xref: /trunk/main/bridges/source/jni_uno/jni_bridge.h (revision 9eab2a37)

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#if ! defined INCLUDED_JNI_BRIDGE_H
#define INCLUDED_JNI_BRIDGE_H

#include "jni_base.h"
#include "jni_info.h"
#include "jni_helper.h"

#include "osl/diagnose.h"
#include "osl/interlck.h"

#include "uno/mapping.h"
#include "uno/dispatcher.h"

#include "com/sun/star/uno/XInterface.hpp"


namespace jni_uno
{

//==== holds environments and mappings =========================================
struct Bridge;
struct Mapping : public uno_Mapping
{
    Bridge * m_bridge;
};

//==============================================================================
struct Bridge
{
    mutable oslInterlockedCount m_ref;

    uno_ExtEnvironment *        m_uno_env;
    uno_Environment *           m_java_env;

    Mapping                     m_java2uno;
    Mapping                     m_uno2java;
    bool                        m_registered_java2uno;

    JNI_info const *            m_jni_info;

    //
    ~Bridge() SAL_THROW( () );
    explicit Bridge(
        uno_Environment * java_env, uno_ExtEnvironment * uno_env,
        bool registered_java2uno );

    void acquire() const;
    void release() const;

    // jni_data.cxx
    void map_to_uno(
        JNI_context const & jni,
        void * uno_data, jvalue java_data,
        typelib_TypeDescriptionReference * type,
        JNI_type_info const * info /* maybe 0 */,
        bool assign, bool out_param,
        bool special_wrapped_integral_types = false ) const;
    void map_to_java(
        JNI_context const & jni,
        jvalue * java_data, void const * uno_data,
        typelib_TypeDescriptionReference * type,
        JNI_type_info const * info /* maybe 0 */,
        bool in_param, bool out_param,
        bool special_wrapped_integral_types = false ) const;

    // jni_uno2java.cxx
    void handle_uno_exc(
        JNI_context const & jni, uno_Any * uno_exc ) const;
    void call_java(
        jobject javaI,
        typelib_InterfaceTypeDescription * iface_td,
        sal_Int32 local_member_index, sal_Int32 function_pos_offset,
        typelib_TypeDescriptionReference * return_type,
        typelib_MethodParameter * params, sal_Int32 nParams,
        void * uno_ret, void * uno_args [], uno_Any ** uno_exc ) const;
    jobject map_to_java(
        JNI_context const & jni,
        uno_Interface * pUnoI, JNI_interface_type_info const * info ) const;

    // jni_java2uno.cxx
    void handle_java_exc(
        JNI_context const & jni,
        JLocalAutoRef const & jo_exc, uno_Any * uno_exc ) const;
    jobject call_uno(
        JNI_context const & jni,
        uno_Interface * pUnoI, typelib_TypeDescription * member_td,
        typelib_TypeDescriptionReference * return_tdref,
        sal_Int32 nParams, typelib_MethodParameter const * pParams,
        jobjectArray jo_args ) const;
    uno_Interface * map_to_uno(
        JNI_context const & jni,
        jobject javaI, JNI_interface_type_info const * info ) const;
};

}

#endif