Handling null values in Freemarker

Question

How to handle null values in Freemarker? I get some exceptions in the template when null values are present in data.

Answer 1

If you have a lot of variables to convert in optional, you can use SubimeText with this:

Find: \${([A-Za-z_0-9]*)}
Replace: \$\{${1}!\}

Be sure regex and case-sensitive options are enabled: