获取minio 目录和文件

    private final MinioClient minioClient;
    @Value("${mti.framework.minio.namespace}")
    private String namespace;

/**
     * 获取minio文件的目录或者列表
     * @param prefix 目录名
     * @param namespace 桶
     * @param isOnlyFolder 是否是获取目录
     * @param recursive 是否递归查询minio文件
     * @return MinioVO
     * @throws InvalidBucketNameException
     * @throws InsufficientDataException
     * @throws XmlPullParserException
     * @throws ErrorResponseException
     * @throws NoSuchAlgorithmException
     * @throws IOException
     * @throws NoResponseException
     * @throws InvalidKeyException
     * @throws InternalException
     */
    private List<MinioVO> processFileList(String prefix,String namespace,Boolean isOnlyFolder,Boolean recursive) throws InvalidBucketNameException, InsufficientDataException, XmlPullParserException, ErrorResponseException, NoSuchAlgorithmException, IOException, NoResponseException, InvalidKeyException, InternalException {
        Iterable<Result<Item>> results =
                minioClient.listObjects(namespace,prefix,recursive);
        List<MinioVO> files = new ArrayList<>(Collections.emptyList());
        List<MinioVO> folders = new ArrayList<>(Collections.emptyList());
        for (Result<Item> result : results) {
            MinioVO file = new MinioVO();
            Item item = result.get();
            //是否为文件夹
            boolean isDir = item.isDir();
            int i = item.objectName().lastIndexOf("/");
            file.setFileName(isDir?item.objectName():getFolderName(item.objectName()));
            file.setFolderName(isDir?getFolderName(item.objectName()):i==-1?"/":item.objectName().substring(0,i));
            file.setFileType(!isDir?item.objectName().substring(item.objectName().lastIndexOf(".")+1):"folder");
            file.setDepartName(item.objectName().substring(0,item.objectName().indexOf("/")));
            file.setIsFolder(isDir);
            files.add(file);
        }
        for (MinioVO s : files) {
            if (s.getIsFolder()) {
                s.setChildren(processFileList(s.getFileName(),namespace,isOnlyFolder,recursive));
                folders.add(s);
            }
        }

        return isOnlyFolder?folders:files;
    }