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