javaunohelper/source/javaunohelper.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 "sal/config.h"
  21
  22 #include <osl/diagnose.h>
  23 #include <osl/module.hxx>
  24 #include <osl/thread.h>
  25
  26 #include <uno/environment.hxx>
  27 #include <uno/lbnames.h>
  28 #include <uno/mapping.hxx>
  29
  30 #include <cppuhelper/factory.hxx>
  31
  32 #include <com/sun/star/beans/XPropertySet.hpp>
  33 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  34 #include <com/sun/star/lang/XServiceInfo.hpp>
  35 #include <com/sun/star/registry/XRegistryKey.hpp>
  36
  37 #include "jni.h"
  38 #include "jvmaccess/virtualmachine.hxx"
  39 #include "jvmaccess/unovirtualmachine.hxx"
  40
  41 #include "juhx-export-functions.hxx"
  42 #include "vm.hxx"
  43
  44 using namespace ::com::sun::star;
  45 using namespace ::com::sun::star::uno;
  46
  47 /*
  48  * Class:     com_sun_star_comp_helper_SharedLibraryLoader
  49  * Method:    component_writeInfo
  50  * Signature: (Ljava/lang/String;Lcom/sun/star/lang/XMultiServiceFactory;Lcom/sun/star/registry/XRegistryKey;)Z
  51  */
  52 jboolean Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo(
  53     JNIEnv * pJEnv, SAL_UNUSED_PARAMETER jclass, jstring jLibName, jobject jSMgr,
  54     jobject jRegKey, jobject loader )
  55 {
  56     bool bRet = false;
  57
  58     const jchar* pJLibName = pJEnv->GetStringChars(jLibName, nullptr);
  59     OUString aLibName(reinterpret_cast<sal_Unicode const *>(pJLibName));
  60     pJEnv->ReleaseStringChars(jLibName, pJLibName);
  61
  62 #ifdef DISABLE_DYNLOADING
  63     (void) jSMgr;
  64     (void) jRegKey;
  65     (void) loader;
  66
  67     fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(aLibName, osl_getThreadTextEncoding()).getStr());
  68 #else
  69     osl::Module lib(aLibName, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL);
  70     if (lib.is())
  71     {
  72         // ========================= LATEST VERSION =========================
  73         oslGenericFunction pSym = lib.getFunctionSymbol(COMPONENT_GETENV);
  74         if (pSym)
  75         {
  76             Environment java_env, loader_env;
  77
  78             const sal_Char * pEnvTypeName = nullptr;
  79             (*reinterpret_cast<component_getImplementationEnvironmentFunc>(pSym))(
  80                 &pEnvTypeName, reinterpret_cast<uno_Environment **>(&loader_env) );
  81             if (! loader_env.is())
  82             {
  83                 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
  84                 uno_getEnvironment( reinterpret_cast<uno_Environment **>(&loader_env), aEnvTypeName.pData, nullptr );
  85             }
  86
  87             // create vm access
  88             ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > vm_access(
  89                 ::javaunohelper::create_vm_access( pJEnv, loader ) );
  90             OUString java_env_name = UNO_LB_JAVA;
  91             uno_getEnvironment(
  92                 reinterpret_cast<uno_Environment **>(&java_env), java_env_name.pData, vm_access.get() );
  93
  94             pSym = lib.getFunctionSymbol(COMPONENT_WRITEINFO);
  95             if (pSym)
  96             {
  97                 if (loader_env.is() && java_env.is())
  98                 {
  99                     Mapping java2dest(java_env.get(), loader_env.get());
 100
 101                     if ( java2dest.is() )
 102                     {
 103                         void * pSMgr =
 104                             java2dest.mapInterface(
 105                                 jSMgr, cppu::UnoType<lang::XMultiServiceFactory>::get());
 106                         void * pKey =
 107                             java2dest.mapInterface(
 108                                 jRegKey, cppu::UnoType<registry::XRegistryKey>::get());
 109
 110                         uno_ExtEnvironment * env = loader_env.get()->pExtEnv;
 111                         if (pKey)
 112                         {
 113                             bRet = (*reinterpret_cast<component_writeInfoFunc>(pSym))( pSMgr, pKey );
 114
 115                             if (env)
 116                                 (*env->releaseInterface)( env, pKey );
 117                         }
 118
 119                         if (pSMgr && env)
 120                             (*env->releaseInterface)( env, pSMgr );
 121                     }
 122                 }
 123             }
 124         }
 125         lib.release();
 126     }
 127 #endif
 128     return bRet ? JNI_TRUE : JNI_FALSE;
 129 }
 130
 131 /*
 132  * Class:     com_sun_star_comp_helper_SharedLibraryLoader
