net.sf.microlog.server.btspp.gui.MicrologBluetoothServerUI Maven / Gradle / Ivy
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A Bluetooth server for Microlog with a GUI.
package net.sf.microlog.server.btspp.gui;
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executor;
import java.util.concurrent.Executors;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JMenu;
import javax.swing.JMenuBar;
import javax.swing.JMenuItem;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import net.sf.microlog.midp.bluetooth.BluetoothServerListener;
import net.sf.microlog.midp.bluetooth.server.BluetoothSerialServerThread;
public class MicrologBluetoothServerUI implements BluetoothServerListener {
private final static String newline = "\n";
private final String btAddress;
public JFrame frame;
private JTextField serverURLTextField;
private JLabel statusLabel;
private List connectedClients = new ArrayList();
private Object clientConnectionLock = new Object();
private JTextArea textArea;
private JList clientList;
private JScrollPane logScrollPane;
/**
* Launch the application
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
MicrologBluetoothServerUI window = new MicrologBluetoothServerUI();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*
* @wbp.parser.entryPoint
*/
public MicrologBluetoothServerUI() {
initialize();
BluetoothSerialServerThread btThread = new BluetoothSerialServerThread();
btThread.setServerListener(this);
btAddress = btThread.getLocalBtAddress();
Executor executor = Executors.newSingleThreadExecutor();
executor.execute(btThread);
}
public void serverStarted(String url) {
getServerURLTextField().setText(url);
getStatusLabel().setText("Running");
}
public void clientAccepted(String address, String name) {
synchronized (clientConnectionLock) {
System.out.println("clientAccepted()");
connectedClients.add(name);
getClientList().setListData(connectedClients.toArray());
}
}
public synchronized void messageReceived(String message) {
if (message != null && message.length() > 0) {
JTextArea textArea = getTextArea();
textArea.append(message);
textArea.append(newline);
textArea.setCaretPosition(textArea.getDocument().getLength());
}
}
public synchronized void clientDisconnected(String address, String name) {
synchronized (clientConnectionLock) {
System.out.println("clientDisconnected()");
connectedClients.remove(name);
getClientList().setListData(connectedClients.toArray());
}
}
public void shutdown() {
System.exit(0);
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frame = new JFrame();
frame.setTitle("Microlog Bluetooth Server");
{
JMenuBar menuBar = new JMenuBar();
frame.setJMenuBar(menuBar);
{
JMenu mnFile = new JMenu("File");
menuBar.add(mnFile);
{
JMenuItem mntmSaveLogAs = new JMenuItem("Save Log As ...");
mntmSaveLogAs.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
showSaveLogFileAsDialog();
}
});
{
JMenuItem mntmClearLog = new JMenuItem("Clear Log");
mntmClearLog.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
getTextArea().setText("");
}
});
mnFile.add(mntmClearLog);
}
mnFile.add(mntmSaveLogAs);
}
{
JMenuItem mntmExit = new JMenuItem("Exit");
mntmExit.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
mnFile.add(mntmExit);
}
}
{
JMenu mnHelp = new JMenu("Help");
menuBar.add(mnHelp);
{
JMenuItem mntmBtAddress = new JMenuItem("Server Bluetooth address");
mntmBtAddress.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
JOptionPane.showMessageDialog(null, btAddress, "Server Bluetooth address", JOptionPane.INFORMATION_MESSAGE);
}
});
mnHelp.add(mntmBtAddress);
JMenuItem mntmAbout = new JMenuItem("About");
mntmAbout.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
AboutDialog aboutDialog = new AboutDialog();
aboutDialog.setModal(true);
aboutDialog.setVisible(true);
}
});
mnHelp.add(mntmAbout);
}
}
}
frame.setBounds(100, 100, 793, 499);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
{
JPanel topPanel = new JPanel();
FlowLayout flowLayout = (FlowLayout) topPanel.getLayout();
flowLayout.setAlignment(FlowLayout.LEFT);
frame.getContentPane().add(topPanel, BorderLayout.NORTH);
{
JLabel lblServerUrl = new JLabel("Server URL:");
topPanel.add(lblServerUrl);
}
{
serverURLTextField = new JTextField();
serverURLTextField.setEditable(false);
topPanel.add(serverURLTextField);
serverURLTextField.setColumns(40);
}
}
{
JPanel statusPanel = new JPanel();
FlowLayout flowLayout = (FlowLayout) statusPanel.getLayout();
flowLayout.setAlignment(FlowLayout.LEFT);
frame.getContentPane().add(statusPanel, BorderLayout.SOUTH);
{
JLabel lblServerStatus = new JLabel("Server Status:");
statusPanel.add(lblServerStatus);
}
{
statusLabel = new JLabel("Not Started");
statusPanel.add(statusLabel);
}
}
{
JSplitPane splitPane = new JSplitPane();
frame.getContentPane().add(splitPane, BorderLayout.CENTER);
{
JScrollPane clientScrollPane = new JScrollPane();
splitPane.setLeftComponent(clientScrollPane);
{
clientList = new JList();
clientList.setListData(connectedClients.toArray());
clientScrollPane.setViewportView(clientList);
}
}
{
logScrollPane = new JScrollPane();
splitPane.setRightComponent(logScrollPane);
{
textArea = new JTextArea();
logScrollPane.setViewportView(textArea);
}
}
}
}
protected JTextArea getTextArea() {
return textArea;
}
/**
* Save the log file as ...
*/
private void showSaveLogFileAsDialog() {
// Create a file chooser
final JFileChooser fileChooser = new JFileChooser();
// In response to a button click:
int returnVal = fileChooser.showSaveDialog(frame);
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = fileChooser.getSelectedFile();
saveLogFile(file);
}
}
private void saveLogFile(File file) {
// Create the file if it does not exists
if (!file.exists()) {
try {
boolean created = file.createNewFile();
if (!created) {
// TODO inform the user that it is trying to overwrite an
// existing file.
}
} catch (IOException e) {
e.printStackTrace();
}
}
Writer output = null;
try {
output = new BufferedWriter(new FileWriter(file));
String logText = getTextArea().getText();
output.write(logText);
} catch (IOException e) {
e.printStackTrace();
} finally {
if (output != null) {
try {
output.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
protected JTextField getServerURLTextField() {
return serverURLTextField;
}
protected JLabel getStatusLabel() {
return statusLabel;
}
protected JList getClientList() {
return clientList;
}
protected JScrollPane getLogScrollPane() {
return logScrollPane;
}
}