#42 added color option to ConsoleOutLoggerFactoryAdapter

src/Common.Logging/Logging/Simple/ConsoleOutLogger.cs

@@ -19,6 +19,9 @@
 #endregion
 
 using System;
+#if !SILVERLIGHT
+using System.Collections.Generic;
+#endif
 using System.Text;
 
 namespace Common.Logging.Simple
@@ -33,6 +36,20 @@ namespace Common.Logging.Simple
 #endif
     public class ConsoleOutLogger : Simple.AbstractSimpleLogger
     {
+#if !SILVERLIGHT
+        private static readonly Dictionary<LogLevel, ConsoleColor> colors = new Dictionary<LogLevel, ConsoleColor>
+        {
+            { LogLevel.Fatal, ConsoleColor.Red },
+            { LogLevel.Error, ConsoleColor.Yellow },
+            { LogLevel.Warn, ConsoleColor.Magenta },
+            { LogLevel.Info, ConsoleColor.White },
+            { LogLevel.Debug, ConsoleColor.Gray },
+            { LogLevel.Trace, ConsoleColor.DarkGray },
+        };
+
+        private readonly bool useColor;
+
+#endif
         /// <summary>
         /// Creates and initializes a logger that writes messages to <see cref="Console.Out" />.
         /// </summary>
@@ -47,6 +64,24 @@ public ConsoleOutLogger(string logName, LogLevel logLevel, bool showLevel, bool
         {
         }
 
+#if !SILVERLIGHT
+        /// <summary>
+        /// Creates and initializes a logger that writes messages to <see cref="Console.Out" />.
+        /// </summary>
+        /// <param name="logName">The name, usually type name of the calling class, of the logger.</param>
+        /// <param name="logLevel">The current logging threshold. Messages recieved that are beneath this threshold will not be logged.</param>
+        /// <param name="showLevel">Include the current log level in the log message.</param>
+        /// <param name="showDateTime">Include the current time in the log message.</param>
+        /// <param name="showLogName">Include the instance name in the log message.</param>
+        /// <param name="dateTimeFormat">The date and time format to use in the log message.</param>
+        /// <param name="useColor">Use color when writing the log message.</param>
+        public ConsoleOutLogger(string logName, LogLevel logLevel, bool showLevel, bool showDateTime, bool showLogName, string dateTimeFormat, bool useColor)
+            : this(logName, logLevel, showLevel, showDateTime, showLogName, dateTimeFormat)
+        {
+            this.useColor = useColor;
+        }
+
+#endif
         /// <summary>
         /// Do the actual logging by constructing the log message using a <see cref="StringBuilder" /> then
         /// sending the output to <see cref="Console.Out" />.
@@ -61,6 +96,24 @@ protected override void WriteInternal(LogLevel level, object message, Exception
             FormatOutput(sb, level, message, e);
 
             // Print to the appropriate destination
+#if !SILVERLIGHT
+            ConsoleColor color;
+            if (this.useColor && colors.TryGetValue(level, out color))
+            {
+                var originalColor = Console.ForegroundColor;
+                try
+                {
+                    Console.ForegroundColor = color;
+                    Console.Out.WriteLine(sb.ToString());
+                    return;
+                }
+                finally
+                {
+                    Console.ForegroundColor = originalColor;
+                }
+            }
+
+#endif
             Console.Out.WriteLine(sb.ToString());
         }
     }

src/Common.Logging/Logging/Simple/ConsoleOutLoggerFactoryAdapter.cs

@@ -60,6 +60,10 @@ namespace Common.Logging.Simple
     /// <author>Erich Eichinger</author>
     public class ConsoleOutLoggerFactoryAdapter : Simple.AbstractSimpleLoggerFactoryAdapter
     {
+#if !SILVERLIGHT
+        private readonly bool useColor;
+
+#endif
         /// <summary>
         /// Initializes a new instance of the <see cref="ConsoleOutLoggerFactoryAdapter"/> class using default 
         /// settings.
@@ -103,12 +107,28 @@ public ConsoleOutLoggerFactoryAdapter(LogLevel level, bool showDateTime, bool sh
             : base(level, showDateTime, showLogName, showLevel, dateTimeFormat)
         { }
 
+#if !SILVERLIGHT
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AbstractSimpleLoggerFactoryAdapter"/> class with 
+        /// default settings for the loggers created by this factory.
+        /// </summary>
+        public ConsoleOutLoggerFactoryAdapter(LogLevel level, bool showDateTime, bool showLogName, bool showLevel, string dateTimeFormat, bool useColor)
+            : this(level, showDateTime, showLogName, showLevel, dateTimeFormat)
+        {
+            this.useColor = useColor;
+        }
+
+#endif
         /// <summary>
         /// Creates a new <see cref="ConsoleOutLogger"/> instance.
         /// </summary>
         protected override ILog CreateLogger(string name, LogLevel level, bool showLevel, bool showDateTime, bool showLogName, string dateTimeFormat)
         {
+#if !SILVERLIGHT
+            ILog log = new ConsoleOutLogger(name, level, showLevel, showDateTime, showLogName, dateTimeFormat, this.useColor);
+#else
             ILog log = new ConsoleOutLogger(name, level, showLevel, showDateTime, showLogName, dateTimeFormat);
+#endif
             return log;
         }
     }