How to catch Controller::loadModel/ClassRegistry::init errors

Hello,

I had today to iterate through the full list of models of my app and
instantiate them on the fly, and I were hit by a little problem. When
trying to load a model (using Controller::loadModel or
ClassRegistry::init) that is not linked to a table in the database
(like AppModel for example) I get an Error : Missing Table page and my
script stopped.

I had to manually exclude models I knew to not have tables in the DB,
but I was wondering if there was a cleaner way to catch the error and
not loading those models ? Basically I have the full list of models
from the Configure::listObjects('model') method and would have loved
to iterate through it and dismiss any faulty model.

I'm not very familiar with error catching and all the try/catch/
exception stuff so maybe my question is more PHP-specific than cake-
specific, but if someone can point me in the right direction, it would
be appreciated.

Thanks
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