mcs/class/System.Configuration/System.Configuration/ConfigurationManager.cs

   1 //
   2 // System.Configuration.ConfigurationManager.cs
   3 //
   4 // Authors:
   5 //      Duncan Mak (duncan@ximian.com)
   6 //      Lluis Sanchez Gual (lluis@novell.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) 2004 Novell, Inc (http://www.novell.com)
  28 //
  29 #if NET_2_0
  30 using System;
  31 using System.Collections;
  32 using System.Runtime.CompilerServices;
  33 using System.Collections.Specialized;
  34 using System.Reflection;
  35 using System.Xml;
  36 using System.IO;
  37 using System.Text;
  38 using System.Configuration.Internal;
  39
  40 namespace System.Configuration {
  41
  42         /*roaming user config path: C:\Documents and Settings\toshok\Application Data\domain-System.Configurati_Url_py3nlovv3wxe21qgacxc3n2b1mph2log\1.0.0.0\user.config */
  43
  44         public static class ConfigurationManager
  45         {
  46                 static InternalConfigurationFactory configFactory = new InternalConfigurationFactory ();
  47                 static IInternalConfigSystem configSystem = new ClientConfigurationSystem ();
  48                 static object lockobj = new object ();
  49
  50                 [MonoTODO ("Evidence and version still needs work")]
  51                 static string GetAssemblyInfo (Assembly a)
  52                 {
  53                         object[] attrs;
  54                         StringBuilder sb;
  55
  56                         string app_name;
  57                         string evidence_str;
  58                         string version;
  59
  60                         attrs = a.GetCustomAttributes (typeof (AssemblyProductAttribute), false);
  61                         if (attrs != null && attrs.Length > 0)
  62                                 app_name = ((AssemblyProductAttribute)attrs[0]).Product;
  63                         else
  64                                 app_name = AppDomain.CurrentDomain.FriendlyName;
  65
  66                         sb = new StringBuilder();
  67
  68                         sb.Append ("evidencehere");
  69
  70                         evidence_str = sb.ToString();
  71
  72                         attrs = a.GetCustomAttributes (typeof (AssemblyVersionAttribute), false);
  73                         if (attrs != null && attrs.Length > 0)
  74                                 version = ((AssemblyVersionAttribute)attrs[0]).Version;
  75                         else
  76                                 version = "1.0.0.0" /* XXX */;
  77
  78
  79                         return Path.Combine (String.Format ("{0}_{1}", app_name, evidence_str), version);
  80                 }
  81
  82                 internal static Configuration OpenExeConfigurationInternal (ConfigurationUserLevel userLevel, Assembly calling_assembly, string exePath)
  83                 {
  84                         if (calling_assembly == null && exePath == null)
  85                                 throw new ArgumentException ("exePath must be specified when not running inside a stand alone exe.");
  86
  87                         ExeConfigurationFileMap map = new ExeConfigurationFileMap ();
  88
  89                         /* Roaming and RoamingAndLocal should be different
  90
  91                         On windows,
  92                           PerUserRoaming = \Documents and Settings\<username>\Application Data\...
  93                           PerUserRoamingAndLocal = \Documents and Settings\<username>\Local Settings\Application Data\...
  94                         */
  95
  96                         switch (userLevel) {
  97                         case ConfigurationUserLevel.None:
  98                                 if (exePath == null)
  99                                         exePath = calling_assembly.Location;
 100                                 else if (!File.Exists (exePath))
 101                                         exePath = "";
 102
 103                                 if (exePath != "") {
 104                                         if (!exePath.EndsWith (".config"))
 105                                                 map.ExeConfigFilename = exePath + ".config";
 106                                         else
 107                                                 map.ExeConfigFilename = exePath;
 108                                 }
 109                                 break;
 110                         case ConfigurationUserLevel.PerUserRoaming:
 111                                 map.RoamingUserConfigFilename = Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.ApplicationData), GetAssemblyInfo(calling_assembly));
 112                                 map.RoamingUserConfigFilename = Path.Combine (map.RoamingUserConfigFilename, "user.config");
 113                                 goto case ConfigurationUserLevel.PerUserRoamingAndLocal;
 114
 115                         case ConfigurationUserLevel.PerUserRoamingAndLocal:
 116                                 map.LocalUserConfigFilename = Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.LocalApplicationData), GetAssemblyInfo(calling_assembly));
 117                                 map.LocalUserConfigFilename = Path.Combine (map.LocalUserConfigFilename, "user.config");
 118                                 break;
 119                         }
 120
 121                         return ConfigurationFactory.Create (typeof(ExeConfigurationHost), map);
 122                 }
 123
 124                 public static Configuration OpenExeConfiguration (ConfigurationUserLevel userLevel)
 125                 {
 126                         return OpenExeConfigurationInternal (userLevel, Assembly.GetCallingAssembly (), null);
 127                 }
 128
 129                 public static Configuration OpenExeConfiguration (string exePath)
 130                 {
 131                         return OpenExeConfigurationInternal (ConfigurationUserLevel.None, Assembly.GetCallingAssembly (), exePath);
 132                 }
 133
 134                 [MonoTODO ("userLevel")]
 135                 public static Configuration OpenMappedExeConfiguration (ExeConfigurationFileMap fileMap, ConfigurationUserLevel userLevel)
 136                 {
 137                         return ConfigurationFactory.Create (typeof(ExeConfigurationHost), fileMap);
 138                 }
 139
 140                 public static Configuration OpenMachineConfiguration ()
 141                 {
 142                         ConfigurationFileMap map = new ConfigurationFileMap ();
 143                         return ConfigurationFactory.Create (typeof(MachineConfigurationHost), map);
 144                 }
 145
 146                 public static Configuration OpenMappedMachineConfiguration (ConfigurationFileMap fileMap)
 147                 {
 148                         return ConfigurationFactory.Create (typeof(MachineConfigurationHost), fileMap);
 149                 }
 150
 151                 internal static IInternalConfigConfigurationFactory ConfigurationFactory {
 152                         get { return configFactory; }
 153                 }
 154
 155                 internal static IInternalConfigSystem ConfigurationSystem {
 156                         get { return configSystem; }
 157                 }
 158
 159                 public static object GetSection (string sectionName)
 160                 {
 161                         object o = ConfigurationSystem.GetSection (sectionName);
 162                         if (o is ConfigurationSection)
 163                                 return ((ConfigurationSection) o).GetRuntimeObject ();
 164                         else
 165                                 return o;
 166                 }
 167
 168                 public static void RefreshSection (string sectionName)
 169                 {
 170                         ConfigurationSystem.RefreshConfig (sectionName);
 171                 }
 172
 173                 public static NameValueCollection AppSettings {
 174                         get {
 175                                 return (NameValueCollection) GetSection ("appSettings");
 176                         }
 177                 }
 178
 179                 [MonoTODO]
 180                 public static ConnectionStringSettingsCollection ConnectionStrings {
 181                         get {
 182                                 ConnectionStringsSection connectionStrings = (ConnectionStringsSection) GetSection ("connectionStrings");
 183                                 return connectionStrings.ConnectionStrings;
 184                         }
 185                 }
 186
 187                 /* invoked from System.Web */
 188                 static IInternalConfigSystem ChangeConfigurationSystem (IInternalConfigSystem newSystem)
 189                 {
 190                         if (newSystem == null)
 191                                 throw new ArgumentNullException ("newSystem");
 192
 193                         lock (lockobj) {
 194                                 IInternalConfigSystem old = configSystem;
 195                                 configSystem = newSystem;
 196                                 return old;
 197                         }
 198                 }
 199         }
 200 }
 201
 202 #endif