connectivity/source/drivers/ado/Aservices.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <ado/ADriver.hxx>
  21 #include <cppuhelper/factory.hxx>
  22 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  23
  24 using namespace connectivity::ado;
  25 using ::com::sun::star::uno::Reference;
  26 using ::com::sun::star::uno::Sequence;
  27 using ::com::sun::star::lang::XSingleServiceFactory;
  28 using ::com::sun::star::lang::XMultiServiceFactory;
  29
  30 typedef Reference< XSingleServiceFactory > (*createFactoryFunc)
  31         (
  32             const Reference< XMultiServiceFactory > & rServiceManager,
  33             const OUString & rComponentName,
  34             ::cppu::ComponentInstantiation pCreateFunction,
  35             const Sequence< OUString > & rServiceNames ,
  36             rtl_ModuleCount*
  37         );
  38
  39
  40 struct ProviderRequest
  41 {
  42     Reference< XSingleServiceFactory > xRet;
  43     Reference< XMultiServiceFactory > const xServiceManager;
  44     OUString const sImplementationName;
  45
  46     ProviderRequest(
  47         void* pServiceManager,
  48         sal_Char const* pImplementationName
  49     )
  50     : xServiceManager(static_cast<XMultiServiceFactory*>(pServiceManager))
  51     , sImplementationName(OUString::createFromAscii(pImplementationName))
  52     {
  53     }
  54
  55     bool CREATE_PROVIDER(
  56                 const OUString& Implname,
  57                 const Sequence< OUString > & Services,
  58                 ::cppu::ComponentInstantiation Factory,
  59                 createFactoryFunc creator
  60             )
  61     {
  62         if (!xRet.is() && (Implname == sImplementationName))
  63             try
  64             {
  65                 xRet = creator( xServiceManager, sImplementationName,Factory, Services,nullptr);
  66             }
  67             catch(...)
  68             {
  69             }
  70         return xRet.is();
  71     }
  72
  73     void* getProvider() const { return xRet.get(); }
  74 };
  75
  76
  77 extern "C" SAL_DLLPUBLIC_EXPORT void* ado_component_getFactory(
  78                     const sal_Char* pImplementationName,
  79                     void* pServiceManager,
  80                     void* /*pRegistryKey*/)
  81 {
  82     void* pRet = nullptr;
  83     if (pServiceManager)
  84     {
  85         ProviderRequest aReq(pServiceManager,pImplementationName);
  86
  87         aReq.CREATE_PROVIDER(
  88             ODriver::getImplementationName_Static(),
  89             ODriver::getSupportedServiceNames_Static(),
  90             ODriver_CreateInstance, ::cppu::createSingleFactory)
  91         ;
  92
  93         if(aReq.xRet.is())
  94             aReq.xRet->acquire();
  95
  96         pRet = aReq.getProvider();
  97     }
  98
  99     return pRet;
 100 };
 101
 102
 103 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */