Hi all,

Here is perhaps a naïve question with an obvious answer.

I would like to extend the flexibility of our implementation by retrieving 
images through a servlet that is protected.  We can do this by appending a 
token to the end of our URL.  I would like to do this without requiring a 
change to the xml  that is being passed to our application.  I have the 
authenticating token available to me, and I have already implemented a custom 
ResourceResolver, and thought to add the token there, however, the 
ResourceResolver is associated with the FOPFactoryBuilder and does not change 
from one call to the next, whereas the token does.

The example I have is something like:

<fo:external-graphic src="{$img}"

$img is just a path to a file

The basedir gets prepended to that, in this case, http://host/imageservlet/

What I would like to end up with is something like


Any ideas?

A custom FOEventHandler?

A custom DocumentHandler?  I would just need to override the endElement and 
then pass control back to the super method.

Or is there a simple way to do a transform on the xml before handing off to FOP?


Carl Buxbaum
Bamboo Rose LLC
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