mcs/class/System.Web/System.Web.Configuration_2.0/GlobalizationSection.cs

   1 //
   2 // System.Web.Configuration.GlobalizationSection
   3 //
   4 // Authors:
   5 //      Chris Toshok (toshok@ximian.com)
   6 //
   7 // (C) 2005 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System;
  32 using System.Collections;
  33 using System.Configuration;
  34 using System.Globalization;
  35 using System.Text;
  36 using System.Xml;
  37
  38 #if NET_2_0
  39
  40 namespace System.Web.Configuration {
  41
  42         public sealed class GlobalizationSection : ConfigurationSection
  43         {
  44                 static ConfigurationProperty cultureProp;
  45                 static ConfigurationProperty enableBestFitResponseEncodingProp;
  46                 static ConfigurationProperty enableClientBasedCultureProp;
  47                 static ConfigurationProperty fileEncodingProp;
  48                 static ConfigurationProperty requestEncodingProp;
  49                 static ConfigurationProperty resourceProviderFactoryTypeProp;
  50                 static ConfigurationProperty responseEncodingProp;
  51                 static ConfigurationProperty responseHeaderEncodingProp;
  52                 static ConfigurationProperty uiCultureProp;
  53                 static ConfigurationPropertyCollection properties;
  54
  55                 static GlobalizationSection ()
  56                 {
  57                         cultureProp = new ConfigurationProperty ("culture", typeof (string), "");
  58                         enableBestFitResponseEncodingProp = new ConfigurationProperty ("enableBestFitResponseEncoding", typeof (bool), false);
  59                         enableClientBasedCultureProp = new ConfigurationProperty ("enableClientBasedCulture", typeof (bool), false);
  60                         fileEncodingProp = new ConfigurationProperty ("fileEncoding", typeof (string));
  61                         requestEncodingProp = new ConfigurationProperty ("requestEncoding", typeof (string), "utf-8");
  62                         resourceProviderFactoryTypeProp = new ConfigurationProperty ("resourceProviderFactoryType", typeof (string), "");
  63                         responseEncodingProp = new ConfigurationProperty ("responseEncoding", typeof (string), "utf-8");
  64                         responseHeaderEncodingProp = new ConfigurationProperty ("responseHeaderEncoding", typeof (string), "utf-8");
  65                         uiCultureProp = new ConfigurationProperty ("uiCulture", typeof (string), "");
  66                         properties = new ConfigurationPropertyCollection ();
  67
  68                         properties.Add (cultureProp);
  69                         properties.Add (enableBestFitResponseEncodingProp);
  70                         properties.Add (enableClientBasedCultureProp);
  71                         properties.Add (fileEncodingProp);
  72                         properties.Add (requestEncodingProp);
  73                         properties.Add (resourceProviderFactoryTypeProp);
  74                         properties.Add (responseEncodingProp);
  75                         properties.Add (responseHeaderEncodingProp);
  76                         properties.Add (uiCultureProp);
  77                 }
  78
  79                 public GlobalizationSection ()
  80                 {
  81                         encodingHash = new Hashtable ();
  82                 }
  83
  84                 [MonoTODO]
  85                 protected override void PostDeserialize ()
  86                 {
  87                         base.PostDeserialize();
  88                 }
  89
  90                 protected override void PreSerialize (XmlWriter writer)
  91                 {
  92                         base.PreSerialize(writer);
  93
  94                         /* verify our data */
  95                         CultureInfo culture;
  96
  97                         try {
  98                                 culture = new CultureInfo.GetCultureInfo (Culture);
  99                         }
 100                         catch {
 101                                 throw new ConfigurationErrorsException ("the <globalization> tag contains an invalid value for the 'culture' attribute");
 102                         }
 103
 104                         try {
 105                                 culture = new CultureInfo.GetCultureInfo (UICulture);
 106                         }
 107                         catch {
 108                                 throw new ConfigurationErrorsException ("the <globalization> tag contains an invalid value for the 'uiCulture' attribute");
 109                         }
 110                 }
 111
 112                 [ConfigurationProperty ("culture", DefaultValue = "")]
 113                 public string Culture {
 114                         get { return (string) base [cultureProp];}
 115                         set { base[cultureProp] = value; }
 116                 }
 117
 118                 [ConfigurationProperty ("enableBestFitResponseEncoding", DefaultValue = "False")]
 119                 public bool EnableBestFitResponseEncoding {
 120                         get { return (bool) base [enableBestFitResponseEncodingProp];}
 121                         set { base[enableBestFitResponseEncodingProp] = value; }
 122                 }
 123
 124                 [ConfigurationProperty ("enableClientBasedCulture", DefaultValue = "False")]
 125                 public bool EnableClientBasedCulture {
 126                         get { return (bool) base [enableClientBasedCultureProp];}
 127                         set { base[enableClientBasedCultureProp] = value; }
 128                 }
 129
 130                 [ConfigurationProperty ("fileEncoding")]
 131                 public Encoding FileEncoding {
 132                         get { return GetEncoding (fileEncodingProp, ref cached_fileencoding); }
 133                         set { base[fileEncodingProp] = value.EncodingName; }
 134                 }
 135
 136                 [ConfigurationProperty ("requestEncoding", DefaultValue = "utf-8")]
 137                 public Encoding RequestEncoding {
 138                         get { return GetEncoding (requestEncodingProp, ref cached_requestencoding); }
 139                         set { base[requestEncodingProp] = value.EncodingName; }
 140                 }
 141
 142                 [ConfigurationProperty ("resourceProviderFactoryType", DefaultValue = "")]
 143                 public string ResourceProviderFactoryType {
 144                         get { return (string) base [resourceProviderFactoryTypeProp];}
 145                         set { base[resourceProviderFactoryTypeProp] = value; }
 146                 }
 147
 148                 [ConfigurationProperty ("responseEncoding", DefaultValue = "utf-8")]
 149                 public Encoding ResponseEncoding {
 150                         get { return GetEncoding (responseEncodingProp, ref cached_responseencoding); }
 151                         set { base[responseEncodingProp] = value.EncodingName; }
 152                 }
 153
 154                 [ConfigurationProperty ("responseHeaderEncoding", DefaultValue = "utf-8")]
 155                 public Encoding ResponseHeaderEncoding {
 156                         get { return GetEncoding (responseHeaderEncodingProp, ref cached_responseheaderencoding); }
 157                         set { base[responseHeaderEncodingProp] = value.EncodingName; }
 158                 }
 159
 160                 [ConfigurationProperty ("uiCulture", DefaultValue = "")]
 161                 public string UICulture {
 162                         get { return (string) base [uiCultureProp];}
 163                         set { base[uiCultureProp] = value; }
 164                 }
 165
 166                 protected override ConfigurationPropertyCollection Properties {
 167                         get { return properties; }
 168                 }
 169
 170 #region CompatabilityCode
 171                 string cached_fileencoding;
 172                 string cached_requestencoding;
 173                 string cached_responseencoding;
 174                 string cached_responseheaderencoding;
 175                 Hashtable encodingHash;
 176
 177                 string cached_culture;
 178                 CultureInfo cached_cultureinfo;
 179
 180                 string cached_uiculture;
 181                 CultureInfo cached_uicultureinfo;
 182
 183                 static bool encoding_warning;
 184                 static bool culture_warning;
 185
 186                 internal CultureInfo GetUICulture ()
 187                 {
 188                         if (cached_uiculture != UICulture) {
 189                                 try {
 190                                         cached_uicultureinfo = new CultureInfo (UICulture);
 191                                 } catch {
 192                                         CultureFailed ("UICulture", UICulture);
 193                                         cached_uicultureinfo = new CultureInfo (0x007f); // Invariant
 194                                 }
 195                         }
 196
 197                         return cached_uicultureinfo;
 198                 }
 199
 200                 internal CultureInfo GetCulture ()
 201                 {
 202                         if (cached_culture != Culture) {
 203                                 try {
 204                                         cached_cultureinfo = new CultureInfo (Culture);
 205                                 } catch {
 206                                         CultureFailed ("Culture", Culture);
 207                                         cached_cultureinfo = new CultureInfo (0x007f); // Invariant
 208                                 }
 209                         }
 210
 211                         return cached_cultureinfo;
 212                 }
 213
 214                 Encoding GetEncoding (ConfigurationProperty prop, ref string cached_encoding_name)
 215                 {
 216                         if (cached_encoding_name == null)
 217                                 cached_encoding_name = "utf-8";
 218
 219                         Encoding encoding = (Encoding)encodingHash [prop];
 220                         if (encoding == null || encoding.EncodingName != cached_encoding_name) {
 221                                 try {
 222                                         switch (cached_encoding_name.ToLower ()) {
 223                                         case "utf-16le":
 224                                         case "utf-16":
 225                                         case "ucs-2":
 226                                         case "unicode":
 227                                         case "iso-10646-ucs-2":
 228                                                 encoding = new UnicodeEncoding (false, true);
 229                                                 break;
 230                                         case "utf-16be":
 231                                         case "unicodefffe":
 232                                                 encoding = new UnicodeEncoding (true, true);
 233                                                 break;
 234                                         case "utf-8":
 235                                         case "unicode-1-1-utf-8":
 236                                         case "unicode-2-0-utf-8":
 237                                         case "x-unicode-1-1-utf-8":
 238                                         case "x-unicode-2-0-utf-8":
 239                                                 encoding = new UTF8Encoding (false, false);
 240                                                 break;
 241                                         default:
 242                                                 encoding = Encoding.GetEncoding (cached_encoding_name);
 243                                                 break;
 244                                         }
 245                                 } catch {
 246                                         EncodingFailed (prop.Name, cached_encoding_name);
 247                                         encoding = new UTF8Encoding (false, false);
 248                                 }
 249                         }
 250
 251                         encodingHash[prop] = encoding;
 252                         cached_encoding_name = encoding.EncodingName;
 253
 254                         return encoding;
 255                 }
 256
 257                 static void EncodingFailed (string att, string enc)
 258                 {
 259                         if (encoding_warning)
 260                                 return;
 261
 262                         encoding_warning = true;
 263                         Console.WriteLine ("Encoding {1} cannot be loaded.\n" +
 264                                            "{0}=\"{1}\"\n", att, enc);
 265                 }
 266
 267                 static void CultureFailed (string att, string cul)
 268                 {
 269                         if (culture_warning)
 270                                 return;
 271
 272                         culture_warning = true;
 273                         Console.WriteLine ("Culture {1} cannot be loaded. Perhaps your runtime \n" +
 274                                            "don't have ICU support?\n{0}=\"{1}\"\n", att, cul);
 275                 }
 276
 277 #endregion
 278         }
 279
 280 }
 281
 282 #endif
 283