[jdom-interest] questions about org.jdom.ProcessingInstruction
jhunter at collab.net
Tue Sep 12 15:47:26 PDT 2000
> - The "data" portion of a ProcessingInstruction seems to be stored as both a
> String and a Map; is this, in fact, the case?
> - If so, what is the rationale for this, as opposed to just using one or the
Because technically it's a literal String with whitespace and all, but
people most often use it as a map.
> - Would a Map alone suffice to store all the possible "data payloads" a
> processing instruction could legally have?
Nope, you'd lose the option for literal formatting. When you pass in a
Map you're explicitly not caring about formatting.
> - There is a constructor that takes a Map and an internal Map already, but there
> doesn't seem to be any way to get a Map back out from a ProcessingInstruction;
> is this so?
The getValue() provides access to the Map.
> - If yes, what would be the implications of adding a public Map getDataMap()
> method to ProcessingInstruction?
It'd be annoying because to follow the JDOM style it'd have to be
mutable, and I'd rather not get into that.
> If there weren't also a shadow data String,
But there needs to be.
(Sorry for being terse, tons to do today.)
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