/*=========================================================================

  Program:   ParaView
  Module:    vtkSMDeserializerXML.cxx

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.paraview.org/HTML/Copyright.html 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 "vtkSMDeserializerXML.h"

#include "vtkObjectFactory.h"
#include "vtkPVXMLElement.h"
#include "vtkSmartPointer.h"
#include "vtkSMProxy.h"
#include "vtkSMProxyLocator.h"
#include "vtkSMSessionProxyManager.h"
#include "vtkSMSession.h"

vtkStandardNewMacro(vtkSMDeserializerXML);
//----------------------------------------------------------------------------
vtkSMDeserializerXML::vtkSMDeserializerXML()
{
}

//----------------------------------------------------------------------------
vtkSMDeserializerXML::~vtkSMDeserializerXML()
{
}

//----------------------------------------------------------------------------
vtkSMProxy* vtkSMDeserializerXML::NewProxy(vtkTypeUInt32 id,
                                           vtkSMProxyLocator* locator)
{
  vtkPVXMLElement* elem = this->LocateProxyElement(id);
  if (!elem)
    {
    return 0;
    }

  const char* group = elem->GetAttribute("group");
  const char* type = elem->GetAttribute("type");
  if (!type)
    {
    vtkErrorMacro("Could not create proxy from element, missing 'type'.");
    return 0;
    }

  vtkSMProxy* proxy;
  proxy = this->CreateProxy(group, type);
  if (!proxy)
    {
    vtkErrorMacro("Could not create a proxy of group: "
      << (group? group : "(null)")
      << " type: " << type);
    return 0;
    }

  if (!this->LoadProxyState(elem, proxy, locator))
    {
    vtkErrorMacro("Failed to load state correctly.");
    proxy->Delete();
    return 0;
    }

  this->CreatedNewProxy(id, proxy);
  return proxy;
}

//----------------------------------------------------------------------------
vtkSMProxy* vtkSMDeserializerXML::CreateProxy(const char* xmlgroup,
                                              const char* xmlname,
                                              const char* subProxyName /*=NULL*/)
{
  vtkSMSessionProxyManager* pxm = this->GetSessionProxyManager();
  vtkSMProxy* proxy = pxm->NewProxy(xmlgroup, xmlname, subProxyName);
  return proxy;
}

//----------------------------------------------------------------------------
vtkPVXMLElement* vtkSMDeserializerXML::LocateProxyElement(vtkTypeUInt32 vtkNotUsed(id))
{
  return NULL;
}

//----------------------------------------------------------------------------
int vtkSMDeserializerXML::LoadProxyState( vtkPVXMLElement* element,
                                          vtkSMProxy* proxy,
                                          vtkSMProxyLocator* locator)
{
  return proxy->LoadXMLState(element, locator);
}


//----------------------------------------------------------------------------
void vtkSMDeserializerXML::CreatedNewProxy(vtkTypeUInt32 vtkNotUsed(id),
                                           vtkSMProxy* vtkNotUsed(proxy))
{
}

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