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README.md

Backstopper - jackson

Backstopper is a framework-agnostic API error handling and (optional) model validation solution for Java 17 and greater.

(NOTE: The Backstopper 1.x branch contains a version of Backstopper for Java 7+, and for the javax ecosystem. The current Backstopper supports Java 17+ and the jakarta ecosystem.)

This library contains some helper classes for working in an environment that uses Jackson with Backstopper.

Helper classes

  • JsonUtilWithDefaultErrorContractDTOSupport - A general-purpose JSON serializer that has built-in support for the default Backstopper error contract DTO. In particular:
    • If an error code is parseable to an integer then the JSON field for that error code will be serialized as a number rather than a string.
    • If an error has an empty metadata section then it will be omitted from the serialized JSON.
    • You can create a Jackson ObjectMapper with any combination of the above rules turned on or off by using the generateErrorContractObjectMapper(...) static factory method.

More Info

See the base project README.md, User Guide, and Backstopper repository source code and javadocs for all further information.

License

Backstopper is released under the Apache License, Version 2.0