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/*
* JLasso -- Java bindings for Lasso library
*
* Copyright (C) 2004 Entr'ouvert
* http://lasso.entrouvert.org
*
* Authors: Benjamin Poussin <poussin@codelutin.com>
* Emmanuel Raviart <eraviart@entrouvert.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _HELPER_H_
#define _HELPER_H_
#include <jni.h>
/**
* Store C object in Java object
*/
void storeCObject(JNIEnv * env, jobject this, void * cobject);
/**
* Get C object from Java object
*/
void* getCObject(JNIEnv * env, jobject this);
/**
* Get pointer object stored in java field
* @param name name of field used to store pointer
* @return object pointer
*/
void * getObjectRef(JNIEnv * env, jobject this, const char * name);
/**
* Store object pointer in java field
* @param name name of field used to store pointer
* @param objectRef pointer to store
*/
void setObjectRef(JNIEnv * env, jobject this, const char * name, void * objectRef);
/**
* Get value of attribute, attribute must be Java object
*/
jobject getJavaObjectField(JNIEnv * env, jobject this, const char * fieldName, const char * fieldType);
/**
* Store new value for Java object attribute, attribute must be Java object
*/
void setJavaObjectField(JNIEnv * env, jobject this, const char * name, const char * fieldType, jobject value);
/**
* Instanciate a new object. Default constructor used
*/
jobject instanciate(JNIEnv * env, const char * className);
/**
* Check if Java object store the C object passed in parameter
*/
int isSameObject(JNIEnv * env, jobject javaObject, void* cObject);
/**
* If field in Java object don't represent C object, then create new Java
* object representation for this C object and set java field.
*/
void checkAndSetField(JNIEnv * env, jobject this, char * fieldName,
char * fieldType, char * javaObjectClassName, void * cObject);
#endif
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