mcs/class/System.Configuration/System.Configuration/ConfigurationSection.cs

   1 //
   2 // System.Configuration.ConfigurationSection.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
  30 #if NET_2_0
  31 using System.Collections;
  32 using System.Xml;
  33 using System.IO;
  34 #if !TARGET_JVM
  35 using System.Security.Cryptography.Xml;
  36 #endif
  37
  38 namespace System.Configuration
  39 {
  40         public abstract class ConfigurationSection : ConfigurationElement
  41         {
  42                 SectionInformation sectionInformation;
  43                 IConfigurationSectionHandler section_handler;
  44
  45                 protected ConfigurationSection ()
  46                 {
  47                 }
  48
  49                 internal IConfigurationSectionHandler SectionHandler {
  50                         get { return section_handler; }
  51                         set { section_handler = value; }
  52                 }
  53
  54                 [MonoTODO]
  55                 public SectionInformation SectionInformation {
  56                         get {
  57                                 if (sectionInformation == null)
  58                                         sectionInformation = new SectionInformation ();
  59                                 return sectionInformation;
  60                         }
  61                 }
  62
  63                 [MonoTODO]
  64                 protected internal virtual object GetRuntimeObject ()
  65                 {
  66                         // FIXME: this hack is nasty. We should make some
  67                         // refactory on the entire assembly.
  68                         if (SectionHandler != null) {
  69                                 if (RawXml == null)
  70                                         return null;
  71                                 XmlDocument doc = new XmlDocument ();
  72                                 doc.LoadXml (RawXml);
  73                                 return SectionHandler.Create (null, null, doc.DocumentElement);
  74                         }
  75                         return this;
  76                 }
  77
  78                 [MonoTODO]
  79                 protected internal override bool IsModified ()
  80                 {
  81                         return base.IsModified ();
  82                 }
  83
  84                 [MonoTODO]
  85                 protected internal override void ResetModified ()
  86                 {
  87                         base.ResetModified ();
  88                 }
  89
  90                 ConfigurationElement CreateElement (Type t)
  91                 {
  92                         ConfigurationElement elem = (ConfigurationElement) Activator.CreateInstance (t);
  93                         elem.Init ();
  94                         if (IsReadOnly ())
  95                                 elem.SetReadOnly ();
  96                         return elem;
  97                 }
  98
  99                 [MonoTODO ("find the proper location for the decryption stuff")]
 100                 protected internal virtual void DeserializeSection (XmlReader reader)
 101                 {
 102                         reader.MoveToContent ();
 103
 104                         /* XXX this stuff shouldn't be here */
 105                         {
 106                                 string protection_provider = null;
 107
 108                                 while (reader.MoveToNextAttribute ()) {
 109                                         if (reader.LocalName == "configProtectionProvider")
 110                                                 protection_provider = reader.Value;
 111                                 }
 112
 113                                 if (protection_provider != null) {
 114                                         ProtectedConfigurationProvider prov = ProtectedConfiguration.GetProvider (protection_provider, true);
 115                                         XmlDocument doc = new XmlDocument ();
 116
 117                                         reader.MoveToElement ();
 118
 119                                         doc.Load (new StringReader (reader.ReadInnerXml ()));
 120
 121                                         XmlNode n = prov.Decrypt (doc);
 122
 123                                         reader = new XmlNodeReader (n);
 124
 125                                         SectionInformation.ProtectSection (protection_provider);
 126
 127                                         reader.MoveToContent ();
 128                                 }
 129                         }
 130
 131                         SectionInformation.SetRawXml (RawXml);
 132                         DeserializeElement (reader, false);
 133                 }
 134
 135                 protected internal virtual string SerializeSection (ConfigurationElement parentElement, string name, ConfigurationSaveMode saveMode)
 136                 {
 137                         ConfigurationElement elem;
 138                         if (parentElement != null) {
 139                                 elem = (ConfigurationElement) CreateElement (GetType());
 140                                 elem.Unmerge (this, parentElement, saveMode);
 141                         }
 142                         else
 143                                 elem = this;
 144
 145                         StringWriter sw = new StringWriter ();
 146                         XmlTextWriter tw = new XmlTextWriter (sw);
 147                         tw.Formatting = Formatting.Indented;
 148                         elem.SerializeToXmlElement (tw, name);
 149                         tw.Close ();
 150                         return sw.ToString ();
 151                 }
 152         }
 153 }
 154 #endif