1
0
Fork 0
libreoffice/connectivity/source/drivers/macab/MacabDriver.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

310 lines
8.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "MacabDriver.hxx"
#include "MacabConnection.hxx"
#include <com/sun/star/sdb/SQLContext.hpp>
#include <com/sun/star/lang/NullPointerException.hpp>
#include <com/sun/star/frame/Desktop.hpp>
#include <sal/log.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <strings.hrc>
#include <cppuhelper/supportsservice.hxx>
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::beans;
using namespace com::sun::star::sdbc;
using namespace com::sun::star::sdb;
using namespace com::sun::star::frame;
using namespace connectivity::macab;
namespace {
/** throws a generic SQL exception with SQLState S1000 and error code 0
*/
void throwGenericSQLException( const OUString& _rMessage )
{
SQLException aError;
aError.Message = _rMessage;
aError.SQLState = "S1000";
aError.ErrorCode = 0;
throw aError;
}
/** throws an SQLException saying that no Mac OS installation was found
*/
void throwNoMacOSException()
{
::connectivity::SharedResources aResources;
const OUString sError( aResources.getResourceString(
STR_NO_MAC_OS_FOUND
) );
throwGenericSQLException( sError );
}
}
// = MacabImplModule
MacabImplModule::MacabImplModule()
:m_bAttemptedLoadModule(false)
,m_hConnectorModule(nullptr)
,m_pConnectionFactoryFunc(nullptr)
{
}
bool MacabImplModule::isMacOSPresent()
{
return impl_loadModule();
}
namespace
{
template< typename FUNCTION >
void lcl_getFunctionFromModuleOrUnload( oslModule& _rModule, const char* _pAsciiSymbolName, FUNCTION& _rFunction )
{
_rFunction = nullptr;
if ( _rModule )
{
const OUString sSymbolName = OUString::createFromAscii( _pAsciiSymbolName );
_rFunction = reinterpret_cast<FUNCTION>( osl_getSymbol( _rModule, sSymbolName.pData ) );
if ( !_rFunction )
{ // did not find the symbol
SAL_WARN( "connectivity.macab", "lcl_getFunctionFromModuleOrUnload: could not find the symbol " << _pAsciiSymbolName );
osl_unloadModule( _rModule );
_rModule = nullptr;
}
}
}
}
extern "C" { static void thisModule() {} }
bool MacabImplModule::impl_loadModule()
{
if ( m_bAttemptedLoadModule )
return ( m_hConnectorModule != nullptr );
m_bAttemptedLoadModule = true;
OSL_ENSURE( !m_hConnectorModule && !m_pConnectionFactoryFunc,
"MacabImplModule::impl_loadModule: inconsistence: inconsistency (never attempted load before, but some values already set)!");
static constexpr OUString sModuleName( u"" SAL_MODULENAME( "macabdrv1" ) ""_ustr );
m_hConnectorModule = osl_loadModuleRelative( &thisModule, sModuleName.pData, SAL_LOADMODULE_NOW ); // LAZY! #i61335#
OSL_ENSURE( m_hConnectorModule, "MacabImplModule::impl_loadModule: could not load the implementation library!" );
if ( !m_hConnectorModule )
return false;
lcl_getFunctionFromModuleOrUnload( m_hConnectorModule, "createMacabConnection", m_pConnectionFactoryFunc );
if ( !m_hConnectorModule )
// one of the symbols did not exist
throw RuntimeException();
return true;
}
void MacabImplModule::impl_unloadModule()
{
OSL_PRECOND( m_hConnectorModule != nullptr, "MacabImplModule::impl_unloadModule: no module!" );
osl_unloadModule( m_hConnectorModule );
m_hConnectorModule = nullptr;
m_pConnectionFactoryFunc = nullptr;
m_bAttemptedLoadModule = false;
}
void MacabImplModule::init()
{
if ( !impl_loadModule() )
throwNoMacOSException();
}
MacabConnection* MacabImplModule::createConnection( MacabDriver* _pDriver ) const
{
OSL_PRECOND( m_hConnectorModule, "MacabImplModule::createConnection: not initialized!" );
void* pUntypedConnection = (*m_pConnectionFactoryFunc)( _pDriver );
if ( !pUntypedConnection )
throw RuntimeException();
