public static async Task <GetObjectMetadataResponse> ObjectMetadataAsync(this S3Helper s3,
string bucketName,
string key,
bool throwIfNotFound = true,
CancellationToken cancellationToken = default(CancellationToken))
{
try
{
var metadata = await s3.GetObjectMetadata(bucketName : bucketName, key : key, cancellationToken : cancellationToken);
return(metadata);
}
catch (Exception ex)
{
if (!throwIfNotFound)
{
if (ex is Amazon.S3.AmazonS3Exception &&
(ex as Amazon.S3.AmazonS3Exception).StatusCode == System.Net.HttpStatusCode.NotFound)
{
return(null);
}
}
throw;
}
}
public static async Task <bool> ObjectExistsAsync(this S3Helper s3,
string bucketName,
string key,
CancellationToken cancellationToken = default(CancellationToken))
{
try
{
var metadata = await s3.GetObjectMetadata(bucketName : bucketName, key : key, cancellationToken : cancellationToken);
return(true);
}
catch (Exception ex)
{
if (ex is Amazon.S3.AmazonS3Exception &&
(ex as Amazon.S3.AmazonS3Exception).StatusCode == System.Net.HttpStatusCode.NotFound)
{
return(false);
}
throw;
}
}