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/*
* Copyright (c) Ian F. Darwin, http://www.darwinsys.com/, 1996-2002.
* All rights reserved. Software written by Ian F. Darwin and others.
* $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Java, the Duke mascot, and all variants of Sun's Java "steaming coffee
* cup" logo are trademarks of Sun Microsystems. Sun's, and James Gosling's,
* pioneering role in inventing and promulgating (and standardizing) the Java
* language and environment is gratefully acknowledged.
*
* The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
* inventing predecessor languages C and C++ is also gratefully acknowledged.
*/
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.KeyEvent;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.Writer;
import java.util.Enumeration;
import java.util.HashMap;
import javax.comm.CommPortIdentifier;
import javax.comm.PortInUseException;
import javax.comm.SerialPort;
import javax.comm.UnsupportedCommOperationException;
import javax.swing.ButtonGroup;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/**
* JModem - simple communications program.
* WARNING this file was built with the NetBeans Developer IDE
* and parts of it should not be modified with a text editor.
* @author Ian F. Darwin, http://www.darwinsys.com/
* @version $Id: JModem.java,v 1.18 2004/04/11 23:50:40 ian Exp $
*/
public class JModem extends javax.swing.JFrame {
/** The Model. */
JMModel theModel;
/** The TextArea */
JTextArea theTextArea;
/** The courier font for the text areas and fields. */
protected Font plainFont;
/** The valid baud rates (actually BPS rates). */
private int[] baudot = { 9600, 19200, 38400, 57600, 115200 };
/** The types of remote systems. */
private String sysTypes[] = { "Unix", "DOS", "Other" };
private int M_RECEIVE = -1, M_SEND = +1;
private int xferDirection = M_RECEIVE;
/** Constructor */
public JModem() {
theModel = new JMModel(this);
initComponents();
finishConstructor();
pack();
}
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the FormEditor.
*/
private void initComponents () {//GEN-BEGIN:initComponents
setTitle ("JModem");
addWindowListener (new java.awt.event.WindowAdapter () {
public void windowClosing (java.awt.event.WindowEvent evt) {
exitForm (evt);
}
}
);
getContentPane ().setLayout (new java.awt.BorderLayout ());
jMenuBar1 = new javax.swing.JMenuBar ();
fileMenu = new javax.swing.JMenu ();
fileMenu.setText ("File");
saveLogFileMenuItem = new javax.swing.JMenuItem ();
saveLogFileMenuItem.setText ("Save Log");
saveLogFileMenuItem.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
saveLogFileMenuItemActionPerformed (evt);
}
}
);
fileMenu.add(saveLogFileMenuItem);
fileMenu.addSeparator();
exitMenuItem = new javax.swing.JMenuItem ();
exitMenuItem.setText ("Exit");
exitMenuItem.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
exitMenuItemActionPerformed (evt);
}
}
);
fileMenu.add(exitMenuItem);
jMenuBar1.add(fileMenu);
helpMenu = new javax.swing.JMenu ();
helpMenu.setText ("Help");
helpAboutMenuItem = new javax.swing.JMenuItem ();
helpAboutMenuItem.setText ("Item");
helpAboutMenuItem.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
helpAboutMenuItemActionPerformed (evt);
}
}
);
helpMenu.add(helpAboutMenuItem);
jMenuBar1.add(helpMenu);
setJMenuBar(jMenuBar1);
connectPanel = new javax.swing.JPanel ();
connectPanel.setLayout (new java.awt.FlowLayout ());
connectPanelLabel = new javax.swing.JLabel ();
connectPanelLabel.setText ("Connection");
connectPanelLabel.setForeground (java.awt.Color.red);
connectPanel.add (connectPanelLabel);
portsLabel = new javax.swing.JLabel ();
portsLabel.setText ("Port:");
connectPanel.add (portsLabel);
portsComboBox = new javax.swing.JComboBox ();
portsComboBox.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
portsComboBoxActionPerformed (evt);
}
}
);
connectPanel.add (portsComboBox);
buadLabel = new javax.swing.JLabel ();
buadLabel.setText ("Speed");
connectPanel.add (buadLabel);
baudComboBox = new javax.swing.JComboBox ();
baudComboBox.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
baudComboBoxActionPerformed (evt);
}
}
);
connectPanel.add (baudComboBox);
databitsPanel = new javax.swing.JPanel ();
databitsPanel.setPreferredSize (new java.awt.Dimension(50, 50));
databitsPanel.setMinimumSize (new java.awt.Dimension(0, 0));
databitsPanel.setLayout (new javax.swing.BoxLayout (databitsPanel, 1));
d7RadioButton = new javax.swing.JRadioButton ();
d7RadioButton.setText ("7");
databitsPanel.add (d7RadioButton);
