58 lines
1.5 KiB
Java
58 lines
1.5 KiB
Java
// FirstThread.java - Implementation of very first thread.
|
|
|
|
/* Copyright (C) 1998, 1999, 2000 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 java.util.jar.*;
|
|
|
|
/**
|
|
* @author Tom Tromey <tromey@cygnus.com>
|
|
* @date August 24, 1998
|
|
*/
|
|
|
|
// This is entirely internal to our implementation.
|
|
|
|
final class FirstThread
|
|
{
|
|
public static String getMain (String name)
|
|
{
|
|
String mainName = null;
|
|
try {
|
|
|
|
JarFile j = new JarFile (name);
|
|
|
|
Attributes a = j.getManifest().getMainAttributes();
|
|
|
|
mainName = a.getValue(Attributes.Name.MAIN_CLASS);
|
|
|
|
} catch (Exception e) {
|
|
// empty
|
|
}
|
|
|
|
if (mainName == null)
|
|
System.err.println ("Failed to load Main-Class manifest attribute from\n"
|
|
+ name);
|
|
return mainName;
|
|
}
|
|
|
|
// Private data.
|
|
private Class klass;
|
|
private String klass_name;
|
|
private Object args;
|
|
|
|
// If the user links statically then we need to ensure that these
|
|
// classes are linked in. Otherwise bootstrapping fails. These
|
|
// classes are only referred to via Class.forName(), so we add an
|
|
// explicit mention of them here.
|
|
static final Class Kcert = java.security.cert.Certificate.class;
|
|
static final Class Kfile = gnu.gcj.protocol.file.Handler.class;
|
|
static final Class Khttp = gnu.gcj.protocol.http.Handler.class;
|
|
static final Class Kjar = gnu.gcj.protocol.jar.Handler.class;
|
|
}
|