[spring boot] 특정 디렉토리에 있는 파일 목록 읽기

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Spring Boot에서 특정 디렉토리에 있는 파일 목록 읽기

 

 

• 설정 파일에 파일이 저장되어있는 경로를 설정(MAC 기준, 외장 tomcat 구성 기준)
  [application.yml]

 

 

    ...

    # dev
    local-server:
        local-file-save-path: ${HOME}

    # live
    local-server:
        local-file-save-path: /var/lib/tomcat8/webapps

    ...

 

[FileServerProperties.java]
// application.yml에 설정된 파일 경로를 가져온다.

 

    import lombok.Getter;
    import lombok.Setter;
    import org.springframework.boot.context.properties.ConfigurationProperties;
    import org.springframework.context.annotation.Configuration;

    @Setter
    @Getter
    @Configuration
    @ConfigurationProperties(prefix = "local-server")
    public class FileServerProperties {
        private String localFileSavePath;   // /Users/we
    }

 

[Main.java]

 

    public static void main(String[] args) {
        File dirFile = new File(fileServerProperties.getLocalFileSavePath());
        File[] fileList = dirFile.listFiles();
        Arrays.sort(fileList, LastModifiedFileComparator.LASTMODIFIED_REVERSE);
        List<String> retList = new ArrayList<String>();

        for(File file: fileList) {
            if (file.getName().contains("upload_")) {   // upload_ 문자열이 있는지 체크
                retList.add(file.getName());    // 이름출력
            }
        }
    }