mcs/class/Mono.Xml.Ext/Mono.Xml/XmlStoredResolver.cs

   1 //\r
   2 // XmlStoredResolver.cs\r
   3 //\r
   4 // Author: Atsushi Enomoto <atsushi@ximian.com>\r
   5 //\r
   6 // This code is too short to have "creativity". (thus, there must be no \r
   7 // copyright on this code). Feel free to use anywhere.\r
   8 //\r
   9 // Use like this:\r
  10 //\r
  11 //      XmlDocument doc = new XmlDocument ();\r
  12 //      XmlStoredResolver r = new XmlStoredResolver (new XmlUrlResolver ());\r
  13 //      r.Add ("http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd",\r
  14 //              "svg10.dtd");\r
  15 //      doc.XmlResolver = r;\r
  16 //\r
  17 using System;\r
  18 using System.Collections;\r
  19 using System.Net;\r
  20 using System.Xml;\r
  21 \r
  22 namespace Mono.Xml\r
  23 {\r
  24         public class XmlStoredResolver : XmlResolver\r
  25         {\r
  26                 XmlResolver external;\r
  27                 XmlResolver local;\r
  28                 IDictionary uriTable;\r
  29 \r
  30                 public XmlStoredResolver (XmlResolver resolver)\r
  31                         : this (resolver, resolver, new Hashtable ())\r
  32                 {\r
  33                 }\r
  34 \r
  35                 public XmlStoredResolver (XmlResolver resolver, IDictionary uriTable)\r
  36                         : this (resolver, resolver, uriTable)\r
  37                 {\r
  38                 }\r
  39 \r
  40                 public XmlStoredResolver (XmlResolver external, XmlResolver local)\r
  41                         : this (external, local, new Hashtable ())\r
  42                 {\r
  43                 }\r
  44                 \r
  45                 public XmlStoredResolver (XmlResolver external, XmlResolver local, IDictionary uriTable)\r
  46                 {\r
  47                         this.external = external;\r
  48                         this.local = local;\r
  49                         this.uriTable = uriTable;\r
  50                 }\r
  51 \r
  52                 public override ICredentials Credentials {\r
  53                         set {\r
  54                                 external.Credentials = value;\r
  55                                 if (local != external)\r
  56                                         local.Credentials = value;\r
  57                         }\r
  58                 }\r
  59 \r
  60                 public IDictionary Mapping {\r
  61                         get { return uriTable; }\r
  62                 }\r
  63 \r
  64                 public void Add (string nominalUri, string actualLocation)\r
  65                 {\r
  66                         uriTable.Add (\r
  67                                 external.ResolveUri (null, nominalUri).ToString (),\r
  68                                 local.ResolveUri (null, actualLocation).ToString ());\r
  69                 }\r
  70 \r
  71                 public override object GetEntity (Uri uri, string role, Type returnType)\r
  72                 {\r
  73                         string uriString = uri.ToString ();\r
  74                         string actualLocation = (string) uriTable [uriString];\r
  75                         if (actualLocation == null)\r
  76                                 return external.GetEntity (uri, role, returnType);\r
  77                         else\r
  78                                 return local.GetEntity (local.ResolveUri (null, actualLocation), role, returnType);\r
  79                 }\r
  80         }\r
  81 }\r