/// <summary>
/// get full file path according to the specified file name
/// </summary>
/// <param name="fileName">File name</param>
/// <param name="blobName">Source blob name</param>
/// <param name="snapshotTime">Source blob snapshot time</param>
/// <returns>full file path if file path is valid, otherwise throw an exception</returns>
internal string GetFullReceiveFilePath(string fileName, string blobName, DateTimeOffset?snapshotTime)
{
String filePath = Path.Combine(CurrentPath(), fileName);
fileName = Path.GetFileName(filePath);
String dirPath = Path.GetDirectoryName(filePath);
if (!String.IsNullOrEmpty(dirPath) && !Directory.Exists(dirPath))
{
throw new ArgumentException(String.Format(Resources.DirectoryNotExists, dirPath));
}
if (string.IsNullOrEmpty(fileName) || Directory.Exists(filePath))
{
fileName = fileNameResolver.ResolveFileName(blobName, snapshotTime);
filePath = Path.Combine(filePath, fileName);
}
fileName = Path.GetFileName(filePath);
if (!NameUtil.IsValidFileName(fileName))
{
throw new ArgumentException(String.Format(Resources.InvalidFileName, fileName));
}
//there is no need to check the read/write permission on the specified file path, the datamovement libraray will do that
return(filePath);
}