Aspect-oriented Programming (AOP) enhances modularization by enabling additional behavior to be added to existing code without modifications. This article discusses using AOP with AspectJ in Spring to automatically delete sensitive information after processing an HTTP 200 response. The scenario involves using a CardInfo entity that must not be stored long-term. While there are other solutions such as HandlerInterceptor or OncePerRequestFilter, AOP provides a simpler, more maintainable solution to this common problem. AOP serves as middleware that complements Spring, allowing developers to focus on business logic.
Aspect-oriented Programming (AOP) allows developers to add functionality to existing code in a modular way, improving code maintainability and addressing cross-cutting concerns.
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