I need to create a POST endpoint that accepts a CSV file of DTOs.

How do I achieve it?

Spring Web can automatically convert JSONs to my custom objects, so I don't have to accept a string and then parse it myself. Can Spring Web do the same thing for CSVs? Or do I have to actually accept a file and then parse it manually myself (probably using some external library, like Apache Commons Csv)?

// what I want to work but what apparently doesn't    @PostMapping(path = "/batch", consumes = "text/csv")    public ResponseEntity<Void> postSocksBatch(List<SocksRequestDto> socksRequestDtos) {        socksRequestDtos.forEach(socksService::save);        return ResponseEntity.status(HttpStatus.CREATED).build();    }

Attempt 1

I got 415 Unsupported Media Type

    @PostMapping(path = "/batch", consumes = "text/csv")    public ResponseEntity<Void> postSocksBatch(@RequestBody Object file) {

curl --location 'http://localhost:8080/api/socks/batch' \--header 'Content-Type: text/csv' \--data-binary '@/C:/Users/nadch/OneDrive/Рабочийстол/socks.csv'

Attepmt 2

500 Internal Server Error

    @PostMapping(path = "/batch", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)    public ResponseEntity<Void> postSocksBatch(@RequestBody MultipartFile file) {

curl --location 'http://localhost:8080/api/socks/batch' \--header 'Content-Type: multipart/form-data' \--data-binary '@/C:/Users/nadch/OneDrive/Рабочийстол/socks.csv'

org.apache.tomcat.util.http.fileupload.FileUploadException: the request was rejected because no multipart boundary was found

LettingContent-Type blank resulted in 415