using NLog;

namespace Document.Unility
{
    public class NLogProvider
    {

        private NLogProvider()
        {
            logger = LogManager.GetLogger("Logger");//.GetCurrentClassLogger();
        }

        private readonly Logger logger = null;
        private static NLogProvider logProvider = null;

        /// <summary>
        /// 静态实例
        /// </summary>
        /// <returns></returns>
        public static NLogProvider GetInstance()
        {
            if (logProvider == null)
            {
                logProvider = new NLogProvider();
            }
            return logProvider;
        }

        /// <summary>
        /// Info
        /// </summary>
        /// <param name="txt"></param>
        public void Info(string txt)
        {
            if (logger != null)
                logger.Info(txt);
        }

        /// <summary>
        /// Error
        /// </summary>
        /// <param name="er"></param>
        public void Error(Exception er)
        {
            if (logger != null)
                logger.Error(er);
        }

        /// <summary>
        /// Error
        /// </summary>
        /// <param name="str"></param>
        public void Error(string str)
        {
            if (logger != null)
                logger.Error(str);
        }
    }
}