www.pudn.com > 20040623netCip.rar > ConfigurationHelper.cs, change:2004-05-05,size:2330b

using System; 
using System.Collections; 
using System.IO; 
using System.Xml; 
using System.Runtime.Serialization.Formatters.Soap; 
using System.Runtime.Serialization; 
using System.Xml.Serialization; 
 
namespace SwitchNetConfig 
{ 
	/// <summary> 
	/// Helper class for persisting configuration 
	/// </summary> 
	public class ConfigurationHelper 
	{ 
		#region Variables 
 
		private const string PROFILE_FILE_NAME = "Profiles.xml"; 
 
		#endregion 
 
		#region Public Static  
 
		/// <summary> 
		/// Loads the collection of profiles from configuration file 
		/// </summary> 
		/// <returns></returns> 
		public static ArrayList LoadConfig() 
		{ 
			if( File.Exists( PROFILE_FILE_NAME ) ) 
			{ 
				// Use XML Deserializer to load the serialized collection 
				XmlSerializer serializer = new XmlSerializer( typeof( ConfigWrapper ) ); 
				// read the profile file 
				StreamReader reader = new StreamReader( PROFILE_FILE_NAME ); 
				// deserialize the profile collection from the file 
				ConfigWrapper wrapper = (ConfigWrapper) serializer.Deserialize( reader.BaseStream ); 
				// close the file handle 
				reader.Close(); 
				// return the profile collection 
				return wrapper.Profiles; 
			} 
			else 
				return new ArrayList(); 
 
		} 
		/// <summary> 
		/// Saves the profiles in the configuration file. 
		/// </summary> 
		/// <param name="profiles"></param> 
		public static void SaveConfig( ArrayList profiles ) 
		{ 
			// Use XML Serializer to serialize the content of the specified array list 
			XmlSerializer serializer = new XmlSerializer( typeof( ConfigWrapper ) ); 
			// open the profile file 
			StreamWriter writer = new StreamWriter( PROFILE_FILE_NAME, false );				 
			try 
			{ 
				ConfigWrapper wrapper = new ConfigWrapper(); 
				wrapper.Profiles = profiles; 
				 
				// Serialize the array list to the file 
				serializer.Serialize( writer.BaseStream, wrapper ); 
			} 
			catch( Exception x ) 
			{ 
				System.Diagnostics.Debug.WriteLine( x.Message ); 
			} 
			// close the file 
			writer.Close(); 
		} 
 
		#endregion 
	} 
 
	#region ConfigWrapper 
 
	/// <summary> 
	/// Configuration wrapper class 
	/// </summary> 
	[XmlInclude( typeof( Profile ) )] 
	public class ConfigWrapper 
	{ 
		[XmlArrayAttribute("Profiles")] 
		public ArrayList Profiles; 
	} 
 
	#endregion 
 
}