Re: [Jython-users] How can I call this function that was compiled with Jython in Java?

[Diego P. <dgp...@gm...>]

Thx, it worked.

Diego

2005/10/5, Bill Woodward <wp...@gm...>:
> On 10/3/05, Diego Prestes <dgp...@gm...> wrote:
> > I don't know if you dont understand me or I don't understand what you
> > said, ehe. What I want is create a java program and that program calls
> > this code that jythonc converts. This classpath that you said is put
> > the jython.jar file in the classpath?
> >
> > thx,
> > Diego
> >
> > 2005/10/3, Hasan Diwan < has...@gm...>:
> > >
> > > On Sep 30, 2005, at 3:01 PM, Diego Prestes wrote:
> > >
> > > > class PluginFunction:
> > > >     def execute( self ):
> > > >         print "HelloWorld"
> > > >
> > > > Someone can help me saying how can I call this in Java?
> > >
> > > Compile using jythonc PluginFunction.py and run using the classpath
> > > the jython compiler gives you. It works here.
> > >
> > > Cheers,
> > > Hasan Diwan <has...@gm...>
> > >
> >
>
>  I'll translate :)  Actually, he was pretty clear, if a bit terse.  The
> jythonc compiler is a tool to convert a Jython file into a Java class.
> There are a few restrictions on the Jython class for it to compile to Jav=
a,
> though.  First, your Jython class must inherit from a Java base class.
> Second, it needs to have some @sig doc strings for any methods that are n=
ot
> overriding methods in the Java base class.  Third, it must be in a file w=
ith
> the same name as the Jython class (just like Java files need to have the
> same name as the public Java class they contain).
>
>  All of this is from memory, but I've been re-reading "Jython for Java
> Programmers", and it has a good section on compiling from Jython to Java.
> It also only covers Jython 2.1, so it may be somewhat different with Jyth=
on
> 2.2 (currently in alpha).
>
>  So try this:
>
>  --- begin PluginFunction.py ---
>  class PluginFunction(java.lang.Object):
>      def execute( self ):
>          "@sig public void execute()"
>          print "HelloWorld"
>  --- end PluginFunction.py ---
>
>  And then compile with 'jythonc PluginFunction.py'.  If everything goes
> right, you should get a Java PluginFunction.class (plus an inner class fi=
le,
> something like PluginFunction$_PyInner.class), both contained in the
> 'jpywork' subdirectory.  These can be imported into a Java program and us=
ed
> in the normal manner.
>
>  Hope that helps,
>  - Bill
>
> --
> Bill Woodward     wp...@sa...      http://www.saifa.net
>
> "I have more trouble with D. L. Moody than with any other man I ever met.=
"
> -- D. L. Moody
>         s/D. L. Moody/Bill Woodward/g
>