CaptureOutputLoggerFactoryAdapter.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Aspects » Exceptions » C# / CSharp Open Source

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Diagnostics;
using Common.Logging;
using Common.Logging.Simple;

namespace Spring.Aspects.Exceptions{
    public class CaptureOutputLoggerFactoryAdapter : ILoggerFactoryAdapter, IDisposable
    {
        private class CapturingTraceListener : TraceListener
        {
            private readonly CaptureOutputLoggerFactoryAdapter adapter;

            public CapturingTraceListener(CaptureOutputLoggerFactoryAdapter adapter)
            {
                this.adapter = adapter;
            }

            public override void Write(string message)
            {
                adapter.LogMessages.Add(message);
            }

            public override void WriteLine(string message)
            {
                this.Write(message);
            }
        }

        private readonly CapturingTraceListener listener;

        public CaptureOutputLoggerFactoryAdapter()
        {
            listener = new CapturingTraceListener(this);
            System.Diagnostics.Trace.Listeners.Add(listener);            
        }

        public void Dispose()
        {
            System.Diagnostics.Trace.Listeners.Remove(listener);
        }

        private IList logMessages = new ArrayList();

        public IList LogMessages
        {
            get { return logMessages; }
            set { logMessages = value; }
        }

        #region ILoggerFactoryAdapter Members

        public ILog GetLogger(Type type)
        {
            return GetLogger(type.FullName);
        }

        public ILog GetLogger(string name)
        {
            if (name.Equals("adviceHandler") || name.IndexOf("LogExceptionHandler") >= 0)
            {
                CaptureOutputLogger logger = new CaptureOutputLogger();
                return logger;
            }

            return new NoOpLogger();
        }

        #endregion
    }
}