Re: Override standard class

From:
Mark Space <markspace@sbc.global.net>
Newsgroups:
comp.lang.java.help
Date:
Thu, 08 Nov 2007 14:05:07 -0800
Message-ID:
<sKLYi.1193$sm1.663@nlpi068.nbdc.sbc.com>
Berk Birand wrote:

the default class, but that wasn't a success. Can you tell me how I would
go about making this change? Should I try an alternative approach to
achieve the same thing?


I *think* you have to define your own class loader, and then use that to
load your Xerces class. The default classloader will always look in
rt.jar first, so you can't get around this.

Wiser heads than I may have other ideas. If you're not familiar with
classloaders, you can google for the tutorial on Sun's site.

What you are attempting sounds rather dangerous, from a "going to blow
up in unexpected ways" perspective. It also sounds like a maintenance
nightmare. You should try just about anything before subverting the
normal classloading sequence. It may be more work but more robust in
the future to do something else. You may want to tell us why you want
to substitute your own class, since there's almost certainly a easier
way to accomplish what ever it is you think you trying to do.

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