RE: Loading Classes from Tables

my own guidance for writing a custom classloader was an article on freshmeat.net

http://freshmeat.net/articles/view/1643/ 

> -----Original Message-----
> From: java400-l-bounces@xxxxxxxxxxxx 
> [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Anand, Rajesh
> Sent: Monday, January 09, 2006 10:29 AM
> To: Java Programming on and around the iSeries / AS400
> Subject: RE: Loading Classes from Tables
> 
> Mihael,
> 
>       Do you mind sending us folks, not familiar with custom class
> loading, a copy of your sample code??
> 
>       Many Thanks, 
> 
> Rajesh Anand
> Email:Rajesh_anand@xxxxxx
> 
> 
> -----Original Message-----
> From: java400-l-bounces@xxxxxxxxxxxx
> [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Knezevic, Mihael
> Sent: 09 January 2006 06:53
> To: Java Programming on and around the iSeries / AS400
> Subject: RE: Loading Classes from Tables
> 
> 
> is the problem the storing or the loading of classes in/from the
> database?
> 
> for the loading you would have to write your own classloader.
> class loading is rather simple to implement. 
> just done that (though not from a db but that shouldn't be 
> the problem).
> 
> 
> one thing to keep in mind is that the bootstrap classloader 
> doesn't know
> anything about the classes you load with your custom classloader. so
> with if you try to use the Class.forName() method you should also pass
> the custom classloader.
> 
> storing the class file in a blob column shouldn't either be a problem.
> 
> 
> 
> > -----Original Message-----
> > From: java400-l-bounces@xxxxxxxxxxxx 
> > [mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of Walden 
> > H. Leverich
> > Sent: Friday, January 06, 2006 7:43 PM
> > To: Java Programming on and around the iSeries / AS400
> > Subject: Loading Classes from Tables
> > 
> > I want to store some classes in a table, specifically a blob 
> > column in a
> > table and then load them at run time from the table. 
> >  
> > According to the spec, I can then create a class at runtime by
> > retrieving the blob as a byte array and then calling defineClass()
> > passing it the byte array and then resolveClass() and passing it the
> > class.
> >  
> > Has anyone done this before? I assume the iSeries JVM has no problem
> > with this, but I'd love to know I'm not going down a dead end.
> >  
> > -Walden
> >  
> > ------------
> > Walden H Leverich III
> > Tech Software
> > (516) 627-3800 x3051
> > WaldenL@xxxxxxxxxxxxxxx
> > http://www.TechSoftInc.com
> > <blocked::blocked::http://www.techsoftinc.com/> 
> > 
> > Quiquid latine dictum sit altum viditur.
> > (Whatever is said in Latin seems profound.)
> > 
> >  
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