From bfcd1b520fd79b893e721ba916ae5e1656407d2f Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Wed, 16 Aug 2017 02:43:41 -0400
Subject: merge common implementations and server implementations

---
 Emby.Server.Implementations/Logging/NLogger.cs | 224 +++++++++++++++++++++++++
 1 file changed, 224 insertions(+)
 create mode 100644 Emby.Server.Implementations/Logging/NLogger.cs

(limited to 'Emby.Server.Implementations/Logging/NLogger.cs')

diff --git a/Emby.Server.Implementations/Logging/NLogger.cs b/Emby.Server.Implementations/Logging/NLogger.cs
new file mode 100644
index 000000000..c380a640f
--- /dev/null
+++ b/Emby.Server.Implementations/Logging/NLogger.cs
@@ -0,0 +1,224 @@
+using System;
+using System.Text;
+using MediaBrowser.Model.Logging;
+
+namespace Emby.Server.Implementations.Logging
+{
+    /// <summary>
+    /// Class NLogger
+    /// </summary>
+    public class NLogger : ILogger
+    {
+        /// <summary>
+        /// The _logger
+        /// </summary>
+        private readonly NLog.Logger _logger;
+
+        private readonly ILogManager _logManager;
+
+        /// <summary>
+        /// The _lock object
+        /// </summary>
+        private static readonly object LockObject = new object();
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="NLogger" /> class.
+        /// </summary>
+        /// <param name="name">The name.</param>
+        /// <param name="logManager">The log manager.</param>
+        public NLogger(string name, ILogManager logManager)
+        {
+            _logManager = logManager;
+            lock (LockObject)
+            {
+                _logger = NLog.LogManager.GetLogger(name);
+            }
+        }
+
+        /// <summary>
+        /// Infoes the specified message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        public void Info(string message, params object[] paramList)
+        {
+            _logger.Info(message, paramList);
+        }
+
+        /// <summary>
+        /// Errors the specified message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        public void Error(string message, params object[] paramList)
+        {
+            _logger.Error(message, paramList);
+        }
+
+        /// <summary>
+        /// Warns the specified message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        public void Warn(string message, params object[] paramList)
+        {
+            _logger.Warn(message, paramList);
+        }
+
+        /// <summary>
+        /// Debugs the specified message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        public void Debug(string message, params object[] paramList)
+        {
+            if (_logManager.LogSeverity == LogSeverity.Info)
+            {
+                return;
+            }
+
+            _logger.Debug(message, paramList);
+        }
+
+        /// <summary>
+        /// Logs the exception.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="exception">The exception.</param>
+        /// <param name="paramList">The param list.</param>
+        /// <exception cref="System.NotImplementedException"></exception>
+        public void ErrorException(string message, Exception exception, params object[] paramList)
+        {
+            LogException(LogSeverity.Error, message, exception, paramList);
+        }
+
+        /// <summary>
+        /// Logs the exception.
+        /// </summary>
+        /// <param name="level">The level.</param>
+        /// <param name="message">The message.</param>
+        /// <param name="exception">The exception.</param>
+        /// <param name="paramList">The param list.</param>
+        private void LogException(LogSeverity level, string message, Exception exception, params object[] paramList)
+        {
+            message = FormatMessage(message, paramList).Replace(Environment.NewLine, ". ");
+
+            var messageText = LogHelper.GetLogMessage(exception);
+
+            var prefix = _logManager.ExceptionMessagePrefix;
+
+            if (!string.IsNullOrWhiteSpace(prefix))
+            {
+                messageText.Insert(0, prefix);
+            }
+
+            LogMultiline(message, level, messageText);
+        }
+
+        /// <summary>
+        /// Formats the message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        /// <returns>System.String.</returns>
+        private static string FormatMessage(string message, params object[] paramList)
+        {
+            if (paramList != null)
+            {
+                for (var i = 0; i < paramList.Length; i++)
+                {
+                    var obj = paramList[i];
+
+                    message = message.Replace("{" + i + "}", (obj == null ? "null" : obj.ToString()));
+                }
+            }
+
+            return message;
+        }
+
+        /// <summary>
+        /// Logs the multiline.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="severity">The severity.</param>
+        /// <param name="additionalContent">Content of the additional.</param>
+        public void LogMultiline(string message, LogSeverity severity, StringBuilder additionalContent)
+        {
+            if (severity == LogSeverity.Debug && _logManager.LogSeverity == LogSeverity.Info)
+            {
+                return;
+            }
+
+            additionalContent.Insert(0, message + Environment.NewLine);
+
+            const char tabChar = '\t';
+
+            var text = additionalContent.ToString()
+                                        .Replace(Environment.NewLine, Environment.NewLine + tabChar)
+                                        .TrimEnd(tabChar);
+
+            if (text.EndsWith(Environment.NewLine))
+            {
+                text = text.Substring(0, text.LastIndexOf(Environment.NewLine, StringComparison.OrdinalIgnoreCase));
+            }
+
+            _logger.Log(GetLogLevel(severity), text);
+        }
+
+        /// <summary>
+        /// Gets the log level.
+        /// </summary>
+        /// <param name="severity">The severity.</param>
+        /// <returns>NLog.LogLevel.</returns>
+        private NLog.LogLevel GetLogLevel(LogSeverity severity)
+        {
+            switch (severity)
+            {
+                case LogSeverity.Debug:
+                    return NLog.LogLevel.Debug;
+                case LogSeverity.Error:
+                    return NLog.LogLevel.Error;
+                case LogSeverity.Warn:
+                    return NLog.LogLevel.Warn;
+                case LogSeverity.Fatal:
+                    return NLog.LogLevel.Fatal;
+                case LogSeverity.Info:
+                    return NLog.LogLevel.Info;
+                default:
+                    throw new ArgumentException("Unknown LogSeverity: " + severity.ToString());
+            }
+        }
+
+        /// <summary>
+        /// Logs the specified severity.
+        /// </summary>
+        /// <param name="severity">The severity.</param>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        public void Log(LogSeverity severity, string message, params object[] paramList)
+        {
+            _logger.Log(GetLogLevel(severity), message, paramList);
+        }
+
+        /// <summary>
+        /// Fatals the specified message.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="paramList">The param list.</param>
+        public void Fatal(string message, params object[] paramList)
+        {
+            _logger.Fatal(message, paramList);
+        }
+
+        /// <summary>
+        /// Fatals the exception.
+        /// </summary>
+        /// <param name="message">The message.</param>
+        /// <param name="exception">The exception.</param>
+        /// <param name="paramList">The param list.</param>
+        public void FatalException(string message, Exception exception, params object[] paramList)
+        {
+            LogException(LogSeverity.Fatal, message, exception, paramList);
+        }
+    }
+}
-- 
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