1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_unotools.hxx" 26 27 #include <unotools/componentfactory.hxx> 28 #include <comphelper/processfactory.hxx> 29 #include <com/sun/star/lang/XSingleServiceFactory.hpp> 30 #include <com/sun/star/lang/XMultiServiceFactory.hpp> 31 32 #ifndef _COM_SUN_STAR_REGISTRY_XREGISTRYKEY_HDL_ 33 #include <com/sun/star/registry/XRegistryKey.hpp> 34 #endif 35 36 #include <cppuhelper/factory.hxx> 37 38 #include <uno/environment.h> 39 #include <uno/mapping.hxx> 40 41 #include <rtl/ustring.hxx> 42 #include <osl/module.h> 43 44 45 46 47 using namespace ::com::sun::star; 48 using namespace ::com::sun::star::uno; 49 using namespace ::com::sun::star::lang; 50 using namespace ::com::sun::star::registry; 51 using namespace ::rtl; 52 53 54 namespace utl 55 { 56 57 Reference< XInterface > getComponentInstance( 58 const OUString & rLibraryName, 59 const OUString & rImplementationName 60 ) 61 { 62 Reference< XInterface > xI; 63 Reference< XMultiServiceFactory > xMSF = ::comphelper::getProcessServiceFactory(); 64 if ( xMSF.is() ) 65 xI = xMSF->createInstance( rImplementationName ); 66 if( !xI.is() ) 67 { 68 Reference< XSingleServiceFactory > xSSF = 69 loadLibComponentFactory( rLibraryName, rImplementationName, 70 Reference< XMultiServiceFactory >(), Reference< XRegistryKey >() ); 71 xI = xSSF->createInstance(); 72 } 73 return xI; 74 } 75 76 77 Reference< XSingleServiceFactory > loadLibComponentFactory( 78 const OUString & rLibName, 79 const OUString & rImplName, 80 const Reference< XMultiServiceFactory > & xSF, 81 const Reference< XRegistryKey > & xKey 82 ) 83 { 84 Reference< XSingleServiceFactory > xRet; 85 86 oslModule lib = osl_loadModule( rLibName.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL ); 87 if (lib) 88 { 89 void * pSym; 90 91 // ========================= LATEST VERSION ========================= 92 OUString aGetEnvName( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETENV) ); 93 if (pSym = osl_getSymbol( lib, aGetEnvName.pData )) 94 { 95 uno_Environment * pCurrentEnv = 0; 96 uno_Environment * pEnv = 0; 97 const sal_Char * pEnvTypeName = 0; 98 (*((component_getImplementationEnvironmentFunc)pSym))( &pEnvTypeName, &pEnv ); 99 100 sal_Bool bNeedsMapping = 101 (pEnv || 0 != rtl_str_compare( pEnvTypeName, CPPU_CURRENT_LANGUAGE_BINDING_NAME )); 102 103 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) ); 104 105 if (bNeedsMapping) 106 { 107 if (! pEnv) 108 uno_getEnvironment( &pEnv, aEnvTypeName.pData, 0 ); 109 if (pEnv) 110 { 111 OUString aCppEnvTypeName( RTL_CONSTASCII_USTRINGPARAM(CPPU_CURRENT_LANGUAGE_BINDING_NAME) ); 112 uno_getEnvironment( &pCurrentEnv, aCppEnvTypeName.pData, 0 ); 113 if (pCurrentEnv) 114 bNeedsMapping = (pEnv != pCurrentEnv); 115 } 116 } 117 118 OUString aGetFactoryName( RTL_CONSTASCII_USTRINGPARAM(COMPONENT_GETFACTORY) ); 119 if (pSym = osl_getSymbol( lib, aGetFactoryName.pData )) 120 { 121 OString aImplName( OUStringToOString( rImplName, RTL_TEXTENCODING_ASCII_US ) ); 122 123 if (bNeedsMapping) 124 { 125 if (pEnv && pCurrentEnv) 126 { 127 Mapping aCurrent2Env( pCurrentEnv, pEnv ); 128 Mapping aEnv2Current( pEnv, pCurrentEnv ); 129 130 if (aCurrent2Env.is() && aEnv2Current.is()) 131 { 132 void * pSMgr = aCurrent2Env.mapInterface( 133 xSF.get(), ::getCppuType( (const Reference< XMultiServiceFactory > *)0 ) ); 134 void * pKey = aCurrent2Env.mapInterface( 135 xKey.get(), ::getCppuType( (const Reference< XRegistryKey > *)0 ) ); 136 137 void * pSSF = (*((component_getFactoryFunc)pSym))( 138 aImplName.getStr(), pSMgr, pKey ); 139 140 if (pKey) 141 (*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pKey ); 142 if (pSMgr) 143 (*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pSMgr ); 144 145 if (pSSF) 146 { 147 aEnv2Current.mapInterface( 148 reinterpret_cast< void ** >( &xRet ), 149 pSSF, ::getCppuType( (const Reference< XSingleServiceFactory > *)0 ) ); 150 (*pEnv->pExtEnv->releaseInterface)( pEnv->pExtEnv, pSSF ); 151 } 152 } 153 } 154 } 155 else 156 { 157 XSingleServiceFactory * pRet = (XSingleServiceFactory *) 158 (*((component_getFactoryFunc)pSym))( 159 aImplName.getStr(), xSF.get(), xKey.get() ); 160 if (pRet) 161 { 162 xRet = pRet; 163 pRet->release(); 164 } 165 } 166 } 167 168 if (pEnv) 169 (*pEnv->release)( pEnv ); 170 if (pCurrentEnv) 171 (*pCurrentEnv->release)( pCurrentEnv ); 172 } 173 174 175 if (! xRet.is()) 176 osl_unloadModule( lib ); 177 } 178 179 return xRet; 180 } 181 182 } // namespace utl 183