mcs/class/System.Runtime.Remoting/System.Runtime.Remoting.Channels.Http/HttpHelper.cs

   1 //==========================================================================
   2 //  File:       HttpHelper.cs
   3 //
   4 //  Summary:    Implements Helper internal class for transmission over HTTP.
   5 //
   6 //  Classes:    internal  HttpHelper
   7 //
   8 //      By :
   9 //              Ahmad    Tantawy        popsito82@hotmail.com
  10 //              Ahmad    Kadry          kadrianoz@hotmail.com
  11 //              Hussein  Mehanna        hussein_mehanna@hotmail.com
  12 //
  13 //==========================================================================
  14
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35
  36
  37 using System;
  38 using System.IO;
  39 using System.Net;
  40 using System.Text.RegularExpressions;
  41
  42 namespace System.Runtime.Remoting.Channels.Http
  43 {
  44         internal class HttpHelper
  45         {
  46                 public static string Parse(string URL , out string ObjectURI)
  47                 {
  48
  49                         int Pos;
  50                         ObjectURI = null;
  51                         string ChannelURI = null;
  52
  53
  54                         if(StartsWithHttp(URL))
  55                         {
  56                                 Pos = URL.IndexOf("/",7);
  57                                 if(Pos >= 0)
  58                                 {
  59                                         ObjectURI = URL.Substring(Pos);
  60                                         ChannelURI = URL.Substring(0, Pos);
  61                                 }
  62                                 else ChannelURI = URL;
  63                         }
  64                         return ChannelURI;
  65
  66                 }
  67
  68                 public static bool StartsWithHttp(string URL)
  69                 {
  70                         if(URL.StartsWith("http://"))
  71                                 return true;
  72                         else
  73                                 return false;
  74                 }
  75
  76                 public static void CopyStream (Stream inStream, Stream outStream)
  77                 {
  78                         byte[] buffer = new byte [1024];
  79
  80                         int nr;
  81                         while ((nr = inStream.Read (buffer, 0, buffer.Length)) > 0)
  82                                 outStream.Write (buffer, 0, nr);
  83
  84                         outStream.Flush ();
  85
  86                         if (outStream.CanSeek)
  87                                 outStream.Seek (0,SeekOrigin.Begin);
  88                 }
  89
  90                 public static String GetHostName()
  91                 {
  92                                 string hostName = Dns.GetHostName();
  93
  94                                 if (hostName == null)
  95                                 {
  96                                         throw new ArgumentNullException("hostName");
  97                                 }
  98
  99                         return hostName;
 100                 } // GetHostName
 101
 102                 public static String GetMachineName()
 103                 {
 104
 105                         String machineName = GetHostName();
 106                         if (machineName != null)
 107                                 machineName= Dns.GetHostByName(machineName).HostName;
 108
 109                         if (machineName== null)
 110                         {
 111                                 throw new ArgumentNullException("machine");
 112                         }
 113
 114                         return machineName;
 115                 }
 116         }
 117 }