mcs/class/Microsoft.Web.Services/Microsoft.Web.Services.Xml/QualifiedName.cs

   1 //
   2 // Microsoft.Web.Services.Xml.QualifiedName.cs
   3 //
   4 // Author: Todd Berman <tberman@gentoo.org>
   5 //
   6 // (C) 2003 Todd Berman
   7
   8 using System;
   9 using System.Xml;
  10
  11 namespace Microsoft.Web.Services.Xml
  12 {
  13         public class QualifiedName : XmlQualifiedName
  14         {
  15
  16                 private string _prefix;
  17
  18                 public QualifiedName (string prefix, string name, string namespaceURI) : base (name, namespaceURI)
  19                 {
  20                         if(prefix == null) {
  21                                 throw new ArgumentNullException ("prefix");
  22                         }
  23                         _prefix = prefix;
  24                 }
  25
  26                 public static QualifiedName FromString (string value, XmlNode node)
  27                 {
  28                         if(node == null) {
  29                                 throw new ArgumentNullException ("node");
  30                         }
  31
  32                         if(value.IndexOf(':') > 0) {
  33                                 string[] strings = value.Split(':');
  34
  35                                 if(strings.Length != 2 || strings[0].Length == 0 || strings[1].Length == 0) {
  36                                         throw new FormatException ("xml_ImproperQName");
  37                                 }
  38
  39                                 string nspace = node.GetNamespaceOfPrefix (strings[0]);
  40
  41                                 if(nspace == null) {
  42                                         throw new FormatException ("xml_CouldNotResolveNSPrefix");
  43                                 }
  44
  45                                 if(nspace.Length == 0) {
  46                                         throw new FormatException ("xml_CouldNotResolveNSPrefix");
  47                                 }
  48
  49                                 return new QualifiedName (strings[0], strings[1], nspace);
  50                         }
  51
  52                         throw new FormatException ("xml_ImproperQName");
  53                 }
  54
  55                 public XmlAttribute GetNamespaceDecl (XmlDocument document)
  56                 {
  57                         if(document == null) {
  58                                 throw new ArgumentNullException ("document");
  59                         }
  60                         XmlAttribute attrib = document.CreateAttribute("xmlns",
  61                                                                        _prefix,
  62                                                                        "http://www.w3.org/2000/xmlns");
  63
  64                         attrib.Value = Namespace;
  65                         return attrib;
  66                 }
  67
  68                 public void GetQualifiedName (XmlDocument document, XmlElement element)
  69                 {
  70                         if(document == null) {
  71                                 throw new ArgumentNullException ("document");
  72                         }
  73                         if(element == null) {
  74                                 throw new ArgumentNullException ("element");
  75                         }
  76                         element.InnerText = Value;
  77                         if(Namespace != element.NamespaceURI) {
  78                                 element.Attributes.Append(GetNamespaceDecl(document));
  79                         }
  80                 }
  81
  82                 public string Prefix {
  83                         get { return _prefix; }
  84                 }
  85
  86                 public string Value {
  87                         get { return _prefix + ":" + Name; }
  88                 }
  89         }
  90 }