//=========================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//=========================================================================
#include "vtkStringWriter.h"

#include "vtkErrorCode.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"

#
#include <sys/stat.h>
#include <sys/types.h>
#include <vtksys/SystemTools.hxx>

vtkStandardNewMacro(vtkStringWriter);

vtkStringWriter::vtkStringWriter()
{
  this->FileName = 0;
  this->Text = 0;
  this->SetNumberOfInputPorts(0);
}

vtkStringWriter::~vtkStringWriter()
{
  this->SetFileName(0);
  this->SetText(0);
}

int vtkStringWriter::RequestInformation(vtkInformation* vtkNotUsed(request),
  vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
  return 1;
}

int vtkStringWriter::RequestData(vtkInformation* vtkNotUsed(request),
  vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* vtkNotUsed(outputVector))
{
  if (this->FileName == NULL || this->Text == NULL)
  {
    return 0;
  }

  // make the directory if necessary
  std::string filePath = vtksys::SystemTools::GetFilenamePath(this->FileName);
  if (filePath.empty() == false &&
    vtksys::SystemTools::FileExists(filePath.c_str(), false) == false)
  {
    if (vtksys::SystemTools::MakeDirectory(filePath.c_str()) == false)
    {
      vtkErrorMacro(<< "Could not create directory " << filePath);
      return 0;
    }
  }

  std::ofstream out(this->FileName);
  out.write(this->Text, strlen(this->Text));
  out.close();

  return 1;
}

void vtkStringWriter::PrintSelf(ostream& os, vtkIndent indent)
{
  this->Superclass::PrintSelf(os, indent);

  os << indent << "File Name: " << (this->FileName ? this->FileName : "(none)") << "\n";
}
