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annotate OrthancServer/Resources/Samples/CppHelpers/Logging/NullLogger.h @ 4831:7053502fbf97

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added copyright UCLouvain
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 25 Nov 2021 19:01:11 +0100
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU General Public License as
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10 * published by the Free Software Foundation, either version 3 of the
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11 * License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #include "ILogger.h"
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26
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27 namespace OrthancHelpers
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28 {
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29 // a logger ... that does not log.
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30 // Instead of writing:
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31 // if (logger != NULL)
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32 // {
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33 // logger->Info("hello") ;
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34 // }
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35 // you should create a NullLogger:
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36 // logger = new NullLogger();
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37 // ...
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38 // logger->Info("hello");
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39 class NullLogger : public BaseLogger {
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40 public:
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41 NullLogger() {}
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42
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43 virtual void Trace(const char* message) {}
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44 virtual void Trace(const std::string& message) {}
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45 virtual void Info(const char* message) {}
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46 virtual void Info(const std::string& message) {}
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47 virtual void Warning(const char* message) {}
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48 virtual void Warning(const std::string& message) {}
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49 virtual void Error(const char* message) {}
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50 virtual void Error(const std::string& message) {}
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51 };
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52 }