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/* Copyright (C) 1999 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
/* Author: Kresten Krab Thorup <krab@gnu.org> */
package gnu.gcj.runtime;
import java.io.*;
import java.util.StringTokenizer;
import java.net.URL;
final class VMClassLoader extends java.net.URLClassLoader
{
private VMClassLoader ()
{
super (init());
}
private static URL[] init()
{
StringTokenizer st
= new StringTokenizer (System.getProperty ("java.class.path", "."),
System.getProperty ("path.separator", ":"));
java.util.Vector p = new java.util.Vector();
while (st.hasMoreElements ())
{
String e = st.nextToken ();
try
{
if (e.endsWith(".jar") || e.endsWith (".zip"))
p.addElement(new URL("jar", "", -1, "file:///"+e+"!/"));
else if (e.endsWith ("/"))
p.addElement (new URL("file", "", -1, e));
else if (new File (e).isDirectory ())
p.addElement (new URL("file", "", -1, e + "/"));
else
/* Ignore path element. */;
}
catch (java.net.MalformedURLException x)
{
/* Ignore this path element */
}
}
URL[] urls = new URL[p.size()];
p.copyInto (urls);
return urls;
}
/** This is overridden to search the internal hash table, which
* will only search existing linked-in classes. This will make
* the default implementation of loadClass (in ClassLoader) work right.
*/
protected final native Class findSystemClass(String name)
throws java.lang.ClassNotFoundException, java.lang.LinkageError;
// Return the sole VMClassLoader.
private static synchronized VMClassLoader getVMClassLoader ()
{
if (redirect == null)
redirect = new VMClassLoader ();
return redirect;
}
// The only VMClassLoader that can exist.
private static VMClassLoader redirect;
}
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