/*
 * 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.Collections.Generic;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using log4net.Appender;
using log4net.Core;

namespace OpenSim.GridLaunch
{
    internal class log4netAppender : log4net.Appender.AppenderSkeleton
    {
        public delegate void LogLineDelegate(Color color, string Text);
        public static event LogLineDelegate LogLine;
        public static readonly Dictionary<string, Color> Level2Color = new Dictionary<string, Color>();

        static log4netAppender()
        {
            Level2Color.Add("INFO", Color.Black);
            Level2Color.Add("DEBUG", Color.Gray);
            Level2Color.Add("WARN", Color.OrangeRed);
            Level2Color.Add("ERROR", Color.Red);
        }


        protected override void Append(LoggingEvent loggingEvent)
        {
            // Find appropriate color
            Color color = Color.Black;
            if (Level2Color.ContainsKey(loggingEvent.Level.Name))
                color = Level2Color[loggingEvent.Level.Name];

            // Fire event with new log message
            if (LogLine != null)
                LogLine(color, loggingEvent.RenderedMessage + System.Environment.NewLine);
        }

    }
}