return static_cast< MacabConnection* >( pUntypedConnection );
}
void MacabImplModule::shutdown()
{
if ( !m_hConnectorModule )
return;
impl_unloadModule();
}
// = MacabDriver
MacabDriver::MacabDriver(
const Reference< css::uno::XComponentContext >& _rxContext)
: MacabDriver_BASE(m_aMutex),
m_xContext(_rxContext),
m_aImplModule()
{
if ( !m_xContext.is() )
throw NullPointerException();
osl_atomic_increment( &m_refCount );
try
{
Reference< XDesktop2 > xDesktop = Desktop::create( m_xContext );
xDesktop->addTerminateListener( this );
}
catch( const Exception& )
{
DBG_UNHANDLED_EXCEPTION("connectivity.macab");
}
osl_atomic_decrement( &m_refCount );
}
void MacabDriver::disposing()
{
::osl::MutexGuard aGuard(m_aMutex);
// when driver will be destroyed so all our connections have to be destroyed as well
for (auto& rxConnection : m_xConnections)
{
Reference< XComponent > xComp(rxConnection.get(), UNO_QUERY);
if (xComp.is())
xComp->dispose();
}
m_xConnections.clear();
WeakComponentImplHelperBase::disposing();
}
OUString SAL_CALL MacabDriver::getImplementationName( )
{
return "com.sun.star.comp.sdbc.macab.Driver";
}
sal_Bool SAL_CALL MacabDriver::supportsService( const OUString& _rServiceName )
{
return cppu::supportsService(this, _rServiceName);
}
Sequence< OUString > SAL_CALL MacabDriver::getSupportedServiceNames( )
{
// which service is supported
// for more information @see com.sun.star.sdbc.Driver
return { "com.sun.star.sdbc.Driver" };
}
Reference< XConnection > SAL_CALL MacabDriver::connect( const OUString& url, const Sequence< PropertyValue >& info )
{
::osl::MutexGuard aGuard(m_aMutex);
m_aImplModule.init();
// create a new connection with the given properties and append it to our vector
MacabConnection* pConnection = m_aImplModule.createConnection( this );
SAL_WARN_IF( !pConnection, "connectivity.macab", "MacabDriver::connect: no connection has been created by the factory!" );
// by definition, the factory function returned an object which was acquired once
Reference< XConnection > xConnection = pConnection;
pConnection->release();
// late constructor call which can throw exception and allows a correct dtor call when so
pConnection->construct( url, info );
// remember it
m_xConnections.push_back( WeakReferenceHelper( *pConnection ) );
return xConnection;
}
sal_Bool SAL_CALL MacabDriver::acceptsURL( const OUString& url )
{
::osl::MutexGuard aGuard(m_aMutex);
if ( !m_aImplModule.isMacOSPresent() )
return false;
// here we have to look whether we support this URL format
return url == "sdbc:address:macab";
}
Sequence< DriverPropertyInfo > SAL_CALL MacabDriver::getPropertyInfo( const OUString&, const Sequence< PropertyValue >& )
{
// if you have something special to say, return it here :-)
return Sequence< DriverPropertyInfo >();
}
sal_Int32 SAL_CALL MacabDriver::getMajorVersion( )
{
return MACAB_DRIVER_VERSION_MAJOR;
}
sal_Int32 SAL_CALL MacabDriver::getMinorVersion( )
{
return MACAB_DRIVER_VERSION_MINOR;
}
void SAL_CALL MacabDriver::queryTermination( const EventObject& )
{
// nothing to do, nothing to veto
}
void SAL_CALL MacabDriver::notifyTermination( const EventObject& )
{
m_aImplModule.shutdown();
}
void SAL_CALL MacabDriver::disposing( const EventObject& )
{
// not interested in (this is the disposing of the desktop, if any)
}
OUString MacabDriver::impl_getConfigurationSettingsPath()
{
return "/org.openoffice.Office.DataAccess/DriverSettings/com.sun.star.comp.sdbc.macab.Driver";
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
connectivity_MacabDriver_get_implementation(
css::uno::XComponentContext* context, css::uno::Sequence<css::uno::Any> const&)
{
return cppu::acquire(new MacabDriver(context));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */