private void ReadAmazonFile(AmazonS3Client s3Client, S3Object item, AmazonS3ConfigDataKeys configKey)
{
String[] k = item.Key.Split("/");
String filename = configKey.LocalFileName;
FileInfo fileInfo = new FileInfo(filename);
if ((!fileInfo.Exists) || (fileInfo.LastWriteTime < item.LastModified))
{
try
{
Task <GetObjectResponse> taskGetObjectResponse = s3Client.GetObjectAsync(AmazonS3Config.GetConfigData.AmazonS3BucketName, item.Key);
taskGetObjectResponse.Wait();
using (GetObjectResponse getObjRespone = taskGetObjectResponse.Result)
{
using (Stream responseStream = getObjRespone.ResponseStream)
{
using (Stream fileStream = File.Create(filename))
{
CopyStream(responseStream, fileStream);
fileStream.Flush();
fileStream.Close();
}
}
}
File.SetCreationTime(filename, item.LastModified);
File.SetLastWriteTime(filename, item.LastModified);
string ext = Path.GetExtension(filename).ToLower();
if (ext == ".zip")
{
String strTargetFolder = configKey.LocalFileName;
String strFolder = Path.GetDirectoryName(strTargetFolder);
ZipFile.ExtractToDirectory(filename, strFolder, true);
}
}
catch (Exception) {
}
}
}
/// <summary>
/// Download new/Updated AmazonS3 files and return AmazonS3 keys
/// </summary>
/// <returns></returns>
public List <String> FileDownloader()
{
List <String> ret = new List <String>();
try
{
using (AmazonS3Client s3Client = GetAmazonS3Client()) {
try
{
ListObjectsRequest request = new ListObjectsRequest();
request.BucketName = AmazonS3Config.GetConfigData.AmazonS3BucketName;
Task <ListObjectsResponse> task = s3Client.ListObjectsAsync(request);
task.Wait();
ListObjectsResponse response = task.Result;
List <AmazonS3ConfigDataKeys> keys = AmazonS3Config.GetConfigData.Keys;
foreach (S3Object item in response.S3Objects)
{
AmazonS3ConfigDataKeys itemF = keys.FirstOrDefault(o => o.AmazonS3Key == item.Key);
try
{
if (itemF != null)
{
ReadAmazonFile(s3Client, item, itemF);
}
ret.Add(item.Key);
}
catch (Exception) { }
}
} catch (Exception)
{
}
}
}
catch (Exception) { }
return(ret);
}
