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
  23 using namespace connectivity::ado;
  24 using ::com::sun::star::uno::Reference;
  25 using ::com::sun::star::uno::Sequence;
  26 using ::com::sun::star::lang::XSingleServiceFactory;
  27 using ::com::sun::star::lang::XMultiServiceFactory;
  28
  29 typedef Reference< XSingleServiceFactory > (SAL_CALL *createFactoryFunc)
  30         (
  31             const Reference< XMultiServiceFactory > & rServiceManager,
  32             const OUString & rComponentName,
  33             ::cppu::ComponentInstantiation pCreateFunction,
  34             const Sequence< OUString > & rServiceNames ,
  35             rtl_ModuleCount*
  36         );
  37
  38 //---------------------------------------------------------------------------------------
  39 struct ProviderRequest
  40 {
  41     Reference< XSingleServiceFactory > xRet;
  42     Reference< XMultiServiceFactory > const xServiceManager;
  43     OUString const sImplementationName;
  44
  45     ProviderRequest(
  46         void* pServiceManager,
  47         sal_Char const* pImplementationName
  48     )
  49     : xServiceManager(reinterpret_cast<XMultiServiceFactory*>(pServiceManager))
  50     , sImplementationName(OUString::createFromAscii(pImplementationName))
  51     {
  52     }
  53
  54     inline
  55     sal_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,0);
  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 SAL_CALL ado_component_getImplementationEnvironment(
  78                 const sal_Char **ppEnvTypeName,
  79                 uno_Environment        ** /*ppEnv*/)
  80 {
  81     *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME ":affine";
  82 }
  83
  84 //---------------------------------------------------------------------------------------
  85 extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL ado_component_getFactory(
  86                     const sal_Char* pImplementationName,
  87                     void* pServiceManager,
  88                     void* /*pRegistryKey*/)
  89 {
  90     void* pRet = 0;
  91     if (pServiceManager)
  92     {
  93         ProviderRequest aReq(pServiceManager,pImplementationName);
  94
  95         aReq.CREATE_PROVIDER(
  96             ODriver::getImplementationName_Static(),
  97             ODriver::getSupportedServiceNames_Static(),
  98             ODriver_CreateInstance, ::cppu::createSingleFactory)
  99         ;
 100
 101         if(aReq.xRet.is())
 102             aReq.xRet->acquire();
 103
 104         pRet = aReq.getProvider();
 105     }
 106
 107     return pRet;
 108 };
 109
 110
 111 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */