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: Class URLClassLoader
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calypso.util</FONT>
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Class URLClassLoader</H2>
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<PRE>
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java.lang.Object
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+--java.lang.ClassLoader
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+--<B>calypso.util.URLClassLoader</B>
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</PRE>
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<HR>
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<DL>
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<DT>public class <B>URLClassLoader</B><DT>extends java.lang.ClassLoader</DL>
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<P>
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A URL based class loader. This class knows how to load classes from
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a given base URL
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<P>
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<HR>
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<P>
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<!-- ======== INNER CLASS SUMMARY ======== -->
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<!-- =========== FIELD SUMMARY =========== -->
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<B>Constructor Summary</B></FONT></TD>
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<TD><CODE><B><A HREF="../../calypso/util/URLClassLoader.html#URLClassLoader(java.net.URL, java.net.URL)">URLClassLoader</A></B>(java.net.URL aBaseURL,
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java.net.URL aArchiveURL)</CODE>
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<BR>
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Create a new URL based class loader.</TD>
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</TR>
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</TABLE>
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<!-- ========== METHOD SUMMARY =========== -->
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<B>Method Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected void</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../calypso/util/URLClassLoader.html#finalize()">finalize</A></B>()</CODE>
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<BR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected java.lang.Class</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../calypso/util/URLClassLoader.html#findClass(java.lang.String)">findClass</A></B>(java.lang.String name)</CODE>
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<BR>
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This method finds a class.</TD>
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</TR>
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<TR BGCOLOR="white" ID="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> java.net.URL</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../calypso/util/URLClassLoader.html#getCodeBaseURL()">getCodeBaseURL</A></B>()</CODE>
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<BR>
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</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> java.lang.Class</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../calypso/util/URLClassLoader.html#loadClass(java.lang.String)">loadClass</A></B>(java.lang.String name)</CODE>
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<BR>
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Load a class from this class loader.</TD>
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</TR>
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<TR BGCOLOR="white" ID="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE>protected java.lang.Class</CODE></FONT></TD>
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<TD><CODE><B><A HREF="../../calypso/util/URLClassLoader.html#loadClass(java.lang.String, boolean)">loadClass</A></B>(java.lang.String name,
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boolean resolve)</CODE>
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<BR>
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Load and resolve a class.</TD>
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</TR>
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</TABLE>
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<A NAME="methods_inherited_from_class_java.lang.ClassLoader"><!-- --></A>
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<TR BGCOLOR="#EEEEFF" ID="TableSubHeadingColor">
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<TD><B>Methods inherited from class java.lang.ClassLoader</B></TD>
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</TR>
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<TR BGCOLOR="white" ID="TableRowColor">
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<TD><CODE>defineClass,
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defineClass,
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defineClass,
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definePackage,
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findLibrary,
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findLoadedClass,
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findResource,
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findResources,
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findSystemClass,
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getPackage,
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getPackages,
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getParent,
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getResource,
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getResourceAsStream,
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getResources,
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getSystemClassLoader,
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getSystemResource,
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getSystemResourceAsStream,
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getSystemResources,
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resolveClass,
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setSigners</CODE></TD>
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<TD><B>Methods inherited from class java.lang.Object</B></TD>
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</TR>
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<TR BGCOLOR="white" ID="TableRowColor">
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<TD><CODE>clone,
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equals,
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getClass,
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hashCode,
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notify,
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notifyAll,
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toString,
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wait,
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wait,
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wait</CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->
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<B>Constructor Detail</B></FONT></TD>
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</TABLE>
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<A NAME="URLClassLoader(java.net.URL, java.net.URL)"><!-- --></A><H3>
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URLClassLoader</H3>
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<PRE>
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public <B>URLClassLoader</B>(java.net.URL aBaseURL,
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java.net.URL aArchiveURL)</PRE>
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<DL>
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<DD>Create a new URL based class loader. aBaseURL specifies the URL
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to load classes relative to. If aArchiveURL is not null then the
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archive will be searched first (if it fails then the load will be
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attempted from aBaseURL).</DL>
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<!-- ============ METHOD DETAIL ========== -->
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<B>Method Detail</B></FONT></TD>
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<A NAME="loadClass(java.lang.String)"><!-- --></A><H3>
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loadClass</H3>
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<PRE>
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public java.lang.Class <B>loadClass</B>(java.lang.String name)
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throws java.lang.ClassNotFoundException</PRE>
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<DL>
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<DD>Load a class from this class loader. This method is used by applets
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that want to explicitly load a class.<DD><DL>
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<DT><B>Overrides:</B><DD>loadClass in class java.lang.ClassLoader</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="loadClass(java.lang.String, boolean)"><!-- --></A><H3>
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loadClass</H3>
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<PRE>
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protected java.lang.Class <B>loadClass</B>(java.lang.String name,
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boolean resolve)
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throws java.lang.ClassNotFoundException</PRE>
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<DL>
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<DD>Load and resolve a class. This method is called by the java runtime
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to get a class that another class needs (e.g. a superclass).<DD><DL>
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<DT><B>Overrides:</B><DD>loadClass in class java.lang.ClassLoader</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="findClass(java.lang.String)"><!-- --></A><H3>
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findClass</H3>
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<PRE>
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protected java.lang.Class <B>findClass</B>(java.lang.String name)
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throws java.lang.ClassNotFoundException</PRE>
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<DL>
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<DD>This method finds a class. The returned class
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may be unresolved. This method has to be synchronized
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to avoid two threads loading the same class at the same time.
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Must be called with the actual class name.<DD><DL>
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<DT><B>Overrides:</B><DD>findClass in class java.lang.ClassLoader</DL>
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</DD>
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</DL>
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<HR>
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<A NAME="getCodeBaseURL()"><!-- --></A><H3>
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getCodeBaseURL</H3>
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<PRE>
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public java.net.URL <B>getCodeBaseURL</B>()</PRE>
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<DL>
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</DL>
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<A NAME="finalize()"><!-- --></A><H3>
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finalize</H3>
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<PRE>
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protected void <B>finalize</B>()</PRE>
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<DL>
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<DD><DL>
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<DT><B>Overrides:</B><DD>finalize in class java.lang.Object</DL>
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