serverfiledata.cs

ftp客服端源代码

using System;

namespace SourceFtp.Ftp
{
	public class ServerFileData
	{
		public bool    isDirectory;
		public string  fileName;
		public int     size;
		public string  type;
		public string  date;
		public string  permission;
		public string  owner;
		public string  group;

		public ServerFileData()
		{
		}


		public static ServerFileData ParseLine(string p_Line)
		{
			ServerFileData l_Data = null;
			l_Data = ParseUnixDirLine(p_Line);
			if (l_Data==null)
				l_Data = ParseDosDirLine(p_Line);
			return l_Data;
		}

		private static ServerFileData ParseDosDirLine(string line)
		{
			ServerFileData sfd = new ServerFileData();

			try 
			{
				string[] parsed = new string[3];
				int index = 0;
				int position = 0;

				// Parse out the elements
				position  = line.IndexOf(' ');
				while (index<parsed.Length) 
				{
					parsed[index] = line.Substring(0, position);
					line = line.Substring(position);
					line = line.Trim();
					index++;
					position  = line.IndexOf(' ');
				}
				sfd.fileName   = line;  
          
				if (parsed[2] != "<DIR>")
					sfd.size       = Convert.ToInt32(parsed[2]);

				sfd.date       = parsed[0]+ ' ' + parsed[1];
				sfd.isDirectory = parsed[2] == "<DIR>";
			}
			catch 
			{
				sfd  = null;
			}
			return sfd;
		}

		private static ServerFileData ParseUnixDirLine(string line)
		{
			ServerFileData  sfd = new ServerFileData();

			try 
			{
				string[] parsed = new string [8];
				int index = 0;
				int position;
        
				// Parse out the elements
				position  = line.IndexOf(' ');
				while (index<parsed.Length) 
				{
					parsed[index] = line.Substring(0, position);
					line = line.Substring(position);
					line = line.Trim();
					index++;
					position  = line.IndexOf(' ');
				}
				sfd.fileName   = line;  
          
				sfd.permission = parsed[0];
				sfd.owner      = parsed[2];
				sfd.group      = parsed[3];
				sfd.size       = Convert.ToInt32(parsed[4]);
				sfd.date       = parsed[5]+ ' ' + parsed[6] + ' ' + parsed[7];
				sfd.isDirectory = sfd.permission[0] == 'd';
			}
			catch 
			{
				sfd  = null;
			}
			return sfd;
		}

	}
}