Initial project's source code check-in.

WebsitePanel/Sources/WebsitePanel.Server.Utils/Log.cs

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+// Copyright (c) 2011, Outercurve Foundation.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+// - Redistributions of source code must  retain  the  above copyright notice, this
+//   list of conditions and the following disclaimer.
+//
+// - Redistributions in binary form  must  reproduce the  above  copyright  notice,
+//   this list of conditions  and  the  following  disclaimer in  the documentation
+//   and/or other materials provided with the distribution.
+//
+// - Neither  the  name  of  the  Outercurve Foundation  nor   the   names  of  its
+//   contributors may be used to endorse or  promote  products  derived  from  this
+//   software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT  NOT  LIMITED TO, THE IMPLIED
+// WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR  PURPOSE  ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+// ANY DIRECT, INDIRECT, INCIDENTAL,  SPECIAL,  EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+// (INCLUDING, BUT NOT LIMITED TO,  PROCUREMENT  OF  SUBSTITUTE  GOODS OR SERVICES;
+// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER  CAUSED AND ON
+// ANY  THEORY  OF  LIABILITY,  WHETHER  IN  CONTRACT,  STRICT  LIABILITY,  OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE)  ARISING  IN  ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+using System;
+using System.Diagnostics;
+
+namespace WebsitePanel.Server.Utils
+{
+	/// <summary>
+	/// Application log.
+	/// </summary>
+	public sealed class Log
+	{
+        private static TraceSwitch logSeverity = new TraceSwitch("Log", "General trace switch");
+		
+		private Log()
+		{
+		}
+
+		/// <summary>
+		/// Write error to the log.
+		/// </summary>
+		/// <param name="message">Error message.</param>
+		/// <param name="ex">Exception.</param>
+		public static void WriteError(string message, Exception ex)
+		{
+			try
+			{
+				if (logSeverity.TraceError)
+				{
+					string line = string.Format("[{0:G}] ERROR: {1}\n{2}\n", DateTime.Now, message, ex);
+					Trace.TraceError(line);
+				}
+			}
+			catch { }
+		}
+
+		/// <summary>
+		/// Write error to the log.
+		/// </summary>
+		/// <param name="ex">Exception.</param>
+		public static void WriteError(Exception ex)
+		{
+
+			try
+			{
+				if (ex != null)
+				{
+					WriteError(ex.Message, ex);
+				}
+			}
+			catch { }
+		}
+
+		/// <summary>
+		/// Write info message to log
+		/// </summary>
+		/// <param name="message"></param>
+		public static void WriteInfo(string message, params object[] args)
+		{
+			try
+			{
+				if (logSeverity.TraceInfo)
+				{
+					Trace.TraceInformation(FormatIncomingMessage(message, args));
+				}
+			}
+			catch { }
+		}
+
+		/// <summary>
+		/// Write info message to log
+		/// </summary>
+		/// <param name="message"></param>
+		public static void WriteWarning(string message, params object[] args)
+		{
+			try
+			{
+				if (logSeverity.TraceWarning)
+				{
+					Trace.TraceWarning(FormatIncomingMessage(message, args));
+				}
+			}
+			catch { }
+		}
+
+		/// <summary>
+		/// Write start message to log
+		/// </summary>
+		/// <param name="message"></param>
+        public static void WriteStart(string message, params object[] args)
+		{
+			try
+			{
+				if (logSeverity.TraceInfo)
+				{
+					Trace.TraceInformation(FormatIncomingMessage(message, args));
+				}
+			}
+			catch { }
+		}
+		
+		/// <summary>
+		/// Write end message to log
+		/// </summary>
+		/// <param name="message"></param>
+        public static void WriteEnd(string message, params object[] args)
+		{
+			try
+			{
+				if (logSeverity.TraceInfo)
+				{
+					Trace.TraceInformation(FormatIncomingMessage(message, args));
+				}
+			}
+			catch { }
+		}
+
+		private static string FormatIncomingMessage(string message, params object[] args)
+		{
+			//
+			if (args.Length > 0)
+			{
+				message = String.Format(message, args);
+			}
+			//
+			return String.Concat(String.Format("[{0:G}] END: ", DateTime.Now), message);
+		}
+	}
+}