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                 internal static object SafeGetSection (string sectionName, Type configSectionType)
 227                 {
 228                         try {
 229                                 return GetSection (sectionName);
 230                         } catch (Exception) {
 231                                 if (configSectionType != null)
 232                                         return Activator.CreateInstance (configSectionType);
 233                                 return null;
 234                         }
 235                 }
 236
 237                 internal static object SafeGetSection (string sectionName, string path, Type configSectionType)
 238                 {
 239                         try {
 240                                 return GetSection (sectionName, path);
 241                         } catch (Exception) {
 242                                 if (configSectionType != null)
 243                                         return Activator.CreateInstance (configSectionType);
 244                                 return null;
 245                         }
 246                 }
 247
 248                 public static object GetSection (string sectionName)
 249                 {
 250                         string path = (HttpContext.Current != null
 251                             && HttpContext.Current.Request != null) ?
 252                                 HttpContext.Current.Request.Path : HttpRuntime.AppDomainAppVirtualPath;
 253
 254                         return GetSection (sectionName, path);
 255                 }
 256
 257                 public static object GetSection (string sectionName, string path)
 258                 {
 259                         _Configuration c = OpenWebConfiguration (path);
 260                         ConfigurationSection section = c.GetSection (sectionName);
 261
 262                         if (section == null)
 263                                 return null;
 264
 265                         return get_runtime_object.Invoke (section, new object [0]);
 266                 }
 267
 268                 readonly static MethodInfo get_runtime_object = typeof (ConfigurationSection).GetMethod ("GetRuntimeObject", BindingFlags.NonPublic | BindingFlags.Instance);
 269
 270                 public static object GetWebApplicationSection (string sectionName)
 271                 {
 272                         string path = (HttpContext.Current == null
 273                                 || HttpContext.Current.Request == null
 274                                 || HttpContext.Current.Request.ApplicationPath == null
 275                                 || HttpContext.Current.Request.ApplicationPath == "") ?
 276                                 String.Empty : HttpContext.Current.Request.ApplicationPath;
 277
 278                         return GetSection (sectionName, path);
 279                 }
 280
 281                 public static NameValueCollection AppSettings {
 282                         get { return ConfigurationManager.AppSettings; }
 283                 }
 284
 285                 public static ConnectionStringSettingsCollection ConnectionStrings {
 286                         get { return ConfigurationManager.ConnectionStrings; }
 287                 }
 288
 289                 internal static IInternalConfigConfigurationFactory ConfigurationFactory {
 290                         get { return configFactory; }
 291                 }
 292
 293 #region stuff copied from WebConfigurationSettings
 294 #if TARGET_J2EE
 295                 static internal IConfigurationSystem oldConfig {
 296                         get {
 297                                 return (IConfigurationSystem)AppDomain.CurrentDomain.GetData("WebConfigurationManager.oldConfig");
 298                         }
 299                         set {
 300                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.oldConfig", value);
 301                         }
 302                 }
 303
 304                 static private Web20DefaultConfig config {
 305                         get {
 306                                 return (Web20DefaultConfig) AppDomain.CurrentDomain.GetData ("Web20DefaultConfig.config");
 307                         }
 308                         set {
 309                                 AppDomain.CurrentDomain.SetData ("Web20DefaultConfig.config", value);
 310                         }
 311                 }
 312
 313                 static private IInternalConfigSystem configSystem {
 314                         get {
 315                                 return (IInternalConfigSystem) AppDomain.CurrentDomain.GetData ("IInternalConfigSystem.configSystem");
 316                         }
 317                         set {
 318                                 AppDomain.CurrentDomain.SetData ("IInternalConfigSystem.configSystem", value);
 319                         }
 320                 }
 321 #else
 322                 static internal IConfigurationSystem oldConfig;
 323                 static Web20DefaultConfig config;
 324                 //static IInternalConfigSystem configSystem;
 325 #endif
 326                 const BindingFlags privStatic = BindingFlags.NonPublic | BindingFlags.Static;
 327                 static readonly object lockobj = new object ();
 328
 329                 internal static void Init ()
 330                 {
 331                         lock (lockobj) {
 332                                 if (config != null)
 333                                         return;
 334
 335                                 /* deal with the ConfigurationSettings stuff */
 336                                 {
 337                                         Web20DefaultConfig settings = Web20DefaultConfig.GetInstance ();
 338                                         Type t = typeof (ConfigurationSettings);
 339                                         MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
 340                                                                                privStatic);
 341
 342                                         if (changeConfig == null)
 343                                                 throw new ConfigurationException ("Cannot find method CCS");
 344
 345                                         object [] args = new object [] {settings};
 346                                         oldConfig = (IConfigurationSystem)changeConfig.Invoke (null, args);
 347                                         config = settings;
 348
 349                                         config.Init ();
 350                                 }
 351
 352                                 /* deal with the ConfigurationManager stuff */
 353                                 {
 354                                         HttpConfigurationSystem system = new HttpConfigurationSystem ();
 355                                         Type t = typeof (ConfigurationManager);
 356                                         MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
 357                                                                                privStatic);
 358
 359                                         if (changeConfig == null)
 360                                                 throw new ConfigurationException ("Cannot find method CCS");
 361
 362                                         object [] args = new object [] {system};
 363                                         changeConfig.Invoke (null, args);
 364                                         //configSystem = system;
 365                                 }
 366                         }
 367                 }
 368         }
 369
 370         class Web20DefaultConfig : IConfigurationSystem
 371         {
 372 #if TARGET_J2EE
 373                 static private Web20DefaultConfig instance {
 374                         get {
 375                                 Web20DefaultConfig val = (Web20DefaultConfig)AppDomain.CurrentDomain.GetData("Web20DefaultConfig.instance");
 376                                 if (val == null) {
 377                                         val = new Web20DefaultConfig();
 378                                         AppDomain.CurrentDomain.SetData("Web20DefaultConfig.instance", val);
 379                                 }
 380                                 return val;
 381                         }
 382                         set {
 383                                 AppDomain.CurrentDomain.SetData("Web20DefaultConfig.instance", value);
 384                         }
 385                 }
 386 #else
 387                 static Web20DefaultConfig instance;
 388 #endif
 389
 390                 static Web20DefaultConfig ()
 391                 {
 392                         instance = new Web20DefaultConfig ();
 393                 }
 394
 395                 public static Web20DefaultConfig GetInstance ()
 396                 {
 397                         return instance;
 398                 }
 399
 400                 public object GetConfig (string sectionName)
 401                 {
 402                         object o = WebConfigurationManager.GetWebApplicationSection (sectionName);
 403
 404                         if (o == null || o is IgnoreSection) {
 405                                 /* this can happen when the section
 406                                  * handler doesn't subclass from
 407                                  * ConfigurationSection.  let's be
 408                                  * nice and try to load it using the
 409                                  * 1.x style routines in case there's
 410                                  * a 1.x section handler registered
 411                                  * for it.
 412                                  */
 413                                 object o1 = WebConfigurationManager.oldConfig.GetConfig (sectionName);
 414                                 if (o1 != null)
 415                                         return o1;
 416                         }
 417
 418                         return o;
 419                 }
 420
 421                 public void Init ()
 422                 {
 423                         // nothing. We need a context.
 424                 }
 425         }
 426
 427 #endregion
 428 }
 429
 430 #endif