NIFI-14155 Improve ObjectMapper handling in TokenParserFactory

[exceptionfactory]

Summary

NIFI-14155 Improves handling of the Jackson ObjectMapper in the TokenParserFactory interface and associated implementations. Improvements include refactoring the interface definition to remove configuration variables so that ObjectMapper and JsonFactory instances can be reused.

The refactored approach applies to JSON and YAML Record Readers as well as the Record Transform Proxy for Python Record Processors. The revised implementation creates instances of ObjectMapper with configured Stream Read Constraints on Controller Service enabling. With thread safety provided in JsonFactory and ObjectMapper, reusing these objects improves performance for repeated processing operations.

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  • JDK 21

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