1 /*=========================================================================
2  *
3  *  Copyright Insight Software Consortium
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at
8  *
9  *         http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef itkLogOutput_h
19 #define itkLogOutput_h
20 
21 #include "itkMacro.h"
22 #include "itkObject.h"
23 #include "itkObjectFactory.h"
24 
25 #include <string>
26 
27 namespace itk
28 {
29 /** \class LogOutput
30  * \brief Represents an output stream.
31  *
32  *  \author Hee-Su Kim, Compute Science Dept. Kyungpook National University,
33  *                      ISIS Center, Georgetown University.
34  *
35  * \ingroup OSSystemObjects LoggingObjects
36  * \ingroup ITKCommon
37  */
38 
39 class ITKCommon_EXPORT LogOutput:public Object
40 {
41 public:
42 
43   using Self = LogOutput;
44   using Superclass = Object;
45   using Pointer = SmartPointer< Self >;
46   using ConstPointer = SmartPointer< const Self >;
47 
48   /** flush a buffer */
49   virtual void Flush() = 0;
50 
51   /** Write to a buffer */
52   virtual void Write(double timestamp) = 0;
53 
54   /** Write to a buffer */
55   virtual void Write(const std::string & content) = 0;
56 
57   /** Write to a buffer */
58   virtual void Write(const std::string & content, double timestamp) = 0;
59 
60 protected:
61 
62   /** Destructor */
63   LogOutput();
64 
65   /** Destructor */
66   ~LogOutput() override;
67 };
68 }
69 
70 #endif //itkLogOutput_h
71