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

   1 //
   2 // System.Web.Configuration.WebConfigurationManager.cs
   3 //
   4 // Authors:
   5 //      Lluis Sanchez Gual (lluis@novell.com)
   6 //      Chris Toshok (toshok@ximian.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  28 //
  29
  30 #if NET_2_0
  31
  32 using System;
  33 using System.IO;
  34 using System.Collections;
  35 using System.Collections.Specialized;
  36 using System.Reflection;
  37 using System.Xml;
  38 using System.Configuration;
  39 using System.Configuration.Internal;
  40 using _Configuration = System.Configuration.Configuration;
  41
  42 namespace System.Web.Configuration {
  43
  44         public static class WebConfigurationManager
  45         {
  46 #if !TARGET_J2EE
  47                 static IInternalConfigConfigurationFactory configFactory;
  48                 static Hashtable configurations = new Hashtable ();
  49 #else
  50                 static internal IInternalConfigConfigurationFactory configFactory
  51                 {
  52                         get{
  53                                 IInternalConfigConfigurationFactory factory = (IInternalConfigConfigurationFactory)AppDomain.CurrentDomain.GetData("WebConfigurationManager.configFactory");
  54                                 if (factory == null){
  55                                         lock (AppDomain.CurrentDomain){
  56                                                 object initialized = AppDomain.CurrentDomain.GetData("WebConfigurationManager.configFactory.initialized");
  57                                                 if (initialized == null){
  58                                                         PropertyInfo prop = typeof(ConfigurationManager).GetProperty("ConfigurationFactory", BindingFlags.Static | BindingFlags.NonPublic);
  59                                                         if (prop != null){
  60                                                                 factory = prop.GetValue(null, null) as IInternalConfigConfigurationFactory;
  61                                                                 configFactory = factory;
  62                                                         }
  63                                                 }
  64                                         }
  65                                 }
  66                                 return factory != null ? factory : configFactory;
  67                         }
  68                         set{
  69                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configFactory", value);
  70                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configFactory.initialized", true);
  71                         }
  72                 }
  73
  74                 static internal Hashtable configurations
  75                 {
  76                         get{
  77                                 Hashtable table = (Hashtable)AppDomain.CurrentDomain.GetData("WebConfigurationManager.configurations");
  78                                 if (table == null){
  79                                         lock (AppDomain.CurrentDomain){
  80                                                 object initialized = AppDomain.CurrentDomain.GetData("WebConfigurationManager.configurations.initialized");
  81                                                 if (initialized == null){
  82                                                         table = new Hashtable();
  83                                                         configurations = table;
  84                                                 }
  85                                         }
  86                                 }
  87                                 return table != null ? table : configurations;
  88
  89                         }
  90                         set{
  91                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configurations", value);
  92                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configurations.initialized", true);
  93                         }
  94                 }
  95 #endif
  96
  97                 static internal ArrayList extra_assemblies = null;
  98                 static internal ArrayList ExtraAssemblies {
  99                         get {
 100                                 if (extra_assemblies == null)
 101                                         extra_assemblies = new ArrayList();
 102                                 return extra_assemblies;
 103                         }
 104                 }
 105
 106                 static WebConfigurationManager ()
 107                 {
 108                         PropertyInfo prop = typeof(ConfigurationManager).GetProperty ("ConfigurationFactory", BindingFlags.Static | BindingFlags.NonPublic);
 109                         if (prop != null)
 110                                 configFactory = prop.GetValue (null, null) as IInternalConfigConfigurationFactory;
 111                 }
 112
 113                 public static _Configuration OpenMachineConfiguration ()
 114                 {
 115                         return ConfigurationManager.OpenMachineConfiguration ();
 116                 }
 117
 118                 [MonoTODO ("need to handle locationSubPath")]
 119                 public static _Configuration OpenMachineConfiguration (string locationSubPath)
 120                 {
 121                         return OpenMachineConfiguration ();
 122                 }
 123
 124                 [MonoTODO("Mono does not support remote configuration")]
 125                 public static _Configuration OpenMachineConfiguration (string locationSubPath,
 126                                                                        string server)
 127                 {
 128                         if (server == null)
 129                                 return OpenMachineConfiguration (locationSubPath);
 130
 131                         throw new NotSupportedException ("Mono doesn't support remote configuration");
 132                 }
 133
 134                 [MonoTODO("Mono does not support remote configuration")]
 135                 public static _Configuration OpenMachineConfiguration (string locationSubPath,
 136                                                                        string server,
 137                                                                        IntPtr userToken)
