More precisely

def z = null
z?.doIt()

does not throw a nullpointer, just returns null.
don't know if this is what you got for objective-c but it's still pretty nice.

regards

cornelius


On 07.09.2007, at 22:57, Cornelius Jaeger wrote:

Or use WOGroovy and do it the groovy way:

Groovy has a safe dereference operator ?.
http://groovy.codehaus.org/Null+Object+Pattern

many regards

Cornelius

On 07.09.2007, at 22:00, Kieran Kelleher wrote:

And if you want to save yourself the PITA, just throw in apache commons lang jar into your own foundation framework and use the many useful standardized utilities that are in there:
http://commons.apache.org/lang/

For example check out StringUtilis.isBlank(...) and StringUtils.isEmpty(...) at
http://commons.apache.org/lang/api-release/index.html

regards, Kieran


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