office-gobmx/connectivity/source/drivers/dbase/Dservices.cxx

/*************************************************************************
 *
 * 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: Dservices.cxx,v $
 * $Revision: 1.8 $
 *
 * 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_connectivity.hxx"
#include "dbase/DDriver.hxx"
#include <cppuhelper/factory.hxx>
#include <osl/diagnose.h>

using namespace connectivity::dbase;
using ::rtl::OUString;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::registry::XRegistryKey;
using ::com::sun::star::lang::XSingleServiceFactory;
using ::com::sun::star::lang::XMultiServiceFactory;

typedef Reference< XSingleServiceFactory > (SAL_CALL *createFactoryFunc)
        (
            const Reference< XMultiServiceFactory > & rServiceManager,
            const OUString & rComponentName,
            ::cppu::ComponentInstantiation pCreateFunction,
            const Sequence< OUString > & rServiceNames,
            rtl_ModuleCount* _pT
        );

//***************************************************************************************
//
// Die vorgeschriebene C-Api muss erfuellt werden!
// Sie besteht aus drei Funktionen, die von dem Modul exportiert werden muessen.
//

//---------------------------------------------------------------------------------------
void REGISTER_PROVIDER(
        const OUString& aServiceImplName,
        const Sequence< OUString>& Services,
        const Reference< ::com::sun::star::registry::XRegistryKey > & xKey)
{
    OUString aMainKeyName;
    aMainKeyName = OUString::createFromAscii("/");
    aMainKeyName += aServiceImplName;
    aMainKeyName += OUString::createFromAscii("/UNO/SERVICES");

    Reference< ::com::sun::star::registry::XRegistryKey >  xNewKey( xKey->createKey(aMainKeyName) );
    OSL_ENSURE(xNewKey.is(), "FILE::component_writeInfo : could not create a registry key !");

    for (sal_Int32 i=0; i<Services.getLength(); ++i)
        xNewKey->createKey(Services[i]);
}


//---------------------------------------------------------------------------------------
struct ProviderRequest
{
    Reference< XSingleServiceFactory > xRet;
    Reference< XMultiServiceFactory > const xServiceManager;
    OUString const sImplementationName;

    ProviderRequest(
        void* pServiceManager,
        sal_Char const* pImplementationName
    )
    : xServiceManager(reinterpret_cast<XMultiServiceFactory*>(pServiceManager))
    , sImplementationName(OUString::createFromAscii(pImplementationName))
    {
    }

    inline
    sal_Bool CREATE_PROVIDER(
                const OUString& Implname,
                const Sequence< OUString > & Services,
                ::cppu::ComponentInstantiation Factory,
                createFactoryFunc creator
            )
    {
        if (!xRet.is() && (Implname == sImplementationName))
        try
        {
            xRet = creator( xServiceManager, sImplementationName,Factory, Services,0);
        }
        catch(...)
        {
        }
        return xRet.is();
    }

    void* getProvider() const { return xRet.get(); }
};

//---------------------------------------------------------------------------------------

extern "C" SAL_DLLPUBLIC_EXPORT void SAL_CALL
component_getImplementationEnvironment(
                const sal_Char  **ppEnvTypeName,
                uno_Environment ** /*ppEnv*/
            )
{
    *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
}

//---------------------------------------------------------------------------------------
extern "C" SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL component_writeInfo(
                void* /*pServiceManager*/,
                void* pRegistryKey
            )
{
    if (pRegistryKey)
    try
    {
        Reference< ::com::sun::star::registry::XRegistryKey > xKey(reinterpret_cast< ::com::sun::star::registry::XRegistryKey*>(pRegistryKey));

        REGISTER_PROVIDER(
            ODriver::getImplementationName_Static(),
            ODriver::getSupportedServiceNames_Static(), xKey);

        return sal_True;
    }
    catch (::com::sun::star::registry::InvalidRegistryException& )
    {
        OSL_ENSURE(sal_False, "FILE::component_writeInfo : could not create a registry key ! ## InvalidRegistryException !");
    }

    return sal_False;
}

//---------------------------------------------------------------------------------------
extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL component_getFactory(
                    const sal_Char* pImplementationName,
                    void* pServiceManager,
                    void* /*pRegistryKey*/)
{
    void* pRet = 0;
    if (pServiceManager)
    {
        ProviderRequest aReq(pServiceManager,pImplementationName);

        aReq.CREATE_PROVIDER(
            ODriver::getImplementationName_Static(),
            ODriver::getSupportedServiceNames_Static(),
            ODriver_CreateInstance, ::cppu::createSingleFactory)
        ;

        if(aReq.xRet.is())
            aReq.xRet->acquire();

        pRet = aReq.getProvider();
    }

    return pRet;
};