mcs/class/System/System.Net/WebClient.cs

   1 //\r
   2 // System.Net.WebClient\r
   3 //\r
   4 // Author:\r
   5 //   Lawrence Pit (loz@cable.a2000.nl)\r
   6 //\r
   7 \r
   8 using System;\r
   9 using System.Collections;\r
  10 using System.Collections.Specialized;\r
  11 using System.ComponentModel;\r
  12 using System.IO;\r
  13 using System.Runtime.InteropServices;\r
  14 using System.Runtime.Serialization;\r
  15 \r
  16 namespace System.Net \r
  17 {\r
  18         [ComVisible(true)]\r
  19         public sealed class WebClient : Component\r
  20         {\r
  21 \r
  22                 ICredentials credentials;\r
  23         \r
  24                 // Constructors\r
  25                 \r
  26                 public WebClient ()\r
  27                 {\r
  28                 }\r
  29                 \r
  30                 // Properties\r
  31                 \r
  32                 [MonoTODO]\r
  33                 public string BaseAddress {\r
  34                         get { throw new NotImplementedException (); }\r
  35                         set { throw new NotImplementedException (); }\r
  36                 }\r
  37                 \r
  38                 public ICredentials Credentials {\r
  39                         get { return credentials; }\r
  40                         set { credentials = value; }\r
  41                 }\r
  42                 \r
  43                 [MonoTODO]\r
  44                 public WebHeaderCollection Headers {\r
  45                         get { throw new NotImplementedException (); }\r
  46                         set { throw new NotImplementedException (); }\r
  47                 }\r
  48                 \r
  49                 [MonoTODO]\r
  50                 public NameValueCollection QueryString {\r
  51                         get { throw new NotImplementedException (); }\r
  52                         set { throw new NotImplementedException (); }\r
  53                 }\r
  54                 \r
  55                 [MonoTODO]\r
  56                 public WebHeaderCollection ResponseHeaders {\r
  57                         get { throw new NotImplementedException (); }\r
  58                 }\r
  59 \r
  60                 // Methods\r
  61                 \r
  62                 public byte [] DownloadData (string address)\r
  63                 {\r
  64                         const int readSize = 8192;\r
  65                         Stream networkStream = OpenRead (address);\r
  66                         ArrayList chunks = new ArrayList ();\r
  67                         byte[] buf = new byte [readSize];\r
  68                         int size = 0;\r
  69                         int total_size = 0;\r
  70 \r
  71                         try {\r
  72                                 do {\r
  73                                         size = networkStream.Read (buf, 0, readSize);\r
  74                                         byte [] copy = new byte [size];\r
  75                                         Array.Copy (buf, 0, copy,0, size);\r
  76                                         chunks.Add (copy);\r
  77                                         total_size += size;\r
  78                                 } while (size != 0);\r
  79                         } finally {\r
  80                                 networkStream.Close ();\r
  81                         }\r
  82                         \r
  83                         byte [] result = new byte [total_size];\r
  84                         int target = 0;\r
  85                         foreach (byte [] block in chunks){\r
  86                                 int len = block.Length;\r
  87                                 Array.Copy (block, 0, result, target, len);\r
  88                                 target += len;\r
  89                         }\r
  90                         return result;\r
  91                 }\r
  92                 \r
  93                 public void DownloadFile (string address, string fileName)\r
  94                 {\r
  95                         byte[] buf = DownloadData (address);\r
  96                         using (FileStream f = new FileStream (fileName, FileMode.CreateNew)){\r
  97                                 f.Write (buf, 0, buf.Length);\r
  98                         }\r
  99                 }\r
 100                 \r
 101                 public Stream OpenRead (string address)\r
 102                 {\r
 103                         Uri uri = new Uri (address);\r
 104                         WebRequest request = null;\r
 105 \r
 106                         if (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps)\r
 107                                 request = new HttpWebRequest (uri);\r
 108                         else if(uri.Scheme == Uri.UriSchemeFile)\r
 109                                 request = new FileWebRequest (uri);\r
 110                         else\r
 111                                 throw new NotImplementedException ();\r
 112 \r
 113                         return request.GetResponse ().GetResponseStream ();\r
 114                 }\r
 115                 \r
 116                 public Stream OpenWrite (string address)\r
 117                 {\r
 118                         return OpenWrite (address, "POST");\r
 119                 }\r
 120                 \r
 121                 [MonoTODO]\r
 122                 public Stream OpenWrite (string address, string method)\r
 123                 {\r
 124                         throw new NotImplementedException ();\r
 125                 }\r
 126                                 \r
 127                 public byte [] UploadData (string address, byte [] data)\r
 128                 {\r
 129                         return UploadData (address, "POST", data);\r
 130                 }\r
 131                 \r
 132                 [MonoTODO]\r
 133                 public byte [] UploadData (string address, string method, byte [] data)\r
 134                 {\r
 135                         throw new NotImplementedException ();\r
 136                 }\r
 137                 \r
 138                 public byte [] UploadFile (string address, string fileName)\r
 139                 {\r
 140                         return UploadFile (address, "POST", fileName);\r
 141                 }\r
 142                 \r
 143                 [MonoTODO]\r
 144                 public byte[] UploadFile (string address, string method, string fileName)\r
 145                 {\r
 146                         throw new NotImplementedException ();\r
 147                 }\r
 148                 \r
 149                 public byte[] UploadValues (string address, NameValueCollection data)\r
 150                 {\r
 151                         return UploadValues (address, "POST", data);\r
 152                 }\r
 153                 \r
 154                 [MonoTODO]\r
 155                 public byte[] UploadValues (string address, string method, NameValueCollection data)\r
 156                 {\r
 157                         throw new NotImplementedException ();\r
 158                 }\r
 159         }\r
 160 }\r