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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* 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.
*
************************************************************************/
#include "componentmodule.hxx"
#include <tools/resmgr.hxx>
#include <svl/solar.hrc>
#include <comphelper/sequence.hxx>
#include <tools/debug.hxx>
#include <rtl/strbuf.hxx>
#define ENTER_MOD_METHOD() \
::osl::MutexGuard aGuard(s_aMutex); \
ensureImpl()
//.........................................................................
namespace COMPMOD_NAMESPACE
{
//.........................................................................
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::registry;
using namespace ::comphelper;
using namespace ::cppu;
//=========================================================================
//= OModuleImpl
//=========================================================================
/** implementation for <type>OModule</type>. not threadsafe, has to be guarded by it's owner
*/
class OModuleImpl
{
ResMgr* m_pRessources;
sal_Bool m_bInitialized;
rtl::OString m_sFilePrefix;
public:
/// ctor
OModuleImpl();
~OModuleImpl();
/// get the manager for the ressources of the module
ResMgr* getResManager();
void setResourceFilePrefix(const ::rtl::OString& _rPrefix) { m_sFilePrefix = _rPrefix; }
};
//-------------------------------------------------------------------------
OModuleImpl::OModuleImpl()
:m_pRessources(NULL)
,m_bInitialized(sal_False)
{
}
//-------------------------------------------------------------------------
OModuleImpl::~OModuleImpl()
{
if (m_pRessources)
delete m_pRessources;
}
//-------------------------------------------------------------------------
ResMgr* OModuleImpl::getResManager()
{
// note that this method is not threadsafe, which counts for the whole class !
if (!m_pRessources && !m_bInitialized)
{
DBG_ASSERT(m_sFilePrefix.getLength(), "OModuleImpl::getResManager: no resource file prefix!");
// create a manager with a fixed prefix
m_pRessources = ResMgr::CreateResMgr(m_sFilePrefix.getStr());
DBG_ASSERT(m_pRessources,
rtl::OStringBuffer("OModuleImpl::getResManager: could not create the resource manager (file name: ")
.append(m_sFilePrefix)
.append(")!").getStr());
m_bInitialized = sal_True;
}
return m_pRessources;
}
//=========================================================================
//= OModule
//=========================================================================
::osl::Mutex OModule::s_aMutex;
sal_Int32 OModule::s_nClients = 0;
OModuleImpl* OModule::s_pImpl = NULL;
::rtl::OString OModule::s_sResPrefix;
//-------------------------------------------------------------------------
ResMgr* OModule::getResManager()
{
ENTER_MOD_METHOD();
return s_pImpl->getResManager();
}
//-------------------------------------------------------------------------
void OModule::setResourceFilePrefix(const ::rtl::OString& _rPrefix)
{
::osl::MutexGuard aGuard(s_aMutex);
s_sResPrefix = _rPrefix;
if (s_pImpl)
s_pImpl->setResourceFilePrefix(_rPrefix);
}
//-------------------------------------------------------------------------
void OModule::registerClient()
{
::osl::MutexGuard aGuard(s_aMutex);
++s_nClients;
}
//-------------------------------------------------------------------------
void OModule::revokeClient()
{
::osl::MutexGuard aGuard(s_aMutex);
if (!--s_nClients && s_pImpl)
{
delete s_pImpl;
s_pImpl = NULL;
}
}
//-------------------------------------------------------------------------
void OModule::ensureImpl()
{
if (s_pImpl)
return;
s_pImpl = new OModuleImpl();
s_pImpl->setResourceFilePrefix(s_sResPrefix);
}
//--------------------------------------------------------------------------
//- registration helper
//--------------------------------------------------------------------------
Sequence< ::rtl::OUString >* OModule::s_pImplementationNames = NULL;
Sequence< Sequence< ::rtl::OUString > >* OModule::s_pSupportedServices = NULL;
Sequence< sal_Int64 >* OModule::s_pCreationFunctionPointers = NULL;
Sequence< sal_Int64 >* OModule::s_pFactoryFunctionPointers = NULL;
//--------------------------------------------------------------------------
void OModule::registerComponent(
const ::rtl::OUString& _rImplementationName,
const Sequence< ::rtl::OUString >& _rServiceNames,
ComponentInstantiation _pCreateFunction,
FactoryInstantiation _pFactoryFunction)
{
if (!s_pImplementationNames)
{
OSL_ENSURE(!s_pSupportedServices && !s_pCreationFunctionPointers && !s_pFactoryFunctionPointers,
"OModule::registerComponent : inconsistent state (the pointers (1)) !");
s_pImplementationNames = new Sequence< ::rtl::OUString >;
s_pSupportedServices = new Sequence< Sequence< ::rtl::OUString > >;
s_pCreationFunctionPointers = new Sequence< sal_Int64 >;
