Architect's Guide
Sep 29, 2026 · Backend Development
Elegant Backend API Design: Unified Response Wrapper with Spring Boot Annotations & AOP
This article walks through designing a clean, unified API response format with categorized error codes, then shows how to automate response wrapping in Spring Boot using a custom @ResponseResult annotation, a handler interceptor, and ResponseBodyAdvice so controllers return plain domain objects while the framework handles consistent JSON serialization.
API DesignControllerAdviceCustom Annotation
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