code> as well, then the ClassLoader for this class is returned. |
| If running with a <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/SecurityManager.html?is-external=true" title="class or interface in java.lang"><CODE>SecurityManager</CODE></A> that does not allow access to the Thread ClassLoader or system |
| ClassLoader, then the ClassLoader for this class is returned. |
| <P> |
| <DD><DL> |
| |
| <DT><B>Returns:</B><DD>the current ThreadContextClassLoader.</DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="loadClass(java.lang.String)"><!-- --></A><H3> |
| loadClass</H3> |
| <PRE> |
| public static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><?> <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.110"><B>loadClass</B></A>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> className) |
| throws <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></PRE> |
| <DL> |
| <DD>Loads a class by name. This method respects the <A HREF="../../../../../org/apache/logging/log4j/util/LoaderUtil.html#IGNORE_TCCL_PROPERTY"><CODE>IGNORE_TCCL_PROPERTY</CODE></A> Log4j property. If this property |
| is specified and set to anything besides <code>false</code>, then the default ClassLoader will be used. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>className</CODE> - The class name. |
| <DT><B>Returns:</B><DD>the Class for the given name. |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - if the specified class name could not be found<DT><B>Since:</B></DT> |
| <DD>2.1</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="newInstanceOf(java.lang.String)"><!-- --></A><H3> |
| newInstanceOf</H3> |
| <PRE> |
| public static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</A> <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.133"><B>newInstanceOf</B></A>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> className) |
| throws <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</A></PRE> |
| <DL> |
| <DD>Loads and instantiates a Class using the default constructor. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>className</CODE> - The class name. |
| <DT><B>Returns:</B><DD>new instance of the class. |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - if the class isn't available to the usual ClassLoaders |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</A></CODE> - if the class can't be instantiated through a public constructor |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</A></CODE> - if there was an exception whilst instantiating the class |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</A></CODE> - if there isn't a no-args constructor on the class |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</A></CODE> - if there was an exception whilst constructing the class<DT><B>Since:</B></DT> |
| <DD>2.1</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="newCheckedInstanceOf(java.lang.String, java.lang.Class)"><!-- --></A><H3> |
| newCheckedInstanceOf</H3> |
| <PRE> |
| public static <T> T <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.160"><B>newCheckedInstanceOf</B></A>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> className, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A><T> clazz) |
| throws <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</A>, |
| <A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</A></PRE> |
| <DL> |
| <DD>Loads and instantiates a derived class using its default constructor. |
| <P> |
| <DD><DL> |
| <DT><B>Type Parameters:</B><DD><CODE>T</CODE> - The type of the class to check.<DT><B>Parameters:</B><DD><CODE>className</CODE> - The class name.<DD><CODE>clazz</CODE> - The class to cast it to. |
| <DT><B>Returns:</B><DD>new instance of the class cast to <code>T</code> |
| <DT><B>Throws:</B> |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassNotFoundException.html?is-external=true" title="class or interface in java.lang">ClassNotFoundException</A></CODE> - if the class isn't available to the usual ClassLoaders |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/IllegalAccessException.html?is-external=true" title="class or interface in java.lang">IllegalAccessException</A></CODE> - if the class can't be instantiated through a public constructor |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/InstantiationException.html?is-external=true" title="class or interface in java.lang">InstantiationException</A></CODE> - if there was an exception whilst instantiating the class |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/NoSuchMethodException.html?is-external=true" title="class or interface in java.lang">NoSuchMethodException</A></CODE> - if there isn't a no-args constructor on the class |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/reflect/InvocationTargetException.html?is-external=true" title="class or interface in java.lang.reflect">InvocationTargetException</A></CODE> - if there was an exception whilst constructing the class |
| <DD><CODE><A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/ClassCastException.html?is-external=true" title="class or interface in java.lang">ClassCastException</A></CODE> - if the constructed object isn't type compatible with <code>T</code><DT><B>Since:</B></DT> |
| <DD>2.1</DD> |
| </DL> |
| </DD> |
| </DL> |
| <HR> |
| |
| <A NAME="findResources(java.lang.String)"><!-- --></A><H3> |
| findResources</H3> |
| <PRE> |
| public static <A HREF="http://docs.oracle.com/javase/6/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</A><<A HREF="http://docs.oracle.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</A>> <A HREF="../../../../../src-html/org/apache/logging/log4j/util/LoaderUtil.html#line.182"><B>findResources</B></A>(<A HREF="http://docs.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A> resource)</PRE> |
| <DL> |
| <DD>Finds classpath <A HREF="http://docs.oracle.com/javase/6/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">resources</A>. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>resource</CODE> - the name of the resource to find. |
| <DT><B>Returns:</B><DD>a Collection of URLs matching the resource name. If no resources could be found, then this will be empty.<DT><B>Since:</B></DT> |
| <DD>2.1</DD> |
| </DL> |
| </DD> |
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