mysqlc/source/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 <osl/diagnose.h>
  24 #include <rtl/ustrbuf.hxx>
  25
  26 using namespace connectivity::mysqlc;
  27 using ::rtl::OUString;
  28 using ::com::sun::star::uno::Reference;
  29 using ::com::sun::star::uno::Sequence;
  30 using ::com::sun::star::registry::XRegistryKey;
  31 using ::com::sun::star::lang::XSingleServiceFactory;
  32 using ::com::sun::star::lang::XMultiServiceFactory;
  33
  34 typedef Reference< XSingleServiceFactory > (SAL_CALL *createFactoryFunc)
  35         (
  36             const Reference< XMultiServiceFactory > & rServiceManager,
  37             const OUString & rComponentName,
  38             ::cppu::ComponentInstantiation pCreateFunction,
  39             const Sequence< OUString > & rServiceNames,
  40             rtl_ModuleCount* _pTemp
  41         );
  42
  43 //***************************************************************************************
  44 //
  45 // Die vorgeschriebene C-API muss erfuellt werden!
  46 // Sie besteht aus drei Funktionen, die von dem Modul exportiert werden muessen.
  47 //
  48
  49 //---------------------------------------------------------------------------------------
  50 void REGISTER_PROVIDER(
  51         const OUString& aServiceImplName,
  52         const Sequence< OUString>& Services,
  53         const Reference< XRegistryKey > & xKey)
  54 {
  55     ::rtl::OUStringBuffer aMainKeyName;
  56     aMainKeyName.append( sal_Unicode( '/' ) );
  57     aMainKeyName.append( aServiceImplName );
  58     aMainKeyName.appendAscii( "/UNO/SERVICES" );
  59
  60     Reference< XRegistryKey > xNewKey( xKey->createKey( aMainKeyName.makeStringAndClear() ) );
  61     OSL_ENSURE(xNewKey.is(), "SKELETON::component_writeInfo : could not create a registry key !");
  62
  63     for (sal_Int32 i = 0; i < Services.getLength(); ++i) {
  64         xNewKey->createKey(Services[i]);
  65     }
  66 }
  67
  68
  69 //---------------------------------------------------------------------------------------
  70 struct ProviderRequest
  71 {
  72     Reference< XSingleServiceFactory > xRet;
  73     Reference< XMultiServiceFactory > const xServiceManager;
  74     OUString const sImplementationName;
  75
  76     ProviderRequest(
  77         void* pServiceManager,
  78         sal_Char const* pImplementationName
  79     ) : xServiceManager(reinterpret_cast<XMultiServiceFactory*>(pServiceManager))
  80       , sImplementationName(OUString::createFromAscii(pImplementationName))
  81     {
  82     }
  83
  84     /* {{{ CREATE_PROVIDER -I- */
  85     inline sal_Bool CREATE_PROVIDER(
  86                 const OUString& Implname,
  87                 const Sequence< OUString > & Services,
  88                 ::cppu::ComponentInstantiation Factory,
  89                 createFactoryFunc creator
  90             )
  91     {
  92         if (!xRet.is() && (Implname == sImplementationName)) {
  93             try {
  94                 xRet = creator( xServiceManager, sImplementationName,Factory, Services,0);
  95             } catch (...) {
  96             }
  97         }
  98         return xRet.is();
  99     }
 100
 101     void* getProvider() const { return xRet.get(); }
 102 };
 103 /* }}} */
 104
 105
 106 /* {{{ component_writeInfo -I- */
 107 extern "C" SAL_DLLPUBLIC_EXPORT sal_Bool SAL_CALL component_writeInfo(void * /* pServiceManager */, void * pRegistryKey)
 108 {
 109     if (pRegistryKey) {
 110         try {
 111             Reference< XRegistryKey > xKey(reinterpret_cast< XRegistryKey*>(pRegistryKey));
 112
 113             REGISTER_PROVIDER(
 114                 MysqlCDriver::getImplementationName_Static(),
 115                 MysqlCDriver::getSupportedServiceNames_Static(), xKey);
 116
 117             return sal_True;
 118         } catch (::com::sun::star::registry::InvalidRegistryException& ) {
 119             OSL_FAIL("SKELETON::component_writeInfo : could not create a registry key ! ## InvalidRegistryException !");
 120         }
 121     }
 122     return sal_False;
 123 }
 124 /* }}} */
 125
 126
 127 /* {{{ component_getFactory -I- */
 128 extern "C" SAL_DLLPUBLIC_EXPORT void* SAL_CALL component_getFactory(
 129                     const sal_Char * pImplementationName,
 130                     void * pServiceManager,
 131                     void * /* pRegistryKey */)
 132 {
 133     void* pRet = 0;
 134     if (pServiceManager) {
 135         ProviderRequest aReq(pServiceManager,pImplementationName);
 136
 137         aReq.CREATE_PROVIDER(
 138             MysqlCDriver::getImplementationName_Static(),
 139             MysqlCDriver::getSupportedServiceNames_Static(),
 140             MysqlCDriver_CreateInstance, ::cppu::createSingleFactory)
 141         ;
 142
 143         if(aReq.xRet.is()) {
 144             aReq.xRet->acquire();
 145         }
 146
 147         pRet = aReq.getProvider();
 148     }
 149
 150     return pRet;
 151 };
 152 /* }}} */
 153
 154
 155 /*
 156  * Local variables:
 157  * tab-width: 4
 158  * c-basic-offset: 4
 159  * End:
 160  * vim600: noet sw=4 ts=4 fdm=marker
 161  * vim<600: noet sw=4 ts=4
 162  */
 163
 164 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */