mcs/class/System.Net.Http/System.Net.Http.Headers/HttpContentHeaders.cs

   1 //
   2 // HttpContentHeaders.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
  31 namespace System.Net.Http.Headers
  32 {
  33         public sealed class HttpContentHeaders : HttpHeaders
  34         {
  35                 readonly HttpContent content;
  36
  37                 internal HttpContentHeaders (HttpContent content)
  38                         : base (HttpHeaderKind.Content)
  39                 {
  40                         this.content = content;
  41                 }
  42
  43                 public ICollection<string> Allow {
  44                         get {
  45                                 return GetValues<string> ("Allow");
  46                         }
  47                 }
  48
  49                 public ICollection<string> ContentEncoding {
  50                         get {
  51                                 return GetValues<string> ("Content-Encoding");
  52                         }
  53                 }
  54
  55                 public ContentDispositionHeaderValue ContentDisposition {
  56                         get {
  57                                 return GetValue<ContentDispositionHeaderValue> ("Content-Disposition");
  58                         }
  59                         set {
  60                                 AddOrRemove ("Content-Disposition", value);
  61                         }
  62                 }
  63
  64                 public ICollection<string> ContentLanguage {
  65                         get {
  66                                 return GetValues<string> ("Content-Language");
  67                         }
  68                 }
  69
  70                 public long? ContentLength {
  71                         get {
  72                                 long? v = GetValue<long?> ("Content-Length");
  73                                 if (v != null)
  74                                         return v;
  75
  76                                 v = content.LoadedBufferLength;
  77                                 if (v != null)
  78                                         return v;
  79
  80                                 long l;
  81                                 if (content.TryComputeLength (out l)) {
  82                                         // .net compatibility reading value actually set header property value
  83                                         SetValue ("Content-Length", l);
  84                                         return l;
  85                                 }
  86
  87                                 return null;
  88                         }
  89                         set {
  90                                 AddOrRemove ("Content-Length", value);
  91                         }
  92                 }
  93
  94                 public Uri ContentLocation {
  95                         get {
  96                                 return GetValue<Uri> ("Content-Location");
  97                         }
  98                         set {
  99                                 AddOrRemove ("Content-Location", value);
 100                         }
 101                 }
 102
 103                 public byte[] ContentMD5 {
 104                         get {
 105                                 return GetValue<byte[]> ("Content-MD5");
 106                         }
 107                         set {
 108                                 AddOrRemove ("Content-MD5", value, Parser.MD5.ToString);
 109                         }
 110                 }
 111
 112                 public ContentRangeHeaderValue ContentRange {
 113                         get {
 114                                 return GetValue<ContentRangeHeaderValue> ("Content-Range");
 115                         }
 116                         set {
 117                                 AddOrRemove ("Content-Range", value);
 118                         }
 119                 }
 120
 121                 public MediaTypeHeaderValue ContentType {
 122                         get {
 123                                 return GetValue<MediaTypeHeaderValue> ("Content-Type");
 124                         }
 125                         set {
 126                                 AddOrRemove ("Content-Type", value);
 127                         }
 128                 }
 129
 130                 public DateTimeOffset? Expires {
 131                         get {
 132                                 return GetValue<DateTimeOffset?> ("Expires");
 133                         }
 134                         set {
 135                                 AddOrRemove ("Expires", value, Parser.DateTime.ToString);
 136                         }
 137                 }
 138
 139                 public DateTimeOffset? LastModified {
 140                         get {
 141                                 return GetValue<DateTimeOffset?> ("Last-Modified");
 142                         }
 143                         set {
 144                                 AddOrRemove ("Last-Modified", value, Parser.DateTime.ToString);
 145                         }
 146                 }
 147         }
 148 }