Re: [Springframework-developer] JasperReports Support

[<jue...@we...>]

Hi Patrick,
=20
I assume you're referring to the JasperReportsUtils class here, as the =
web view support does not require explicit exception handling in the =
first place.
=20
That utility class is meant to be used for non-web usage of =
JasperReports, analogous to our existing VelocityEngineUtils and =
FreeMarkerTemplateUtils classes. Like the latter two, it throws the =
native exception of the respective tool.
=20
In application code, such exceptions are supposed to be wrapped in =
context-sensitive exceptions, for example MailPreparationException if =
preparing mail context for use with Spring's mail support. Failure to =
render templates should always result in meaningful error message for =
the user, for example "could not generate annual report data for report =
mail", instead of some "invalid expression in template file xxx" =
message.
=20
Of course, one could argue that generic RuntimeExceptions wouldn't hurt =
here either. Usually template/report rendering is part of a larger =
operation, though, so wrapping in a context-sensitive exception should =
be a natural thing to do.
=20
Juergen
=20

________________________________

Von: spr...@li... im Auftrag =
von Patrick Burleson
Gesendet: Di 21.12.2004 22:15
An: spr...@li...
Betreff: [Springframework-developer] JasperReports Support



So I was checking out the JasperReports support stuff in 1.1.3. Good
work there. My only question is, why not wrap JS's checked Exception
with a RuntimeException? JS Execptions don't seem to be too
recoverable.

Patrick


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