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Diffstat (limited to 'libjava/scripts/showval.java')
-rw-r--r-- | libjava/scripts/showval.java | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/libjava/scripts/showval.java b/libjava/scripts/showval.java new file mode 100644 index 00000000000..dca399f89f9 --- /dev/null +++ b/libjava/scripts/showval.java @@ -0,0 +1,41 @@ +// 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 (_); + } + } +} |