Thanks Peter. Berin has already suggested this to me but I didn't like
too much as it was an indirect way of testing for existence, like using
Hashtable.get("key") == null instead of Hashtable.containsKey("key")
which better captures the intent. However, that will do for the time
being ... :-)Cheers, -Vincent > -----Original Message----- > From: Peter Royal [mailto:[EMAIL PROTECTED] > Sent: 12 December 2001 20:48 > To: Avalon Developers List > Subject: Re: new method Configuration.containsAttribute() ? > > On Wednesday 12 December 2001 03:37 pm, you wrote: > > I can imagine lots of cases where you would need to verify if an > > attribute exists because you may want to do something different if it > > does than if it does not. > > String value = configuration.getAttribute("attr", null); > > if (value == null) { > //there was no attribute > } else if ("".equals(value)) { > //exists but empty > } else { > //exists and non-empty > } > > -pete > > -- > peter royal -> [EMAIL PROTECTED] > > -- > To unsubscribe, e-mail: <mailto:avalon-dev- > [EMAIL PROTECTED]> > For additional commands, e-mail: <mailto:avalon-dev- > [EMAIL PROTECTED]> > -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
