[jdom-interest] Fast Factory

[Vadim Strizhevsky]

Elliotte Rusty Harold wrote:
> 
> At 7:07 AM -0400 5/27/03, Rolf Lear wrote:
> 
> I am struggling to think of circumstances where sub-classing makes sense.
> 
> There are three prime reasons for subclassing:
> 
> 1. To change the storage model; e.g. to sit JDOM on top of an
> underlying native XML database.
> 
> 2. To add additional methods that are useful in the local
> environment, but are not present in JDOM; e.g.
> verifyElementAgainstDatabase or readElementAsInt
> 
> 3. To make more specific classes for a specific application, e.g.
> HTMLPElement, HTMLDivElement, HTMLTableElement, etc.

4. Make JDOM tree a model and add event notification when tree is
modified.

-Vadim


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