/// <summary>
/// Get a logger, based on a String
/// </summary>
/// <param name="cat">the String that defines the log</param>
/// <returns>a POILogger for the specified class</returns>
public static POILogger GetLogger(String cat)
{
POILogger logger = null;
// If we haven't found out what logger to use yet,
// then do so now
// Don't look it up until we're first asked, so
// that our users can set the system property
// between class loading and first use
if (_loggerClassName == null)
{
try
{
_loggerClassName = "default"; //ConfigurationManager.AppSettings["loggername"];
} catch (Exception) {}
// Use the default logger if none specified,
// or none could be fetched
if (_loggerClassName == null)
{
_loggerClassName = _nullLogger.GetType().Name;
}
}
// Short circuit for the null logger, which
// ignores all categories
if (_loggerClassName.Equals(_nullLogger.GetType().Name))
{
return(_nullLogger);
}
// Fetch the right logger for them, creating
// it if that's required
if (_loggers.ContainsKey(cat))
{
logger = (POILogger)_loggers[cat];
}
else
{
try {
//logger=assembly.CreateInstance(_loggerClassName) as POILogger;
Type loggerClass = Type.GetType(_loggerClassName);
logger = Activator.CreateInstance(loggerClass) as POILogger;
logger.Initialize(cat);
} catch (Exception) {
// Give up and use the null logger
logger = _nullLogger;
}
// Save for next time
_loggers[cat] = logger;
}
return(logger);
}
public void Initialize(String cat)
{
this.logger = POILogFactory.GetLogger(cat);
}
public override void Initialize(String cat)
{
this.logger = POILogFactory.GetLogger(cat);
}