154 lines
5.8 KiB
C++
154 lines
5.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "jni.h"
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#include "rtl/ustring.hxx"
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#include "osl/module.h"
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// In retrospect, the reason to create a juh wrapper around the juhx library was
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// probably because java.lang.System.loadLibrary uses RTLD_LOCAL, so uniqueness
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// of GCC RTTI symbols needed for exception handling would not be guaranteed.
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#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
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#if ! defined SAL_DLLPREFIX
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#define SAL_DLLPREFIX ""
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#endif
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using ::rtl::OUString;
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extern "C"
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{
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typedef jboolean (JNICALL * fptr_writeInfo)(
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JNIEnv *, jclass, jstring, jobject, jobject, jobject );
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typedef jobject (JNICALL * fptr_getFactory)(
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JNIEnv *, jclass, jstring, jstring, jobject, jobject, jobject );
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typedef jobject (JNICALL * fptr_createRegistryServiceFactory)(
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JNIEnv *, jclass, jstring, jstring, jboolean, jobject );
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typedef jobject (JNICALL * fptr_bootstrap)(
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JNIEnv *_env, jclass, jstring, jobjectArray, jobject );
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static fptr_writeInfo s_writeInfo;
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static fptr_getFactory s_getFactory;
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static fptr_createRegistryServiceFactory s_createRegistryServiceFactory;
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static fptr_bootstrap s_bootstrap;
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static bool s_inited = false;
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extern "C" { static void SAL_CALL thisModule() {} }
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//--------------------------------------------------------------------------------------------------
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static bool inited_juhx( JNIEnv * jni_env )
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{
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if (s_inited)
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return true;
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OUString lib_name = OUSTR(SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION);
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oslModule hModule =
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osl_loadModuleRelative( &thisModule, lib_name.pData, SAL_LOADMODULE_LAZY | SAL_LOADMODULE_GLOBAL );
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if (0 == hModule)
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{
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jclass c = jni_env->FindClass( "java/lang/RuntimeException" );
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jni_env->ThrowNew(
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c, "error loading " SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION "!" );
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return false;
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}
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else
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{
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OUString symbol =
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OUSTR("Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo");
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s_writeInfo = (fptr_writeInfo)osl_getFunctionSymbol(
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hModule, symbol.pData );
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symbol =
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OUSTR("Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory");
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s_getFactory = (fptr_getFactory)osl_getFunctionSymbol(
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hModule, symbol.pData );
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symbol =
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OUSTR("Java_com_sun_star_comp_helper_RegistryServiceFactory_createRegistryServiceFactory");
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s_createRegistryServiceFactory =
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(fptr_createRegistryServiceFactory)osl_getFunctionSymbol(
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hModule, symbol.pData );
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symbol =
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OUSTR("Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap");
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s_bootstrap =
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(fptr_bootstrap)osl_getFunctionSymbol( hModule, symbol.pData );
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if (0 == s_writeInfo ||
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0 == s_getFactory ||
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0 == s_createRegistryServiceFactory ||
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0 == s_bootstrap)
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{
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jclass c = jni_env->FindClass( "java/lang/RuntimeException" );
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jni_env->ThrowNew(
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c, "error resolving symbols of " SAL_DLLPREFIX "juhx" SAL_DLLEXTENSION "!" );
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return false;
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}
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}
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s_inited = true;
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return true;
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}
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//==================================================================================================
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JNIEXPORT jboolean JNICALL
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Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1writeInfo(
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JNIEnv * pJEnv, jclass jClass, jstring jLibName, jobject jSMgr,
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jobject jRegKey, jobject loader )
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{
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if (inited_juhx( pJEnv ))
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return (*s_writeInfo)(
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pJEnv, jClass, jLibName, jSMgr, jRegKey, loader );
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return JNI_FALSE;
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}
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//==================================================================================================
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JNIEXPORT jobject JNICALL
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Java_com_sun_star_comp_helper_SharedLibraryLoader_component_1getFactory(
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JNIEnv * pJEnv, jclass jClass, jstring jLibName, jstring jImplName,
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jobject jSMgr, jobject jRegKey, jobject loader )
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{
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if (inited_juhx( pJEnv ))
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return (*s_getFactory)(
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pJEnv, jClass, jLibName, jImplName, jSMgr, jRegKey, loader );
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return 0;
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}
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//==================================================================================================
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JNIEXPORT jobject JNICALL
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Java_com_sun_star_comp_helper_RegistryServiceFactory_createRegistryServiceFactory(
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JNIEnv * pJEnv, jclass jClass, jstring jWriteRegFile,
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jstring jReadRegFile, jboolean jbReadOnly, jobject loader )
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{
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if (inited_juhx( pJEnv ))
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{
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return (*s_createRegistryServiceFactory)(
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pJEnv, jClass, jWriteRegFile, jReadRegFile, jbReadOnly, loader );
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}
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return 0;
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}
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//==================================================================================================
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JNIEXPORT jobject JNICALL
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Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap(
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JNIEnv * jni_env, jclass jClass, jstring juno_rc, jobjectArray jpairs,
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jobject loader )
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{
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if (inited_juhx( jni_env ))
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return (*s_bootstrap)( jni_env, jClass, juno_rc, jpairs, loader );
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return 0;
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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