// edtFTPnet
//
// Copyright (C) 2004 Enterprise Distributed Technologies Ltd
//
// www.enterprisedt.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Bug fixes, suggestions and comments should posted on
// http://www.enterprisedt.com/forums/index.php
//
// Change Log:
//
// $Log: FileAppender.cs,v $
// Revision 1.13 2009-02-27 06:56:29 bruceb
// added FileName and rename log to logger
//
// Revision 1.12 2008-12-11 04:44:52 bruceb
// added RollingFileAppender
//
// Revision 1.11 2008-01-03 01:13:08 bruceb
// add close flag
//
// Revision 1.10 2007-08-29 01:06:50 bruceb
// synchronize file stream access
//
// Revision 1.9 2007-06-26 01:25:04 bruceb
// CF changes
//
// Revision 1.8 2006/10/17 14:13:37 bruceb
// no longer have exclusive lock on logfile
//
// Revision 1.7 2006/03/16 22:13:37 hans
// Added a FileName property and support for InnerExceptions.
//
// Revision 1.6 2006/02/16 20:16:53 hans
// Changed logging of exceptions to include inner exceptions
//
// Revision 1.5 2005/07/08 09:29:48 bruceb
// add flushing to Log methods
//
// Revision 1.4 2004/11/06 11:15:24 bruceb
// namespace tidying up
//
// Revision 1.3 2004/10/29 09:42:30 bruceb
// removed /// from file headers
//
//
//
using System;
using System.IO;
namespace EnterpriseDT.Util.Debug{
/// <summary>
/// Appends log statements to a file
/// </summary>
/// <author> Bruce Blackshaw
/// </author>
/// <version> $Revision: 1.13 $
/// </version>
public class FileAppender : Appender
{
/// <summary> Destination</summary>
protected TextWriter logger;
protected FileStream fileStream;
/// <summary> Log file</summary>
private string fileName;
/// <summary>
/// True if closed
/// </summary>
protected bool closed = false;
/// <summary>Constructor</summary>
/// <param name="fileName">name of file to log to</param>
/// <throws> IOException </throws>
public FileAppender(string fileName)
{
this.fileName = fileName;
Open();
}
protected void Open()
{
fileStream =
new FileStream(fileName, FileMode.Append, FileAccess.Write, FileShare.ReadWrite);
logger = StreamWriter.Synchronized(new StreamWriter(fileStream));
closed = false;
}
/// <summary>
/// Name of file to log to.
/// </summary>
public string FileName
{
get
{
return fileName;
}
}
/// <summary>
/// Log a message
/// </summary>
/// <param name="msg"> message to log
/// </param>
public virtual void Log(string msg)
{
if (!closed)
{
logger.WriteLine(msg);
logger.Flush();
}
else
{
System.Console.WriteLine(msg);
}
}
/// <summary>
/// Log a stack trace
/// </summary>
/// <param name="t"> throwable object
/// </param>
public virtual void Log(Exception t)
{
if (!closed)
{
logger.WriteLine(t.GetType().FullName + ": " + t.Message);
logger.WriteLine(t.StackTrace.ToString());
logger.Flush();
}
else
{
System.Console.WriteLine(t.GetType().FullName + ": " + t.Message);
}
}
/// <summary>
/// Close this appender
/// </summary>
public virtual void Close()
{
logger.Flush();
logger.Close();
logger = null;
fileStream = null;
closed = true;
}
}
}
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