Java File 객체를 스프링 MultipartFile 객체로 변환하기

 

안녕하세요. 복사장🍗입니다.

 

자바에서 File 객체를 스프링에서 쓰는 MultipartFile 객체로 변환하는 방법을 알아보겠습니다.

 

 

# 소스코드

import java.io.File;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.disk.DiskFileItem.DiskFileItem;
import java.nio.file.Files;
import java.io.FileInputStream.FileInputStream;
import java.io.OutputStream;
import org.apache.commons.io.IOUtils;
import org.springframework.web.multipart.commons.CommonsMultipartFile.CommonsMultipartFile;
import org.springframework.web.multipart.MultipartFile;

File file = new File("C:/file.txt");
FileItem fileItem = new DiskFileItem("mainFile", file.probeContentType(file.toPath()), false, samplePdfFile.getName(), (int) file.length(), file.getParentFile());

try {
	IOUtils.copy(new FileInputStream(samplePdfFile), fileItem.getOutputStream());
} catch (Exception e) {
	throw new EsignonException(responseCode, EsignonDefine.ESIGNON_RESULT_CODE_FAIL, "sample.pdf upload fail!");
}

MultipartFile multipartFile = new CommonsMultipartFile(fileItem);

 

 

# Gradle Dependencies

// https://mvnrepository.com/artifact/commons-io/commons-io
compile group: 'commons-io', name: 'commons-io', version: '2.4'

// https://mvnrepository.com/artifact/commons-fileupload/commons-fileupload
compile group: 'commons-fileupload', name: 'commons-fileupload', version: '1.3.3'

// https://mvnrepository.com/artifact/org.springframework/spring-web
compile group: 'org.springframework', name: 'spring-web', version: '4.3.29.RELEASE'

 

 

 

# Mave Repsitory Link, 아래 링크에서 jar를 다운받으세요.

Maven Repository: commons-io » commons-io » 2.4

 

Maven Repository: org.springframework » spring-web

 

Maven Repository: commons-fileupload » commons-fileupload

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​도움이 되셨다면 아래 공감 한번 눌러주세요. 궁금한 점은 댓글로 남겨주세요.

 

감사합니다. 

😀