 138                 {
 139                         if (server == null)
 140                                 return OpenMachineConfiguration (locationSubPath);
 141                         throw new NotSupportedException ("Mono doesn't support remote configuration");
 142                 }
 143
 144                 [MonoTODO("Mono does not support remote configuration")]
 145                 public static _Configuration OpenMachineConfiguration (string locationSubPath,
 146                                                                        string server,
 147                                                                        string userName,
 148                                                                        string password)
 149                 {
 150                         if (server == null)
 151                                 return OpenMachineConfiguration (locationSubPath);
 152                         throw new NotSupportedException ("Mono doesn't support remote configuration");
 153                 }
 154
 155                 public static _Configuration OpenWebConfiguration (string path)
 156                 {
 157                         return OpenWebConfiguration (path, null, null, null, null, null);
 158                 }
 159
 160                 public static _Configuration OpenWebConfiguration (string path, string site)
 161                 {
 162                         return OpenWebConfiguration (path, site, null, null, null, null);
 163                 }
 164
 165                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath)
 166                 {
 167                         return OpenWebConfiguration (path, site, locationSubPath, null, null, null);
 168                 }
 169
 170                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath, string server)
 171                 {
 172                         return OpenWebConfiguration (path, site, locationSubPath, server, null, null);
 173                 }
 174
 175                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath, string server, IntPtr userToken)
 176                 {
 177                         return OpenWebConfiguration (path, site, locationSubPath, server, null, null);
 178                 }
 179
 180                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath, string server, string userName, string password)
 181                 {
 182                         if (path == null || path.Length == 0)
 183                                 path = "/";
 184
 185                         _Configuration conf;
 186
 187                         conf = (_Configuration) configurations [path];
 188                         if (conf == null) {
 189                                 lock (configurations) {
 190                                         conf = (_Configuration) configurations [path];
 191                                         if (conf == null) {
 192                                                 conf = ConfigurationFactory.Create (typeof (WebConfigurationHost), null, path, site, locationSubPath, server, userName, password);
 193                                                 configurations [path] = conf;
 194                                         }
 195                                 }
 196                         }
 197                         return conf;
 198                 }
 199
 200                 public static _Configuration OpenMappedWebConfiguration (WebConfigurationFileMap fileMap, string path)
 201                 {
 202                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap, path);
 203                 }
 204
 205                 public static _Configuration OpenMappedWebConfiguration (WebConfigurationFileMap fileMap, string path, string site)
 206                 {
 207                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap, path, site);
 208                 }
 209
 210                 public static _Configuration OpenMappedWebConfiguration (WebConfigurationFileMap fileMap, string path, string site, string locationSubPath)
 211                 {
 212                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap, path, site, locationSubPath);
 213                 }
 214
 215                 public static _Configuration OpenMappedMachineConfiguration (ConfigurationFileMap fileMap)
 216                 {
 217                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap);
 218                 }
 219
 220                 public static _Configuration OpenMappedMachineConfiguration (ConfigurationFileMap fileMap,
 221                                                                              string locationSubPath)
 222                 {
 223                         return OpenMappedMachineConfiguration (fileMap);
 224                 }
 225
 226                 public static object GetSection (string sectionName)
 227                 {
 228                         string path = (HttpContext.Current != null
 229                             && HttpContext.Current.Request != null) ?
 230                                 HttpContext.Current.Request.Path : HttpRuntime.AppDomainAppVirtualPath;
 231
 232                         return GetSection (sectionName, path);
 233                 }
 234
 235                 public static object GetSection (string sectionName, string path)
 236                 {
 237                         _Configuration c = OpenWebConfiguration (path);
 238                         ConfigurationSection section = c.GetSection (sectionName);
 239
 240                         if (section == null)
 241                                 return null;
 242
 243                         return get_runtime_object.Invoke (section, new object [0]);
 244                 }
 245
 246                 readonly static MethodInfo get_runtime_object = typeof (ConfigurationSection).GetMethod ("GetRuntimeObject", BindingFlags.NonPublic | BindingFlags.Instance);
 247
 248                 public static object GetWebApplicationSection (string sectionName)
 249                 {
 250                         string path = (HttpContext.Current == null
 251                                 || HttpContext.Current.Request == null
 252                                 || HttpContext.Current.Request.ApplicationPath == null
 253                                 || HttpContext.Current.Request.ApplicationPath == "") ?
