Colony

import java.io.*;

import java.util.Enumeration;

import gnu.io.*;

import java.lang.Character;

public class SimpleSerial {

        public static void main(String[] args) {

                String port_path = "/dev/ttyUSB0";

/*

                FileInputStream port_stream;

                try {

                        port_stream = new FileInputStream(port_path);

                } catch (IOException e) {

                        System.out.print(e);

                }

                port_stream.getFD()

*/

                Enumeration ports = CommPortIdentifier.getPortIdentifiers();

                CommPortIdentifier port = null, arduino = null;

                SerialPort ser = null;

                InputStream inSt = null;

                while (ports.hasMoreElements()) {

                        port = (CommPortIdentifier)ports.nextElement();

                        System.out.println(port.getName());

                        if (port.getName().equals("/dev/arduino")) {

                                arduino = port;

                        }

                }

                System.out.println(arduino.getName());

                try{

                        ser = (SerialPort) arduino.open("cal_sta_server", 2000);

                } catch (PortInUseException e) {System.out.print(e);}

                try {

                    inSt = ser.getInputStream();

                } catch (IOException e) {System.out.print(e);}

                try {

                    ser.setSerialPortParams(19200, SerialPort.DATABITS_8, 

                                                   SerialPort.STOPBITS_1, 

                                                   SerialPort.PARITY_NONE);

                } catch (UnsupportedCommOperationException e) {}

                while (true) {

                        try {

                                if (inSt.available() > 0) {

                                        System.out.print((char)inSt.read());

                                }

                        } catch (IOException e) {System.out.print(e);}

                }

        }

}