//
// XmlDataSourceResolver.cs
//
// Author:
// Atsushi Enomoto <atsushi@ximian.com>
//
// (C)2003 Novell inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System;
using System.Collections;
using System.Data;
using System.Data.SqlXml;
using System.Net;
namespace System.Xml{
public class XmlDataSourceResolver : XmlResolver
{
XmlNameTable nameTable;
Hashtable table;
public XmlDataSourceResolver ()
: this (new NameTable ())
{
}
public XmlDataSourceResolver (XmlNameTable nameTable)
{
this.nameTable = nameTable;
table = new Hashtable ();
}
public virtual int Count {
get { return table.Count; }
}
public ICredentials Credentials {
set { throw new NotImplementedException (); }
}
public virtual object this [string query] {
get { return table [new Uri (query, true, true)]; }
}
public virtual void Add (string name, IDbConnection dbConnection)
{
table.Add (new Uri (name), dbConnection);
}
public virtual void Add (string name, IDbTransaction dbTransaction)
{
table.Add (new Uri (name), dbTransaction);
}
public virtual void Add (string name, string sourceUri)
{
table.Add (new Uri (name), sourceUri);
}
public virtual void Add (string name, XmlReader documentReader)
{
table.Add (new Uri (name), documentReader);
}
public virtual void Add (string name, XPathNavigator2 document)
{
table.Add (new Uri (name), document);
}
public virtual void Clear ()
{
table.Clear ();
}
public virtual bool Contains (string name)
{
return table.ContainsKey (new Uri (name, true, true));
}
public override object GetEntity (Uri absoluteUri,
string role,
Type ofObjectToReturn)
{
if (absoluteUri == null)
throw new ArgumentNullException ("absoluteUri");
if (ofObjectToReturn == null)
throw new ArgumentNullException ("ofObjectToReturn");
object o = table [absoluteUri];
if (o == null)
return null;
Type type = o.GetType ();
if (type == ofObjectToReturn)
return o;
else if (type.IsSubClassOf (ofObjectToReturn))
return o;
switch (ofObjectToReturn.FullName) {
case "System.Data.IDbConnection":
throw new NotImplementedException ();
case "System.Xml.XPathNavigator2":
return GetXPathNavigator (o);
case "System.Array": // array of IXPathNavigable
throw new NotImplementedException ();
default:
throw new NotSupportedException ();
}
}
private XPathNavigator2 GetXPathNavigator (object o)
{
if (o is string)
return new XPathDocument2 (new XmlTextReader (o as string)).CreateNavigator ();
else if (o is XmlReader)
return new XPathDocument2 (o as XmlReader).CreateNavigator ();
else
throw new NotImplementedException ();
}
public IDictionaryEnumerator GetEnumerator ()
{
return table.GetEnumerator ();
}
public void Remove (string name)
{
table.Remove (new Uri (name, true, true));
}
public override Uri ResolveUri (Uri baseUri, string relativeUri)
{
// XmlDataSourceResolver has no concept of base URIs.
// Note that this constructor uses new .NET 1.2 feature.
return new Uri (relativeUri, true, true)
}
}
}
#endif
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