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 namespace System.Net
  16 {
  17         public class FtpWebResponse : WebResponse
  18         {
  19                 Stream stream;
  20                 Uri uri;
  21                 FtpStatusCode statusCode;
  22                 DateTime lastModified = DateTime.MinValue;
  23                 string bannerMessage = String.Empty;
  24                 string welcomeMessage = String.Empty;
  25                 string exitMessage = String.Empty;
  26                 string statusDescription;
  27                 string method;
  28                 //bool keepAlive;
  29                 bool disposed;
  30                 FtpWebRequest request;
  31                 internal long contentLength = -1;
  32
  33                 internal FtpWebResponse (FtpWebRequest request, Uri uri, string method, bool keepAlive)
  34                 {
  35                         this.request = request;
  36                         this.uri = uri;
  37                         this.method = method;
  38                         //this.keepAlive = keepAlive;
  39                 }
  40
  41                 internal FtpWebResponse (FtpWebRequest request, Uri uri, string method, FtpStatusCode statusCode, string statusDescription)
  42                 {
  43                         this.request = request;
  44                         this.uri = uri;
  45                         this.method = method;
  46                         this.statusCode = statusCode;
  47                         this.statusDescription = statusDescription;
  48                 }
  49
  50                 internal FtpWebResponse (FtpWebRequest request, Uri uri, string method, FtpStatus status) :
  51                         this (request, uri, method, status.StatusCode, status.StatusDescription)
  52                 {
  53                 }
  54
  55                 public override long ContentLength {
  56                         get {
  57                                 return contentLength;
  58                         }
  59                 }
  60
  61                 public override WebHeaderCollection Headers {
  62                         get {
  63                                 return new WebHeaderCollection ();
  64                         }
  65                 }
  66
  67                 public override Uri ResponseUri {
  68                         get {
  69                                 return uri;
  70                         }
  71                 }
  72
  73                 public DateTime LastModified {
  74                         get {
  75                                 return lastModified;
  76                         }
  77                         internal set {
  78                                 lastModified = value;
  79                         }
  80                 }
  81
  82                 public string BannerMessage {
  83                         get {
  84                                 return bannerMessage;
  85                         }
  86                         internal set {
  87                                 bannerMessage = value;
  88                         }
  89                 }
  90
  91                 public string WelcomeMessage {
  92                         get {
  93                                 return welcomeMessage;
  94                         }
  95                         internal set {
  96                                 welcomeMessage = value;
  97                         }
  98                 }
  99
 100                 public string ExitMessage {
 101                         get {
 102                                 return exitMessage;
 103                         }
 104                         internal set {
 105                                 exitMessage = value;
 106                         }
 107                 }
 108
 109                 public FtpStatusCode StatusCode {
 110                         get {
 111                                 return statusCode;
 112                         }
 113                         internal set {
 114                                 statusCode = value;
 115                         }
 116                 }
 117
 118                 public override bool SupportsHeaders {
 119                         get {
 120                                 return true;
 121                         }
 122                 }
 123
 124                 public string StatusDescription {
 125                         get {
 126                                 return statusDescription;
 127                         }
 128                         internal set {
 129                                 statusDescription = value;
 130                         }
 131                 }
 132
 133                 public override void Close ()
 134                 {
 135                         if (disposed)
 136                                 return;
 137
 138                         disposed = true;
 139                         if (stream != null) {
 140                                 stream.Close ();
 141                                 if (stream == Stream.Null)
 142                                         request.OperationCompleted ();
 143                         }
 144                         stream = null;
 145                 }
 146
 147                 public override Stream GetResponseStream ()
 148                 {
 149                         if (stream == null)
 150                                 return Stream.Null; // After a STOR we get this
 151
 152                         if (method != WebRequestMethods.Ftp.DownloadFile &&
 153                                         method != WebRequestMethods.Ftp.ListDirectory)
 154                                 CheckDisposed ();
 155
 156                         return stream;
 157                 }
 158
 159                 internal Stream Stream {
 160                         set {
 161                                 stream = value;
 162                         }
 163
 164                         get { return stream; }
 165                 }
 166
 167                 internal void UpdateStatus (FtpStatus status) {
 168                         statusCode = status.StatusCode;
 169                         statusDescription = status.StatusDescription;
 170                 }
 171
 172                 void CheckDisposed ()
 173                 {
 174                         if (disposed)
 175                                 throw new ObjectDisposedException (GetType ().FullName);
 176                 }
 177
 178                 internal bool IsFinal () {
 179                         return ((int) statusCode >= 200);
 180                 }
 181         }
 182 }
 183
 184