connectivity/source/drivers/flat/Eservices.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 "flat/EDriver.hxx"
  21 #include <cppuhelper/factory.hxx>
  22
  23 using namespace connectivity::flat;
  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     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         {
  64             try
  65             {
  66                 xRet = creator( xServiceManager, sImplementationName,Factory, Services,0);
  67             }
  68             catch(...)
  69             {
  70             }
  71         }
  72         return xRet.is();
  73     }
  74
  75     void* getProvider() const { return xRet.get(); }
  76 };
  77
  78
  79 extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL flat_component_getFactory(
  80                     const sal_Char* pImplementationName,
  81                     void* pServiceManager,
  82                     void* /*pRegistryKey*/)
  83 {
  84     void* pRet = 0;
  85     if (pServiceManager)
  86     {
  87         ProviderRequest aReq(pServiceManager,pImplementationName);
  88
  89         aReq.CREATE_PROVIDER(
  90             ODriver::getImplementationName_Static(),
  91             ODriver::getSupportedServiceNames_Static(),
  92             ODriver_CreateInstance, ::cppu::createSingleFactory)
  93         ;
  94
  95         if(aReq.xRet.is())
  96             aReq.xRet->acquire();
  97
  98         pRet = aReq.getProvider();
  99     }
 100
 101     return pRet;
 102 };
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */