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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 <sal/log.hxx>
#include <osl/diagnose.h>
#include <rtl/bootstrap.hxx>
#include <rtl/string.hxx>
#include <uno/lbnames.h>
#include <uno/mapping.hxx>
#include <uno/environment.hxx>
#include <cppuhelper/bootstrap.hxx>
#include <com/sun/star/lang/XComponent.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#if defined __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunknown-attributes"
#endif
#include <jni.h>
#if defined __clang__
#pragma clang diagnostic pop
#endif
#include <jvmaccess/unovirtualmachine.hxx>
#include "juhx-export-functions.hxx"
#include "vm.hxx"
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
namespace javaunohelper
{
static OUString jstring_to_oustring( jstring jstr, JNIEnv * jni_env )
{
OSL_ASSERT( sizeof (sal_Unicode) == sizeof (jchar) );
jsize len = jni_env->GetStringLength( jstr );
rtl_uString * ustr =
static_cast<rtl_uString *>(std::malloc( sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) ));
assert(ustr);
jni_env->GetStringRegion( jstr, 0, len, reinterpret_cast<jchar *>(ustr->buffer) );
OSL_ASSERT( !jni_env->ExceptionCheck() );
ustr->refCount = 1;
ustr->length = len;
ustr->buffer[ len ] = '\0';
return OUString( ustr, SAL_NO_ACQUIRE );
}
}
jobject Java_com_sun_star_comp_helper_Bootstrap_cppuhelper_1bootstrap(
JNIEnv * jni_env, SAL_UNUSED_PARAMETER jclass, jstring juno_rc, jobjectArray jpairs,
jobject loader )
{
try
{
if (nullptr != jpairs)
{
jsize nPos = 0, len = jni_env->GetArrayLength( jpairs );
while (nPos < len)
{
// name
jstring jstr = static_cast<jstring>(jni_env->GetObjectArrayElement( jpairs, nPos ));
if (jni_env->ExceptionCheck())
{
jni_env->ExceptionClear();
throw RuntimeException( u"index out of bounds?!"_ustr );
}
if (nullptr != jstr)
{
OUString name( ::javaunohelper::jstring_to_oustring( jstr, jni_env ) );
// value
jstr = static_cast<jstring>(jni_env->GetObjectArrayElement( jpairs, nPos +1 ));
if (jni_env->ExceptionCheck())
{
jni_env->ExceptionClear();
throw RuntimeException( u"index out of bounds?!"_ustr );
}
if (nullptr != jstr)
{
OUString value( ::javaunohelper::jstring_to_oustring( jstr, jni_env ) );
// set bootstrap parameter
::rtl::Bootstrap::set( name, value );
}
}
nPos += 2;
}
}
// bootstrap uno
Reference< XComponentContext > xContext;
if (nullptr == juno_rc)
{
xContext = ::cppu::defaultBootstrap_InitialComponentContext();
}
else
{
OUString uno_rc( ::javaunohelper::jstring_to_oustring( juno_rc, jni_env ) );
xContext = ::cppu::defaultBootstrap_InitialComponentContext( uno_rc );
}
// create vm access
::rtl::Reference< ::jvmaccess::UnoVirtualMachine > vm_access(
::javaunohelper::create_vm_access( jni_env, loader ) );
// wrap vm singleton entry
xContext = ::javaunohelper::install_vm_singleton( xContext, vm_access );
// get uno envs
OUString cpp_env_name = CPPU_CURRENT_LANGUAGE_BINDING_NAME;
OUString java_env_name = u"" UNO_LB_JAVA ""_ustr;
Environment java_env, cpp_env;
uno_getEnvironment(reinterpret_cast<uno_Environment **>(&cpp_env), cpp_env_name.pData, nullptr);
uno_getEnvironment(reinterpret_cast<uno_Environment **>(&java_env), java_env_name.pData, vm_access.get() );
// map to java
Mapping mapping( cpp_env.get(), java_env.get() );
if (! mapping.is())
{
Reference< lang::XComponent > xComp( xContext, UNO_QUERY );
if (xComp.is())
xComp->dispose();
throw RuntimeException(u"cannot get mapping C++ <-> Java!"_ustr );
}
jobject jret = static_cast<jobject>(mapping.mapInterface( xContext.get(), cppu::UnoType<decltype(xContext)>::get() ));
jobject jlocal = jni_env->NewLocalRef( jret );
jni_env->DeleteGlobalRef( jret );
return jlocal;
}
catch (const RuntimeException & exc)
{
jclass c = jni_env->FindClass( "com/sun/star/uno/RuntimeException" );
if (nullptr != c)
{
SAL_WARN("javaunohelper", "forwarding RuntimeException: " << exc );
OString cstr( OUStringToOString(
exc.Message, RTL_TEXTENCODING_JAVA_UTF8 ) );
jni_env->ThrowNew( c, cstr.getStr() );
}
}
catch (const Exception & exc)
{
jclass c = jni_env->FindClass( "com/sun/star/uno/Exception" );
if (nullptr != c)
{
SAL_WARN("javaunohelper", "forwarding Exception: " << exc );
OString cstr( OUStringToOString(
exc.Message, RTL_TEXTENCODING_JAVA_UTF8 ) );
jni_env->ThrowNew( c, cstr.getStr() );
}
}
return nullptr;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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