RE: `RE: [Cxtable-devel] Uncategorized....

[Williams, D. <DAV...@ca...>]

Hence, my laziness, and every class under the sun being in one directory ;-)

~Dave


David Scott Williams
Computer Associates
Marketing Representative-Sales Call Center
One Computer Associates Plaza 
Islandia, New York  11749
tel: +1 800-243-9462 ext. 73431
tel: +1 631-342-3431 (Direct)
fax: +1 631-342-5734
wi...@ca...






-----Original Message-----
From: Borne J. Goodman-Mace [mailto:bj...@pe...]
Sent: Wednesday, December 12, 2001 11:24 PM
To: Williams, David
Subject: Re: `RE: [Cxtable-devel] Uncategorized....


If your classpath was this :

CLASSPATH="c:\windows".

then you would access a class file named Test.class in the
c:\windows\desktop directory by calling it "desktop.Test".

There is a great difference between a jar file being in your class path
and a directory being in the classpath.

if Test.class was in a jar called test.jar in the c:\windows\desktop
directory, then test.jar would need to be in your CLASSPATH, and it
would be accessed simply by the name "Test".  You can of course have a
directory structure within a jar file, and then the name of Test.class
might be different.

I hope this made things slightly clearer rather than more complicated
for you :)

--bjgm

On Wed, 2001-12-12 at 18:18, Williams, David wrote:
> Does that then mean that..
> 
> c:\windows 
> 
> being in the classpath does not mean that c:\windows\desktop is in the claspath...right?
> 
> Do you have access to that byte-stream classloader?  Maybe we could read the file in a "bytes" and instantiate it at run-time that way...
> 
> 
> David Scott Williams
> Computer Associates
> Marketing Representative-Sales Call Center
> One Computer Associates Plaza 
> Islandia, New York  11749
> tel: +1 800-243-9462 ext. 73431
> tel: +1 631-342-3431 (Direct)
> fax: +1 631-342-5734
> wi...@ca...
> 
> 
> 
> 
> 
> 
> -----Original Message-----
> From: Borne Goodman-Mace [mailto:bm...@eg...]
> Sent: Wednesday, December 12, 2001 5:59 PM
> To: Williams, David
> Subject: RE: [Cxtable-devel] Uncategorized....
> 
> 
> There are ways to ClassLoad classes which are not in our current
> classpath.  I once wrote a ClassLoader myself which pulled classes as
> byte streams over a network connection and instantiated them at
> run-time.  I believe there is also a way to set the ClassLoader path at
> run-time, but I am not 100% sure on that.  It would be optimal though
> for the classes being instantiated to be in the classpath at the time
> that the VM started up.  This could be done by having a script that sets
> the classpath based on the .jar files in a particular directory, or a
> slew of other ways.
> 
> --bjgm
> 
> On Wed, 2001-12-12 at 15:40, Williams, David wrote:
> > That brings up yet another question...
> > 
> > If there is a folder.
> > 
> > cxtable\
> > 
> > And there is a folder
> > cxtable\bin\
> > 
> > And there is a folder 
> > cxtable\plugins\
> > 
> > What if the classpath is NOT set right?  Is there a way for the program to access plugins dynamically, using "..\..\FOLDER\" as its path to load the class?
> > 
> 
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