d8RadioButton = new javax.swing.JRadioButton ();
d8RadioButton.setSelected (true);
d8RadioButton.setText ("8");
databitsPanel.add (d8RadioButton);
connectPanel.add (databitsPanel);
parityPanel = new javax.swing.JPanel ();
parityPanel.setPreferredSize (new java.awt.Dimension(50, 50));
parityPanel.setLayout (new javax.swing.BoxLayout (parityPanel, 1));
pNoneRadioButton = new javax.swing.JRadioButton ();
pNoneRadioButton.setSelected (true);
pNoneRadioButton.setText ("None");
pNoneRadioButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
pNoneRadioButtonActionPerformed (evt);
}
}
);
parityPanel.add (pNoneRadioButton);
pEvenRadioButton = new javax.swing.JRadioButton ();
pEvenRadioButton.setText ("Even");
pEvenRadioButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
evenRadioButtonActionPerformed (evt);
}
}
);
parityPanel.add (pEvenRadioButton);
pOddRadioButton = new javax.swing.JRadioButton ();
pOddRadioButton.setText ("Odd");
pOddRadioButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
oddRadioButtonActionPerformed (evt);
}
}
);
parityPanel.add (pOddRadioButton);
connectPanel.add (parityPanel);
sysTypeLabel = new javax.swing.JLabel ();
sysTypeLabel.setText ("Remote:");
connectPanel.add (sysTypeLabel);
sysTypeComboBox = new javax.swing.JComboBox ();
sysTypeComboBox.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
sysTypeComboBoxActionPerformed (evt);
}
}
);
connectPanel.add (sysTypeComboBox);
connectButton = new javax.swing.JButton ();
connectButton.setText ("Connect");
connectButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
connectButtonActionPerformed (evt);
}
}
);
connectPanel.add (connectButton);
getContentPane().add(connectPanel, BorderLayout.NORTH);
xferPanel = new javax.swing.JPanel ();
xferPanel.setLayout (new java.awt.FlowLayout ());
xferPanelLabel = new javax.swing.JLabel ();
xferPanelLabel.setText ("File Transfer");
xferPanelLabel.setForeground (java.awt.Color.red);
xferPanel.add (xferPanelLabel);
jPanel6 = new javax.swing.JPanel ();
jPanel6.setLayout (new javax.swing.BoxLayout (jPanel6, 1));
sendRadioButton = new javax.swing.JRadioButton ();
sendRadioButton.setSelected (true);
sendRadioButton.setText ("Send");
sendRadioButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
sendRadioButtonActionPerformed (evt);
}
}
);
jPanel6.add (sendRadioButton);
recvRadioButton = new javax.swing.JRadioButton ();
recvRadioButton.setText ("Receive");
recvRadioButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
recvRadioButtonActionPerformed (evt);
}
}
);
jPanel6.add (recvRadioButton);
xferPanel.add (jPanel6);
xferFilenameLabel = new javax.swing.JLabel ();
xferFilenameLabel.setText ("Filename:");
xferPanel.add (xferFilenameLabel);
xferFileNameTF = new javax.swing.JTextField ();
xferFileNameTF.setPreferredSize (new java.awt.Dimension(100, 20));
xferPanel.add (xferFileNameTF);
jPanel7 = new javax.swing.JPanel ();
jPanel7.setLayout (new javax.swing.BoxLayout (jPanel7, 1));
xferModeTextRadioButton = new javax.swing.JRadioButton ();
xferModeTextRadioButton.setText ("Text");
jPanel7.add (xferModeTextRadioButton);
xferModeBinRadioButton = new javax.swing.JRadioButton ();
xferModeBinRadioButton.setSelected (true);
xferModeBinRadioButton.setText ("Binary");
jPanel7.add (xferModeBinRadioButton);
xferPanel.add (jPanel7);
xferButton = new javax.swing.JButton ();
xferButton.setText ("Transfer");
xferButton.addActionListener (new java.awt.event.ActionListener () {
public void actionPerformed (java.awt.event.ActionEvent evt) {
xferButtonActionPerformed (evt);
}
}
);
xferPanel.add (xferButton);
getContentPane ().add (xferPanel, BorderLayout.SOUTH);
}//GEN-END:initComponents
/** Save the session log to disk.
*/
private void saveLogFileMenuItemActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_saveLogFileMenuItemActionPerformed
theModel.saveLogFile();
}//GEN-LAST:event_saveLogFileMenuItemActionPerformed
private void helpAboutMenuItemActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_helpAboutMenuItemActionPerformed
note("JModem 0.0 (c) 2000 Ian F. Darwin\nhttp://www.darwinsys.com/");
}//GEN-LAST:event_helpAboutMenuItemActionPerformed
private void baudComboBoxActionPerformed (java.awt.event.ActionEvent evt) {
// Add your handling code here:
}
private void portsComboBoxActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_portsComboBoxActionPerformed
// Add your handling code here:
}//GEN-LAST:event_portsComboBoxActionPerformed
/** A TextArea subclass with funky keypress forwarding: send to
* remote, not to local. This IS a terminal emulator, after all.
