private static bool ShouldUpload(OverwriteCondition overwriteCondition, LocalFileInfo localFileInfo, FtpFileInfo ftpFileInfo)
{
bool shouldUpload;
switch (overwriteCondition)
{
case OverwriteCondition.Always:
shouldUpload = true;
break;
case OverwriteCondition.DifferentSize:
shouldUpload = ftpFileInfo.Length != localFileInfo.Length;
break;
case OverwriteCondition.DifferentSizeOrMoreRecentLocalFile:
shouldUpload = ftpFileInfo.Length != localFileInfo.Length || ftpFileInfo.LastWriteTimeUtc < localFileInfo.LastWriteTimeUtc;
break;
case OverwriteCondition.MoreRecentLocalFile:
shouldUpload = ftpFileInfo.LastWriteTimeUtc < localFileInfo.LastWriteTimeUtc;
break;
case OverwriteCondition.Never:
shouldUpload = !ftpFileInfo.Exists;
break;
default:
throw new NotSupportedException(string.Format("Overwrite Condition {0} not supported", overwriteCondition));
}
return shouldUpload;
}
/// <summary>
/// Uploads a local file to a remote FTP server.
/// </summary>
/// <param name="localFile">The local file to upload.</param>
/// <param name="remoteUri">The FTP URI of the destination.</param>
/// <param name="overwriteCondition">Defines the condition under which the remote file will be overwritten if it exists.
/// Default value if <see cref="OverwriteCondition.DifferentSizeOrMoreRecentLocalFile"/>.</param>
public FtpStatusCode UploadFile(string localFile, string remoteUri, OverwriteCondition overwriteCondition)
{
LocalFileInfo localFileInfo = new LocalFileInfo(localFile);
FtpFileInfo ftpFileInfo = new FtpFileInfo(new FtpWebRequestFactory { Username = Username, Password = Password }, remoteUri, Logger);
Logger.Info(string.Format("UploadFile. {0} to {1}, overwrite condition={2}", localFileInfo.Name, remoteUri, overwriteCondition));
if (!ShouldUpload(overwriteCondition, localFileInfo, ftpFileInfo))
{
return FtpStatusCode.CommandOK;
}
FtpStatusCode result = localFileInfo.CopyTo(ftpFileInfo);
Logger.Info(string.Format("Uploaded {0} to {1}, result {2}", localFileInfo.Name, remoteUri, (int)result));
return result;
}