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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* 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 OpenSim Project 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 DEVELOPERS ``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 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.Text.RegularExpressions;
using log4net.Appender;
using log4net.Core;
namespace OpenSim.Framework.Console
{
/// <summary>
/// Writes log information out onto the console
/// </summary>
public class OpenSimAppender : AnsiColorTerminalAppender
{
private static readonly ConsoleColor[] Colors = {
ConsoleColor.DarkBlue,
ConsoleColor.DarkGreen,
ConsoleColor.DarkCyan,
ConsoleColor.DarkMagenta,
ConsoleColor.DarkYellow,
ConsoleColor.Gray,
ConsoleColor.DarkGray,
ConsoleColor.Blue,
ConsoleColor.Green,
ConsoleColor.Cyan,
ConsoleColor.Magenta,
ConsoleColor.Yellow
};
override protected void Append(LoggingEvent le)
{
try
{
string loggingMessage = RenderLoggingEvent(le);
string regex = @"^(?<Front>.*?)\[(?<Category>[^\]]+)\]:?(?<End>.*)";
Regex RE = new Regex(regex, RegexOptions.Multiline);
MatchCollection matches = RE.Matches(loggingMessage);
// Get some direct matches $1 $4 is a
if (matches.Count == 1)
{
System.Console.Write(matches[0].Groups["Front"].Value);
System.Console.Write("[");
WriteColorText(DeriveColor(matches[0].Groups["Category"].Value), matches[0].Groups["Category"].Value);
System.Console.Write("]:");
if (le.Level == Level.Error)
{
WriteColorText(ConsoleColor.Red, matches[0].Groups["End"].Value);
}
else if (le.Level == Level.Warn)
{
WriteColorText(ConsoleColor.Yellow, matches[0].Groups["End"].Value);
}
else
{
System.Console.Write(matches[0].Groups["End"].Value);
}
System.Console.WriteLine();
}
else
{
System.Console.Write(loggingMessage);
}
}
catch (Exception e)
{
System.Console.WriteLine("Couldn't write out log message: {0}", e.ToString());
}
}
private void WriteColorText(ConsoleColor color, string sender)
{
try
{
lock (this)
{
try
{
System.Console.ForegroundColor = color;
System.Console.Write(sender);
System.Console.ResetColor();
}
catch (ArgumentNullException)
{
// Some older systems dont support coloured text.
System.Console.WriteLine(sender);
}
}
}
catch (ObjectDisposedException)
{
}
}
private static ConsoleColor DeriveColor(string input)
{
return Colors[(input.ToUpper().GetHashCode() % Colors.Length)];
}
}
}
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