This class offers methods to load an object of the class NavigationToolStorage from the harddisc. More...

#include <mitkNavigationToolStorageDeserializer.h>

Public Types
typedef NavigationToolStorageDeserializer	Self
typedef itk::Object	Superclass
typedef itk::SmartPointer< Self >	Pointer
typedef itk::SmartPointer < const Self >	ConstPointer
Public Member Functions
virtual const char *	GetClassName () const
mitk::NavigationToolStorage::Pointer	Deserialize (std::string filename)
	Loads a collection of navigation tools represented by a mitk::NavigationToolStorage from a file.
virtual std::string	GetErrorMessage ()
Static Public Member Functions
static Pointer	New (mitk::DataStorage::Pointer _arg)
Protected Member Functions
	NavigationToolStorageDeserializer (mitk::DataStorage::Pointer dataStorage)
	~NavigationToolStorageDeserializer ()
Protected Attributes
std::string	m_ErrorMessage
mitk::DataStorage::Pointer	m_DataStorage

Detailed Description

This class offers methods to load an object of the class NavigationToolStorage from the harddisc.

Documentation

Definition at line 37 of file mitkNavigationToolStorageDeserializer.h.

Member Typedef Documentation

typedef itk::SmartPointer<const Self> mitk::NavigationToolStorageDeserializer::ConstPointer

Definition at line 40 of file mitkNavigationToolStorageDeserializer.h.

typedef itk::SmartPointer<Self> mitk::NavigationToolStorageDeserializer::Pointer

Definition at line 40 of file mitkNavigationToolStorageDeserializer.h.

typedef NavigationToolStorageDeserializer mitk::NavigationToolStorageDeserializer::Self

Definition at line 40 of file mitkNavigationToolStorageDeserializer.h.

typedef itk::Object mitk::NavigationToolStorageDeserializer::Superclass

Definition at line 40 of file mitkNavigationToolStorageDeserializer.h.

Constructor & Destructor Documentation

mitk::NavigationToolStorageDeserializer::NavigationToolStorageDeserializer ( mitk::DataStorage::Pointer dataStorage ) [protected]

Definition at line 27 of file mitkNavigationToolStorageDeserializer.cpp.

References m_DataStorage.

  {
  m_DataStorage = dataStorage;
  }

mitk::NavigationToolStorageDeserializer::~NavigationToolStorageDeserializer ( ) [protected]

Definition at line 32 of file mitkNavigationToolStorageDeserializer.cpp.

  {

  }

Member Function Documentation

mitk::NavigationToolStorage::Pointer mitk::NavigationToolStorageDeserializer::Deserialize ( std::string filename )

Loads a collection of navigation tools represented by a mitk::NavigationToolStorage from a file.

Returns:: Returns the storage which was loaded or NULL if there was an error in the loading process.

Definition at line 37 of file mitkNavigationToolStorageDeserializer.cpp.

References mitk::StandardFileLocations::GetInstance(), mitk::StandardFileLocations::GetOptionDirectory(), mitk::NavigationToolStorage::New(), mitk::SceneIO::New(), and mitk::NavigationToolReader::New().

  {
  //decomress zip file into temporary directory
  std::ifstream file( filename.c_str(), std::ios::binary );
  if (!file.good())
    {
    m_ErrorMessage = "Cannot open '" + filename + "' for reading";
    return NULL;
    }
  mitk::NavigationToolReader::Pointer myReader = mitk::NavigationToolReader::New(m_DataStorage);
  std::string tempDirectory = mitk::StandardFileLocations::GetInstance()->GetOptionDirectory() + Poco::Path::separator() + myReader->GetFileWithoutPath(filename);
  Poco::Zip::Decompress unzipper( file, Poco::Path( tempDirectory ) );
  unzipper.decompressAllFiles();


  //create DataNodes using the decomressed storage
  mitk::SceneIO::Pointer mySceneIO = mitk::SceneIO::New();
  mitk::DataStorage::Pointer readStorage = mySceneIO->LoadScene(tempDirectory + Poco::Path::separator() + myReader->GetFileWithoutPath(filename) + ".storage");
  mitk::NavigationToolStorage::Pointer returnValue = mitk::NavigationToolStorage::New();

  for(unsigned int i=0; i<readStorage->GetAll()->Size(); i++)
    {
    mitk::NavigationTool::Pointer newTool = myReader->ConvertDataNodeToNavigationTool(readStorage->GetAll()->ElementAt(i),tempDirectory);
    if (!returnValue->AddTool(newTool))
      {
      m_ErrorMessage = "Error can't parse data storage!";
      return NULL;
      }
    }

  //delete decompressed storage which is not needed any more
  std::remove((std::string(tempDirectory + Poco::Path::separator() + myReader->GetFileWithoutPath(filename) + ".storage")).c_str());

  return returnValue;
  }