[jdom-interest] Deprecating hasChildren()

[Jason Hunter]

if (elt.getChildren().size() == 0)

-jh-

Elliotte Rusty Harold wrote:
> 
> At 3:50 AM -0400 5/11/02, cvs at jools.org wrote:
> >Deprecated elt.hasChildren() because it's not a performance optimization
> >anymore.  This helps simplify the most complicated class around.
> >
> 
> I have one use-case for that method that doesn't involve
> optimization. Consider this street element:
> 
> <street>135 Airline Highway <apartment>2B</apartment></street>
> 
> getText() returns "135 Airline Highway ". The content in the child
> apartment element is completely lost. Before you can reliably use any
> of the getText()/getTextTrim()/ getTextNormalize() methods you need
> to be very sure that the element does not have any child elements.
> One way to do this is to test with hasChildren() before invoking the
> text getter. For example,
> 
> if (!element.hasChildren()) {
>     String result = element.getText();
>     // work with result Š
> }
> else {
>    // do something more complex Š
> }
> --
> 
> +-----------------------+------------------------+-------------------+
> | Elliotte Rusty Harold | elharo at metalab.unc.edu | Writer/Programmer |
> +-----------------------+------------------------+-------------------+
> |          The XML Bible, 2nd Edition (Hungry Minds, 2001)           |
> |             http://www.cafeconleche.org/books/bible2/              |
> |   http://www.amazon.com/exec/obidos/ISBN=0764547607/cafeaulaitA/   |
> +----------------------------------+---------------------------------+
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> |  Read Cafe con Leche for XML News: http://www.cafeconleche.org/    |
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