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comparison Resources/Samples/CppHelpers/Logging/NullLogger.h @ 3460:fbe22748cd9c

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added logging OrthancHelpers
author Alain Mazy <alain@mazy.be>
date Tue, 09 Jul 2019 10:30:30 +0200
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3457:9ea218c90057 3460:fbe22748cd9c
1 #pragma once
2
3 #include "ILogger.h"
4
5 namespace OrthancHelpers
6 {
7 // a logger ... that does not log.
8 // Instead of writing:
9 // if (logger != NULL)
10 // {
11 // logger->Info("hello") ;
12 // }
13 // you should create a NullLogger:
14 // logger = new NullLogger();
15 // ...
16 // logger->Info("hello");
17 class NullLogger : public BaseLogger {
18 public:
19 NullLogger() {}
20
21 virtual void Trace(const char* message) {}
22 virtual void Trace(const std::string& message) {}
23 virtual void Info(const char* message) {}
24 virtual void Info(const std::string& message) {}
25 virtual void Warning(const char* message) {}
26 virtual void Warning(const std::string& message) {}
27 virtual void Error(const char* message) {}
28 virtual void Error(const std::string& message) {}
29 };
30 }