OpenSimMirror/Common/OpenSim.GenericConfig/Xml/XmlConfig.cs

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C#
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using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using OpenSim.Framework.Interfaces;
namespace OpenSim.GenericConfig
{
public class XmlConfig : IGenericConfig
{
private XmlDocument doc;
private XmlNode rootNode;
private XmlNode configNode;
private string fileName;
private bool createdFile = false;
public XmlConfig(string filename)
{
fileName = filename;
}
public void LoadData()
{
doc = new XmlDocument();
try
{
if (System.IO.File.Exists(fileName))
{
XmlTextReader reader = new XmlTextReader(fileName);
reader.WhitespaceHandling = WhitespaceHandling.None;
doc.Load(reader);
reader.Close();
}
else
{
createdFile = true;
rootNode = doc.CreateNode(XmlNodeType.Element, "Root", "");
doc.AppendChild(rootNode);
configNode = doc.CreateNode(XmlNodeType.Element, "Config", "");
rootNode.AppendChild(configNode);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return;
}
try
{
rootNode = doc.FirstChild;
if (rootNode.Name != "Root")
throw new Exception("Error: Invalid .xml File. Missing <Root>");
configNode = rootNode.FirstChild;
if (configNode.Name != "Config")
throw new Exception("Error: Invalid .xml File. <Root> first child should be <Config>");
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
if (createdFile)
{
this.Commit();
}
}
public string GetAttribute(string attributeName)
{
string result = "";
if (configNode.Attributes[attributeName] != null)
{
result = ((XmlAttribute)configNode.Attributes.GetNamedItem(attributeName)).Value;
}
return result;
}
public bool SetAttribute(string attributeName, string attributeValue)
{
if (configNode.Attributes[attributeName] != null)
{
((XmlAttribute)configNode.Attributes.GetNamedItem(attributeName)).Value = attributeValue;
}
else
{
XmlAttribute attri;
attri = doc.CreateAttribute(attributeName);
attri.Value = attributeValue;
configNode.Attributes.Append(attri);
}
return true;
}
public void Commit()
{
doc.Save(fileName);
}
public void Close()
{
configNode = null;
rootNode = null;
doc = null;
}
}
}