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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 .
*/
#pragma once
#include <sal/config.h>
#include <memory>
#include "jni_base.h"
#include "jni_info.h"
namespace jni_uno
{
inline void jstring_to_ustring(
JNI_context const & jni, rtl_uString ** out_ustr, jstring jstr )
{
if (nullptr == jstr)
{
rtl_uString_new( out_ustr );
}
else
{
jsize len = jni->GetStringLength( jstr );
std::unique_ptr< rtl_mem > mem(
rtl_mem::allocate(
sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) ) );
rtl_uString * ustr = reinterpret_cast<rtl_uString *>(mem.get());
jni->GetStringRegion( jstr, 0, len, reinterpret_cast<jchar *>(ustr->buffer) );
jni.ensure_no_exception();
ustr->refCount = 1;
ustr->length = len;
ustr->buffer[ len ] = '\0';
mem.release();
if (nullptr != *out_ustr)
rtl_uString_release( *out_ustr );
*out_ustr = ustr;
}
}
inline OUString jstring_to_oustring(
JNI_context const & jni, jstring jstr )
{
rtl_uString * ustr = nullptr;
jstring_to_ustring( jni, &ustr, jstr );
return OUString( ustr, SAL_NO_ACQUIRE );
}
inline jstring ustring_to_jstring(
JNI_context const & jni, rtl_uString const * ustr )
{
jstring jstr = jni->NewString( reinterpret_cast<jchar const *>(ustr->buffer), ustr->length );
jni.ensure_no_exception();
return jstr;
}
// if inException, does not handle exceptions, in which case returned value will
// be null if exception occurred:
inline jclass find_class(
JNI_context const & jni, char const * class_name, bool inException = false )
{
// find_class may be called before the JNI_info is set:
jclass c=nullptr;
jmethodID m;
JNI_info const * info = jni.get_info();
if (info == nullptr) {
jni.getClassForName(&c, &m);
if (c == nullptr) {
if (inException) {
return nullptr;
}
jni.ensure_no_exception();
}
} else {
c = info->m_class_Class;
m = info->m_method_Class_forName;
}
return jni.findClass(class_name, c, m, inException);
}
inline jobject create_type( JNI_context const & jni, jclass clazz )
{
JNI_info const * jni_info = jni.get_info();
jvalue arg;
arg.l = clazz;
jobject jo_type = jni->NewObjectA(
jni_info->m_class_Type, jni_info->m_ctor_Type_with_Class, &arg );
jni.ensure_no_exception();
return jo_type;
}
inline jobject create_type(
JNI_context const & jni, typelib_TypeDescriptionReference * type )
{
JNI_info const * jni_info = jni.get_info();
jvalue args[ 2 ];
// get type class
args[ 0 ].i = type->eTypeClass;
JLocalAutoRef jo_type_class(
jni, jni->CallStaticObjectMethodA(
jni_info->m_class_TypeClass,
jni_info->m_method_TypeClass_fromInt, args ) );
jni.ensure_no_exception();
// construct type
JLocalAutoRef jo_type_name(
jni, ustring_to_jstring( jni, type->pTypeName ) );
args[ 0 ].l = jo_type_name.get();
args[ 1 ].l = jo_type_class.get();
jobject jo_type = jni->NewObjectA(
jni_info->m_class_Type,
jni_info->m_ctor_Type_with_Name_TypeClass, args );
jni.ensure_no_exception();
return jo_type;
}
inline jobject compute_oid( JNI_context const & jni, jobject jo )
{
JNI_info const * jni_info = jni.get_info();
jvalue arg;
arg.l= jo;
jobject jo_oid = jni->CallStaticObjectMethodA(
jni_info->m_class_UnoRuntime,
jni_info->m_method_UnoRuntime_generateOid, &arg );
jni.ensure_no_exception();
return jo_oid;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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