/*
 *  Copyright (C) 2004 Roman Krylov
 *  rkrylov@mail.ru
 *  
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser 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 Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

package org.JWrapper;

import java.lang.*;
import java.lang.reflect.*;
import java.util.*;

public class JBeanAccessAdapter extends JAccessAdapter
{
    protected Object source;
    protected Method setter;
    protected Method getter;
    protected boolean absoluteRW = true;
    
    public JBeanAccessAdapter(Object _source,
        String _entity_name,
        boolean _RW)
        {
        source = _source;
        try
            {
            getter = _source.getClass().getMethod("get"+_entity_name,null);
            value_class = getter.getReturnType();
            RW=_RW;
            try
            {
            setter =
            _source.getClass().getMethod("set"+_entity_name,new Class[]{value_class});
            } catch (Exception ex)
                { if(!_RW) { absoluteRW = false; RW = false; } }
           } catch(Exception ex)
           {
           System.out.println("JBeanAccessAdapter:"+ex.toString());
           ex.printStackTrace();
           }
        this.setRW(RW);
        }
    public JBeanAccessAdapter(Object _source,
        String _entity_name)
    {
    source = _source;
    try
        {
        getter = _source.getClass().getMethod("get"+_entity_name,null);
        value_class = getter.getReturnType();
        try
        {
        setter =
        _source.getClass().getMethod("set"+_entity_name,new Class[]{value_class});
        } catch (Exception ex)
            { absoluteRW = false; RW = false;}
       } catch(Exception ex)
       {
       System.out.println("JBeanAccessAdapter:"+ex.toString());
       ex.printStackTrace();
       }
    }
    
    public void setRW(boolean rw)
        {
        if(!absoluteRW==false)
            { RW = rw; }
        }
    
    public T get() throws Exception
        {
        T value = null;
        value = (T) getter.invoke(source, null);
        return value;
        }
    protected void _set(T obj) throws Exception
        {
        if(RW)
            { setter.invoke(source, new Object[]{obj}); }
        }

}