connectivity/source/drivers/mysqlc/mysqlc_services.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 "mysqlc_driver.hxx"
  21
  22 #include <cppuhelper/factory.hxx>
  23 #include <rtl/ustrbuf.hxx>
  24 #include <uno/lbnames.h>
  25 #include <com/sun/star/lang/XSingleServiceFactory.hpp>
  26
  27 using namespace connectivity::mysqlc;
  28 using ::com::sun::star::lang::XMultiServiceFactory;
  29 using ::com::sun::star::lang::XSingleServiceFactory;
  30 using ::com::sun::star::uno::Reference;
  31 using ::com::sun::star::uno::Sequence;
  32
  33 typedef Reference<XSingleServiceFactory> (*createFactoryFunc)(
  34     const Reference<XMultiServiceFactory>& rServiceManager, const OUString& rComponentName,
  35     ::cppu::ComponentInstantiation pCreateFunction, const Sequence<OUString>& rServiceNames,
  36     rtl_ModuleCount*);
  37
  38 struct ProviderRequest
  39 {
  40     Reference<XSingleServiceFactory> xRet;
  41     Reference<XMultiServiceFactory> const xServiceManager;
  42     OUString const sImplementationName;
  43
  44     ProviderRequest(void* pServiceManager, sal_Char const* pImplementationName)
  45         : xServiceManager(static_cast<XMultiServiceFactory*>(pServiceManager))
  46         , sImplementationName(OUString::createFromAscii(pImplementationName))
  47     {
  48     }
  49
  50     bool CREATE_PROVIDER(const OUString& Implname, const Sequence<OUString>& Services,
  51                          ::cppu::ComponentInstantiation Factory, createFactoryFunc creator)
  52     {
  53         if (!xRet.is() && (Implname == sImplementationName))
  54         {
  55             try
  56             {
  57                 xRet = creator(xServiceManager, sImplementationName, Factory, Services, nullptr);
  58             }
  59             catch (...)
  60             {
  61             }
  62         }
  63         return xRet.is();
  64     }
  65
  66     void* getProvider() const { return xRet.get(); }
  67 };
  68
  69 extern "C" SAL_DLLPUBLIC_EXPORT void* component_getFactory(const sal_Char* pImplementationName,
  70                                                            void* pServiceManager,
  71                                                            void* /* pRegistryKey */)
  72 {
  73     void* pRet = nullptr;
  74     if (pServiceManager)
  75     {
  76         ProviderRequest aReq(pServiceManager, pImplementationName);
  77
  78         aReq.CREATE_PROVIDER(MysqlCDriver::getImplementationName_Static(),
  79                              MysqlCDriver::getSupportedServiceNames_Static(),
  80                              MysqlCDriver_CreateInstance, ::cppu::createSingleFactory);
  81
  82         if (aReq.xRet.is())
  83         {
  84             aReq.xRet->acquire();
  85         }
  86
  87         pRet = aReq.getProvider();
  88     }
  89
  90     return pRet;
  91 };
  92
  93 extern "C" SAL_DLLPUBLIC_EXPORT void
  94 component_getImplementationEnvironment(char const** ppEnvTypeName, uno_Environment**)
  95 {
  96     *ppEnvTypeName = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
  97 }
  98
  99 /*
 100  * Local variables:
 101  * tab-width: 4
 102  * c-basic-offset: 4
 103  * End:
 104  * vim600: noet sw=4 ts=4 fdm=marker
 105  * vim<600: noet sw=4 ts=4
 106  */
 107
 108 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */