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 }