office-gobmx/javaunohelper/source/bootstrap.cxx
Tor Lillqvist 9a745cbf54 Introdude SAL_JNI_EXPORT and use that instead of JNIEXPORT
Use it in the cases where I yesterday changed SAL_DLLPUBLIC_EXPORT to
JNIEXPORT. It turns out that on Linux JNIEXPORT does not enforce
"default" visibility, but expands to empty.

Change-Id: I033b3cf538715fb596e965e17f3da12fb987df63
2012-11-09 10:51:00 +02:00

180 lines
6.3 KiB
C++

/* -*- 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 "osl/diagnose.h"
#include "rtl/alloc.h"
#include "rtl/bootstrap.hxx"
#include "rtl/string.hxx"
#include "uno/mapping.hxx"
#include "uno/environment.hxx"
#include "cppuhelper/bootstrap.hxx"
#include "com/sun/star/lang/XComponent.hpp"
#include "com/sun/star/lang/XSingleComponentFactory.hpp"
#include "jni.h"
#include "jvmaccess/virtualmachine.hxx"
#include "jvmaccess/unovirtualmachine.hxx"
#include "vm.hxx"
#define OUSTR(x) ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM(x) )
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using ::rtl::OString;
using ::rtl::OUString;
namespace javaunohelper
{
inline ::rtl::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 =
(rtl_uString *)rtl_allocateMemory( sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) );
jni_env->GetStringRegion( jstr, 0, len, ustr->buffer );
OSL_ASSERT( JNI_FALSE == jni_env->ExceptionCheck() );
ustr->refCount = 1;
ustr->length = len;
ustr->buffer[ len ] = '\0';
return ::rtl::OUString( ustr, SAL_NO_ACQUIRE );
}
}
//==================================================================================================
extern "C" SAL_JNI_EXPORT jobject JNICALL 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 (0 != jpairs)
{
jsize nPos = 0, len = jni_env->GetArrayLength( jpairs );
while (nPos < len)
{
// name
jstring jstr = (jstring)jni_env->GetObjectArrayElement( jpairs, nPos );
if (JNI_FALSE != jni_env->ExceptionCheck())
{
jni_env->ExceptionClear();
throw RuntimeException(
OUSTR("index out of bounds?!"), Reference< XInterface >() );
}
if (0 != jstr)
{
OUString name( ::javaunohelper::jstring_to_oustring( jstr, jni_env ) );
// value
jstr = (jstring)jni_env->GetObjectArrayElement( jpairs, nPos +1 );
if (JNI_FALSE != jni_env->ExceptionCheck())
{
jni_env->ExceptionClear();
throw RuntimeException(
OUSTR("index out of bounds?!"), Reference< XInterface >() );
}
if (0 != 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 (0 == 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 = OUSTR(CPPU_CURRENT_LANGUAGE_BINDING_NAME);
OUString java_env_name = OUSTR(UNO_LB_JAVA);
Environment java_env, cpp_env;
uno_getEnvironment((uno_Environment **)&cpp_env, cpp_env_name.pData, NULL);
uno_getEnvironment( (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(
OUSTR("cannot get mapping C++ <-> Java!"),
Reference< XInterface >() );
}
jobject jret = (jobject)mapping.mapInterface( xContext.get(), ::getCppuType( &xContext ) );
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 (0 != c)
{
OString cstr( ::rtl::OUStringToOString(
exc.Message, RTL_TEXTENCODING_JAVA_UTF8 ) );
OSL_TRACE( __FILE__": forwarding RuntimeException: %s", cstr.getStr() );
jni_env->ThrowNew( c, cstr.getStr() );
}
}
catch (const Exception & exc)
{
jclass c = jni_env->FindClass( "com/sun/star/uno/Exception" );
if (0 != c)
{
OString cstr( ::rtl::OUStringToOString(
exc.Message, RTL_TEXTENCODING_JAVA_UTF8 ) );
OSL_TRACE( __FILE__": forwarding Exception: %s", cstr.getStr() );
jni_env->ThrowNew( c, cstr.getStr() );
}
}
return 0;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */