public void Attach(ILogWriter newLogWriter)
{
if (newLogWriter == null)
{
throw new ArgumentNullException("newLogWriter");
}
if (newLogWriter == this.WrappedLogWriter)
{
return;
}
ILogWriter prevLogWriter = this.WrappedLogWriter;
Exception detachException = null;
if (this.WrappedLogWriter != null)
{
try
{
prevLogWriter.Detach();
}
catch (Exception ex)
{
detachException = ex;
}
this.WrappedLogWriter.ServerWriteLine(
string.Format("Log writer \"{0}\" is being detached.", this.LogWriterName), TraceLevel.Verbose);
}
this.WrappedLogWriter = newLogWriter;
this.WrappedLogWriter.ServerWriteLine(
string.Format("Log writer \"{0}\" has been attached.", this.LogWriterName), TraceLevel.Verbose);
if (detachException != null)
{
this.ServerWriteLine(
string.Format("Log writer \"{0}\" had thrown an unexpected exception:\n{1}", prevLogWriter.Name, detachException),
TraceLevel.Error);
}
}