*/
class MyTextArea extends JTextArea {
MyTextArea(int r, int c) {
super(r, c);
}
/** Handle local KeyEvents: send KeyTyped to the remote. */
protected void processComponentKeyEvent(java.awt.event.KeyEvent evt) {
if (evt.getID() != KeyEvent.KEY_TYPED)
return;
// send keystrokes to remote, for processing.
// do nothing locally, to avoid user keystrokes appearing twice!
if (theModel.state != JMModel.S_CONNECTED) {
getToolkit().beep(); // or just connect()?
return;
}
char ch = evt.getKeyChar();
if (ch == '\n') { // XX if systemtype == dos
// sendChar('\r');
theModel.sendChar('\n');
return;
}
theModel.sendChar(ch);
}
}
/** Finish the initializations. */
private void finishConstructor() {
// Create the textarea with a JScrollpane wrapping it.
// Install it in Centre of the TextArea.
theTextArea = new MyTextArea(20, 80);
getContentPane().add(new JScrollPane(theTextArea), BorderLayout.CENTER);
plainFont = new Font("courier", Font.PLAIN, 13);
theTextArea.setFont(plainFont);
xferFileNameTF.setFont(plainFont);
theModel.populateComboBox();
portsComboBox.setSelectedIndex(0);
// Load up the baud rate combo box
for (int i=0; i<baudot.length; i++) {
baudComboBox.addItem(Integer.toString(baudot[i]));
}
baudComboBox.setSelectedIndex(0);
// Load up the System Type combo box
for (int i=0; i<sysTypes.length; i++) {
sysTypeComboBox.addItem(sysTypes[i]);
}
sysTypeComboBox.setSelectedIndex(0);
// put radio buttons into groups to enforce single-selection
ButtonGroup b1 = new ButtonGroup();
b1.add(d7RadioButton);
b1.add(d8RadioButton);
ButtonGroup b2 = new ButtonGroup();
b2.add(pNoneRadioButton);
b2.add(pEvenRadioButton);
b2.add(pOddRadioButton);
ButtonGroup b3 = new ButtonGroup();
b3.add(sendRadioButton);
b3.add(recvRadioButton);
ButtonGroup b4 = new ButtonGroup();
b4.add(xferModeTextRadioButton);
b4.add(xferModeBinRadioButton);
xferModeBinRadioButton.setEnabled(true);
}
private void recvRadioButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_recvRadioButtonActionPerformed
xferDirection = M_RECEIVE;
}//GEN-LAST:event_recvRadioButtonActionPerformed
private void sendRadioButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sendRadioButtonActionPerformed
xferDirection = M_SEND;
}//GEN-LAST:event_sendRadioButtonActionPerformed
private void exitMenuItemActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitMenuItemActionPerformed
System.exit(0);
}//GEN-LAST:event_exitMenuItemActionPerformed
private void sysTypeComboBoxActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sysTypeComboBoxActionPerformed
// Add your handling code here:
}//GEN-LAST:event_sysTypeComboBoxActionPerformed
private void pNoneRadioButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_pNoneRadioButtonActionPerformed
// Add your handling code here:
}//GEN-LAST:event_pNoneRadioButtonActionPerformed
private void oddRadioButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_oddRadioButtonActionPerformed
// Add your handling code here:
}//GEN-LAST:event_oddRadioButtonActionPerformed
private void evenRadioButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_evenRadioButtonActionPerformed
// Add your handling code here:
}//GEN-LAST:event_evenRadioButtonActionPerformed
/** This method basically toggles between Connected mode and
* disconnected mode.
*/
private void connectButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_connectButtonActionPerformed
if (theModel.state == JMModel.S_CONNECTED) {
theModel.disconnect(); // calls our disconnect() if OK
} else {
theModel.connect(); // calls our connect() if OK
}
}//GEN-LAST:event_connectButtonActionPerformed
/** Show that we have connected to the serial port. */
void connect() {
connectButton.setText("Disconnect");
theTextArea.setEditable(true);
theTextArea.requestFocus();
}
/** Show that we have connected to the serial port. */
void disconnect() {
connectButton.setText("Connect");
theTextArea.setEditable(false);
}
private void xferButtonActionPerformed (java.awt.event.ActionEvent evt) {//GEN-FIRST:event_xferButtonActionPerformed
// Do the transfer, using TModem class.
theModel.xfer();
}//GEN-LAST:event_xferButtonActionPerformed
/** Exit the Application */
private void exitForm(java.awt.event.WindowEvent evt) {//GEN-FIRST:event_exitForm
System.exit (0);
}//GEN-LAST:event_exitForm
// Some of these must be package-level visibility for JMModel,
// until we re-define the interface to that class a little...
