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spring webFlux file uploader

Pragya Keshap answered on February 15, 2023 Popularity 2/10 Helpfulness 1/10

answer spring webFlux file uploader

spring webFlux file uploader

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Spring WebFlux is a non-blocking web stack to handle multiple concurrent requests with minimal number of threads and scale with fewer hardware resources. It performs much better compared Spring MVC when the application has to handle a lot of I/O requests.

@RestController
@RequestMapping("upload")
public class UploadController {

    private final Path basePath = Paths.get("./src/main/resources/upload/");

    @PostMapping("file/single")
    public Mono<Void> upload(@RequestPart("user-name") String name,
                             @RequestPart("fileToUpload") Mono<FilePart> filePartMono){
        System.out.println("user : " + name);
        return  filePartMono
                    .doOnNext(fp -> System.out.println("Received File : " + fp.filename()))
                    .flatMap(fp -> fp.transferTo(basePath.resolve(fp.filename())))
                    .then();
    }

}
@PostMapping("file/multi")
public Mono<Void> upload(@RequestPart("files") Flux<FilePart> partFlux){
    return  partFlux
                .doOnNext(fp -> System.out.println(fp.filename()))
                .flatMap(fp -> fp.transferTo(basePath.resolve(fp.filename())))
                .then();
}

https://vinsguru.medium.com/spring-webflux-file-upload-f6e3f3d3f5e1

Popularity 2/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: java spring-webflux

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Contributed on Feb 15 2023

Pragya Keshap

0 Answers Avg Quality 2/10

spring webFlux file uploader

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