text: /*=========================================================================
   *
   *  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 __itkDOMTestObjectDOMWriter_h
  #define __itkDOMTestObjectDOMWriter_h
  
  #include "itkDOMWriter.h"
  #include "itkDOMTestObject.h"
  #include "itkFileTools.h"
  
  namespace itk
  {
  
  class DOMTestObjectDOMWriter : public DOMWriter<DOMTestObject>
  {
  public:
    /** Standard class typedefs. */
    typedef DOMTestObjectDOMWriter      Self;
    typedef DOMWriter<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(DOMTestObjectDOMWriter, DOMWriter);
  
  protected:
    DOMTestObjectDOMWriter() {}
  
    /**
     * This function is called automatically when update functions are performed.
     * It should fill the contents of the intermediate DOM object by pulling information from the input object.
     */
    virtual void GenerateData( DOMNodeType* outputdom, const void* ) const;
  
  private:
    DOMTestObjectDOMWriter(const Self &); //purposely not implemented
    void operator=(const Self &); //purposely not implemented
  };
  
  inline void
  DOMTestObjectDOMWriter::GenerateData( DOMNodeType* outputdom, const void* ) const
  {
    const InputType* input = this->GetInput();
  
    std::ofstream ofs;
    FancyString fn;
  
    outputdom->SetName( "DOMTestObject" );
  
    // write child foo
    fn = input->GetFooFileName();
    DOMNodePointer foo = DOMNodeType::New();
    foo->SetName( "foo" );
    foo->SetAttribute( "fname", fn );
    outputdom->AddChild( foo );
    // create the output file if it does not exist
    FileTools::CreateFile( fn );
    // write the foo value to file
    ofs.open( fn );
    if ( !ofs.is_open() )
      {
      itkExceptionMacro( "cannot write foo file" );
      }
    ofs << input->GetFooValue();
    ofs.close();
  }
  
  } // namespace itk
  
  #endif // __itkDOMTestObjectDOMWriter_h
  