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NullAppender.d

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00001 /*******************************************************************************
00002 
00003         @file NullAppender.d
00004 
00005         Copyright (C) 2004 Kris Bell
00006         
00007         This software is provided 'as-is', without any express or implied
00008         warranty. In no event will the authors be held liable for damages
00009         of any kind arising from the use of this software.
00010         
00011         Permission is hereby granted to anyone to use this software for any 
00012         purpose, including commercial applications, and to alter it and/or 
00013         redistribute it freely, subject to the following restrictions:
00014         
00015         1. The origin of this software must not be misrepresented; you must 
00016            not claim that you wrote the original software. If you use this 
00017            software in a product, an acknowledgment within documentation of 
00018            said product would be appreciated but is not required.
00019 
00020         2. Altered source versions must be plainly marked as such, and must 
00021            not be misrepresented as being the original software.
00022 
00023         3. This notice may not be removed or altered from any distribution
00024            of the source.
00025 
00026 
00027                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
00028 
00029       
00030         @version        Initial version, May 2004
00031         @author         Kris
00032 
00033 
00034 *******************************************************************************/
00035 
00036 module mango.log.NullAppender;
00037 
00038 private import mango.log.Appender;
00039 
00040 /*******************************************************************************
00041 
00042         An appender that does nothing. This is useful for cutting and
00043         pasting, and for benchmarking the mango.log environment.
00044 
00045 *******************************************************************************/
00046 
00047 public class NullAppender : Appender
00048 {
00049         private static uint mask;
00050 
00051         /***********************************************************************
00052                 
00053                 Get a unique fingerprint for this class
00054 
00055         ***********************************************************************/
00056 
00057         static this()
00058         {
00059                 mask = nextMask();
00060         }
00061 
00062         /***********************************************************************
00063                
00064                 Construct a NullAppender
00065 
00066         ***********************************************************************/
00067 
00068         this ()
00069         {
00070         }
00071 
00072         /***********************************************************************
00073                 
00074                 Create with the given Layout
00075 
00076         ***********************************************************************/
00077 
00078         this (Layout layout)
00079         {
00080                 setLayout (layout);
00081         }
00082 
00083         /***********************************************************************
00084                 
00085                 Return the fingerprint for this class
00086 
00087         ***********************************************************************/
00088 
00089         uint getMask ()
00090         {
00091                 return mask;
00092         }
00093 
00094         /***********************************************************************
00095                 
00096                 Return the name of this class
00097 
00098         ***********************************************************************/
00099 
00100         char[] getName ()
00101         {
00102                 return this.classinfo.name;
00103         }
00104                 
00105         /***********************************************************************
00106                 
00107                 Append an event to the output.
00108                  
00109         ***********************************************************************/
00110 
00111         void append (Event event)
00112         {
00113                 getLayout.format (event);
00114         }
00115 }

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