Tagged articles

Polymorphic Deserialization

2 articles · Page 1 of 1
LuTiao Programming
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
0 likes · 9 min read
How to Elegantly Handle Dynamic Request Bodies in Spring Boot
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Jun 18, 2025 · Backend Development

Master Polymorphic Deserialization in Spring Boot 3 with Jackson

This tutorial shows how to use Jackson's polymorphic deserialization in Spring Boot 3 to handle variable JSON request bodies by defining a common Order interface, concrete implementations, and a REST controller that routes calculations based on the order type, eliminating redundant endpoints.

Polymorphic DeserializationREST APISpring Boot
0 likes · 6 min read
Master Polymorphic Deserialization in Spring Boot 3 with Jackson