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.h>
  24
  25 #include <uno/environment.hxx>
  26 #include <uno/mapping.hxx>
  27
  28 #include <cppuhelper/factory.hxx>
  29
  30 #include <com/sun/star/beans/XPropertySet.hpp>
  31 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  32 #include <com/sun/star/lang/XServiceInfo.hpp>
  33 #include <com/sun/star/registry/XRegistryKey.hpp>
  34
  35 #include "jni.h"
  36 #include "jvmaccess/virtualmachine.hxx"
  37 #include "jvmaccess/unovirtualmachine.hxx"
  38
  39 #include "juhx-export-functions.hxx"
  40 #include "vm.hxx"
  41
  42 using namespace ::com::sun::star;
  43 using namespace ::com::sun::star::uno;
  44
  45 /*
  46  * Class:     com_sun_star_comp_helper_SharedLibraryLoader
  47  * Method:    component_writeInfo
  48  * Signature: (Ljava/lang/String;Lcom/sun/star/lang/XMultiServiceFactory;Lcom/sun/star/registry/XRegistryKey;)Z
  49  */
  50 jboolean Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo(
  51     JNIEnv * pJEnv, SAL_UNUSED_PARAMETER jclass, jstring jLibName, jobject jSMgr,
  52     jobject jRegKey, jobject loader )
  53 {
  54     sal_Bool bRet = sal_False;
  55
  56     const jchar* pJLibName = pJEnv->GetStringChars( jLibName, NULL );
  57     OUString aLibName( pJLibName );
  58     pJEnv->ReleaseStringChars( jLibName, pJLibName);
  59
  60 #ifdef DISABLE_DYNLOADING
  61     (void) jSMgr;
  62     (void) jRegKey;
  63     (void) loader;
  64
  65     fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(pJLibName, RTL_TEXTENCODING_JAVA_UTF8).getStr());
  66 #else
  67     oslModule lib = osl_loadModule( aLibName.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
  68     if (lib)
  69     {
  70         // ========================= LATEST VERSION =========================
  71         OUString aGetEnvName( COMPONENT_GETENV );
  72         oslGenericFunction pSym =
  73             osl_getFunctionSymbol( lib, aGetEnvName.pData );
  74         if (pSym)
  75         {
  76             Environment java_env, loader_env;
  77
  78             const sal_Char * pEnvTypeName = 0;
  79             (*((component_getImplementationEnvironmentFunc)pSym))(
  80                 &pEnvTypeName, (uno_Environment **)&loader_env );
  81             if (! loader_env.is())
  82             {
  83                 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
  84                 uno_getEnvironment( (uno_Environment **)&loader_env, aEnvTypeName.pData, 0 );
  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                 (uno_Environment **)&java_env, java_env_name.pData, vm_access.get() );
  93
  94             OUString aWriteInfoName( COMPONENT_WRITEINFO );
  95             pSym = osl_getFunctionSymbol( lib, aWriteInfoName.pData );
  96             if (pSym)
  97             {
  98                 if (loader_env.is() && java_env.is())
  99                 {
 100                     Mapping java2dest(java_env.get(), loader_env.get());
 101
 102                     if ( java2dest.is() )
 103                     {
 104                         void * pSMgr =
 105                             java2dest.mapInterface(
 106                                 jSMgr, getCppuType((Reference< lang::XMultiServiceFactory > *) 0) );
 107                         void * pKey =
 108                             java2dest.mapInterface(
 109                                 jRegKey, getCppuType((Reference< registry::XRegistryKey > *) 0) );
 110
 111                         uno_ExtEnvironment * env = loader_env.get()->pExtEnv;
 112                         if (pKey)
 113                         {
 114                             bRet = (*((component_writeInfoFunc)pSym))( pSMgr, pKey );
 115
 116                             if (env)
 117                                 (*env->releaseInterface)( env, pKey );
 118                         }
 119
 120                         if (pSMgr && env)
 121                             (*env->releaseInterface)( env, pSMgr );
 122                     }
 123                 }
 124             }
 125         }
 126     }
 127 #endif
 128     return bRet == sal_False? JNI_FALSE : JNI_TRUE;
 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, NULL);
 141
 142 #ifdef DISABLE_DYNLOADING
 143     (void) jImplName;
 144     (void) jSMgr;
 145     (void) jRegKey;
 146     (void) loader;
 147
 148     fprintf(stderr, "Hmm, %s called for %s\n", __PRETTY_FUNCTION__, OUStringToOString(pJLibName, RTL_TEXTENCODING_JAVA_UTF8).getStr());
 149 #endif
 150
 151     OUString aLibName( pJLibName );
 152     pJEnv->ReleaseStringChars( jLibName, pJLibName);
 153
 154     aLibName += OUString( SAL_DLLEXTENSION );
 155
 156     jobject joSLL_cpp = 0;
 157
 158 #ifndef DISABLE_DYNLOADING
 159     oslModule lib = osl_loadModule( aLibName.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
 160     if (lib)
 161     {
 162         // ========================= LATEST VERSION =========================
 163         OUString aGetEnvName( COMPONENT_GETENV );
 164         oslGenericFunction pSym =
 165             osl_getFunctionSymbol( lib, aGetEnvName.pData );
 166         if (pSym)
 167         {
 168             Environment java_env, loader_env;
 169
 170             const sal_Char * pEnvTypeName = 0;
 171             (*((component_getImplementationEnvironmentFunc)pSym))(
 172                 &pEnvTypeName, (uno_Environment **)&loader_env );
 173
 174             if (! loader_env.is())
 175             {
 176                 OUString aEnvTypeName( OUString::createFromAscii( pEnvTypeName ) );
 177                 uno_getEnvironment( (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                 (uno_Environment **)&java_env, java_env_name.pData, vm_access.get() );
 186
 187             OUString aGetFactoryName( COMPONENT_GETFACTORY );
 188             pSym = osl_getFunctionSymbol( lib, aGetFactoryName.pData );
 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, ::getCppuType((Reference< lang::XMultiServiceFactory > *) 0) );
 201                         void * pKey =
 202                             java2dest.mapInterface(
 203                                 jRegKey, ::getCppuType((Reference< registry::XRegistryKey > *) 0) );
 204
 205                         const char* pImplName = pJEnv->GetStringUTFChars( jImplName, NULL );
 206
 207                         void * pSSF = (*((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 = (jobject) dest2java.mapInterface(
 222                                 pSSF, getCppuType((Reference< XInterface > *) 0) );
 223                             joSLL_cpp = pJEnv->NewLocalRef( jglobal );
 224                             pJEnv->DeleteGlobalRef( jglobal );
 225                             if (env)
 226                                 (*env->releaseInterface)( env, pSSF );
 227                         }
 228                     }
 229                 }
 230             }
 231         }
 232     }
 233 #endif
 234     return joSLL_cpp;
 235 }
 236
 237 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */