Re: Handling null values

Friday, August 15, 2008, 2:23:17 PM, koevet wrote:

> Hello, I have just started using Freemarker.
>
> I have a basic problem. How do I set the template to handle null values of
> an int field of a pojo as String and display no values? 
> Currently my template looks like:
>
> Event: "${event.eventSource!""}","${event.eventType!""}
>
> eventType is a int field of a pojo. If the field is null, Freemarker
> displays 0 (default for int). I would like to change the behavior to display
> an empty String. And no, I can't change the type to Integer.

The ${event.eventSource!""} expression clearly tells FreeMarker that
the default value is an empty string, not 0. Also, FreeMarker nowhere
uses 0 as default for numbers. So, I guess, the interpretation of the
missing value as 0 happens on some other level.

> Thanks
> Luciano

-- 
Best regards,
 Daniel Dekany


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