public static DbLogger GetInstance()
{
if (instance == null)
{
instance = new DbLogger();
}
return(instance);
}
public static void plant(string connectionString)
{
if (!String.IsNullOrEmpty(connectionString))
{
connection = connectionString;
}
_instance = new DbLogger(connection);
}
static void Main(string[] args)
{
ILogger logger;
Console.WriteLine("Default logging");
logger = new Logger();
using ((IDisposable)logger)
{
logger.Error("error message");
logger.Error(new Exception("exception message"));
logger.Warning("warning message");
logger.Info("info message");
}
Console.WriteLine("");
Console.WriteLine("Console logging");
logger = new ConsoleLogger();
using ((IDisposable)logger)
{
logger.Error("error message");
logger.Error(new Exception("exception message"));
logger.Warning("warning message");
logger.Info("info message");
}
Console.WriteLine("");
Console.WriteLine("File logging");
logger = FileLogger.GetInstance();
using ((IDisposable)logger)
{
logger.Error("error message");
logger.Error(new Exception("exception message"));
logger.Warning("warning message");
logger.Info("info message");
}
Console.WriteLine("");
Console.WriteLine("Db logging");
logger = DbLogger.GetInstance();
using ((IDisposable)logger)
{
logger.Error("error message");
logger.Error(new Exception("exception message"));
logger.Warning("warning message");
logger.Info("info message");
}
Console.WriteLine("");
Console.ReadKey();
}
private Logger(string fileName, string connection)
{
DbLogger.plant(connection);
FileLogger.plant(fileName);
}