* example soft logger by delegate

1 files changed, 85 insertions, 0 deletions

diff --git a/Common/OpenSim.Framework/Logger.cs b/Common/OpenSim.Framework/Logger.cs
new file mode 100644
index 0000000..e7eaa03
--- /dev/null
+++ b/Common/OpenSim.Framework/Logger.cs
@@ -0,0 +1,85 @@
+using System;

+using System.Collections.Generic;

+using System.Text;

+

+namespace OpenSim.Framework

+{

+    public class Logger

+    {

+        public static Logger Instance = new Logger( false );

+     

+        public delegate void LoggerMethodDelegate();

+        private delegate bool LoggerDelegate( LoggerMethodDelegate whatToDo );

+

+        

+        private LoggerDelegate m_delegate;

+        

+        public Logger( bool log )

+        {

+            if( log )

+            {

+                m_delegate = CatchAndLog;

+            }

+            else

+            {

+                m_delegate = DontCatch;

+            }

+        }

+        

+        public bool Wrap( LoggerMethodDelegate whatToDo )

+        {

+            return m_delegate( whatToDo );

+        }

+

+

+        private bool CatchAndLog(LoggerMethodDelegate whatToDo)

+        {

+            try

+            {

+                whatToDo();

+                return true;

+            }

+            catch(Exception e)

+            {

+                System.Console.WriteLine( "Exception logged!!! Woah!!!!" );

+                return false;

+            }

+        }

+

+        private bool DontCatch(LoggerMethodDelegate whatToDo)

+        {

+            whatToDo();

+            return true;

+        }

+

+        public class LoggerExample

+        {

+            public void TryWrap()

+            {

+                // This will log and ignore

+                Logger log = new Logger(true);

+

+                log.Wrap(delegate()

+                             {

+                                 Int16.Parse("waa!");

+                             });

+

+                // This will throw;            

+                try

+                {

+

+                    log = new Logger(false);

+

+                    log.Wrap(delegate()

+                                 {

+                                     Int16.Parse("waa!");

+                                 });

+                }

+                catch

+                {

+                    System.Console.WriteLine("Example barfed!");

+                }

+            }

+        }

+    }              

+}