mcs/class/System/System.Net/FtpWebResponse.cs

   1 //
   2 // System.Net.FtpWebResponse.cs
   3 //
   4 // Authors:
   5 //      Carlos Alberto Cortez (calberto.cortez@gmail.com)
   6 //
   7 // (c) Copyright 2006 Novell, Inc. (http://www.novell.com)
   8 //
   9
  10 using System;
  11 using System.IO;
  12 using System.Runtime.Serialization;
  13 using System.Net;
  14
  15 #if NET_2_0
  16
  17 namespace System.Net
  18 {
  19         public class FtpWebResponse : WebResponse
  20         {
  21                 Stream stream;
  22                 Uri uri;
  23                 FtpStatusCode statusCode;
  24                 DateTime lastModified = DateTime.MinValue;
  25                 string bannerMessage = String.Empty;
  26                 string welcomeMessage = String.Empty;
  27                 string exitMessage = String.Empty;
  28                 string statusDescription;
  29                 string method;
  30                 //bool keepAlive;
  31                 bool disposed;
  32                 FtpWebRequest request;
  33                 internal long contentLength = -1;
  34
  35                 internal FtpWebResponse (FtpWebRequest request, Uri uri, string method, bool keepAlive)
  36                 {
  37                         this.request = request;
  38                         this.uri = uri;
  39                         this.method = method;
  40                         //this.keepAlive = keepAlive;
  41                 }
  42
  43                 internal FtpWebResponse (FtpWebRequest request, Uri uri, string method, FtpStatusCode statusCode, string statusDescription)
  44                 {
  45                         this.request = request;
  46                         this.uri = uri;
  47                         this.method = method;
  48                         this.statusCode = statusCode;
  49                         this.statusDescription = statusDescription;
  50                 }
  51
  52                 internal FtpWebResponse (FtpWebRequest request, Uri uri, string method, FtpStatus status) :
  53                         this (request, uri, method, status.StatusCode, status.StatusDescription)
  54                 {
  55                 }
  56
  57                 public override long ContentLength {
  58                         get {
  59                                 return contentLength;
  60                         }
  61                 }
  62
  63                 public override WebHeaderCollection Headers {
  64                         get {
  65                                 return new WebHeaderCollection ();
  66                         }
  67                 }
  68
  69                 public override Uri ResponseUri {
  70                         get {
  71                                 return uri;
  72                         }
  73                 }
  74
  75                 public DateTime LastModified {
  76                         get {
  77                                 return lastModified;
  78                         }
  79                         internal set {
  80                                 lastModified = value;
  81                         }
  82                 }
  83
  84                 public string BannerMessage {
  85                         get {
  86                                 return bannerMessage;
  87                         }
  88                         internal set {
  89                                 bannerMessage = value;
  90                         }
  91                 }
  92
  93                 public string WelcomeMessage {
  94                         get {
  95                                 return welcomeMessage;
  96                         }
  97                         internal set {
  98                                 welcomeMessage = value;
  99                         }
 100                 }
 101
 102                 public string ExitMessage {
 103                         get {
 104                                 return exitMessage;
 105                         }
 106                         internal set {
 107                                 exitMessage = value;
 108                         }
 109                 }
 110
 111                 public FtpStatusCode StatusCode {
 112                         get {
 113                                 return statusCode;
 114                         }
 115                         internal set {
 116                                 statusCode = value;
 117                         }
 118                 }
 119
 120                 public string StatusDescription {
 121                         get {
 122                                 return statusDescription;
 123                         }
 124                         internal set {
 125                                 statusDescription = value;
 126                         }
 127                 }
 128
 129                 public override void Close ()
 130                 {
 131                         if (disposed)
 132                                 return;
 133
 134                         disposed = true;
 135                         if (stream != null) {
 136                                 stream.Close ();
 137                                 if (stream == Stream.Null)
 138                                         request.OperationCompleted ();
 139                         }
 140                         stream = null;
 141                 }
 142
 143                 public override Stream GetResponseStream ()
 144                 {
 145                         if (stream == null)
 146                                 return Stream.Null; // After a STOR we get this
 147
 148                         if (method != WebRequestMethods.Ftp.DownloadFile &&
 149                                         method != WebRequestMethods.Ftp.ListDirectory)
 150                                 CheckDisposed ();
 151
 152                         return stream;
 153                 }
 154
 155                 internal Stream Stream {
 156                         set {
 157                                 stream = value;
 158                         }
 159
 160                         get { return stream; }
 161                 }
 162
 163                 internal void UpdateStatus (FtpStatus status) {
 164                         statusCode = status.StatusCode;
 165                         statusDescription = status.StatusDescription;
 166                 }
 167
 168                 void CheckDisposed ()
 169                 {
 170                         if (disposed)
 171                                 throw new ObjectDisposedException (GetType ().FullName);
 172                 }
 173
 174                 internal bool IsFinal () {
 175                         return ((int) statusCode >= 200);
 176                 }
 177         }
 178 }
 179
 180 #endif
 181