I have the following use case :

I have an application that adds custom menus and actions to openoffice
writer - and lets the user mark up text fragments on a standard
openoffice document.

The ODF document subsequently undergoes transformation into an
intermediary xml format (stage -1) - and this intermediary xml format
is subsequently processed and transformed further into the final XML
output. (stage -2)

Usually there are transformation errors related to mistakes the user
made while marking up the word processor document - these errors can
come up either during stage-1 or stage-2. Currently the system returns
an ugly saxon transform exception and exits. I want to be able to
provide friendly and useful error messages to the user marking up the
word processor document so it can be easy for him/her to correct the
error in the document.

(i.e. 'please mark up the title in section 32' instead of
'TransformerException ...' ) - I was thinking of having an error
management layer that maps every saxon message to a corresponding
friendly message and displaying the more meaningful error to the user
editing the document in openoffice.

Is there a better way of doing this  ? any ideas / suggestions ?

thanks

Ashok

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