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C# AmazonS3.DeleteObjects方法代码示例

本文整理汇总了C#中AmazonS3.DeleteObjects方法的典型用法代码示例。如果您正苦于以下问题:C# AmazonS3.DeleteObjects方法的具体用法?C# AmazonS3.DeleteObjects怎么用?C# AmazonS3.DeleteObjects使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在AmazonS3的用法示例。


在下文中一共展示了AmazonS3.DeleteObjects方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: DeleteS3BucketWithObjectsInternal

        /// <summary>
        /// Deletes an S3 bucket which contains objects.
        /// An S3 bucket which contains objects cannot be deleted until all the objects 
        /// in it are deleted. The function deletes all the objects in the specified 
        /// bucket and then deletes the bucket itself.
        /// </summary>
        /// <param name="bucketName">The bucket to be deleted.</param>
        /// <param name="s3Client">The Amazon S3 Client to use for S3 specific operations.</param>
        /// <param name="deleteOptions">Options to control the behavior of the delete operation.</param>
        /// <param name="updateCallback">The callback which is used to send updates about the delete operation.</param>
        /// <param name="asyncCancelableResult">An IAsyncCancelableResult that can be used to poll or wait for results, or both; 
        /// this value is also needed when invoking EndDeleteS3BucketWithObjects. IAsyncCancelableResult can also 
        /// be used to cancel the operation while it's in progress.</param>
        private static void DeleteS3BucketWithObjectsInternal(string bucketName, AmazonS3 s3Client,
            S3DeleteBucketWithObjectsOptions deleteOptions,Action<S3DeleteBucketWithObjectsUpdate> updateCallback,
            AsyncCancelableResult asyncCancelableResult)
        {
            // Validations.
            if (s3Client == null)
            {
                throw new ArgumentNullException("s3Client", "The s3Client cannot be null!");
            }

            if (string.IsNullOrEmpty(bucketName))
            {
                throw new ArgumentNullException("bucketName", "The bucketName cannot be null or empty string!");
            }

            var listVersionsRequest = new ListVersionsRequest { BucketName=bucketName };

            ListVersionsResponse listVersionsResponse;

            // Iterate through the objects in the bucket and delete them.
            do
            {
                // Check if the operation has been canceled.
                if (asyncCancelableResult.IsCancelRequested)
                {
                    // Signal that the operation is canceled.
                    asyncCancelableResult.SignalWaitHandleOnCanceled();
                    return;
                }

                // List all the versions of all the objects in the bucket.
                listVersionsResponse = s3Client.ListVersions(listVersionsRequest);

                if (listVersionsResponse.Versions.Count==0)
                {
                    // If the bucket has no objects break the loop.
                    break;
                }

                var keyVersionList = new List<KeyVersion>(listVersionsResponse.Versions.Count);
                for (int index = 0; index < listVersionsResponse.Versions.Count; index++)
                {
                    keyVersionList.Add(new KeyVersion(
                                                listVersionsResponse.Versions[index].Key,
                                                listVersionsResponse.Versions[index].VersionId
                                            ));
                }

                try
                {
                    // Delete the current set of objects.
                    var deleteObjectsResponse =
                        s3Client.DeleteObjects(new DeleteObjectsRequest
                        {
                            BucketName=bucketName,
                            Quiet=deleteOptions.QuietMode,
                            Keys=keyVersionList
                        });

                    if (!deleteOptions.QuietMode)
                    {
                        // If quiet mode is not set, update the client with list of deleted objects.
                        InvokeS3DeleteBucketWithObjectsUpdateCallback(
                                        updateCallback,
                                        new S3DeleteBucketWithObjectsUpdate
                                        {
                                            DeletedObjects = deleteObjectsResponse.DeletedObjects
                                        }
                                    );
                    }
                }
                catch (DeleteObjectsException deleteObjectsException)
                {
                    if (deleteOptions.ContinueOnError)
                    {
                        // Continue the delete operation if an error was encountered.
                        // Update the client with the list of objects that were deleted and the
                        // list of objects on which the delete failed.
                        InvokeS3DeleteBucketWithObjectsUpdateCallback(
                                updateCallback,
                                new S3DeleteBucketWithObjectsUpdate
                                {
                                    DeletedObjects = deleteObjectsException.ErrorResponse.DeletedObjects,
                                    DeleteErrors = deleteObjectsException.ErrorResponse.DeleteErrors
                                }
                            );
                    }
//.........这里部分代码省略.........
开发者ID:rguarino4,项目名称:aws-sdk-net,代码行数:101,代码来源:AmazonS3Util.cs


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