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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: legacysingletonfactory.cxx,v $
* $Revision: 1.3 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_comphelper.hxx"
#include "comphelper/legacysingletonfactory.hxx"
/** === begin UNO includes === **/
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
/** === end UNO includes === **/
#include <cppuhelper/implbase2.hxx>
#include <algorithm>
//........................................................................
namespace comphelper
{
//........................................................................
/** === begin UNO using === **/
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::UNO_QUERY;
using ::com::sun::star::uno::UNO_QUERY_THROW;
using ::com::sun::star::uno::UNO_SET_THROW;
using ::com::sun::star::uno::Exception;
using ::com::sun::star::uno::RuntimeException;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::makeAny;
using ::com::sun::star::lang::XSingleComponentFactory;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::lang::XServiceInfo;
using ::com::sun::star::lang::XInitialization;
/** === end UNO using === **/
//====================================================================
//= LegacySingletonFactory
//====================================================================
typedef ::cppu::WeakImplHelper2 < XServiceInfo
, XSingleComponentFactory
> LegacySingletonFactory_Base;
class COMPHELPER_DLLPRIVATE LegacySingletonFactory : public LegacySingletonFactory_Base
{
public:
LegacySingletonFactory(
::cppu::ComponentFactoryFunc _componentFactoryFunc, const ::rtl::OUString& _rImplementationName,
const Sequence< ::rtl::OUString >& _rServiceNames, rtl_ModuleCount* _pModCount
);
// XServiceInfo
virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw (RuntimeException);
virtual ::sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw (RuntimeException);
virtual Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw (RuntimeException);
// XSingleComponentFactory
virtual Reference< XInterface > SAL_CALL createInstanceWithContext( const Reference< XComponentContext >& Context ) throw (Exception, RuntimeException);
virtual Reference< XInterface > SAL_CALL createInstanceWithArgumentsAndContext( const Sequence< Any >& Arguments, const Reference< XComponentContext >& Context ) throw (Exception, RuntimeException);
protected:
~LegacySingletonFactory();
private:
/** creates m_xInstance, returns whether it actually was created (<TRUE/>) or existed before (<FALSE/>
*/
bool impl_nts_ensureInstance( const Reference< XComponentContext >& _rxContext );
private:
::osl::Mutex m_aMutex;
::cppu::ComponentFactoryFunc m_componentFactoryFunc;
::rtl::OUString m_sImplementationName;
Sequence< ::rtl::OUString > m_aServiceNames;
rtl_ModuleCount* m_pModuleCount;
Reference< XInterface > m_xTheInstance;
};
//--------------------------------------------------------------------
LegacySingletonFactory::LegacySingletonFactory( ::cppu::ComponentFactoryFunc _componentFactoryFunc, const ::rtl::OUString& _rImplementationName,
const Sequence< ::rtl::OUString >& _rServiceNames, rtl_ModuleCount* _pModCount )
:m_componentFactoryFunc ( _componentFactoryFunc )
,m_sImplementationName ( _rImplementationName )
,m_aServiceNames ( _rServiceNames )
,m_pModuleCount ( _pModCount )
,m_xTheInstance ( )
{
if ( m_pModuleCount )
m_pModuleCount->acquire( m_pModuleCount );
}
//--------------------------------------------------------------------
LegacySingletonFactory::~LegacySingletonFactory()
{
if ( m_pModuleCount )
m_pModuleCount->release( m_pModuleCount );
}
//--------------------------------------------------------------------
::rtl::OUString SAL_CALL LegacySingletonFactory::getImplementationName( ) throw (RuntimeException)
{
return m_sImplementationName;
}
//--------------------------------------------------------------------
::sal_Bool SAL_CALL LegacySingletonFactory::supportsService( const ::rtl::OUString& _rServiceName ) throw (RuntimeException)
{
Sequence< ::rtl::OUString > aServices( getSupportedServiceNames() );
const ::rtl::OUString* pStart = aServices.getConstArray();
const ::rtl::OUString* pEnd = aServices.getConstArray() + aServices.getLength();
return ::std::find( pStart, pEnd, _rServiceName ) != pEnd;
}
//--------------------------------------------------------------------
Sequence< ::rtl::OUString > SAL_CALL LegacySingletonFactory::getSupportedServiceNames( ) throw (RuntimeException)
{
return m_aServiceNames;
}
//--------------------------------------------------------------------
bool LegacySingletonFactory::impl_nts_ensureInstance( const Reference< XComponentContext >& _rxContext )
{
if ( m_xTheInstance.is() )
return false;
m_xTheInstance = (*m_componentFactoryFunc)( _rxContext );
if ( !m_xTheInstance.is() )
throw RuntimeException();
return true; // true -> "was newly created"
}
//--------------------------------------------------------------------
Reference< XInterface > SAL_CALL LegacySingletonFactory::createInstanceWithContext( const Reference< XComponentContext >& _rxContext ) throw (Exception, RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
impl_nts_ensureInstance( _rxContext );
return m_xTheInstance;
}
//--------------------------------------------------------------------
Reference< XInterface > SAL_CALL LegacySingletonFactory::createInstanceWithArgumentsAndContext( const Sequence< Any >& _rArguments, const Reference< XComponentContext >& _rxContext ) throw (Exception, RuntimeException)
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !impl_nts_ensureInstance( _rxContext ) )
throw RuntimeException(
::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "Instance already created before, unable to initialize it." ) ),
*this
);
Reference< XInitialization > xInit( m_xTheInstance, UNO_QUERY_THROW );
xInit->initialize( _rArguments );
return m_xTheInstance;
}
//====================================================================
//= createLegacySingletonFactory
//====================================================================
Reference< XSingleComponentFactory > createLegacySingletonFactory(
::cppu::ComponentFactoryFunc _componentFactoryFunc, const ::rtl::OUString& _rImplementationName,
const Sequence< ::rtl::OUString >& _rServiceNames, rtl_ModuleCount* _pModCount )
{
return new LegacySingletonFactory( _componentFactoryFunc, _rImplementationName, _rServiceNames, _pModCount );
}
//........................................................................
} // namespace comphelper
//........................................................................
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