rework dlna project

RSSDP/DisposableManagedObjectBase.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Rssdp.Infrastructure
+{
+	/// <summary>
+	/// Correclty implements the <see cref="IDisposable"/> interface and pattern for an object containing only managed resources, and adds a few common niceities not on the interface such as an <see cref="IsDisposed"/> property.
+	/// </summary>
+	public abstract class DisposableManagedObjectBase : IDisposable
+	{
+
+		#region Public Methods
+
+		/// <summary>
+		/// Override this method and dispose any objects you own the lifetime of if disposing is true;
+		/// </summary>
+		/// <param name="disposing">True if managed objects should be disposed, if false, only unmanaged resources should be released.</param>
+		protected abstract void Dispose(bool disposing);
+
+		/// <summary>
+		/// Throws and <see cref="System.ObjectDisposedException"/> if the <see cref="IsDisposed"/> property is true.
+		/// </summary>
+		/// <seealso cref="IsDisposed"/>
+		/// <exception cref="System.ObjectDisposedException">Thrown if the <see cref="IsDisposed"/> property is true.</exception>
+		/// <seealso cref="Dispose()"/>
+		protected virtual void ThrowIfDisposed()
+		{
+			if (this.IsDisposed) throw new ObjectDisposedException(this.GetType().FullName);
+		}
+
+		#endregion
+
+		#region Public Properties
+
+		/// <summary>
+		/// Sets or returns a boolean indicating whether or not this instance has been disposed.
+		/// </summary>
+		/// <seealso cref="Dispose()"/>
+		public bool IsDisposed
+		{
+			get;
+			private set;
+		}
+
+		#endregion
+
+		#region IDisposable Members
+
+		/// <summary>
+		/// Disposes this object instance and all internally managed resources.
+		/// </summary>
+		/// <remarks>
+		/// <para>Sets the <see cref="IsDisposed"/> property to true. Does not explicitly throw an exception if called multiple times, but makes no promises about behaviour of derived classes.</para>
+		/// </remarks>
+		/// <seealso cref="IsDisposed"/>
+		[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Design", "CA1063:ImplementIDisposableCorrectly", Justification="We do exactly as asked, but CA doesn't seem to like us also setting the IsDisposed property. Too bad, it's a good idea and shouldn't cause an exception or anything likely to interfer with the dispose process.")]
+		public void Dispose()
+		{
+			try
+			{
+				IsDisposed = true;
+
+				Dispose(true);
+			}
+			finally
+			{
+				GC.SuppressFinalize(this);
+			}
+		}
+
+		#endregion
+	}
+}