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annotate OrthancServer/Resources/Samples/CppHelpers/Logging/NullLogger.h @ 4829:c847b0dfd255

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added missing copyright headers
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 25 Nov 2021 18:53:08 +0100
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children 7053502fbf97
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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 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
3460
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Alain Mazy <alain@mazy.be>
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22 #pragma once
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23
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24 #include "ILogger.h"
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25
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26 namespace OrthancHelpers
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27 {
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28 // a logger ... that does not log.
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29 // Instead of writing:
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30 // if (logger != NULL)
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31 // {
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32 // logger->Info("hello") ;
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33 // }
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34 // you should create a NullLogger:
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35 // logger = new NullLogger();
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36 // ...
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37 // logger->Info("hello");
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38 class NullLogger : public BaseLogger {
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39 public:
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40 NullLogger() {}
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41
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42 virtual void Trace(const char* message) {}
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43 virtual void Trace(const std::string& message) {}
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44 virtual void Info(const char* message) {}
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45 virtual void Info(const std::string& message) {}
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46 virtual void Warning(const char* message) {}
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47 virtual void Warning(const std::string& message) {}
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48 virtual void Error(const char* message) {}
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49 virtual void Error(const std::string& message) {}
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50 };
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51 }