ActiveRecord/Castle.ActiveRecord/Framework/Config/ActiveRecordSectionHandler.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.ActiveRecord.Framework.Config
  16 {
  17         using System;
  18         using System.Configuration;
  19         using System.Xml;
  20
  21         /// <summary>
  22         /// Reads the configuration from a entry 'activerecord'
  23         /// in the xml associated with the AppDomain
  24         /// </summary>
  25         public class ActiveRecordSectionHandler : XmlConfigurationSource, IConfigurationSectionHandler
  26         {
  27                 /// <summary>
  28                 /// Creates a configuration section handler.
  29                 /// </summary>
  30                 /// <param name="parent"></param>
  31                 /// <param name="configContext">Configuration context object.</param>
  32                 /// <param name="section"></param>
  33                 /// <returns>The created section handler object.</returns>
  34                 public object Create(object parent, object configContext, XmlNode section)
  35                 {
  36                         PopulateSource(section);
  37
  38                         return this;
  39                 }
  40
  41                 /// <summary>
  42                 /// Gets the sole instance.
  43                 /// </summary>
  44                 /// <value>The instance.</value>
  45                 public static IConfigurationSource Instance
  46                 {
  47                         get
  48                         {
  49                                 IConfigurationSource source;
  50
  51                                 source =
  52                                         ConfigurationManager.GetSection("activerecord") as IConfigurationSource;
  53
  54                                 if (source == null)
  55                                 {
  56                                         String message = "Could not obtain configuration from the AppDomain config file." +
  57                                                          " Sorry, but you have to fill the configuration or provide a " +
  58                                                          "IConfigurationSource instance yourself.";
  59
  60                                         throw new ConfigurationErrorsException(message);
  61                                 }
  62
  63                                 return source;
  64                         }
  65                 }
  66         }
  67 }