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 Stream CopyStream(Stream inStream)
  77                 {
  78
  79                         Stream outStream = new MemoryStream();
  80
  81                         int  temp;
  82
  83                         try
  84                         {
  85                                 while(true)
  86                                 {
  87                                         temp = inStream.ReadByte();
  88                                         if(temp==-1)
  89                                                 break;
  90                                         outStream.WriteByte((byte)temp);
  91                                 }
  92                                 outStream.Flush();
  93                                 outStream.Seek(0,SeekOrigin.Begin);
  94                         }
  95                         catch(Exception e)
  96                         {
  97                                 Console.WriteLine(e);
  98                         }
  99
 100                         return outStream;
 101                 }
 102
 103                 public static bool CopyStream(Stream inStream, Stream outStream)
 104                 {
 105                         int  temp;
 106
 107                         try
 108                         {
 109                                 while(true)
 110                                 {
 111                                         temp = inStream.ReadByte();
 112
 113                                         if(temp==-1)
 114                                                 break;
 115                                         outStream.WriteByte((byte)temp);
 116                                 }
 117
 118                                 outStream.Flush();
 119
 120                                 if(outStream.CanSeek)
 121                                         outStream.Seek(0,SeekOrigin.Begin);
 122                         }
 123                         catch(Exception e)
 124                         {
 125                                 Console.WriteLine(e);
 126                                 return false;
 127                         }
 128                         return true;
 129
 130                 }
 131
 132                 public static String GetHostName()
 133                 {
 134                                 string hostName = Dns.GetHostName();
 135
 136                                 if (hostName == null)
 137                                 {
 138                                         throw new ArgumentNullException("hostName");
 139                                 }
 140
 141                         return hostName;
 142                 } // GetHostName
 143
 144                 public static String GetMachineName()
 145                 {
 146
 147                         String machineName = GetHostName();
 148                         if (machineName != null)
 149                                 machineName= Dns.GetHostByName(machineName).HostName;
 150
 151                         if (machineName== null)
 152                         {
 153                                 throw new ArgumentNullException("machine");
 154                         }
 155
 156                         return machineName;
 157                 }
 158         }
 159 }