connectivity/source/drivers/odbc/oservices.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 "ORealDriver.hxx"
  21 #include <odbc/ODriver.hxx>
  22 #include <cppuhelper/factory.hxx>
  23 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  24
  25 using namespace connectivity::odbc;
  26 using ::com::sun::star::uno::Reference;
  27 using ::com::sun::star::uno::Sequence;
  28 using ::com::sun::star::lang::XSingleServiceFactory;
  29 using ::com::sun::star::lang::XMultiServiceFactory;
  30
  31 typedef Reference< XSingleServiceFactory > (*createFactoryFunc)
  32         (
  33             const Reference< XMultiServiceFactory > & rServiceManager,
  34             const OUString & rComponentName,
  35             ::cppu::ComponentInstantiation pCreateFunction,
  36             const Sequence< OUString > & rServiceNames,
  37             rtl_ModuleCount*
  38         );
  39
  40
  41 struct ProviderRequest
  42 {
  43     Reference< XSingleServiceFactory > xRet;
  44     Reference< XMultiServiceFactory > const xServiceManager;
  45     OUString const sImplementationName;
  46
  47     ProviderRequest(
  48         void* pServiceManager,
  49         sal_Char const* pImplementationName
  50     )
  51     : xServiceManager(static_cast<XMultiServiceFactory*>(pServiceManager))
  52     , sImplementationName(OUString::createFromAscii(pImplementationName))
  53     {
  54     }
  55
  56     bool CREATE_PROVIDER(
  57                 const OUString& Implname,
  58                 const Sequence< OUString > & Services,
  59                 ::cppu::ComponentInstantiation Factory,
  60                 createFactoryFunc creator
  61             )
  62     {
  63         if (!xRet.is() && (Implname == sImplementationName))
  64         {
  65             try
  66             {
  67                 xRet = creator( xServiceManager, sImplementationName,Factory, Services,nullptr);
  68             }
  69             catch(...)
  70             {
  71             }
  72         }
  73         return xRet.is();
  74     }
  75
  76     void* getProvider() const { return xRet.get(); }
  77 };
  78
  79
  80 extern "C" SAL_DLLPUBLIC_EXPORT void* odbc_component_getFactory(
  81                     const sal_Char* pImplementationName,
  82                     void* pServiceManager,
  83                     void* /*pRegistryKey*/)
  84 {
  85     void* pRet = nullptr;
  86     if (pServiceManager)
  87     {
  88         ProviderRequest aReq(pServiceManager,pImplementationName);
  89
  90         aReq.CREATE_PROVIDER(
  91             ODBCDriver::getImplementationName_Static(),
  92             ODBCDriver::getSupportedServiceNames_Static(),
  93             ODBCDriver_CreateInstance, ::cppu::createSingleFactory)
  94         ;
  95
  96         if(aReq.xRet.is())
  97             aReq.xRet->acquire();
  98
  99         pRet = aReq.getProvider();
 100     }
 101
 102     return pRet;
 103 };
 104
 105
 106 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */