#region Copyright & License
//
// Copyright 2001-2005 The Apache Software Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#endregion
using System;
using log4net.Core;
namespace SampleAppendersApp.Appender{
public delegate void MessageLoggedEventHandler(object sender, MessageLoggedEventArgs e);
public class MessageLoggedEventArgs : EventArgs
{
private LoggingEvent m_loggingEvent;
public MessageLoggedEventArgs(LoggingEvent loggingEvent)
{
m_loggingEvent = loggingEvent;
}
public LoggingEvent LoggingEvent
{
get { return m_loggingEvent; }
}
}
/// <summary>
/// Appender that raises an event for each LoggingEvent received
/// </summary>
/// <remarks>
/// Raises a MessageLoggedEvent for each LoggingEvent object received
/// by this appender.
/// </remarks>
public class FireEventAppender : log4net.Appender.AppenderSkeleton
{
private static FireEventAppender m_instance;
private FixFlags m_fixFlags = FixFlags.All;
// Event handler
public event MessageLoggedEventHandler MessageLoggedEvent;
// Easy singleton, gets the last instance created
public static FireEventAppender Instance
{
get { return m_instance; }
}
public FireEventAppender()
{
// Store the instance created
m_instance = this;
}
virtual public FixFlags Fix
{
get { return m_fixFlags; }
set { m_fixFlags = value; }
}
override protected void Append(LoggingEvent loggingEvent)
{
// Because we the LoggingEvent may be used beyond the lifetime
// of the Append() method we must fix any volatile data in the event
loggingEvent.Fix = this.Fix;
// Raise the event
MessageLoggedEventHandler handler = MessageLoggedEvent;
if (handler != null)
{
handler(this, new MessageLoggedEventArgs(loggingEvent));
}
}
}
}
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