Bundle a NullTool in velocity Tools
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Key: VELTOOLS-139
URL: https://issues.apache.org/jira/browse/VELTOOLS-139
Project: Velocity Tools
Issue Type: Wish
Components: GenericTools
Affects Versions: 2.0
Reporter: Vincent Massol
Right now, in order to check for null we have to use:
{code}#if ((! $var) && ("$!var" == "")){code}
which is painful when you have lots of checks to do in several places.
It would be nice either to have better null check support in velocity core or
to bundle to NullTool in Velocity Tools:
http://wiki.apache.org/velocity/NullTool
I checked the user guide and googled around and couldn't find any simple way to
check for null except using an undefined variable which I find way too magical
and dangerous (what if someone defines that variable in the context).
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