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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /connectivity/source/drivers/macab/MacabDriver.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.tar.xz libreoffice-1ad18e38974bb28c3d98d0be8f7d8c18fc56de29.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'connectivity/source/drivers/macab/MacabDriver.cxx')
-rw-r--r-- | connectivity/source/drivers/macab/MacabDriver.cxx | 322 |
1 files changed, 322 insertions, 0 deletions
diff --git a/connectivity/source/drivers/macab/MacabDriver.cxx b/connectivity/source/drivers/macab/MacabDriver.cxx new file mode 100644 index 000000000..7a130f364 --- /dev/null +++ b/connectivity/source/drivers/macab/MacabDriver.cxx @@ -0,0 +1,322 @@ +/* -*- 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 <tools/diagnose_ex.h> +#include <strings.hrc> +#include <comphelper/processfactory.hxx> +#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)!"); + + const OUString sModuleName( SAL_MODULENAME( "macabdrv1" ) ); + 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(); +} +// static ServiceInfo + +OUString MacabDriver::getImplementationName_Static( ) +{ + return "com.sun.star.comp.sdbc.macab.Driver"; +} + +Sequence< OUString > MacabDriver::getSupportedServiceNames_Static( ) +{ + // which service is supported + // for more information @see com.sun.star.sdbc.Driver + Sequence<OUString> aSNS { "com.sun.star.sdbc.Driver" }; + + return aSNS; +} + +OUString SAL_CALL MacabDriver::getImplementationName( ) +{ + return getImplementationName_Static(); +} + +sal_Bool SAL_CALL MacabDriver::supportsService( const OUString& _rServiceName ) +{ + return cppu::supportsService(this, _rServiceName); +} + +Sequence< OUString > SAL_CALL MacabDriver::getSupportedServiceNames( ) +{ + return getSupportedServiceNames_Static(); +} + +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"; +} + +Reference< XInterface > MacabDriver::Create( const Reference< XMultiServiceFactory >& _rxFactory ) +{ + return *(new MacabDriver(comphelper::getComponentContext(_rxFactory))); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |