Create a commons logging adapter for WPF TextBox

TextBoxLogger.cs

using System;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using Common.Logging;
using Common.Logging.Simple;

namespace YourNamespace.Logging
{
    /// <summary>
    ///     Sends log messages to <see cref="Console.Out" />.
    /// </summary>
    /// <author>Gilles Bayon</author>
    [Serializable]
    internal class TextBoxLogger : AbstractSimpleLogger
    {
        /// <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="textBox">TextBox to write the log message to</param>
        public TextBoxLogger(string logName, LogLevel logLevel, bool showLevel, bool showDateTime, bool showLogName,
            string dateTimeFormat, TextBox textBox)
            : base(logName, logLevel, showLevel, showDateTime, showLogName, dateTimeFormat)
        {
            TextBox = textBox;
        }

        public TextBox TextBox { get; private set; }

        /// <summary>
        ///     Do the actual logging by constructing the log message using a <see cref="StringBuilder" /> then
        ///     sending the output to <see cref="Console.Out" />.
        /// </summary>
        /// <param name="level">The <see cref="System.LogLevel" /> of the message.</param>
        /// <param name="message">The log message.</param>
        /// <param name="e">An optional <see cref="Exception" /> associated with the message.</param>
        protected override void WriteInternal(LogLevel level, object message, Exception e)
        {
            // Use a StringBuilder for better performance
            var sb = new StringBuilder();
            FormatOutput(sb, level, message, e);

            Application.Current.Dispatcher.Invoke(() => TextBox.AppendText(sb.ToString()));
        }
    }
}

TextBoxLoggerFactoryAdapter

using System.Collections.Specialized;
using System.Windows.Controls;
using Common.Logging;
using Common.Logging.Simple;

namespace YourNamespace.Logging
{
    internal class TextBoxLoggerFactoryAdapter : AbstractSimpleLoggerFactoryAdapter
    {
        public TextBoxLoggerFactoryAdapter(TextBox textBox)
            : base(null)
        {
            TextBox = textBox;
        }

        public TextBoxLoggerFactoryAdapter(NameValueCollection properties, TextBox textBox)
            : base(properties)
        {
            TextBox = textBox;
        }

        public TextBoxLoggerFactoryAdapter(LogLevel level, bool showDateTime, bool showLogName, bool showLevel,
            string dateTimeFormat, TextBox textBox)
            : base(level, showDateTime, showLogName, showLevel, dateTimeFormat)
        {
            TextBox = textBox;
        }

        public TextBox TextBox { get; private set; }

        protected override ILog CreateLogger(string name, LogLevel level, bool showLevel, bool showDateTime,
            bool showLogName,
            string dateTimeFormat)
        {
            ILog log = new TextBoxLogger(name, level, showLevel, showDateTime, showLogName, dateTimeFormat, TextBox);
            return log;
        }
    }
}