RE: [Jython-users] call a java-method from embedded interpreter

[Jeff E. <JEm...@lg...>]

This full example works for me.

MyClass.java:
import javax.swing.JFrame;
public class MyClass implements Runnable{
    public JFrame frame =3D new JFrame();
    public void run() {
      System.out.println("Starting...");
      frame.setSize(200,200);
      frame.show();
    }
}

RunMyClass.java:
import org.python.util.PythonInterpreter;
public class RunMyClass {
  public static void main(String[] args){
    PythonInterpreter interp=3Dnew PythonInterpreter();
    MyClass obj1 =3D new MyClass();
    interp.set("obj1",obj1);
    MyClass myObject =3D (MyClass)interp.get("obj1",MyClass.class);
    myObject.run();
  }
}

-----Original Message-----
From: Kay [mailto:ka...@gm...]
Sent: Tuesday, October 14, 2003 6:50 AM
To: jyt...@li...; Jeff Emanuel
Subject: AW: [Jython-users] call a java-method from embedded =
interpreter



Thank you for your answers. Now i know where the mistake is.
The way you show, only works if the java-method is declared
'static'.
But in my example the java-method 'run' is non-static and
causes an error if i start it with the interpreter.

Is there a way to start non-static java-method with the interpreter?

Regards,
Kay


-----Urspr=FCngliche Nachricht-----
Von: Jeff Emanuel [mailto:JEm...@lg...]
Gesendet: Montag, 13. Oktober 2003 17:30
An: 'Kay '
Cc: 'jyt...@li...'
Betreff: RE: [Jython-users] call a java-method from embedded =
interpreter


In addition to what Diez said, you could change

>PyObject pyObject =3D interp.eval("obj1");
>pyObject.__getattr__("run").__call__(); <--- doesn't work?!

to

MyClass myObject =3D (MyClass)interp.get("obj1",MyClass.class);
myObject.run();



-----Original Message-----
From: Kay
To: jyt...@li...
Sent: 10/12/2003 5:58 PM
Subject: [Jython-users] call a java-method from embedded interpreter


Hello!

I want to start the method "run()" (with an embedded interpreter)
from 'MyClass.java', but i'm getting the following exception:

-->
Traceback (innermost last):   (no code object) at line 0 TypeError:
run():
expected 1 args; got 0 <--

... dir() shows "obj1";
The InteractiveConsole starts 'run' without problems!
Do you know, where is the mistake?

Thx!

Regards,
Kay


-=3D> App.java <=3D-
:

Object obj;
:
interp =3D new PythonInterpreter();
interp.set("obj1", obj);
PyObject pyObject =3D interp.eval("obj1");
pyObject.__getattr__("run").__call__(); <--- doesn't work?!

:



-=3D> MyClass.java <=3D-

public class MyClass implements Runnable{

    public JFrame frame =3D new JFrame();


    public void run() {
      System.out.println("Starting...");
      frame.setSize(200,200);
      frame.show();
    }
}

********************************************************************




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