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//
// Mono.Data.ProviderSectionHandler
//
// Authors:
// Brian Ritchie (brianlritchie@hotmail.com)
//
//
// Copyright (C) Brian Ritchie, 2002
//
//
// 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.
//
using System;
using System.Xml;
using System.Configuration;
namespace Mono.Data
{
public class ProviderSectionHandler : IConfigurationSectionHandler
{
public virtual object Create(object parent,object configContext,XmlNode section)
{
ProviderCollection providers=new ProviderCollection();
XmlNodeList ProviderList = section.SelectNodes ("./provider");
foreach (XmlNode ProviderNode in ProviderList) {
Provider provider=new Provider(
GetStringValue(ProviderNode,"name",true),
GetStringValue(ProviderNode,"connection",true),
GetStringValue(ProviderNode,"adapter",true),
GetStringValue(ProviderNode,"command",true),
GetStringValue(ProviderNode,"assembly",true),
GetStringValue(ProviderNode,"description",false));
providers.Add(provider);
}
return providers;
}
private string GetStringValue(XmlNode _node, string _attribute, bool required)
{
XmlNode a = _node.Attributes.RemoveNamedItem(_attribute);
if (a == null) {
if (required)
throw new ConfigurationException("Attribute required: " + _attribute);
else
return null;
}
return a.Value;
}
}
}
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