correct upload

snip.txt

import io.swagger.v3.oas.annotations.Operation
import io.swagger.v3.oas.annotations.media.Content
import io.swagger.v3.oas.annotations.media.Schema
import io.swagger.v3.oas.annotations.parameters.RequestBody
import org.springframework.http.MediaType
import org.springframework.web.bind.annotation.*
import org.springframework.web.multipart.MultipartFile
import java.util.zip.ZipInputStream

@RestController
@RequestMapping("/api")
class ZipController {

    @Operation(
        summary = "Upload zip file and list contents",
        requestBody = RequestBody(
            required = true,
            content = [Content(
                mediaType = MediaType.MULTIPART_FORM_DATA_VALUE,
                schema = Schema(implementation = UploadForm::class)
            )]
        )
    )
    @PostMapping("/uploadZip", consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
    fun uploadZip(@RequestParam("file") file: MultipartFile): List<String> {
    
    
        class UploadForm(
        @field:Schema(type = "string", format = "binary", description = "Zip file to upload")
        val file: MultipartFile? = null
    )