mcs/class/System/System.Net.Configuration/NetConfigurationHandler.cs

   1 //
   2 // System.Net.Configuration.NetConfigurationHandler.cs
   3 //
   4 // Authors:
   5 //      Jerome Laban (jlaban@wanadoo.fr)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // (C) 2003 Ximian, Inc (http://www.ximian.com)
   9 // (c) 2004 Novell, Inc. (http://www.novell.com)
  10 //
  11
  12 //
  13 // Permission is hereby granted, free of charge, to any person obtaining
  14 // a copy of this software and associated documentation files (the
  15 // "Software"), to deal in the Software without restriction, including
  16 // without limitation the rights to use, copy, modify, merge, publish,
  17 // distribute, sublicense, and/or sell copies of the Software, and to
  18 // permit persons to whom the Software is furnished to do so, subject to
  19 // the following conditions:
  20 //
  21 // The above copyright notice and this permission notice shall be
  22 // included in all copies or substantial portions of the Software.
  23 //
  24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  31 //
  32
  33 using System.Collections;
  34 using System.Configuration;
  35 #if (XML_DEP)
  36 using System.Xml;
  37 #else
  38 using XmlNode = System.Object;
  39 #endif
  40
  41 namespace System.Net.Configuration
  42 {
  43         class NetConfigurationHandler : IConfigurationSectionHandler
  44         {
  45                 public virtual object Create (object parent, object configContext, XmlNode section)
  46                 {
  47                         NetConfig config = new NetConfig ();
  48 #if (XML_DEP)
  49                         if (section.Attributes != null && section.Attributes.Count != 0)
  50                                 HandlersUtil.ThrowException ("Unrecognized attribute", section);
  51
  52                         XmlNodeList reqHandlers = section.ChildNodes;
  53                         foreach (XmlNode child in reqHandlers) {
  54                                 XmlNodeType ntype = child.NodeType;
  55                                 if (ntype == XmlNodeType.Whitespace || ntype == XmlNodeType.Comment)
  56                                         continue;
  57
  58                                 if (ntype != XmlNodeType.Element)
  59                                         HandlersUtil.ThrowException ("Only elements allowed", child);
  60
  61                                 string name = child.Name;
  62                                 if (name == "ipv6") {
  63                                         string enabled = HandlersUtil.ExtractAttributeValue ("enabled", child, false);
  64                                         if (child.Attributes != null && child.Attributes.Count != 0)
  65                                                 HandlersUtil.ThrowException ("Unrecognized attribute", child);
  66
  67                                         if (enabled == "true")
  68                                                 config.ipv6Enabled = true;
  69                                         else if (enabled != "false")
  70                                                 HandlersUtil.ThrowException ("Invalid boolean value", child);
  71
  72                                         continue;
  73                                 }
  74
  75                                 if (name == "httpWebRequest") {
  76                                         string max = HandlersUtil.ExtractAttributeValue
  77                                                                 ("maximumResponseHeadersLength", child, true);
  78
  79                                         // this one is just ignored
  80                                         HandlersUtil.ExtractAttributeValue ("useUnsafeHeaderParsing", child, true);
  81
  82                                         if (child.Attributes != null && child.Attributes.Count != 0)
  83                                                 HandlersUtil.ThrowException ("Unrecognized attribute", child);
  84
  85                                         try {
  86                                                 if (max != null) {
  87                                                         int val = Int32.Parse (max.Trim ());
  88                                                         if (val < -1)
  89                                                                 HandlersUtil.ThrowException ("Must be -1 or >= 0", child);
  90
  91                                                         config.MaxResponseHeadersLength = val;
  92                                                 }
  93                                         } catch {
  94                                                 HandlersUtil.ThrowException ("Invalid int value", child);
  95                                         }
  96
  97                                         continue;
  98                                 }
  99
 100                                 HandlersUtil.ThrowException ("Unexpected element", child);
 101                         }
 102 #endif
 103
 104                         return config;
 105                 }
 106         }
 107 }