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C# IAmazonS3.GetObjectMetadata方法代码示例

本文整理汇总了C#中IAmazonS3.GetObjectMetadata方法的典型用法代码示例。如果您正苦于以下问题:C# IAmazonS3.GetObjectMetadata方法的具体用法?C# IAmazonS3.GetObjectMetadata怎么用?C# IAmazonS3.GetObjectMetadata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IAmazonS3的用法示例。


在下文中一共展示了IAmazonS3.GetObjectMetadata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: SetupForObjectModification

        /// <summary>
        /// Sets up the request needed to make an exact copy of the object leaving the parent method
        /// the ability to change just the attribute being requested to change.
        /// </summary>
        /// <param name="bucketName"></param>
        /// <param name="key"></param>
        /// <param name="version"></param>
        /// <param name="s3Client"></param>
        /// <param name="copyRequest"></param>
        /// <param name="putACLRequest"></param>
        static void SetupForObjectModification(IAmazonS3 s3Client, string bucketName, string key, string version, 
            out CopyObjectRequest copyRequest, out PutACLRequest putACLRequest)
        {
            // Get the existing ACL of the object
            GetACLRequest getACLRequest = new GetACLRequest();
            getACLRequest.BucketName = bucketName;
            getACLRequest.Key = key;
            if (version != null)
                getACLRequest.VersionId = version;
            GetACLResponse getACLResponse = s3Client.GetACL(getACLRequest);


            // Set the object's original ACL back onto it because a COPY
            // operation resets the ACL on the destination object.
            putACLRequest = new PutACLRequest();
            putACLRequest.BucketName = bucketName;
            putACLRequest.Key = key;
            putACLRequest.AccessControlList = getACLResponse.AccessControlList;


            ListObjectsResponse listObjectResponse = s3Client.ListObjects(new ListObjectsRequest
            {
                BucketName = bucketName,
                Prefix = key,
                MaxKeys = 1
            });

            if (listObjectResponse.S3Objects.Count != 1)
            {
                throw new InvalidOperationException("No object exists with this bucket name and key.");
            }

            GetObjectMetadataRequest getMetaRequest = new GetObjectMetadataRequest()
            {
                BucketName = bucketName,
                Key = key
            };
            GetObjectMetadataResponse getMetaResponse = s3Client.GetObjectMetadata(getMetaRequest);

            // Set the storage class on the object
            copyRequest = new CopyObjectRequest();
            copyRequest.SourceBucket = copyRequest.DestinationBucket = bucketName;
            copyRequest.SourceKey = copyRequest.DestinationKey = key;
            copyRequest.StorageClass = listObjectResponse.S3Objects[0].StorageClass == "STANDARD" ? S3StorageClass.Standard : S3StorageClass.ReducedRedundancy;
            if (version != null)
                copyRequest.SourceVersionId = version;

            copyRequest.WebsiteRedirectLocation = getMetaResponse.WebsiteRedirectLocation;
            copyRequest.ServerSideEncryptionMethod = getMetaResponse.ServerSideEncryptionMethod;
        }
开发者ID:wmatveyenko,项目名称:aws-sdk-net,代码行数:60,代码来源:AmazonS3Util.Operations.cs


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