Pare de usar isEmpty() e isBlank() em seus Controllers Spring Boot

📰 Dev.to · Isac Canedo

Learn why manual validation in Spring Boot controllers is a code smell and how to resolve it using Bean Validation

intermediate Published 13 Mar 2026
Action Steps
  1. Stop using isEmpty() and isBlank() in your controllers
  2. Use Bean Validation annotations like @NotNull and @NotBlank to validate fields
  3. Configure a Validator bean in your Spring Boot application
  4. Apply validation to your controller methods using @Valid annotation
  5. Test your validation configuration to ensure it's working as expected
Who Needs to Know This

Backend developers and Spring Boot developers can benefit from this lesson to improve their coding practices and reduce code smells in their controllers

Key Insight

💡 Manual validation in controllers is a code smell that can be resolved using Bean Validation

Share This
💡 Ditch manual validation in your Spring Boot controllers and use Bean Validation instead!

Key Takeaways

Learn why manual validation in Spring Boot controllers is a code smell and how to resolve it using Bean Validation

Full Article

Por que a validação manual nos controllers é um code smell e como resolver usando Bean Validation.
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