package ClassUti;

    import java.io.*;
    import java.util.*;
    import javax.comm.*;

public class SimpleWrite {
    
    public SimpleWrite(){}
    
    Enumeration	      portList;
    CommPortIdentifier portId;
    SerialPort	      serialPort;
    OutputStream       outputStream;
    boolean	      outputBufferEmptyFlag = false;
    private String	      messageString;
    private String Port;

    public String getMessageString() {
        return messageString;
    }

    public void setMessageString(String messageString) {
        this.messageString = messageString;
    }
    
    public String getPort() {
        return Port;
    }

    public void setPort(String Port) {
        this.Port = Port;
    }
    
    public void Envoyer() {
	boolean portFound = false;
        int i = 0;
	String  defaultPort = getPort();
                //= "/dev/term/a";
	portList = CommPortIdentifier.getPortIdentifiers();
	while (portList.hasMoreElements()) {
	    portId = (CommPortIdentifier) portList.nextElement();
	    if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
               if(i==0){
		if (portId.getName().equals(defaultPort)) {
                    
		    //System.out.println("Found port " + defaultPort);
		    portFound = true;
		    try {
			serialPort = (SerialPort) portId.open("SimpleWrite", 2000);
		    } catch (PortInUseException e) {
			//System.out.println("Port in use.");
			continue;
		    } 

		    try {
			outputStream = serialPort.getOutputStream();
		    } catch (IOException e) {}

		    try {
			serialPort.setSerialPortParams(9600, 
						       SerialPort.DATABITS_8, 
						       SerialPort.STOPBITS_1, 
						       SerialPort.PARITY_NONE);
		    } catch (UnsupportedCommOperationException e) {}
	
		    try {
		    	serialPort.notifyOnOutputEmpty(true);
		    } catch (Exception e) {
			System.out.println("Error setting event notification");
			System.out.println(e.toString());
			//System.exit(-1);
		    }
		  	    
		    //System.out.println("Writing \""+getMessageString()+"\" to "+serialPort.getName());

		    try {
			outputStream.write(getMessageString().getBytes());
		    } catch (IOException e) {}

		    try {
		       Thread.sleep(2000);
		    } catch (Exception e) {}
		    serialPort.close();
		    //System.exit(1);
                    i = 1;
		} 
              } // fin boucle i cette condition c'est pour ne pa envoyer 2 foie le message
	    } 
	} 

	if (!portFound) {
	    System.out.println("port " + defaultPort + " not found.");
	} 
    }

    
}