Yeah, i was reading about that one. But it's only in the Sun VMs and
probably subject to change.
But hey, I just listed this as an exercise. It just shows the
difference between checked and unchecked is one little byte. :)
On Aug 26, 1:44 pm, Marcelo Fukushima <takesh...@gmail.com> wrote:
> theres also a throwException(Throwable) in sun.misc.Unsafe - though to
> use that you really have to want to
>
> On Wed, Aug 26, 2009 at 12:30 AM, Christian
>
>
>
>
>
> Catchpole<christ...@catchpole.net> wrote:
>
> > Compile this.. (any package you like, or no package at all)
>
> > public class Rethrow {
> > public static void unchecked(Throwable t) {
> > t=t;
> > }
> > }
>
> > javap reports the byte code as..
>
> > public static void unchecked(java.lang.Throwable);
> > Code:
> > Stack=1, Locals=1, Args_size=1
> > 0: aload_0
> > 1: astore_0
> > 2: return
>
> > which in hex is:
>
> > 2A 4B B1
>
> > open the class file in the hex editor, search for that and change it
> > to:
>
> > 2A BF B1
>
> > javap now reports the byte code as..
>
> > public static void unchecked(java.lang.Throwable);
> > Code:
> > Stack=1, Locals=1, Args_size=1
> > 0: aload_0
> > 1: athrow
> > 2: return
>
> > jar that class up or otherwise protect it from re-write.
>
> > In your code you can now call this without wrapping with a runtime
> > exception. And the stack trace is still that of the original
> > exception.
>
> > } catch(Exception e) {
> > Rethrow.unchecked(e);
> > }
>
> > Obviously, use at your own risk. No warrenties etc. :)
>
> --http://mapsdev.blogspot.com/
> Marcelo Takeshi Fukushima
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