%sFtpLs 
%returns contents of a directory located at the remote server
%
%in------------------------------------------------------------------------
%  sFtpClient:  a Java SFTPv3Client object (instance of sftp client class)
%  Directory:   path of directory of which the contents is to be listed
%               e.g. '.' = root directory remote server
%
%out-----------------------------------------------------------------------
%  FileStruct:  Contents of "Directory" in a matlab structure
%##########################################################################

function [ FileStruct ] = sFtpLs( sFtpClient, Directory )
import ch.ethz.ssh2.SFTPv3Client;
import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.Session;
import ch.ethz.ssh2.SFTPv3FileHandle;

if(nargin  ~=  2)
    error('Error: sFtpLs requires 2 input arguments...');
end
  if( ~ischar(Directory) )
    error...
      (['Error: sFtpLs requires "directory" input argument to be a string...']);
  end
  
  if(~isa(sFtpClient,'ch.ethz.ssh2.SFTPv3Client'))
     error(['Error: sFtpLs input argument sFtpClient is'...
      ' not a sFtpClient object...']); 
  end
    

%get list of directories
m = sFtpClient.ls(Directory);

%get number of enties 
DirNr = m.size()-1;

%Get content of directory
FileStruct = []; 
for i = 0:DirNr 
    FileStruct{i+1} = char(m.elementAt(i).filename);
end
FileStruct = sort(FileStruct);

end