/* -*- 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 . */ #ifndef _CONNECTIVITY_KAB_DRIVER_HXX_ #define _CONNECTIVITY_KAB_DRIVER_HXX_ #include <com/sun/star/sdbc/XDriver.hpp> #include <com/sun/star/lang/XServiceInfo.hpp> #include <com/sun/star/frame/XTerminateListener.hpp> #include <comphelper/processfactory.hxx> #include <cppuhelper/compbase3.hxx> #include <osl/module.h> namespace connectivity { namespace kab { class KabConnection; class KabDriver; typedef void* (SAL_CALL * ConnectionFactoryFunction)( void* _pDriver ); typedef void (SAL_CALL * ApplicationInitFunction)( void ); typedef void (SAL_CALL * ApplicationShutdownFunction)( void ); typedef int (SAL_CALL * KDEVersionCheckFunction)( void ); typedef std::vector< ::com::sun::star::uno::WeakReferenceHelper > OWeakRefArray; // =============================================================== // = KabImplModule // =============================================================== class KabImplModule { private: ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext; /// Did we already attempt to load the module and to retrieve the symbols? bool m_bAttemptedLoadModule; /// Did we already check the KDE version and initialize the impl module (or at least attempted to)? bool m_bAttemptedInitialize; oslModule m_hConnectorModule; ConnectionFactoryFunction m_pConnectionFactoryFunc; ApplicationInitFunction m_pApplicationInitFunc; ApplicationShutdownFunction m_pApplicationShutdownFunc; KDEVersionCheckFunction m_pKDEVersionCheckFunc; public: KabImplModule( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext ); /** determines whether there is a KDE present in the environment */ bool isKDEPresent(); enum KDEVersionType { eTooOld, eSupported, eToNew }; /** checks whether the KDE version we're running against is supported @precond the module is loaded, i.e impl_loadModule has successfully been called */ KDEVersionType matchKDEVersion(); /** initializes the implementation module. @raises ::com::sun::star::uno::RuntimeException if the module could be loaded, but required symbols are missing @raises ::com::sun::star::sdbc::SQLException if the KDE version we're running against is not supported, or no KDE was found at all */ void init(); /** shuts down the impl module (and the KDE application, if we own it) */ void shutdown(); /** creates a new connection @precond <member>init</member> has been called before @raises ::com::sun::star::uno::RuntimeException if no connection object could be created (which is a severe error, normally impossible) */ KabConnection* createConnection( KabDriver* _pDriver ) const; private: /** loads the implementation module and retrieves the needed symbols Save against being called multiple times. @return <TRUE/> if the module could be loaded successfully. @raises ::com::sun::star::uno::RuntimeException if the module could be loaded, but required symbols are missing */ bool impl_loadModule(); /** unloads the implementation module, and resets all function pointers to <NULL/> @precond m_hConnectorModule is not <NULL/> */ void impl_unloadModule(); /** throws an SQLException saying than no KDE installation was found */ void impl_throwNoKdeException(); /** throws an SQLException saying that the found KDE version is too old */ void impl_throwKdeTooOldException(); /** throws an SQLException saying that the found KDE version is too new */ void impl_throwKdeTooNewException(); /** throws a generic SQL exception with SQLState S1000 and error code 0 */ void impl_throwGenericSQLException( const ::rtl::OUString& _rMessage ); /** determines whether it's allowed to run on a too-new (not confirmed to work) version */ bool impl_doAllowNewKDEVersion(); }; // =============================================================== // = KabDriver // =============================================================== typedef ::cppu::WeakComponentImplHelper3< ::com::sun::star::sdbc::XDriver, ::com::sun::star::lang::XServiceInfo, ::com::sun::star::frame::XTerminateListener > KDriver_BASE; class KabDriver : public KDriver_BASE { protected: ::osl::Mutex m_aMutex; // mutex is need to control member access OWeakRefArray m_xConnections; // vector containing a list of all the // KabConnection objects for this Driver ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > m_xContext; // the multi-service factory KabImplModule m_aImplModule; public: static ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL Create(const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxFactory) throw( ::com::sun::star::uno::Exception ); // XServiceInfo - static versions static ::rtl::OUString getImplementationName_Static( ) throw(::com::sun::star::uno::RuntimeException); static ::com::sun::star::uno::Sequence< ::rtl::OUString > getSupportedServiceNames_Static( ) throw (::com::sun::star::uno::RuntimeException); ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext > getComponentContext() const { return m_xContext; } /** returns the driver's implementation name (being pure ASCII) for reference in various places */ static const sal_Char* impl_getAsciiImplementationName(); /** returns the path of our configuration settings */ static ::rtl::OUString impl_getConfigurationSettingsPath(); protected: KabDriver(const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XComponentContext >& _rxContext); // OComponentHelper virtual void SAL_CALL disposing(void); // XServiceInfo virtual ::rtl::OUString SAL_CALL getImplementationName( ) throw(::com::sun::star::uno::RuntimeException); virtual sal_Bool SAL_CALL supportsService( const ::rtl::OUString& ServiceName ) throw(::com::sun::star::uno::RuntimeException); virtual ::com::sun::star::uno::Sequence< ::rtl::OUString > SAL_CALL getSupportedServiceNames( ) throw(::com::sun::star::uno::RuntimeException); // XDriver virtual ::com::sun::star::uno::Reference< ::com::sun::star::sdbc::XConnection > SAL_CALL connect( const ::rtl::OUString& url, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& info ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); virtual sal_Bool SAL_CALL acceptsURL( const ::rtl::OUString& url ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); virtual ::com::sun::star::uno::Sequence< ::com::sun::star::sdbc::DriverPropertyInfo > SAL_CALL getPropertyInfo( const ::rtl::OUString& url, const ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue >& info ) throw(::com::sun::star::sdbc::SQLException, ::com::sun::star::uno::RuntimeException); virtual sal_Int32 SAL_CALL getMajorVersion() throw(::com::sun::star::uno::RuntimeException); virtual sal_Int32 SAL_CALL getMinorVersion() throw(::com::sun::star::uno::RuntimeException); // XTerminateListener virtual void SAL_CALL queryTermination( const ::com::sun::star::lang::EventObject& Event ) throw (::com::sun::star::frame::TerminationVetoException, ::com::sun::star::uno::RuntimeException); virtual void SAL_CALL notifyTermination( const ::com::sun::star::lang::EventObject& Event ) throw (::com::sun::star::uno::RuntimeException); // XEventListener virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source ) throw (::com::sun::star::uno::RuntimeException); private: /** shuts down the library which contains the real implementations This method is safe against being called multiple times @precond our mutex is locked */ void impl_shutdownImplementationModule(); }; } } #endif // _CONNECTIVITY_KAB_DRIVER_HXX_ /* vim:set shiftwidth=4 softtabstop=4 expandtab: */