FTP Downloads in .NET

There are many situation in which you would want to connect to an FTP server and perform downloading of FTP Files. here is a helper class to perorm that.


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;

namespace Yournamespace.Core.FTP
{
    public class FTPManager
    {
        private string _FTPHost;
        private string _FTPUser;
        private string _FTPPassword;

        public string FTPHost
        {
            get { return _FTPHost; }
            set { _FTPHost = value; }
        }

        public string FTPUser
        {
            get { return _FTPUser; }
            set { _FTPUser = value; }
        }

        public string FTPPassword
        {
            get { return _FTPPassword; }
            set { _FTPPassword = value; }
        }

        public void Upload(string filename)
        {

        }

        public void Download(string filename)
        {
            FileStream outputStream = new FileStream(filename, FileMode.Create);
            FtpWebRequest request = null;
            FtpWebResponse response = null;
            Stream ftpStream = null;

            try
            {
                request = (FtpWebRequest)FtpWebRequest.Create(new
                  Uri("ftp://" + this.FTPHost + "/" + filename));
                request.Method = WebRequestMethods.Ftp.DownloadFile;
                request.UseBinary = true;
                request.Credentials = new NetworkCredential(this.FTPUser, this.FTPPassword);
                response = (FtpWebResponse)request.GetResponse();
                ftpStream = response.GetResponseStream();
                long cl = response.ContentLength;
                int bufferSize = 2048;
                int readCount;
                byte[] buffer = new byte[bufferSize];

                readCount = ftpStream.Read(buffer, 0, bufferSize);
                while (readCount > 0)
                {
                    outputStream.Write(buffer, 0, readCount);
                    readCount = ftpStream.Read(buffer, 0, bufferSize);
                }

            }
            catch (Exception e)
            {
                throw e;
            }
            finally
            {
                ftpStream.Close();
                outputStream.Close();
                response.Close();
            }

        }
    }
}