public static async Task <T> DownloadJsonAsync <T>(this S3Helper s3,
string bucketName,
string key,
string version = null,
string eTag = null,
bool throwIfNotFound = true,
Encoding encoding = null,
CancellationToken cancellationToken = default(CancellationToken))
{
var stream = await s3.DownloadObjectAsync(
bucketName : bucketName,
key : key,
version : version,
eTag : eTag,
throwIfNotFound : throwIfNotFound,
cancellationToken : cancellationToken);
if (!throwIfNotFound && stream == null)
{
return(default(T));
}
return(await stream
.ToStringAsync(encoding ?? Encoding.UTF8)
.JsonDeserializeAsync <T>());
}
public static async Task <string> DownloadTextAsync(this S3Helper s3,
string bucketName,
string key,
string version = null,
string eTag = null,
bool throwIfNotFound = true,
Encoding encoding = null,
CancellationToken cancellationToken = default(CancellationToken))
{
var stream = await s3.DownloadObjectAsync(
bucketName : bucketName,
key : key,
version : version,
eTag : eTag,
throwIfNotFound : throwIfNotFound,
cancellationToken : cancellationToken);
if (!throwIfNotFound && stream == null)
{
return(null);
}
return((encoding ?? Encoding.UTF8).GetString(stream.ToArray(bufferSize: 256 * 1024)));
}
