Initial checkin

Bwg.Logging/FileSink.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.IO ;
+
+namespace Bwg.Logging
+{
+    /// <summary>
+    /// This class is a message sink that writes the message to a file
+    /// </summary>
+    public class FileSink : Sink, IDisposable
+    {
+        #region private member variables
+        private TextWriter m_writer;
+        #endregion
+
+        #region constructor
+        /// <summary>
+        /// Create a new file sink given the name of the output file
+        /// </summary>
+        /// <param name="filename">the output file</param>
+        public FileSink(string filename)
+        {
+            try
+            {
+                m_writer = new StreamWriter(filename);
+            }
+            catch (Exception)
+            {
+                m_writer = null;
+            }
+        }
+        #endregion
+
+        #region public methods
+        /// <summary>
+        /// Dispose of the class, close the file
+        /// </summary>
+        public void Dispose()
+        {
+            Close();
+        }
+
+        /// <summary>
+        /// Close the file
+        /// </summary>
+        public void Close()
+        {
+            if (m_writer != null)
+            {
+                m_writer.Flush();
+                m_writer.Close();
+            }
+        }
+
+        /// <summary>
+        /// Log the message
+        /// </summary>
+        /// <param name="m">the message to log</param>
+        public override void LogMessage(UserMessage m)
+        {
+            if (m_writer != null)
+                m_writer.WriteLine(m.ToString());
+        }
+        #endregion
+    }
+}