#include <cppunit/plugin/DynamicLibraryManager.h>

#if !defined(CPPUNIT_NO_TESTPLUGIN)

#include <cppunit/plugin/DynamicLibraryManagerException.h>

CPPUNIT_NS_BEGIN

DynamicLibraryManager::DynamicLibraryManager( const std::string &libraryFileName )

    : m_libraryHandle( NULL )

    , m_libraryName( libraryFileName )

{

  loadLibrary( libraryFileName );

}

DynamicLibraryManager::~DynamicLibraryManager()

{

  releaseLibrary();

}

DynamicLibraryManager::Symbol 

DynamicLibraryManager::findSymbol( const std::string &symbol )

{

  try

  {

    Symbol symbolPointer = doFindSymbol( symbol );

    if ( symbolPointer != NULL )

      return symbolPointer;

  }

  catch ( ... )

  {

  }

  throw DynamicLibraryManagerException( m_libraryName, 

                                        symbol,

                                        DynamicLibraryManagerException::symbolNotFound );

  return NULL;    // keep compiler happy

}

void

DynamicLibraryManager::loadLibrary( const std::string &libraryName )

{

  try

  {

    releaseLibrary();

    m_libraryHandle = doLoadLibrary( libraryName );

    if ( m_libraryHandle != NULL )

      return;

  }

  catch (...)

  {

  }

  throw DynamicLibraryManagerException( m_libraryName,

                                        getLastErrorDetail(),

                                        DynamicLibraryManagerException::loadingFailed );

}

void 

DynamicLibraryManager::releaseLibrary()

{

  if ( m_libraryHandle != NULL )

  {

    doReleaseLibrary();

    m_libraryHandle = NULL;

  }

}

CPPUNIT_NS_END

#endif // !defined(CPPUNIT_NO_TESTPLUGIN)