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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: jni_helper.h,v $
* $Revision: 1.10 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#if ! defined INCLUDED_JNI_HELPER_H
#define INCLUDED_JNI_HELPER_H
#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 (0 == jstr)
{
rtl_uString_new( out_ustr );
}
else
{
jsize len = jni->GetStringLength( jstr );
::std::auto_ptr< rtl_mem > mem(
rtl_mem::allocate(
sizeof (rtl_uString) + (len * sizeof (sal_Unicode)) ) );
rtl_uString * ustr = (rtl_uString *)mem.get();
jni->GetStringRegion( jstr, 0, len, (jchar *) ustr->buffer );
jni.ensure_no_exception();
ustr->refCount = 1;
ustr->length = len;
ustr->buffer[ len ] = '\0';
mem.release();
if (0 != *out_ustr)
rtl_uString_release( *out_ustr );
*out_ustr = ustr;
}
}
//------------------------------------------------------------------------------
inline ::rtl::OUString jstring_to_oustring(
JNI_context const & jni, jstring jstr )
{
rtl_uString * ustr = 0;
jstring_to_ustring( jni, &ustr, jstr );
return ::rtl::OUString( ustr, SAL_NO_ACQUIRE );
}
//------------------------------------------------------------------------------
inline jstring ustring_to_jstring(
JNI_context const & jni, rtl_uString const * ustr )
{
jstring jstr = jni->NewString( (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=0;
jmethodID m;
JNI_info const * info = jni.get_info();
if (info == 0) {
jni.getClassForName(&c, &m);
if (c == 0) {
if (inException) {
return 0;
}
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;
}
}
#endif
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