//
// $Id: GeometryIO.cpp,v 1.1 2001/03/25 20:54:21 hobbs Exp $
//
// File: BaseGeometry.cc
// Purpose: 
// Created: 28-OCT-1997   John Hobbs
//
// $Revision: 1.1 $
//
//

// Include files
#include <string>
#include <d0stream/d0StreamFactory.hpp>
#include <d0stream/d0Stream.hpp>
#include <d0stream/d0Key.hpp>
#include "geometry_system/utils/GeometryIO.hpp"

using namespace std;
using namespace dgs;

GeometryIO::GeometryIO() {}

// Write a geometry instance to the given file
bool GeometryIO::writeGeometry(d0_Ref_Any det, string fname, string type)
{
  d0StreamFactory* theFactory = d0StreamFactory::locateStreamFactory();
  d0Stream* geomfile =  theFactory->make_d0Stream(fname,type.c_str(),ios::out);
  if( !geomfile ) return false;
  geomfile->write(*det);
  geomfile->close();
  delete geomfile;
  return true;
}

// Read a geometry instance from the given file
d0_Ref_Any GeometryIO::readGeometry(string fname, string type, string top)
{

  d0StreamFactory* theFactory = d0StreamFactory::locateStreamFactory();
  d0Stream* geomfile =  theFactory->make_d0Stream(fname.c_str(),type.c_str(),ios::in);
  if( !geomfile ) return 0;
  
  d0Key mykey(top.c_str());
  d0_Ref_Any topDet = geomfile->read(&mykey);
  if( !topDet ) return 0;
  geomfile->close();
  delete geomfile;
  return topDet;

}