<dependency>
            <groupId>io.minio</groupId>
            <artifactId>minio</artifactId>
            <version>8.0.3</version>
        </dependency>

class MinioTest {
    MinioClient minioClient;

    @BeforeEach
    void setUp() {
        minioClient =
                MinioClient.builder()
                        .endpoint("https://play.min.io")
                        .credentials("Q3AM3UQ867SPQQA43P2F", "zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG")
                        .build();
    }

    /**
     * 上传文件
     *
     * @throws Exception
     */
    @Test
    void test_upload() throws Exception {
        minioClient.uploadObject(
                UploadObjectArgs.builder()
                        .bucket("bucket01")
                        .object("test.txt")
                        .filename("D:\data\Desktop\test.txt")
                        .build());

        System.out.println("my-filename is uploaded to my-objectname successfully");
    }



    /**
     * 下载文件
     *
     * @throws Exception
     */
    @Test
    void test_download() throws Exception {
        minioClient.downloadObject(
                DownloadObjectArgs.builder()
                        .bucket("bucket01")
                        .object("test.txt")
                        .filename("D:\data\Desktop\test.txt")
                        .build());

        System.out.println("my-filename is uploaded to my-objectname successfully");
    }




    /**
     * 获取文件URL
     *
     * @throws Exception
     */
    @Test
    void test_geturl() throws Exception {
        String url =
                minioClient.getPresignedObjectUrl(
                        GetPresignedObjectUrlArgs.builder()
                                .method(Method.GET)
                                .bucket("bucket01")
                                .object("test.txt")
                                .expiry(60 * 60 * 24)
                                .build());
        System.out.println(url);
    }



    /**
     * 上传+加密
     *
     * @throws Exception
     */
    @Test
    void test_upload_sse() throws Exception {
        KeyGenerator keyGen = KeyGenerator.getInstance("AES");
        keyGen.init(256);
        ServerSideEncryptionCustomerKey ssec =
                new ServerSideEncryptionCustomerKey(keyGen.generateKey());

        minioClient.uploadObject(
                UploadObjectArgs.builder()
                        .bucket("bucket01")
                        .object("test-sse-01.txt")
                        .filename("D:\data\Desktop\test.txt")
                        .sse(ssec)
                        .build());
        System.out.println("my-filename is uploaded to my-objectname successfully");
    }




    /**
     * 下载+解密
     *
     * @throws Exception
     */

    @Test
    void test_download_sse() throws Exception {
        KeyGenerator keyGen = KeyGenerator.getInstance("AES");
        keyGen.init(256);
        ServerSideEncryptionCustomerKey ssec =
                new ServerSideEncryptionCustomerKey(keyGen.generateKey());

        minioClient.downloadObject(
                DownloadObjectArgs.builder()
                        .bucket("bucket01")
                        .object("test-sse-01.txt")
                        .filename("D:\data\Desktop\_test-sse-01.txt")
                        .ssec(ssec) // Replace with same SSE-C used at the time of upload.
                        .build());
        System.out.println("my-objectname is successfully downloaded to my-filename");
    }




    /**
     * 如何保存上传时的密钥对象
     *
     * @throws Exception
     */

    @Test
    void test_key() throws Exception {
        KeyGenerator keyGen = KeyGenerator.getInstance("AES");
        keyGen.init(256);
        SecretKey key1 = keyGen.generateKey();
        byte[] keySave = key1.getEncoded();
        System.out.println("key1 = " + Base64.getEncoder().encodeToString(keyBytes));
        //这里把keySave 保存下来就可以了，当然我们可以转成base64保存

        //以下就是把存储下来的keySave还原成SecretKey对象
        SecretKey key2 = new SecretKeySpec(keySave , "AES");
        System.out.println("key2 = " + Base64.getEncoder().encodeToString(key2 .getEncoded()));

        //key1 == key2
        assertEquals(key1,key2);


    }
}