init

2020-05-29 18:26:08 +08:00
commit 383af1f98f
118 changed files with 32595 additions and 0 deletions
--- a/ContosoUniversity.Logging/Logger.cs
+++ b/ContosoUniversity.Logging/Logger.cs
@@ -0,0 +1,81 @@
+using System;
+using System.Diagnostics;
+using System.Text;
+
+namespace ContosoUniversity.Logging
+{
+    public class Logger : ILogger
+    {
+
+        public void Information(string message)
+        {
+            Trace.TraceInformation(message);
+        }
+
+        public void Information(string fmt, params object[] vars)
+        {
+            Trace.TraceInformation(fmt, vars);
+        }
+
+        public void Information(Exception exception, string fmt, params object[] vars)
+        {
+            Trace.TraceInformation(FormatExceptionMessage(exception, fmt, vars));
+        }
+
+        public void Warning(string message)
+        {
+            Trace.TraceWarning(message);
+        }
+
+        public void Warning(string fmt, params object[] vars)
+        {
+            Trace.TraceWarning(fmt, vars);
+        }
+
+        public void Warning(Exception exception, string fmt, params object[] vars)
+        {
+            Trace.TraceWarning(FormatExceptionMessage(exception, fmt, vars));
+        }
+
+        public void Error(string message)
+        {
+            Trace.TraceError(message);
+        }
+
+        public void Error(string fmt, params object[] vars)
+        {
+            Trace.TraceError(fmt, vars);
+        }
+
+        public void Error(Exception exception, string fmt, params object[] vars)
+        {
+            Trace.TraceError(FormatExceptionMessage(exception, fmt, vars));
+        }
+
+        public void TraceApi(string componentName, string method, TimeSpan timespan)
+        {
+            TraceApi(componentName, method, timespan, "");
+        }
+
+        public void TraceApi(string componentName, string method, TimeSpan timespan, string fmt, params object[] vars)
+        {
+            TraceApi(componentName, method, timespan, string.Format(fmt, vars));
+        }
+        public void TraceApi(string componentName, string method, TimeSpan timespan, string properties)
+        {
+            string message = String.Concat("Component:", componentName, ";Method:", method, ";Timespan:", timespan.ToString(), ";Properties:", properties);
+            Trace.TraceInformation(message);
+        }
+
+        private static string FormatExceptionMessage(Exception exception, string fmt, object[] vars)
+        {
+            // Simple exception formatting: for a more comprehensive version see 
+            // http://code.msdn.microsoft.com/windowsazure/Fix-It-app-for-Building-cdd80df4
+            var sb = new StringBuilder();
+            sb.Append(string.Format(fmt, vars));
+            sb.Append(" Exception: ");
+            sb.Append(exception.ToString());
+            return sb.ToString();
+        }
+    }
+}