freMediaContainerController.cxx

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

  Program:   F.R.E.E. - flexible registration evaluation engine
  Version:   v.1.0.0
  Date:      $Date: 2006/09/01 12:00:00 $
  Module:    $RCSfile: freMediaContainerController.cxx,v $
  Language:  C++



  Copyright (c) 2007 Ralf o Floca (Department of Medical Informatics,
  Institute for Medical Biometry and Informatics, University of Heidelberg,
  Germany). All rights reserved.
  See FREECopyright.txt or http://www.mi.med.uni-hd.de/free/copyright.htm
  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 notices for more information.

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

#include "freMediaContainerController.h"
#include "freExceptions.h"

namespace FREE
{


MediaContainerController::GenericMediaPointer
MediaContainerController::
GetMediaCasted(const MediaID& mediaID,
               ComponentType* pComponent,
               SessionComponentCache* pComponentCache,
               SessionInfo* pSessionInfo) const
{
  SessionComponentCache* pMediaCache = pComponentCache->SubCaches().GetElement(mediaID);
  if (!pMediaCache) throwCtrlExceptionMacro("","Specified media component does not exist (mediaID: "<<mediaID<<"). Cannot get media.");

  GenericMediaPointer media = pMediaCache->Controller()->GetMedia("media",pMediaCache,pSessionInfo);
        return media;
}; 

void
MediaContainerController::
SetMediaCasted(const MediaID& mediaID, GenericMediaType* pMedia,
               ComponentType* pComponent,
               SessionComponentCache* pComponentCache,
               SessionInfo* pSessionInfo) const
{
  SessionComponentCache* pMediaCache = pComponentCache->SubCaches().GetElement(mediaID);
  if (!pMediaCache) throwCtrlExceptionMacro("","Specified media component does not exist (mediaID: "<<mediaID<<"). Cannot set media.");

  pMediaCache->Controller()->SetMedia("media",pMedia,pMediaCache,pSessionInfo);
}; 

MediaContainerController::
MediaContainerController()
{
  this->UpdateControllerID(ControllerID::MediaContainerController);
  this->m_Description = "Media container offering sub containers or media needed within the registration.";
};

MediaContainerController::GenericComponentType*
MediaContainerController::
GetSubComponentCasted(ComponentType* pMainComponent, const ComponentID& compID,
                      SessionComponentCache* pMainComponentCache) const
{
  SessionComponentCache* pSubCache = pMainComponentCache->SubCaches().GetElement(compID);
  if (!pSubCache) throwCtrlExceptionMacro("","Specified subcomponent does not exist (component ID: "<<compID<<"). Cannot get subcomponent.");

  if (!pSubCache->ControllerIsAssigned()) throwCtrlExceptionMacro("","Controller for specified subcomponent does not exist (component ID: "<<compID<<"). Cannot get subcomponent.");
 
  return pSubCache->Controller()->GetGenericComponent(pSubCache);
}; 

void
MediaContainerController::
SetSubComponentCasted(GenericComponentType* pSubComponent, ComponentType* pMainComponent, const ComponentID compID,
                      SessionComponentCache* pMainComponentCache) const
{
  SessionComponentCache* pSubCache = pMainComponentCache->SubCaches().GetElement(compID);
  if (!pSubCache) throwCtrlExceptionMacro("","Specified subcomponent does not exist (component ID: "<<compID<<"). Cannot set subcomponent.");

  if (!pSubCache->ControllerIsAssigned()) throwCtrlExceptionMacro("","Controller for specified subcomponent does not exist (component ID: "<<compID<<"). Cannot set subcomponent.");
 
  pSubCache->Controller()->SetGenericComponent(pSubComponent, pSubCache);
}; 

ValidityTag::Pointer
MediaContainerController::
GetMediaValidityTag(const MediaID& mediaID, SessionComponentCache* pComponentCache) const
{
        if (!pComponentCache) throwCtrlExceptionMacro("", "Error; passed component cache is NULL");
        
  SessionComponentCache* pMediaCache = pComponentCache->SubCaches().GetElement(mediaID);
  if (!pMediaCache) throwCtrlExceptionMacro("","Cannot retrieve ValidityTag. Specified media component does not exist (mediaID: "<<mediaID<<")");

  if (!pMediaCache->ControllerIsAssigned()) throwCtrlExceptionMacro("", "Error; validity tag for "<<mediaID<<" cannot retrieved; controller missing. Please, check if session is properly initialized.");
        
  try
  {
    return pMediaCache->Controller()->GetMediaValidityTag("media",pMediaCache);
  }
  catchAllNPassMacro("Error while retrieving ValidityTag of subcomponent.")
}; 

ValidityTag::Pointer
MediaContainerController::
GetMediaValidityTagRequirement(const MediaID& mediaID, SessionComponentCache* pComponentCache) const
{
        if (!pComponentCache) throwCtrlExceptionMacro("", "Error; passed component cache is NULL");
        
  SessionComponentCache* pMediaCache = pComponentCache->SubCaches().GetElement(mediaID);
  if (!pMediaCache) throwCtrlExceptionMacro("","Cannot retrieve ValidityTag. Specified media component does not exist (mediaID: "<<mediaID<<")");

  if (!pMediaCache->ControllerIsAssigned()) throwCtrlExceptionMacro("", "Error; validity tag for "<<mediaID<<" cannot retrieved; controller missing. Please, check if session is properly initialized.");
        
  try
  {
    return pMediaCache->Controller()->GetMediaValidityTagRequirement("media",pMediaCache);
  }
  catchAllNPassMacro("Error while retrieving ValidityTag of subcomponent.")
}; 

std::string
MediaContainerController::
GetMediaControllerID(const MediaID& mediaID, SessionComponentCache* pComponentCache) const
{
        if (!pComponentCache) throwCtrlExceptionMacro("", "Error; passed component cache is NULL");
        if (!pComponentCache->SetupIsAssigned()) throwCtrlExceptionMacro("", "Error; validity tag for "<<mediaID<<" cannot be retrieved. No setup avaible to check media links. Check if session was correctly initialized.");

        ComponentSetup* pMediaSetup = pComponentCache->Setup()->Components().GetElement(mediaID);

        if (pMediaSetup)
        { //there is a media within the media container
                return pMediaSetup->GetControllerID();
        }

        return csUndefinedController;
}; 

} //end of namespace free

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