Core/Castle.Core/Model/Configuration/Xml/XmlConfigurationDeserializer.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.Core.Configuration.Xml
  16 {
  17         using System;
  18         using System.Text;
  19         using System.Xml;
  20
  21         /// <summary>
  22         /// Pendent
  23         /// </summary>
  24         public class XmlConfigurationDeserializer
  25         {
  26                 /// <summary>
  27                 /// Deserializes the specified node into an abstract representation of configuration.
  28                 /// </summary>
  29                 /// <param name="node">The node.</param>
  30                 /// <returns></returns>
  31                 public IConfiguration Deserialize(XmlNode node)
  32                 {
  33                         return Deserialize(node);
  34                 }
  35
  36                 public static IConfiguration GetDeserializedNode(XmlNode node)
  37                 {
  38                         MutableConfiguration config;
  39                         ConfigurationCollection configChilds = new ConfigurationCollection();
  40
  41                         StringBuilder configValue = new StringBuilder();
  42
  43                         if (node.HasChildNodes)
  44                         {
  45                                 foreach(XmlNode child in node.ChildNodes)
  46                                 {
  47                                         if (IsTextNode(child))
  48                                         {
  49                                                 configValue.Append(child.Value);
  50                                         }
  51                                         else if (child.NodeType == XmlNodeType.Element)
  52                                         {
  53                                                 configChilds.Add(GetDeserializedNode(child));
  54                                         }
  55                                 }
  56                         }
  57
  58                         config = new MutableConfiguration(node.Name, GetConfigValue(configValue.ToString()));
  59
  60                         foreach(XmlAttribute attribute in node.Attributes)
  61                         {
  62                                 config.Attributes.Add(attribute.Name, attribute.Value);
  63                         }
  64
  65                         config.Children.AddRange(configChilds);
  66
  67                         return config;
  68                 }
  69
  70                 /// <summary>
  71                 /// If a config value is an empty string we return null, this is to keep
  72                 /// backward compability with old code
  73                 /// </summary>
  74                 public static string GetConfigValue(string value)
  75                 {
  76                         value = value.Trim();
  77
  78                         return value == String.Empty ? null : value;
  79                 }
  80
  81                 public static bool IsTextNode(XmlNode node)
  82                 {
  83                         return node.NodeType == XmlNodeType.Text || node.NodeType == XmlNodeType.CDATA;
  84                 }
  85         }
  86 }