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Article #18682

Re: How to know the caller of a method?

#18682
From: Regis Eloi
Date: Sun, 17 May 1998 00:00
42 lines
1907 bytes
soklay wrote:

> Hi all,
>
> Anyone knows whether there any way to know who is/are the
> caller(s) of a method during run-time? In a method, I would
> like to get hold of the string name of the class and method
> which calls it. Else, is it possible to, in a method, get hold
> if the name of itself and the name of the class it is declared
> in at run-rime?
>
> Any help very much appreciated.

I don't really understand what you're trying to do, but if the following
can help you...You can't know the caller, except if you pass it as a
parameter.
Class A {
  B b = B();
  b.myMethod(...,this);
}
Class B {
  void my Method(...,Object o) {
  //now we've got the caller, we can get the class and therfore the name
of the class
  Class c = o.getClass();
  String s = c.getName();    // s = "A"
}

Get the name of the method is a little bit more complex. Try to read
about the class java.lang.Class.

Hope that helps.
Regis
--
________________________________________________________________________

 Regis Eloi       mailto:R.Eloi@dcs.hull.ac.uk
 The University of Hull (England) - Department of Computer Science
 Institut d'Informatique d'Entreprise (France)
 My CV is on the Web at http://www-eleves.iie.cnam.fr/eloi/cv_en.html
________________________________________________________________________
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From: Regis Eloi <R.Eloi@dcs.hull.ac.uk>
Subject: Re: How to know the caller of a method?
Date: 1998/05/17
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