LuTiao Programming
Mar 1, 2026 · Backend Development
How to Elegantly Handle Dynamic Request Bodies in Spring Boot
This article explains why using a fixed DTO for a constantly changing /orders endpoint is problematic, compares simple Map and JsonNode approaches, and presents a robust polymorphic @JsonTypeInfo solution that provides type safety, IDE support, and easy extensibility.
Dynamic JSONJsonNodePolymorphic Deserialization
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