Ok. I was just reading the javadoc and interpreting "member" to mean
"non-static". I have not tried reflection on a static method to know
exactly what's required.
john mcnally
Age Mooy wrote:
>
> I think that's only necessary if you want a non-public method. I don't exactly know
>in which cases the
> SecurityManager allows you to get or invoke non-public Method objects
>
> Age
>
> > I think you may have to use
> >
> > Method method = peerClass.getDeclaredMethod("doSelect", types).
> >
> > john mcnally
> >
> > Age Mooy wrote:
> > >
> > > Static methods can be invoked with a null object reference.
> > > It would look something like this:
> > >
> > > String className = "com.mywebsite.application. " + tablename + "Peer";
> > >
> > > Class[] types = new Class[] {Criteria.class};
> > > Object[] parameters = new Object[] {new Criteria()};
> > >
> > > Class peerClass = Class.forName(className);
> > > Method select = peerClass.getMethod("doSelect", types);
> > >
> > > List results = (List) m.invoke(null, parameters);
> > >
> > > Untested of course but it should be close.
> > > Age
> > >
> > > > -----Original Message-----
> > > > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> > > > John McNally
> > > > Sent: Friday, September 21, 2001 17:33
> > > > To: [EMAIL PROTECTED]
> > > > Subject: Re: Get static instance of Peer dynamically
> > > >
> > > >
> > > > I am not an expert using reflection but I think you will need to get an
> > > > instance to pass to the Method.invoke command whether the method is
> > > > static or not. Is there some other way to invoke the method? It seems
> > > > like there should be so that you could use reflection on an abstract
> > > > class. It is not required in the case of Peers however since nothing
> > > > prevents you from getting an instance of the class. You should be able
> > > > to invoke the method regardless of it being static.
> > > >
> > > > john mcnally
> > > >
> > > > John Colvin wrote:
> > > > >
> > > > > Hi
> > > > > Is there a way that I can get a static instance of a peer class by using
>Class.forName() or a
> > > > class loader. I am writing an application that contructs simple forms for
>updating databases
> > > > dynamically by reading the database Map, TableMap and ColumnMaps an generating
>the forms on the fly.
> > > > >
> > > > > When I come to do a select/update/delete I would like to load a static
>instance by constructing a
> > > > string for the class name and then load this class statically.
> > > > >
> > > > > ie from this :
> > > > >
> > > > > String class name = "com.mywebsite.application. " + tablename + "Peer";
> > > > >
> > > > > I know how to get an instance but I want the class as a static as the peer
>methods are static and
> > > > I would like to call them.
> > > > >
> > > > > Rgrds
> > > > > John
> > > > >
> > > > > ---
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