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, NULL);
  59     OUString aLibName(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         OUString aGetEnvName( COMPONENT_GETENV );
  74         oslGenericFunction pSym = lib.getFunctionSymbol(aGetEnvName);
  75         if (pSym)
  76         {
  77             Environment java_env, loader_env;
  78
  79             const sal_Char * pEnvTypeName = 0;
  80             (*reinterpret_cast<component_getImplementationEnvironmentFunc>(pSym))(
  81                 &pEnvTypeName, reinterpret_cast<uno_Environment **>(&loader_env) );
  82             if (! loader_env.is())
  83             {
  84                 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
  85                 uno_getEnvironment( reinterpret_cast<uno_Environment **>(&loader_env), aEnvTypeName.pData, 0 );
  86             }
  87
  88             // create vm access
  89             ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > vm_access(
  90                 ::javaunohelper::create_vm_access( pJEnv, loader ) );
  91             OUString java_env_name = UNO_LB_JAVA;
  92             uno_getEnvironment(
  93                 reinterpret_cast<uno_Environment **>(&java_env), java_env_name.pData, vm_access.get() );
  94
  95             OUString aWriteInfoName( COMPONENT_WRITEINFO );
  96             pSym = lib.getFunctionSymbol(aWriteInfoName);
  97             if (pSym)
  98             {
  99                 if (loader_env.is() && java_env.is())
 100                 {
 101                     Mapping java2dest(java_env.get(), loader_env.get());
 102
 103                     if ( java2dest.is() )
 104                     {
 105                         void * pSMgr =
 106                             java2dest.mapInterface(
 107                                 jSMgr, cppu::UnoType<lang::XMultiServiceFactory>::get());
 108                         void * pKey =
 109                             java2dest.mapInterface(
 110                                 jRegKey, cppu::UnoType<registry::XRegistryKey>::get());
 111
 112                         uno_ExtEnvironment * env = loader_env.get()->pExtEnv;
 113                         if (pKey)
 114                         {
 115                             bRet = (*reinterpret_cast<component_writeInfoFunc>(pSym))( pSMgr, pKey );
 116
 117                             if (env)
 118                                 (*env->releaseInterface)( env, pKey );
 119                         }
 120
 121                         if (pSMgr && env)
 122                             (*env->releaseInterface)( env, pSMgr );
 123                     }
 124                 }
 125             }
 126         }
 127         lib.release();
 128     }
 129 #endif
 130     return bRet ? JNI_TRUE : JNI_FALSE;
 131 }
 132
 133 /*
 134  * Class:     com_sun_star_comp_helper_SharedLibraryLoader
 135  * Method:    component_getFactory
 136  * Signature: (Ljava/lang/String;Ljava/lang/String;Lcom/sun/star/lang/XMultiServiceFactory;Lcom/sun/star/registry/XRegistryKey;)Ljava/lang/Object;
 137  */
 138 jobject Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory(
 139     JNIEnv * pJEnv, SAL_UNUSED_PARAMETER jclass, jstring jLibName, jstring jImplName,
 140     jobject jSMgr, jobject jRegKey, jobject loader )
 141 {
 142     const jchar* pJLibName = pJEnv->GetStringChars(jLibName, NULL);
 143     OUString aLibName(pJLibName);
 144     pJEnv->ReleaseStringChars(jLibName, pJLibName);
 145
 146 #ifdef DISABLE_DYNLOADING
 147     (void) jImplName;
 148     (void) jSMgr;
 149     (void) jRegKey;
 150     (void) loader;
 151
 152     fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(aLibName, osl_getThreadTextEncoding()).getStr());
 153 #endif
 154
 155     aLibName += OUString( SAL_DLLEXTENSION );
 156
 157     jobject joSLL_cpp = 0;
 158
 159 #ifndef DISABLE_DYNLOADING
 160     osl::Module lib(aLibName, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL);
 161     if (lib.is())
 162     {
 163         // ========================= LATEST VERSION =========================
 164         OUString aGetEnvName( COMPONENT_GETENV );
 165         oslGenericFunction pSym = lib.getFunctionSymbol(aGetEnvName);
 166         if (pSym)
 167         {
 168             Environment java_env, loader_env;
 169
 170             const sal_Char * pEnvTypeName = 0;
 171             (*reinterpret_cast<component_getImplementationEnvironmentFunc>(pSym))(
 172                 &pEnvTypeName, reinterpret_cast<uno_Environment **>(&loader_env) );
 173
 174             if (! loader_env.is())
 175             {
 176                 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
 177                 uno_getEnvironment( reinterpret_cast<uno_Environment **>(&loader_env), aEnvTypeName.pData, 0 );
 178             }
 179
 180             // create vm access
 181             ::rtl::Reference< ::jvmaccess::UnoVirtualMachine > vm_access(
 182                 ::javaunohelper::create_vm_access( pJEnv, loader ) );
 183             OUString java_env_name = UNO_LB_JAVA;
 184             uno_getEnvironment(
 185                 reinterpret_cast<uno_Environment **>(&java_env), java_env_name.pData, vm_access.get() );
 186
 187             OUString aGetFactoryName( COMPONENT_GETFACTORY );
 188             pSym = lib.getFunctionSymbol(aGetFactoryName);
 189             if (pSym)
 190             {
 191                 if (loader_env.is() && java_env.is())
 192                 {
 193                     Mapping java2dest( java_env.get(), loader_env.get() );
 194                     Mapping dest2java( loader_env.get(), java_env.get() );
 195
 196                     if (dest2java.is() && java2dest.is())
 197                     {
 198                         void * pSMgr =
 199                             java2dest.mapInterface(
 200                                 jSMgr, cppu::UnoType<lang::XMultiServiceFactory>::get());
 201                         void * pKey =
 202                             java2dest.mapInterface(
 203                                 jRegKey, cppu::UnoType<registry::XRegistryKey>::get());
 204
 205                         const char* pImplName = pJEnv->GetStringUTFChars( jImplName, NULL );
 206
 207                         void * pSSF = (*reinterpret_cast<component_getFactoryFunc>(pSym))(
 208                             pImplName, pSMgr, pKey );
 209
 210                         pJEnv->ReleaseStringUTFChars( jImplName, pImplName );
 211
 212                         uno_ExtEnvironment * env = loader_env.get()->pExtEnv;
 213
 214                         if (pKey && env)
 215                             (*env->releaseInterface)( env, pKey );
 216                         if (pSMgr && env)
 217                             (*env->releaseInterface)( env, pSMgr );
 218
 219                         if (pSSF)
 220                         {
 221                             jobject jglobal = static_cast<jobject>(dest2java.mapInterface(
 222                                 pSSF, cppu::UnoType<XInterface>::get()));
 223                             joSLL_cpp = pJEnv->NewLocalRef( jglobal );
 224                             pJEnv->DeleteGlobalRef( jglobal );
 225                             if (env)
 226                                 (*env->releaseInterface)( env, pSSF );
 227                         }
 228                     }
 229                 }
 230             }
 231         }
 232         lib.release();
 233     }
 234 #endif
 235     return joSLL_cpp;
 236 }
 237
 238 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */