vectorerbuilder.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

package net.adrianromero.data.loader;

import java.util.*;
import net.adrianromero.basic.BasicException;

public abstract class VectorerBuilder implements Vectorer {
    
    /** Creates a new instance of VectorerBuilder */
    public VectorerBuilder() {
    }
    
    public abstract String[] getHeaders() throws BasicException;
    
    public String[] getValues(Object obj) throws BasicException {
        
        SerializableToArray s2a = new SerializableToArray(); 
        ((SerializableWrite) obj).writeValues(s2a);
        return s2a.getValues();
    }
    
    private static class SerializableToArray implements DataWrite {

        private ArrayList m_aParams;

        /** Creates a new instance of MetaParameter */
        public SerializableToArray() {
            m_aParams = new ArrayList();
        }
        
        public void setDouble(int paramIndex, Double dValue) throws BasicException {
            ensurePlace(paramIndex - 1);
            m_aParams.set(paramIndex - 1, dValue.toString());
        }
        public void setBoolean(int paramIndex, Boolean bValue) throws BasicException {
            ensurePlace(paramIndex - 1);
            m_aParams.set(paramIndex - 1, bValue.toString());
        }
        public void setInt(int paramIndex, Integer iValue) throws BasicException {
            ensurePlace(paramIndex - 1);
            m_aParams.set(paramIndex - 1, iValue.toString());
        }   
        public void setString(int paramIndex, String sValue) throws BasicException {
            ensurePlace(paramIndex - 1);
            m_aParams.set(paramIndex - 1, sValue);
        }
        public void setTimestamp(int paramIndex, java.util.Date dValue) throws BasicException {
            ensurePlace(paramIndex - 1);
            m_aParams.set(paramIndex - 1, dValue.toString());
        }
//        public void setBinaryStream(int paramIndex, java.io.InputStream in, int length) throws DataException {
//            ensurePlace(paramIndex -1);
//            // m_aParams.set(paramIndex - 1, value.toString()); // quiza un uuencode o algo asi
//        }
        public void setBytes(int paramIndex, byte[] value) throws BasicException {
            ensurePlace(paramIndex -1);
            m_aParams.set(paramIndex - 1, value.toString()); // quiza un uuencode o algo asi
        }
        public void setObject(int paramIndex, Object value) throws BasicException {
            ensurePlace(paramIndex - 1);
            m_aParams.set(paramIndex - 1, value.toString());
        }  
        
        private void ensurePlace(int i) {
            m_aParams.ensureCapacity(i);
            while (i >= m_aParams.size()){
                m_aParams.add(null);
            }
        }
        
        public String[] getValues() {
            return (String[]) m_aParams.toArray(new String[m_aParams.size()]);
        } 
    }
}