/**
 *
 * NORD POS is a fork of Openbravo POS.
 *
 * Copyright (C) 2009-2013 Nord Trading Ltd. <http://www.nordpos.com>
 *
 * This file is part of NORD POS.
 *
 * NORD POS 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 3 of the License, or (at your option) any later
 * version.
 *
 * NORD POS 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
 * NORD POS. If not, see <http://www.gnu.org/licenses/>.
 */
package com.nordpos.device.writter;

import gnu.io.*; // RXTX comm library
import java.io.*;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 *
 * @author Andrey Svininykh <svininykh@gmail.com>
 * @version NORD POS 3.0
 */
public class WritterRXTX extends Writter {

    private static final Logger logger = Logger.getLogger(WritterRXTX.class.getName());

    private CommPortIdentifier m_PortIdPrinter;
    private CommPort m_CommPortPrinter;

    private final String m_sPortPrinter;
    private final Integer m_iPortSpeed;
    private final Integer m_iPortBits;
    private final Integer m_iPortStopBits;
    private final Integer m_iPortParity;
    private OutputStream m_out;

    public WritterRXTX(String sPortPrinter, Integer iPortSpeed, Integer iPortBits, Integer iPortStopBits, Integer iPortParity) {
        m_sPortPrinter = sPortPrinter;
        m_iPortSpeed = iPortSpeed;
        m_iPortBits = iPortBits;
        m_iPortStopBits = iPortStopBits;
        m_iPortParity = iPortParity;

        m_out = null;
    }

    @Override
    protected void internalWrite(byte[] data) {
        try {
            if (m_out == null) {
                m_PortIdPrinter = CommPortIdentifier.getPortIdentifier(m_sPortPrinter); // Tomamos el puerto
                m_CommPortPrinter = m_PortIdPrinter.open("PORTID", 2000); // Abrimos el puerto

                m_out = m_CommPortPrinter.getOutputStream(); // Tomamos el chorro de escritura

                if (m_PortIdPrinter.getPortType() == CommPortIdentifier.PORT_SERIAL) {
                    ((SerialPort) m_CommPortPrinter).setSerialPortParams(m_iPortSpeed, m_iPortBits, m_iPortStopBits, m_iPortParity); // Configuramos el puerto
                }
            }
            m_out.write(data);
        } catch (NoSuchPortException | PortInUseException | UnsupportedCommOperationException | IOException e) {
            logger.log(Level.SEVERE, e.getMessage(), e);
        }
    }

    @Override
    protected void internalFlush() {
        try {
            if (m_out != null) {
                m_out.flush();
            }
        } catch (IOException e) {
            logger.log(Level.SEVERE, e.getMessage(), e);
        }
    }

    @Override
    protected void internalClose() {
        try {
            if (m_out != null) {
                m_out.flush();
                m_out.close();
                m_out = null;
                m_CommPortPrinter = null;
                m_PortIdPrinter = null;
            }
        } catch (IOException e) {
            logger.log(Level.SEVERE, e.getMessage(), e);
        }
    }
}