| /************************************************************** |
| * |
| * 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_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 |