// Variables declaration - do not modify//GEN-BEGIN:variables
private javax.swing.JPanel connectPanel;
private javax.swing.JPanel xferPanel;
private javax.swing.JLabel connectPanelLabel;
private javax.swing.JLabel portsLabel;
protected javax.swing.JComboBox portsComboBox;
private javax.swing.JLabel buadLabel;
protected javax.swing.JComboBox baudComboBox;
private javax.swing.JPanel databitsPanel;
private javax.swing.JPanel parityPanel;
private javax.swing.JLabel sysTypeLabel;
private javax.swing.JComboBox sysTypeComboBox;
private javax.swing.JButton connectButton;
private javax.swing.JRadioButton d7RadioButton;
private javax.swing.JRadioButton d8RadioButton;
private javax.swing.JRadioButton pNoneRadioButton;
private javax.swing.JRadioButton pEvenRadioButton;
private javax.swing.JRadioButton pOddRadioButton;
private javax.swing.JLabel xferPanelLabel;
private javax.swing.JPanel jPanel6;
private javax.swing.JLabel xferFilenameLabel;
private javax.swing.JTextField xferFileNameTF;
private javax.swing.JPanel jPanel7;
private javax.swing.JButton xferButton;
private javax.swing.JRadioButton sendRadioButton;
private javax.swing.JRadioButton recvRadioButton;
private javax.swing.JRadioButton xferModeTextRadioButton;
private javax.swing.JRadioButton xferModeBinRadioButton;
private javax.swing.JMenuBar jMenuBar1;
private javax.swing.JMenu fileMenu;
private javax.swing.JMenu helpMenu;
private javax.swing.JMenuItem saveLogFileMenuItem;
private javax.swing.JMenuItem exitMenuItem;
private javax.swing.JMenuItem helpAboutMenuItem;
// End of variables declaration//GEN-END:variables
/** Tell if the user wants 7 or 8-bit words */
public int getDataBits() {
if (d7RadioButton.isSelected())
return 7;
if (d8RadioButton.isSelected())
return 8;
throw new IllegalStateException("No word size in radio button group");
}
/** Tell if the user wants even, odd, or no parity. */
public int getParity() {
if (pNoneRadioButton.isSelected()) return JMModel.PARITY_NONE;
if (pEvenRadioButton.isSelected()) return JMModel.PARITY_EVEN;
if (pOddRadioButton.isSelected()) return JMModel.PARITY_ODD;
throw new IllegalStateException("No parity in radio button group");
}
/** Get the filename */
public String getXferFileName() {
return xferFileNameTF.getText();
}
/** "One if by send, two if receive" */
public boolean isSend() {
if (sendRadioButton.isSelected())
return true;
if (recvRadioButton.isSelected())
return false;
throw new IllegalStateException("No send/recv set in radio button group");
}
/** Convenience routine: Show a standard-form information dialog */
void note(String message) {
JOptionPane.showMessageDialog(this, message,
"JModem Notice", JOptionPane.INFORMATION_MESSAGE);
return;
}
/** Convenience routine: Show a standard-form error dialog */
void err(String message) {
JOptionPane.showMessageDialog(this, message,
"JModem Error", JOptionPane.ERROR_MESSAGE);
return;
}
/** Main: just create and show the application class. */
public static void main(java.lang.String[] args) {
new JModem().setVisible(true);
}
}
/**
* JMModel -- Communications I/O for JModem. No GUI stuff here.
* @author Ian F. Darwin, http://www.darwinsys.com/
* @version $Id: JMModel.java,v 1.4 2004/04/11 23:50:40 ian Exp $
*/
class JMModel extends java.lang.Object {
/** The View */
JModem theGUI;
/** The javax.com.CommPort object in use */
private SerialPort thePort;
/** The input and output streams */
private InputStream serialInput;
private OutputStream serialOutput;
/** The size of the static read buffer. */
protected static final int BUFSIZE = 1024;
/** A buffer for the read listener; preallocated once. */
static byte[] buf = new byte[BUFSIZE];
/** A Thread for reading from the remote. */
protected Thread serialReadThread;
/** A file transfer program */
protected TModem xferProg;
/** The state for disconnected and connected */
static int S_DISCONNECTED = 0, S_CONNECTED = 1;
/** The state, either disconnected or connected */
int state = S_DISCONNECTED;
/** The substate settings */
static int S_INTERACT = 0, S_XFER = 1;
/** The online state, either interactive or in xfer. Used by the
* main reader thread to avoid reading data meant for the xfer program.
*/
int submode = S_INTERACT;
// Constants to hide the Comm API from our GUI.
public final static int PARITY_NONE = SerialPort.PARITY_NONE;
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