s_pFactoryFunctionPointers = new Sequence< sal_Int64 >;
}
OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
"OModule::registerComponent : inconsistent state (the pointers (2)) !");
OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
&& (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
&& (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
"OModule::registerComponent : inconsistent state !");
sal_Int32 nOldLen = s_pImplementationNames->getLength();
s_pImplementationNames->realloc(nOldLen + 1);
s_pSupportedServices->realloc(nOldLen + 1);
s_pCreationFunctionPointers->realloc(nOldLen + 1);
s_pFactoryFunctionPointers->realloc(nOldLen + 1);
s_pImplementationNames->getArray()[nOldLen] = _rImplementationName;
s_pSupportedServices->getArray()[nOldLen] = _rServiceNames;
s_pCreationFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pCreateFunction);
s_pFactoryFunctionPointers->getArray()[nOldLen] = reinterpret_cast<sal_Int64>(_pFactoryFunction);
}
//--------------------------------------------------------------------------
void OModule::revokeComponent(const ::rtl::OUString& _rImplementationName)
{
if (!s_pImplementationNames)
{
OSL_FAIL("OModule::revokeComponent : have no class infos ! Are you sure called this method at the right time ?");
return;
}
OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
"OModule::revokeComponent : inconsistent state (the pointers) !");
OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
&& (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
&& (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
"OModule::revokeComponent : inconsistent state !");
sal_Int32 nLen = s_pImplementationNames->getLength();
const ::rtl::OUString* pImplNames = s_pImplementationNames->getConstArray();
for (sal_Int32 i=0; i<nLen; ++i, ++pImplNames)
{
if (pImplNames->equals(_rImplementationName))
{
removeElementAt(*s_pImplementationNames, i);
removeElementAt(*s_pSupportedServices, i);
removeElementAt(*s_pCreationFunctionPointers, i);
removeElementAt(*s_pFactoryFunctionPointers, i);
break;
}
}
if (s_pImplementationNames->getLength() == 0)
{
delete s_pImplementationNames; s_pImplementationNames = NULL;
delete s_pSupportedServices; s_pSupportedServices = NULL;
delete s_pCreationFunctionPointers; s_pCreationFunctionPointers = NULL;
delete s_pFactoryFunctionPointers; s_pFactoryFunctionPointers = NULL;
}
}
//--------------------------------------------------------------------------
Reference< XInterface > OModule::getComponentFactory(
const ::rtl::OUString& _rImplementationName,
const Reference< XMultiServiceFactory >& _rxServiceManager)
{
OSL_ENSURE(_rxServiceManager.is(), "OModule::getComponentFactory : invalid argument (service manager) !");
OSL_ENSURE(_rImplementationName.getLength(), "OModule::getComponentFactory : invalid argument (implementation name) !");
if (!s_pImplementationNames)
{
OSL_FAIL("OModule::getComponentFactory : have no class infos ! Are you sure called this method at the right time ?");
return NULL;
}
OSL_ENSURE(s_pImplementationNames && s_pSupportedServices && s_pCreationFunctionPointers && s_pFactoryFunctionPointers,
"OModule::getComponentFactory : inconsistent state (the pointers) !");
OSL_ENSURE( (s_pImplementationNames->getLength() == s_pSupportedServices->getLength())
&& (s_pImplementationNames->getLength() == s_pCreationFunctionPointers->getLength())
&& (s_pImplementationNames->getLength() == s_pFactoryFunctionPointers->getLength()),
"OModule::getComponentFactory : inconsistent state !");
Reference< XInterface > xReturn;
sal_Int32 nLen = s_pImplementationNames->getLength();
const ::rtl::OUString* pImplName = s_pImplementationNames->getConstArray();
const Sequence< ::rtl::OUString >* pServices = s_pSupportedServices->getConstArray();
const sal_Int64* pComponentFunction = s_pCreationFunctionPointers->getConstArray();
const sal_Int64* pFactoryFunction = s_pFactoryFunctionPointers->getConstArray();
for (sal_Int32 i=0; i<nLen; ++i, ++pImplName, ++pServices, ++pComponentFunction, ++pFactoryFunction)
{
if (pImplName->equals(_rImplementationName))
{
const FactoryInstantiation FactoryInstantiationFunction = reinterpret_cast<const FactoryInstantiation>(*pFactoryFunction);
const ComponentInstantiation ComponentInstantiationFunction = reinterpret_cast<const ComponentInstantiation>(*pComponentFunction);
xReturn = FactoryInstantiationFunction( _rxServiceManager, *pImplName, ComponentInstantiationFunction, *pServices, NULL);
if (xReturn.is())
{
xReturn->acquire();
return xReturn.get();
}
}
}
return NULL;
}
//.........................................................................
} // namespace COMPMOD_NAMESPACE
//.........................................................................
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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