공통 response body modify

ResponseBodyAdvice.kt

@org.springframework.web.bind.annotation.RestControllerAdvice
class RestControllerAdvice<T>(

) : ResponseBodyAdvice<T>{

    private val log = KotlinLogging.logger {  }

    override fun supports(returnType: MethodParameter, converterType: Class<out HttpMessageConverter<*>>): Boolean {
        //log.info { "returnType:  $returnType" }
        return true
    }

    override fun beforeBodyWrite(
        body: T?,
        returnType: MethodParameter,
        selectedContentType: MediaType,
        selectedConverterType: Class<out HttpMessageConverter<*>>,
        request: ServerHttpRequest,
        response: ServerHttpResponse
    ): T? {

        return if (body is CMResDto<*>){
            //type casting 생략가눙
            val apiVersion = request.uri.path.split("/").first { it.isNotEmpty() }

            log.info { """
                               
                body: $body           
                request: ${request.uri.path}                                                             
                api version: $apiVersion
                                       
            """.trimIndent() }
            body.reflectVersion(apiVersion)
            body
        }else{
            body
        }
    }

}

data class CMResDto<T>(
    var resultCode: T,
    var resultMsg: String,
    var data: T

){
    fun reflectVersion(version: String){
        this.resultMsg = "version:$version / ${this.resultMsg}"
    }

    enum class ResultCode{
        
    }

}