 254                                 String.Empty : HttpContext.Current.Request.ApplicationPath;
 255
 256                         return GetSection (sectionName, path);
 257                 }
 258
 259                 public static NameValueCollection AppSettings {
 260                         get { return ConfigurationManager.AppSettings; }
 261                 }
 262
 263                 public static ConnectionStringSettingsCollection ConnectionStrings {
 264                         get { return ConfigurationManager.ConnectionStrings; }
 265                 }
 266
 267                 internal static IInternalConfigConfigurationFactory ConfigurationFactory {
 268                         get { return configFactory; }
 269                 }
 270
 271 #region stuff copied from WebConfigurationSettings
 272 #if TARGET_J2EE
 273                 static internal IConfigurationSystem oldConfig {
 274                         get {
 275                                 return (IConfigurationSystem)AppDomain.CurrentDomain.GetData("WebConfigurationManager.oldConfig");
 276                         }
 277                         set {
 278                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.oldConfig", value);
 279                         }
 280                 }
 281
 282                 static private Web20DefaultConfig config {
 283                         get {
 284                                 return (Web20DefaultConfig) AppDomain.CurrentDomain.GetData ("Web20DefaultConfig.config");
 285                         }
 286                         set {
 287                                 AppDomain.CurrentDomain.SetData ("Web20DefaultConfig.config", value);
 288                         }
 289                 }
 290
 291                 static private IInternalConfigSystem configSystem {
 292                         get {
 293                                 return (IInternalConfigSystem) AppDomain.CurrentDomain.GetData ("IInternalConfigSystem.configSystem");
 294                         }
 295                         set {
 296                                 AppDomain.CurrentDomain.SetData ("IInternalConfigSystem.configSystem", value);
 297                         }
 298                 }
 299 #else
 300                 static internal IConfigurationSystem oldConfig;
 301                 static Web20DefaultConfig config;
 302                 //static IInternalConfigSystem configSystem;
 303 #endif
 304                 const BindingFlags privStatic = BindingFlags.NonPublic | BindingFlags.Static;
 305                 static readonly object lockobj = new object ();
 306
 307                 internal static void Init ()
 308                 {
 309                         lock (lockobj) {
 310                                 if (config != null)
 311                                         return;
 312
 313                                 /* deal with the ConfigurationSettings stuff */
 314                                 {
 315                                         Web20DefaultConfig settings = Web20DefaultConfig.GetInstance ();
 316                                         Type t = typeof (ConfigurationSettings);
 317                                         MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
 318                                                                                privStatic);
 319
 320                                         if (changeConfig == null)
 321                                                 throw new ConfigurationException ("Cannot find method CCS");
 322
 323                                         object [] args = new object [] {settings};
 324                                         oldConfig = (IConfigurationSystem)changeConfig.Invoke (null, args);
 325                                         config = settings;
 326
 327                                         config.Init ();
 328                                 }
 329
 330                                 /* deal with the ConfigurationManager stuff */
 331                                 {
 332                                         HttpConfigurationSystem system = new HttpConfigurationSystem ();
 333                                         Type t = typeof (ConfigurationManager);
 334                                         MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
 335                                                                                privStatic);
 336
 337                                         if (changeConfig == null)
 338                                                 throw new ConfigurationException ("Cannot find method CCS");
 339
 340                                         object [] args = new object [] {system};
 341                                         changeConfig.Invoke (null, args);
 342                                         //configSystem = system;
 343                                 }
 344                         }
 345                 }
 346         }
 347
 348         class Web20DefaultConfig : IConfigurationSystem
 349         {
 350 #if TARGET_J2EE
 351                 static private Web20DefaultConfig instance {
 352                         get {
 353                                 Web20DefaultConfig val = (Web20DefaultConfig)AppDomain.CurrentDomain.GetData("Web20DefaultConfig.instance");
 354                                 if (val == null) {
 355                                         val = new Web20DefaultConfig();
 356                                         AppDomain.CurrentDomain.SetData("Web20DefaultConfig.instance", val);
 357                                 }
 358                                 return val;
 359                         }
 360                         set {
 361                                 AppDomain.CurrentDomain.SetData("Web20DefaultConfig.instance", value);
 362                         }
 363                 }
 364 #else
 365                 static Web20DefaultConfig instance;
 366 #endif
 367
 368                 static Web20DefaultConfig ()
 369                 {
 370                         instance = new Web20DefaultConfig ();
 371                 }
 372
 373                 public static Web20DefaultConfig GetInstance ()
 374                 {
 375                         return instance;
 376                 }
 377
 378                 public object GetConfig (string sectionName)
 379                 {
 380                         object o = WebConfigurationManager.GetWebApplicationSection (sectionName);
 381
 382                         if (o == null || o is IgnoreSection) {
 383                                 /* this can happen when the section
 384                                  * handler doesn't subclass from
 385                                  * ConfigurationSection.  let's be
 386                                  * nice and try to load it using the
 387                                  * 1.x style routines in case there's
 388                                  * a 1.x section handler registered
 389                                  * for it.
 390                                  */
 391                                 object o1 = WebConfigurationManager.oldConfig.GetConfig (sectionName);
 392                                 if (o1 != null)
 393                                         return o1;
 394                         }
 395
 396                         return o;
 397                 }
 398
 399                 public void Init ()
 400                 {
 401                         // nothing. We need a context.
 402                 }
 403         }
 404
 405 #endregion
 406 }
 407
 408 #endif