keygetterbasic.java

是一个专门设计用于触摸屏的POS(point of sales)应用软件

//    Tina POS is a point of sales application designed for touch screens.
//    Copyright (C) 2005 Adrian Romero Corchado.
//    http://sourceforge.net/projects/tinapos
//
//    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

/*
 * KeyGetterBasic.java
 *
 * Created on 13 de septiembre de 2004, 21:16
 */

package net.adrianromero.data.loader;

/**
 *
 * @author  adrian
 */
public class KeyGetterBasic implements IKeyGetter {
    
    private int [] m_aElems;
    
    /** Creates a new instance of KeyGetterBasic */
    public KeyGetterBasic(int[] aElems) {
        m_aElems = aElems;
    }
    
    public Object getKey(Object value) {
        if (value == null) {
            return null;
        } else {
            Object[] avalue = (Object []) value;
            Object[] akey = new Object[m_aElems.length];
            for (int i = 0; i < m_aElems.length; i++) {
                akey[i] = avalue[m_aElems[i]];
            }
            return akey;
        }
    }   
}