Charles Fineman created LANG-1378:
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Summary: Conditional expansion (variation of default value syntax)
Key: LANG-1378
URL: https://issues.apache.org/jira/browse/LANG-1378
Project: Commons Lang
Issue Type: Improvement
Components: lang.text.*
Affects Versions: 3.7
Reporter: Charles Fineman
Fix For: 3.8
I'd like to propose an extension to the current syntax (and would consider
submitting a PR for it if folks are in favor of the proposal)
There is currently support for: ${undefined.number:-1234567890}
I'm proposing adding: ${defined.number:?The number is ${defined.number}}
My quick glance of the recursive interpolation makes me feel this would be
relatively straightforward.
Curious when the next version would be released (I asked because I could
actually make use of this in something I'm working on right now)
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