PROMS/DataLoader/ConfigInfo.cs

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+// ========================================================================
+// Copyright 2006 - Volian Enterprises, Inc. All rights reserved.          
+// Volian Enterprises - Proprietary Information - DO NOT COPY OR DISTRIBUTE
+// ------------------------------------------------------------------------
+// $Workfile: $     $Revision: $                                           
+// $Author: $   $Date: $                                                   
+//                                                                         
+// $History: $                                                             
+// ========================================================================
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Xml;
+
+namespace DataLoader
+{
+	class ConfigInfo
+	{
+		private XmlDocument xmldoc;
+		public ConfigInfo(string xml)
+		{
+            xmldoc = new XmlDocument();
+            if (xml == null)
+                xmldoc.LoadXml("<config/>");
+            else
+                xmldoc.LoadXml(xml);
+		}
+
+		public ConfigInfo(string xml, string ename, string aname, string avalue)
+		{
+            xmldoc = new XmlDocument();
+            if (xml == null)
+                xmldoc.LoadXml("<config/>");
+            else
+                xmldoc.LoadXml(xml);
+			AddItem(ename, aname.Replace(' ','_'), avalue);
+		}
+		public bool AddItem(string ename, string aname, string avalue)
+		{
+			if (aname != null && aname != "")
+			{
+                //if (xmldoc == null)
+                //{
+                //    xmldoc = new XmlDocument();
+                //    xmldoc.AppendChild(xmldoc.CreateElement("ConfigInfo"));
+                //}
+                // see if ename element exists, use it to add attributes, 
+                // otherwise, create the element.
+
+                XmlNode nxml = null;
+                XmlNodeList xl = xmldoc.DocumentElement.SelectNodes(string.Format("//{0}", ename));
+                switch (xl.Count)
+                {
+                    case 0: // No nodes found
+                        nxml = xmldoc.DocumentElement.AppendChild(xmldoc.CreateElement(ename));
+                        break;
+                    default: // Found the node
+                        nxml = xl[0];
+                        if (nxml.GetType() != typeof(XmlElement))
+                        {
+                            frmLoader.log.ErrorFormat("Invalid xml element type when migrating config data - element = {0}, name = {1} , value = {2}", ename, aname, avalue);
+                            return false;
+                        }
+                        break;
+                }
+                XmlAttribute xa = nxml.Attributes.Append(xmldoc.CreateAttribute(aname.Replace(' ', '_')));
+                xa.Value = avalue;
+				return true;
+			}
+			return false;
+		}
+		public override string ToString()
+		{
+			if (xmldoc != null) return xmldoc.InnerXml;
+			else return null;
+		}
+
+	}
+}