 133  * Method:    component_getFactory
 134  * Signature: (Ljava/lang/String;Ljava/lang/String;Lcom/sun/star/lang/XMultiServiceFactory;Lcom/sun/star/registry/XRegistryKey;)Ljava/lang/Object;
 135  */
 136 jobject Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory(
 137     JNIEnv * pJEnv, SAL_UNUSED_PARAMETER jclass, jstring jLibName, jstring jImplName,
 138     jobject jSMgr, jobject jRegKey, jobject loader )
 139 {
 140     const jchar* pJLibName = pJEnv->GetStringChars(jLibName, nullptr);
 141     OUString aLibName(reinterpret_cast<sal_Unicode const *>(pJLibName));
 142     pJEnv->ReleaseStringChars(jLibName, pJLibName);
 143
 144 #ifdef DISABLE_DYNLOADING
 145     (void) jImplName;
 146     (void) jSMgr;
 147     (void) jRegKey;
 148     (void) loader;
 149
 150     fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(aLibName, osl_getThreadTextEncoding()).getStr());
 151 #endif
 152
 153     aLibName += SAL_DLLEXTENSION;
 154
 155     jobject joSLL_cpp = nullptr;
 156
 157 #ifndef DISABLE_DYNLOADING
 158     osl::Module lib(aLibName, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL);
 159     if (lib.is())
 160     {
 161         // ========================= LATEST VERSION =========================
 162         oslGenericFunction pSym = lib.getFunctionSymbol(COMPONENT_GETENV);
 163         if (pSym)
 164         {
 165             Environment java_env, loader_env;
 166
 167             const sal_Char * pEnvTypeName = nullptr;
 168             (*reinterpret_cast<component_getImplementationEnvironmentFunc>(pSym))(
 169                 &pEnvTypeName, reinterpret_cast<uno_Environment **>(&loader_env) );
 170
 171             if (! loader_env.is())
 172             {
 173                 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
 174                 uno_getEnvironment( reinterpret_cast<uno_Environment **>(&loader_env), aEnvTypeName.pData, nullptr );
 175             }
 176
 177             // create vm access
 178             ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > vm_access(
 179                 ::javaunohelper::create_vm_access( pJEnv, loader ) );
 180             OUString java_env_name = UNO_LB_JAVA;
 181             uno_getEnvironment(
 182                 reinterpret_cast<uno_Environment **>(&java_env), java_env_name.pData, vm_access.get() );
 183
 184             pSym = lib.getFunctionSymbol(COMPONENT_GETFACTORY);
 185             if (pSym)
 186             {
 187                 if (loader_env.is() && java_env.is())
 188                 {
 189                     Mapping java2dest( java_env.get(), loader_env.get() );
 190                     Mapping dest2java( loader_env.get(), java_env.get() );
 191
 192                     if (dest2java.is() && java2dest.is())
 193                     {
 194                         void * pSMgr =
 195                             java2dest.mapInterface(
 196                                 jSMgr, cppu::UnoType<lang::XMultiServiceFactory>::get());
 197                         void * pKey =
 198                             java2dest.mapInterface(
 199                                 jRegKey, cppu::UnoType<registry::XRegistryKey>::get());
 200
 201                         const char* pImplName = pJEnv->GetStringUTFChars( jImplName, nullptr );
 202
 203                         void * pSSF = (*reinterpret_cast<component_getFactoryFunc>(pSym))(
 204                             pImplName, pSMgr, pKey );
 205
 206                         pJEnv->ReleaseStringUTFChars( jImplName, pImplName );
 207
 208                         uno_ExtEnvironment * env = loader_env.get()->pExtEnv;
 209
 210                         if (pKey && env)
 211                             (*env->releaseInterface)( env, pKey );
 212                         if (pSMgr && env)
 213                             (*env->releaseInterface)( env, pSMgr );
 214
 215                         if (pSSF)
 216                         {
 217                             jobject jglobal = static_cast<jobject>(dest2java.mapInterface(
 218                                 pSSF, cppu::UnoType<XInterface>::get()));
 219                             joSLL_cpp = pJEnv->NewLocalRef( jglobal );
 220                             pJEnv->DeleteGlobalRef( jglobal );
 221                             if (env)
 222                                 (*env->releaseInterface)( env, pSSF );
 223                         }
 224                     }
 225                 }
 226             }
 227         }
 228         lib.release();
 229     }
 230 #endif
 231     return joSLL_cpp;
 232 }
 233
 234 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */