Hi Devin,
I think the 'replaceNull' function is what you are looking for. For example:
${ greeting:replaceNull('hello'):length():gt(5) }
You can find the documentation for this function at
http://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#replacenull
<http://nifi.apache.org/docs/nifi-docs/html/expression-language-guide.html#replacenull>
Thanks
-Mark
> On May 3, 2016, at 6:27 AM, Devin Fisher <[email protected]>
> wrote:
>
> I'm looking for the ability similar to the 'getOrDefault'[1] in the Java Map
> class. I would like to access an attribute if the flow file has it but be
> able to define a default if it don't. I've looked over the doc and can't find
> a way to do it and wanted to see if someone else has done it.
>
> Devin
>
> [1]
> https://docs.oracle.com/javase/8/docs/api/java/util/Map.html#getOrDefault-java.lang.Object-V-
>
> <https://docs.oracle.com/javase/8/docs/api/java/util/Map.html#getOrDefault-java.lang.Object-V->
