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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkDOMTestObjectDOMReader_h
#define itkDOMTestObjectDOMReader_h
#include "itkDOMReader.h"
#include "itkDOMTestObject.h"
namespace itk
{
class DOMTestObjectDOMReader : public DOMReader<DOMTestObject>
{
public:
/** Standard class typedefs. */
typedef DOMTestObjectDOMReader Self;
typedef DOMReader<DOMTestObject> Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(DOMTestObjectDOMReader, DOMReader);
protected:
DOMTestObjectDOMReader() {}
/**
* This function is called automatically when update functions are performed.
* It should fill the contents of the output object by pulling information from the intermediate DOM object.
*/
virtual void GenerateData( const DOMNodeType* inputdom, const void* ) ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(DOMTestObjectDOMReader);
};
inline void
DOMTestObjectDOMReader::GenerateData( const DOMNodeType* inputdom, const void* )
{
OutputType* output = this->GetOutput();
if ( output == ITK_NULLPTR )
{
OutputType::Pointer object = OutputType::New();
output = (OutputType*)object;
this->SetOutput( output );
}
FancyString s;
std::ifstream ifs;
if ( inputdom->GetName() != "DOMTestObject" )
{
itkExceptionMacro( "tag name DOMTestObject is expected" );
}
// read child foo
const DOMNodeType* foo = inputdom->GetChild( "foo" );
if ( foo == ITK_NULLPTR )
{
itkExceptionMacro( "child foo not found" );
}
s = foo->GetAttribute("fname");
output->SetFooFileName( s );
// read the foo value from file
ifs.open( s.ToString().c_str() );
if ( !ifs.is_open() )
{
itkExceptionMacro( "cannot read foo file" );
}
std::string fooValue;
ifs >> fooValue;
output->SetFooValue( fooValue );
ifs.close();
}
} // namespace itk
#endif // itkDOMTestObjectDOMReader_h
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