a5c0f6fe87
2007-01-15 Gary Benson <gbenson@redhat.com> * java/net/URLClassLoader.java: Removed. * gnu/java/net/loader/Load_gcjlib.java: New file. * gnu/gcj/runtime/BootClassLoader.java: Ensure core URL handler is present in static executables. * sources.am, Makefile.in: Rebuilt. From-SVN: r120791
81 lines
2.1 KiB
Java
81 lines
2.1 KiB
Java
/* Copyright (C) 2005, 2007 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. */
|
|
|
|
package gnu.gcj.runtime;
|
|
|
|
import gnu.java.net.protocol.core.Handler;
|
|
import java.io.IOException;
|
|
import java.net.URL;
|
|
import java.util.Enumeration;
|
|
|
|
/**
|
|
* This is a helper for the bootstrap class loader. It is a
|
|
* URLClassLoader so that we can read a class path and re-use all the
|
|
* existing code for finding classes, extracting them from jars, etc.
|
|
* However, it is never called the way that an ordinary ClassLoader is
|
|
* called. For instance, loadClass() is never used.
|
|
*/
|
|
public final class BootClassLoader extends HelperClassLoader
|
|
{
|
|
// This forces the core URL handler to be included in statically
|
|
// linked executables. The line that adds core:/ to the search
|
|
// path fails otherwise.
|
|
static Class coreHandler = gnu.java.net.protocol.core.Handler.class;
|
|
|
|
BootClassLoader(String libdir)
|
|
{
|
|
// The BootClassLoader is the top of the delegation chain. It does not
|
|
// have a parent.
|
|
super((ClassLoader) null);
|
|
addDirectoriesFromProperty("java.endorsed.dirs");
|
|
addDirectoriesFromProperty("gnu.gcj.runtime.endorsed.dirs");
|
|
|
|
try
|
|
{
|
|
// Add core:/ to the end so any resources compiled into this
|
|
// executable may be found.
|
|
addURL(new URL("core", "", -1, "/"));
|
|
}
|
|
catch (java.net.MalformedURLException x)
|
|
{
|
|
// This should never happen.
|
|
throw new RuntimeException(x);
|
|
}
|
|
}
|
|
|
|
public Class bootLoadClass(String name)
|
|
throws ClassNotFoundException
|
|
{
|
|
Class c = findLoadedClass(name);
|
|
if (c == null)
|
|
{
|
|
try
|
|
{
|
|
// We could hack URLClassLoader to make this more
|
|
// efficient, if it mattered.
|
|
c = findClass(name);
|
|
}
|
|
catch (ClassNotFoundException _)
|
|
{
|
|
c = null;
|
|
}
|
|
}
|
|
return c;
|
|
}
|
|
|
|
public URL bootGetResource(String name)
|
|
{
|
|
return findResource(name);
|
|
}
|
|
|
|
public Enumeration bootGetResources(String name) throws IOException
|
|
{
|
|
return findResources(name);
|
|
}
|
|
}
|