Re: [Jython-users] Getting Java interface information from a Java class in Jython

[Jeff E. <jem...@fr...>]

If I have a reference to a java object, I often
issue these sorts of commands.  They are a
cross between Python and Java reflection and
a bit quicker to type than the raw reflection API.

dir(obj.class)
dir(obj.class.superclass)
obj.class.interfaces
dir(obj.class.interfaces[1])
obj.class.declaredMethods
obj.class.someMethod.argslist
obj.class.interfaces[1].anotherMethod.argslist[0].data



Bill Woodward wrote:
> Good morning,
> 
> I'm using Jython 2.2a1 to do some client-side testing of a J2EE
> application on a somewhat more obscure J2EE application server.  In
> Jython, I am able to obtain an object from JNDI and call methods on it
> in Jython, very nicely, thank you very much.  However, when I try to
> turn that Jython code into some server-side Java code, I'm running
> into a problem.  In Jython, I can look at the class (using "<object
> name>.__class__"), as well as getting method and variable information
> about the class (using "dir(<object name>.__class__)"), but the actual
> Java class that is listed is an 'Impl' class.
> 
> In order to use this object in Java, I need to know what interface to
> cast it to.  The application server is not well documented in this
> area, and I'm having trouble finding out what the Java interface is. 
> Is there any way in Jython to obtain the interface(s) that class
> implements?  Or should I use the Java reflection classes to get it?
> 
> TIA,
> - 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
> 
> 
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