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bootcamp-demo-springboot

  • Depdency: Lombok, Spring Web, DevTools
  • COntroller:
    • Class level Annotation: @Controller + @ResponseBody, @RequestMapping
    • Method level Annotation: @GetMapping -> URI Path
  • API return different types: primitives, wrapper class, String, custom objects
  • application.yml -> server.port
  • JSON <-> CLass interchange design

Summary

  • Global Exception Handler (@RestControllerAdvice)
    • @ExceptionHandler + @ResponseStatus
  • Data Transfer Object (DTO)
    • Objectives: serve API Consumers (DTO = self-defined type)
    • Data object for Receiving API Response (DTO = controlled by API provider)
  • Mapper
    • Self-defined mapper (GovMapper.class)
    • Model Mapper (dependencies)
  • Library (Infa)
    • ApiResponse.class
    • Syscode.class
    • BcUtil.class (utility - static method)
    • BusinessException (Exception Framework - RuntimeException & CheckException)
  • RestTemplate (call external restful API)
    • UriComponentBuilder (host(), path(), toUriString())
  • @Value
    • Read yml config

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