private myFTPFileInfo GetFileInfo(string filename)
{
myFTPFileInfo ret = null;
//Si es necesario actualiza la lista de archivos de la carpeta actual
if (_workingFolder != _lastWorkingFolderListed || _fileInfoListDirty)
{
GetFileListDetailed(null);
}
foreach (myFTPFileInfo fileInfo in _fileInfoList)
{
if (fileInfo.Nombre.ToLower() == filename.ToLower())
{
return(fileInfo);
}
}
return(ret);
}
/// <summary>
/// Obtains a detailed list of the files in the current remote FTP folder according to a wildcard filename specification and allows to bypass the cached filelist
/// </summary>
/// <param name="fileSpec">Wildcard filename specification. Can contain subfolders and *'s. Example: subfolder/*.txt</param>
/// <param name="forceRefresh">If true the cache is ignored</param>
/// <returns></returns>
/// <remarks>If wildcard is specified or forceRefresh is set to true the resulting file list is not cached</remarks>
public List <myFTPFileInfo> GetFileListDetailed(string fileSpec, bool forceRefresh)
{
if (fileSpec == null || fileSpec.Trim().Length == 0)
{
fileSpec = "*";
}
if (fileSpec.Length > 0 && !fileSpec.StartsWith("/"))
{
fileSpec = "/" + fileSpec;
}
List <myFTPFileInfo> fileList = new List <myFTPFileInfo>();
if (forceRefresh ||
fileSpec.Trim().Length > 0 ||
_fileInfoListDirty ||
_lastWorkingFolderListed != _workingFolder)
{
var req = (FtpWebRequest)WebRequest.Create("ftp://" + Server + RootFolder + _workingFolder + fileSpec);
req.Proxy = null;
req.EnableSsl = false;
req.Credentials = new NetworkCredential(User, Password);
req.Method = WebRequestMethods.Ftp.ListDirectoryDetails;
myFTPFileInfo ftpFileInfo;
_fileInfoList.Clear();
try {
using (FtpWebResponse resp = (FtpWebResponse)req.GetResponse()) {
using (StreamReader reader = new StreamReader(resp.GetResponseStream())) {
while (!reader.EndOfStream)
{
ftpFileInfo = new myFTPFileInfo(reader.ReadLine());
if (ftpFileInfo.Nombre != null && ftpFileInfo.Nombre.Trim().Length > 0)
{
fileList.Add(ftpFileInfo);
}
}
;
};
RecordResponseStatus(resp);
};
}
catch (System.Net.WebException ex) {
if (((FtpWebResponse)ex.Response).StatusCode == FtpStatusCode.ActionNotTakenFileUnavailable)
{
RecordResponseStatus((FtpWebResponse)ex.Response);
}
else
{
throw ex;
}
}
if (fileSpec.Trim().Length == 0 || fileSpec.Trim() == "/*")
{
//Solo conserva cache de la lista de archivos cuando se solicita sin comodines
_fileInfoList = fileList;
_lastWorkingFolderListed = _workingFolder;
_fileInfoListDirty = false;
}
return(fileList);
}
else
{
return(_fileInfoList);
}
}