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Versioning

Terakhir diperbarui:2022-01-24 12:37:08

    Overview

    This document provides an overview of APIs and SDK code samples related to versioning.

    API Operation Description
    PUT Bucket versioning Setting versioning Sets versioning for a bucket
    GET Bucket versioning Querying versioning Queries the versioning information of a bucket

    SDK API References

    For the parameters and method descriptions of all the APIs in the SDK, see SDK API Reference.

    Setting versioning

    Description

    This API is used to set the versioning configuration of a specified bucket. Once enabled, versioning can only be suspended but not disabled.

    Sample code

    // Bucket name in the format of BucketName-APPID (APPID is required), which can be viewed in the COS console at https://console.intl.cloud.tencent.com/cos5/bucket
    String bucket = "examplebucket-1250000000";
    PutBucketVersioningRequest putBucketVersioningRequest =
           new PutBucketVersioningRequest(bucket);
    // true: enable versioning; false: suspend versioning
    putBucketVersioningRequest.setEnableVersion(true);
    cosXmlService.putBucketVersionAsync(putBucketVersioningRequest,
           new CosXmlResultListener() {
       @Override
       public void onSuccess(CosXmlRequest request, CosXmlResult result) {
           PutBucketVersioningResult putBucketVersioningResult =
                   (PutBucketVersioningResult) result;
       }
        // If you use the Kotlin language to call this, please note that the exception in the callback method is nullable; otherwise, the onFail method will not be called back, that is:
       // clientException is of type CosXmlClientException? and serviceException is of type CosXmlServiceException?
       @Override
       public void onFail(CosXmlRequest cosXmlRequest,
                          @Nullable CosXmlClientException clientException,
                          @Nullable CosXmlServiceException serviceException) {
           if (clientException != null) {
               clientException.printStackTrace();
           } else {
               serviceException.printStackTrace();
           }
       }
    });
    
    Note:

    For more samples, please visit GitHub.

    Querying versioning

    Description

    This API is used to query the versioning configuration of a specified bucket.

    • To get the versioning status of a bucket, you need to have read permission for the bucket.
    • There are three versioning statuses: not enabled, enabled, and suspended.

    Sample code

    // Bucket name in the format of BucketName-APPID (APPID is required), which can be viewed in the COS console at https://console.intl.cloud.tencent.com/cos5/bucket
    String bucket = "examplebucket-1250000000";
    GetBucketVersioningRequest getBucketVersioningRequest =
           new GetBucketVersioningRequest(bucket);
    cosXmlService.getBucketVersioningAsync(getBucketVersioningRequest,
           new CosXmlResultListener() {
       @Override
       public void onSuccess(CosXmlRequest request, CosXmlResult result) {
           GetBucketVersioningResult getBucketVersioningResult =
                   (GetBucketVersioningResult) result;
       }
        // If you use the Kotlin language to call this, please note that the exception in the callback method is nullable; otherwise, the onFail method will not be called back, that is:
       // clientException is of type CosXmlClientException? and serviceException is of type CosXmlServiceException?
       @Override
       public void onFail(CosXmlRequest cosXmlRequest,
                          @Nullable CosXmlClientException clientException,
                          @Nullable CosXmlServiceException serviceException) {
           if (clientException != null) {
               clientException.printStackTrace();
           } else {
               serviceException.printStackTrace();
           }
       }
    });
    
    Note:

    For more samples, please visit GitHub.

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