mcs/class/System.Net.Http/System.Net.Http/HttpRequestMessage.cs

   1 //
   2 // HttpRequestMessage.cs
   3 //
   4 // Authors:
   5 //      Marek Safar  <marek.safar@gmail.com>
   6 //
   7 // Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.Collections.Generic;
  30 using System.Net.Http.Headers;
  31 using System.Text;
  32
  33 namespace System.Net.Http
  34 {
  35         public class HttpRequestMessage : IDisposable
  36         {
  37                 HttpRequestHeaders headers;
  38                 HttpMethod method;
  39                 Version version;
  40                 Dictionary<string, object> properties;
  41                 Uri uri;
  42                 bool is_used;
  43                 bool disposed;
  44
  45                 public HttpRequestMessage ()
  46                 {
  47                         this.method = HttpMethod.Get;
  48                 }
  49
  50                 public HttpRequestMessage (HttpMethod method, string requestUri)
  51                         : this (method, string.IsNullOrEmpty (requestUri) ? (Uri) null : new Uri (requestUri, System.UriKind.RelativeOrAbsolute))
  52                 {
  53                 }
  54
  55                 public HttpRequestMessage (HttpMethod method, Uri requestUri)
  56                 {
  57                         Method = method;
  58                         RequestUri = requestUri;
  59                 }
  60
  61                 public HttpContent Content { get; set; }
  62
  63                 public HttpRequestHeaders Headers {
  64                         get {
  65                                 return headers ?? (headers = new HttpRequestHeaders ());
  66                         }
  67                 }
  68
  69                 public HttpMethod Method {
  70                         get {
  71                                 return method;
  72                         }
  73                         set {
  74                                 if (value == null)
  75                                         throw new ArgumentNullException ("method");
  76
  77                                 method = value;
  78                         }
  79                 }
  80
  81                 public IDictionary<string, object> Properties {
  82                         get {
  83                                 return properties ?? (properties = new Dictionary<string, object> ());
  84                         }
  85                 }
  86
  87                 public Uri RequestUri {
  88                         get {
  89                                 return uri;
  90                         }
  91                         set {
  92                                 if (value != null && value.IsAbsoluteUri && !IsAllowedAbsoluteUri (value))
  93                                         throw new ArgumentException ("Only http or https scheme is allowed");
  94
  95                                 uri = value;
  96                         }
  97                 }
  98
  99                 static bool IsAllowedAbsoluteUri (Uri uri)
 100                 {
 101                         if (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps)
 102                                 return true;
 103
 104                         // Mono URI handling which does not distinguish between file and url absolute paths without scheme
 105                         if (uri.Scheme == Uri.UriSchemeFile && uri.OriginalString.StartsWith ("/", StringComparison.Ordinal))
 106                                 return true;
 107
 108                         return false;
 109                 }
 110
 111                 public Version Version {
 112                         get {
 113                                 return version ?? HttpVersion.Version11;
 114                         }
 115                         set {
 116                                 if (value == null)
 117                                         throw new ArgumentNullException ("Version");
 118
 119                                 version = value;
 120                         }
 121                 }
 122
 123                 public void Dispose ()
 124                 {
 125                         Dispose (true);
 126                 }
 127
 128                 protected virtual void Dispose (bool disposing)
 129                 {
 130                         if (disposing && !disposed) {
 131                                 disposed = true;
 132
 133                                 if (Content != null)
 134                                         Content.Dispose ();
 135                         }
 136                 }
 137
 138                 internal bool SetIsUsed ()
 139                 {
 140                         if (is_used)
 141                                 return true;
 142
 143                         is_used = true;
 144                         return false;
 145                 }
 146
 147                 public override string ToString ()
 148                 {
 149                         var sb = new StringBuilder ();
 150                         sb.Append ("Method: ").Append (method);
 151                         sb.Append (", RequestUri: '").Append (RequestUri != null ? RequestUri.ToString () : "<null>");
 152                         sb.Append ("', Version: ").Append (Version);
 153                         sb.Append (", Content: ").Append (Content != null ? Content.ToString () : "<null>");
 154                         sb.Append (", Headers:\r\n{\r\n").Append (Headers);
 155                         if (Content != null)
 156                                 sb.Append (Content.Headers);
 157                         sb.Append ("}");
 158
 159                         return sb.ToString ();
 160                 }
 161         }
 162 }