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/* Copyright (C) 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.java.net.loader;
import gnu.gcj.runtime.SharedLibHelper;
import java.io.InputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.net.URLConnection;
import java.net.URLStreamHandlerFactory;
/**
* A <code>Load_gcjlib</code> is a type of <code>URLLoader</code>
* that loads classes and resources from a shared library.
*/
public final class Load_gcjlib extends URLLoader
{
private SharedLibHelper helper;
public Load_gcjlib(URLClassLoader classloader,
URLStreamHandlerCache cache,
URLStreamHandlerFactory factory,
URL url, URL absoluteUrl)
{
super(classloader, cache, factory, url, absoluteUrl);
helper = SharedLibHelper.findHelper(classloader, url.getFile(),
noCertCodeSource, true);
}
public Class getClass(String className)
{
return helper.findClass(className);
}
public Resource getResource(String name)
{
URL url = helper.findResource(name);
if (url == null)
return null;
return new SoResource(this, url);
}
final static class SoResource extends Resource
{
private final URL url;
SoResource(Load_gcjlib loader, URL url)
{
super(loader);
this.url = url;
}
public InputStream getInputStream() throws IOException
{
URLConnection conn = url.openConnection();
return conn.getInputStream();
}
public int getLength()
{
// FIXME we could find this by asking the core object.
return -1;
}
public URL getURL ()
{
return url;
}
}
}
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