content: import com.aliyun.oss.ClientException;
  import com.aliyun.oss.OSS;
  import com.aliyun.oss.OSSClientBuilder;
  import com.aliyun.oss.OSSException;
  import com.aliyun.oss.model.*;
  
  
  public class EncryptionServiceSample {
  
      private static String endpoint = "*** Provide OSS endpoint ***";
      private static String accessKeyId = "*** Provide your AccessKeyId ***";
      private static String accessKeySecret = "*** Provide your AccessKeySecret ***";
      private static String bucketName = "*** Provide bucket name ***";
      private static String objectName = "*** Provide object name ***";
  
      public static void main(String[] args) {
          // Create an OSSClient instance.
          OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
  
          try {
              // Configure server-side encryption for a bucket
              setBucketEncryption(ossClient);
  
              // Query the server-side encryption configurations of a bucket
              getBucketEncryption(ossClient);
  
              // Delete the server-side encryption configurations of a bucket
              deleteBucketEncryption(ossClient);
  
          } catch (OSSException oe) {
              System.out.println("Error Message: " + oe.getErrorMessage());
              System.out.println("Error Code:       " + oe.getErrorCode());
              System.out.println("Request ID:      " + oe.getRequestId());
              System.out.println("Host ID:           " + oe.getHostId());
          } catch (ClientException ce) {
              System.out.println("Error Message: " + ce.getMessage());
          } finally {
              /*
               * Do not forget to shut down the client finally to release all allocated resources.
               */
              ossClient.shutdown();
          }
      }
  
      private static void setBucketEncryption(OSS ossClient) {
          // Configure server-side encryption for the bucket.
          ServerSideEncryptionByDefault applyServerSideEncryptionByDefault = new ServerSideEncryptionByDefault(SSEAlgorithm.KMS);
          applyServerSideEncryptionByDefault.setKMSMasterKeyID("<yourTestKmsId>");
          ServerSideEncryptionConfiguration sseConfig = new ServerSideEncryptionConfiguration();
          sseConfig.setApplyServerSideEncryptionByDefault(applyServerSideEncryptionByDefault);
          SetBucketEncryptionRequest request = new SetBucketEncryptionRequest("<yourBucketName>", sseConfig);
          ossClient.setBucketEncryption(request);
      }
  
      private static void getBucketEncryption(OSS ossClient) {
          // Query the server-side encryption configurations of the bucket.
          ServerSideEncryptionConfiguration sseConfig = ossClient.getBucketEncryption("<yourBucketName>");
          System.out.println("get Algorithm: " + sseConfig.getApplyServerSideEncryptionByDefault().getSSEAlgorithm());
          System.out.println("get kmsid: " + sseConfig.getApplyServerSideEncryptionByDefault().getKMSMasterKeyID());
      }
  
      private static void deleteBucketEncryption(OSS ossClient) {
          // Delete the server-side encryption configurations of the bucket.
          ossClient.deleteBucketEncryption("<yourBucketName>");
      }
  }
  