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    Bucket Operations

    Terakhir diperbarui:2024-06-25 10:53:13
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      Overview

      This document provides an overview of APIs and SDK code samples related to basic bucket operations.
      API
      Operation
      Description
      Querying a bucket list
      Queries the list of all buckets under a specified account
      Creating a bucket
      Creates a bucket under a specified account
      Checking a bucket and its permissions
      Checks whether a bucket exists and whether you have permission to access it
      Deleting a bucket
      Deletes an empty bucket from a specified account

      SDK API References

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

      Querying a Bucket List

      Description

      This API (GET Service (List Buckets)) is used to query the list of all buckets under a specified account.

      Sample code

      GetServiceRequest getServiceRequest = new GetServiceRequest();
      cosXmlService.getServiceAsync(getServiceRequest, new CosXmlResultListener() {
          @Override
          public void onSuccess(CosXmlRequest request, CosXmlResult result) {
              GetServiceResult getServiceResult = (GetServiceResult) 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.

      Creating a Bucket

      Description

      This API (PUT Bucket) is used to create a bucket.

      Sample code

      // Bucket name in the format of BucketName-APPID (APPID is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
      String bucket = "examplebucket-1250000000";
      PutBucketRequest putBucketRequest = new PutBucketRequest(bucket);
      cosXmlService.putBucketAsync(putBucketRequest, new CosXmlResultListener() {
          @Override
          public void onSuccess(CosXmlRequest request, CosXmlResult result) {
              PutBucketResult putBucketResult = (PutBucketResult) 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.

      Checking a Bucket and Its Permissions

      Description

      This API is used to verify whether a bucket exists and whether you have permission to access it.
      If the bucket exists and you have permission to read it, HTTP status code 200 will be returned.
      If you do not have permission to read the bucket, HTTP status code 403 will be returned.
      If the bucket does not exist, HTTP status code 404 will be returned.

      Sample code

      // Bucket name in the format of BucketName-APPID (APPID is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
      String bucket = "examplebucket-1250000000";
      HeadBucketRequest headBucketRequest = new HeadBucketRequest(bucket);
      cosXmlService.headBucketAsync(headBucketRequest, new CosXmlResultListener() {
          @Override
          public void onSuccess(CosXmlRequest request, CosXmlResult result) {
              HeadBucketResult headBucketResult = (HeadBucketResult) 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.

      Deleting a Bucket

      Description

      This API is used to delete a specified bucket.
      Note:
      Before deleting a bucket, please make sure that all the data and incomplete multipart uploads in the bucket have been deleted; otherwise, the bucket cannot be deleted.

      Sample code

      // Bucket name in the format of BucketName-APPID (APPID is required), which can be viewed in the COS console at https://console.tencentcloud.com/cos5/bucket
      String bucket = "examplebucket-1250000000";
      DeleteBucketRequest deleteBucketRequest = new DeleteBucketRequest(bucket);
      cosXmlService.deleteBucketAsync(deleteBucketRequest,
              new CosXmlResultListener() {
          @Override
          public void onSuccess(CosXmlRequest request, CosXmlResult result) {
              DeleteBucketResult deleteBucketResult = (DeleteBucketResult) result;
          }
      
          @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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