"Templates" Usage

[jason heddings <Ja...@Sun.COM>]

Hello Folks!

  Some of you have asked for an example where I used a "Templates"
object instead of the factory to get Transformer(s).

  In the attached file, I have a "TransformerCache" (which is a little
incorrect, but I didn't want to re-use "TransformerFactory").  The cache
object is responsible for returning Transformer objects.  I am using
this from a servlet, so I wanted to ensure that I always have a new
transformer object for each request (since requests happen in concurrent
threads).  The XSL file may change, so I hash based on that value and
save a new Templates object for a given XSL document.  Creating this
Templates object parses the XSL document so when newTransformer( ) is
called, it doesn't have to parse it again (this is the slowest part of
creating the Transformer in the TransformerFactory.newTransformer(
xslSource ) method).

  So, anyway...  There it is.  Feel free to ask questions, and by all
means, if you have a better way of doing something like this or another
example, I'd love to see it (and I'm sure others would, too!).

'Till later,
--jah
 

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