Raman Gupta created LOG4J2-3119:
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Summary: Create a SubstitutionResolver for JsonTemplateLayout
Key: LOG4J2-3119
URL: https://issues.apache.org/jira/browse/LOG4J2-3119
Project: Log4j 2
Issue Type: Improvement
Components: JsonTemplateLayout
Reporter: Raman Gupta
A "SubstitutionResolver" for JsonTemplateLayout would be useful.
This resolver would be combined with another resolver, and would allow for
"mapping" values output by another resolver to different values.
For example, a SubstitutionResolver could map a level resolver output from WARN
to WARNING.
A simple text mapping (perhaps with a case-insensitive flag), with pass-through
for unsubstituted values, would probably be the best approach. More complicated
scenarios could be addressed with another resolver e.g. RegexReplaceResolver.
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