The pattern matching exception handler Wouter mentioned allows you to throw an
exception from your business tier, that has a pattern like the following:
throw new PersonServiceException("{person.unique.id.required} A unique name
must be specified!").
Then within your custom-resources.properties (which are merged into your
application-resources.properties you'd have the key defined:
person.unique.id.required=Please enter a unique name when attempting to create
a Person.
So when this exception is thrown the pattern matching exception handler checks
to see if it can find a pattern in the exception message "{some.key}". If it
can, it, it extracts and looks up the key from the message resources and saves
the message which is then shown as a struts error to the client. If the pattern
is not found, the exception is propagated up to the client as usual.
--
Chad Brandon - [EMAIL PROTECTED]
http://www.andromda.org
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