What is the lexically correct statement in Velocity Template Language

StackOverflow https://stackoverflow.com/questions/3588891

  •  01-10-2019
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Question

The following line of code is a generic version of a line in a template I'm working on. I have looked at the Velocity Template Language Documentation but I keep getting errors no matter how I format this statement. This is my first real experience with VTL so I was hoping to get a set of experienced eyes on the issue: 

#set($includeAttributes = 
   ${firstResponseItem.attribute1} != null || 
   ${firstResponseItem.attribute2 != null)
Was it helpful?

Solution

There is no null in Velocity, but you can check for a null value as if it was boolean false:

#set($includeAttributes = $firstResponseItem.attribute1 || $firstResponseItem.attribute2)
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