public override ICloudFileSystemEntry RequestResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
//declare the requested entry
ICloudFileSystemEntry fsEntry = null;
// lets have a look if we are on the root node
if (parent == null)
{
// just create the root entry
fsEntry = GenericStorageProviderFactory.CreateDirectoryEntry(session, Name, parent);
}
else
{
// ok we have a parent, let's retrieve the resource
// from his child list
fsEntry = parent.GetChild(Name, false);
}
// now that we create the entry just update the chuld
if (fsEntry != null && fsEntry is ICloudDirectoryEntry)
{
RefreshResource(session, fsEntry as ICloudDirectoryEntry);
}
// go ahead
return(fsEntry);
}
private void RefreshChildsOfDirectory(IStorageProviderSession session, ICloudDirectoryEntry dir)
{
// get the creds
ICredentials creds = ((GenericNetworkCredentials)session.SessionToken).GetCredential(null, null);
// get the uri
String resSource = GetResourceUrl(session, dir.Parent, dir.Name);
// clear all childs
GenericStorageProviderFactory.ClearAllChilds(dir);
// we need to request a directory list here
using (MemoryStream data = _ftpService.PerformSimpleWebCall(resSource, WebRequestMethodsEx.Ftp.ListDirectoryDetails, creds, null))
{
using (StreamReader r = new StreamReader(data))
{
while (!r.EndOfStream)
{
String ftpline = r.ReadLine();
Match m = GetMatchingRegexFromFTPLine(ftpline);
if (m == null)
{
//failed
throw new ApplicationException("Unable to parse line: " + ftpline);
}
else
{
// get the filename
String filename = m.Groups["name"].Value;
// get teh modified date
DateTime fileDateTime = DateTime.MinValue;
try
{
fileDateTime = System.DateTime.Parse(m.Groups["timestamp"].Value);
}
catch (Exception)
{ }
// evaluate if we have a directory
string _dir = m.Groups["dir"].Value;
if ((!string.IsNullOrEmpty(_dir) & _dir != "-"))
{
GenericStorageProviderFactory.CreateDirectoryEntry(session, filename, fileDateTime, dir);
}
else
{
// get the size
long size = Convert.ToInt64(m.Groups["size"].Value);
// create the file object
GenericStorageProviderFactory.CreateFileSystemEntry(session, filename, fileDateTime, size, dir);
}
}
}
}
}
}
/// <summary>
/// This method returns a filesystem object, this can be files or folders
/// </summary>
/// <param name="path"></param>
/// <param name="parent"></param>
/// <returns></returns>
public ICloudFileSystemEntry GetFileSystemObject(string path, ICloudDirectoryEntry parent)
{
/*
* This section generates for every higher object the object tree
*/
PathHelper ph = new PathHelper(path);
String[] elements = ph.GetPathElements();
// create the virtual root
ICloudDirectoryEntry current = parent ?? GetRoot();
// build the root
// check if we request only the root
if (path.Equals("/"))
{
return(current);
}
if (_Service.SupportsDirectRetrieve)
{
//Request directly
return(_Service.RequestResource(_Session, path.TrimStart('/'), current));
}
// create the path tree
for (int i = 0; i <= elements.Length - 1; i++)
{
String elem = elements[i];
if (i == elements.Length - 1)
{
return(current.GetChild(elem, false));
}
try
{
current = current.GetChild(elem, true) as ICloudDirectoryEntry;
}
catch (SharpBoxException e)
{
// if not found, create a virtual one
if (e.ErrorCode == SharpBoxErrorCodes.ErrorFileNotFound)
{
current = GenericStorageProviderFactory.CreateDirectoryEntry(_Session, elem, current);
}
else
{
throw;
}
}
}
// looks like an error
return(null);
}
/// <summary>
/// This method creates a file in the cloud storage
/// </summary>
/// <param name="parent"></param>
/// <param name="name"></param>
/// <returns></returns>
public virtual ICloudFileSystemEntry CreateFile(ICloudDirectoryEntry parent, string name)
{
// build the parent
if (parent == null)
{
parent = GetRoot();
}
// build the file entry
var newEntry = GenericStorageProviderFactory.CreateFileSystemEntry(_Session, name, parent);
return(newEntry);
}
public override ICloudFileSystemEntry CreateResource(IStorageProviderSession session, string name, ICloudDirectoryEntry parent)
{
// get credentials
var creds = ((GenericNetworkCredentials)session.SessionToken).GetCredential(null, null);
// build the full url
var resFull = GetResourceUrl(session, parent, name);
// create the director
if (_ftpService.FtpCreateDirectory(resFull, creds))
{
// create the filesystem object
var fsEntry = GenericStorageProviderFactory.CreateDirectoryEntry(session, name, parent);
// go ahead
return(fsEntry);
}
return(null);
}
/// <summary>
/// This method returns a filesystem object, this can be files or folders
/// </summary>
/// <param name="path"></param>
/// <param name="parent"></param>
/// <returns></returns>
public ICloudFileSystemEntry GetFileSystemObject(string path, ICloudDirectoryEntry parent)
{
/*
* This section generates for every higher object the object tree
*/
PathHelper ph = new PathHelper(path);
String[] elements = ph.GetPathElements();
// create the virtual root
ICloudDirectoryEntry current = parent;
// build the root
if (current == null)
{
current = GetRoot();
}
// check if we request only the root
if (path.Equals("/"))
{
return(current);
}
// create the path tree
for (int i = 0; i <= elements.Length - 1; i++)
{
String elem = elements[i];
if (i == elements.Length - 1)
{
// get requested object
ICloudFileSystemEntry requestedObject = _Service.RequestResource(_Session, elem, current);
// go ahead on error
if (requestedObject == null)
{
return(null);
}
else
{
// go ahead
return(requestedObject);
}
}
else
{
try
{
// try to get the child
current = current.GetChild(elem) as ICloudDirectoryEntry;
}
catch (SharpBoxException e)
{
// if not found, create a virtual one
if (e.ErrorCode == SharpBoxErrorCodes.ErrorFileNotFound)
{
current = GenericStorageProviderFactory.CreateDirectoryEntry(_Session, elem, current);
}
else
{
throw e;
}
}
}
}
// looks like an error
return(null);
}
