42 lines
1.1 KiB
Java
42 lines
1.1 KiB
Java
|
// Show a value given class name and constant name.
|
||
|
|
|
||
|
|
/* Copyright (C) 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. */
|
||
|
|
|
||
|
|
/* Written by Tom Tromey <tromey@redhat.com>. */
|
||
|
|
|
||
|
|
// Use like this to print a `static final' value (integers only, not
|
||
|
|
// strings yet):
|
||
|
|
// java showval java.awt.geom.AffineTransform.TYPE_IDENTITY
|
||
|
|
// Prints result like:
|
||
|
|
// TYPE_IDENTITY = 0
|
||
|
|
// In conjunction with a keyboard macro you can do a number of
|
||
|
|
// constants very easily.
|
||
|
|
|
||
|
|
import java.lang.reflect.*;
|
||
|
|
|
||
|
|
public class showval
|
||
|
|
{
|
||
|
|
public static void main (String[] args)
|
||
|
|
{
|
||
|
|
int ch = args[0].lastIndexOf ('.');
|
||
|
|
String className = args[0].substring (0, ch);
|
||
|
|
String constName = args[0].substring (ch + 1);
|
||
|
|
try
|
||
|
|
{
|
||
|
|
Class klass = Class.forName (className);
|
||
|
|
Field field = klass.getField (constName);
|
||
|
|
System.out.println (constName + " = " + field.getInt (null));
|
||
|
|
}
|
||
|
|
catch (Throwable _)
|
||
|
|
{
|
||
|
|
System.out.println (_);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|