Scale map fonts when window is resized.

mark.george / democall3

Browse code Scale map fonts when window is resized. master
1 parent 7361b4d commit 07d7614635d85208d4488376d431ae22638085fc Mark authored on 22 Sep 2012

Patch

Showing 5 changed files

Ignore Space Show notes View src/clients/StudentClient.java
package clients; import constants.Constants; import discovery.computername.ComputerNameResolver; import discovery.computername.InvalidComputerNameException; import discovery.computername.OtagoComputerNameResolver; import discovery.server.ServiceLocator; import discovery.server.ServiceNotFoundException; import java.awt.; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.logging.Level; import java.util.logging.Logger; import network.MessageGenerator; import network.RequestSender; / * The student's client for requesting help. * * It adds a system tray icon that has a pop-up menu that the student can use to * request help or cancel their request. Requests are automatically canceled * when the student clicks the "exit" menu item, or the client is terminated by * the OS (via a shutdown hook) meaning there should never be requests in the * queue for students who have gone home. * * This aims to be both simple and robust, therefor the StudentClient stores no * state relating to requests, uses no persistent connections to the server, and * receives no information from the server. * * The client uses a multi-cast broadcast to discover the IP of the server, * which it then uses to send requests to the server. * * The wire protocol is very simple. A string in the form "request 23" is a * request for from the machine with ID 23, and "cancel 23" will cancel that * request. Sending multiple "request" commands or multiple "cancel" commands to * the server should cause no duplication or problems on the server and are * effectively ignored. * * @author Mark / public class StudentClient { private static final Logger LOG = Logger.getLogger(StudentClient.class.getName()); private final PopupMenu trayPopopMenu = new PopupMenu(); private final Image trayIconImage = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/icon.png")); private final TrayIcon systemTrayIcon = new TrayIcon(trayIconImage, "Demo Call " + Constants.VERSION, trayPopopMenu); private final MessageGenerator generator = new MessageGenerator(); private String machineId; private RequestSender requestSender; private boolean foundServer = false; private final Thread shutDownHook = new Thread() { @Override public void run() { cleanUp(); } }; public StudentClient(final ComputerNameResolver nameResolver) { try { createTrayMenu(); // not sure this is necessary but Windows is currently not exiting // when the shutdown hook kicks in... this.shutDownHook.setDaemon(true); Runtime.getRuntime().addShutdownHook(this.shutDownHook); try { nameResolver.resolve(); } catch (InvalidComputerNameException ex) { this.systemTrayIcon.displayMessage("Whoops", ex.getMessage(), TrayIcon.MessageType.ERROR); // give user a chance to read message Thread.sleep(5000); // shutdown exit(); } final String lab = nameResolver.getLabName(); this.machineId = nameResolver.getMachineId(); // find server IP (uses network multicast) final String serverIp = new ServiceLocator().locateServer(lab); this.foundServer = true; this.requestSender = new RequestSender(serverIp); } catch (ServiceNotFoundException ex) { this.systemTrayIcon.displayMessage("Whoops", "Could not connect to server. Please try again and let the supervisor know if it continues to happen.", TrayIcon.MessageType.ERROR); } catch (Exception ex) { LOG.log(Level.SEVERE, null, ex); } } private void createTrayMenu() { try { this.systemTrayIcon.setImageAutoSize(true); final MenuItem request = new MenuItem("Request Help"); request.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { makeRequest(); } }); final MenuItem cancel = new MenuItem("Cancel Request"); cancel.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { cancelRequest(); } }); final MenuItem exit = new MenuItem("Exit"); exit.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { exit(); } }); this.trayPopopMenu.add(request); this.trayPopopMenu.add(cancel); this.trayPopopMenu.addSeparator(); this.trayPopopMenu.add(exit); SystemTray.getSystemTray().add(this.systemTrayIcon); } catch (Exception ex) { LOG.log(Level.SEVERE, null, ex); } } private void makeRequest() { try { requestSender.sendRequest(generator.requestHelp(machineId)); systemTrayIcon.displayMessage("Help is on the way", "Your request is now in the queue.", TrayIcon.MessageType.INFO); } catch (Exception ex) { systemTrayIcon.displayMessage("Whoops", "Failed to make request", TrayIcon.MessageType.ERROR); LOG.log(Level.SEVERE, "Error making request", ex); } } private void cancelRequest() { try { requestSender.sendRequest(generator.cancelRequest(machineId)); systemTrayIcon.displayMessage("Request removed", "Your request has been removed from the queue.", TrayIcon.MessageType.INFO); } catch (Exception ex) { systemTrayIcon.displayMessage("Whoops", "Failed to cancel request", TrayIcon.MessageType.ERROR); LOG.log(Level.SEVERE, "Error cancelling request", ex); } } private void exit() { this.cleanUp(); // force an exit since they are several threads lurking around that could keep the process running System.exit(0); } private void cleanUp() { // cancel any requests the student has made if (this.foundServer) { cancelRequest(); } // remove the tray icon from the system tray SystemTray.getSystemTray().remove(systemTrayIcon); } @SuppressWarnings("ResultOfObjectAllocationIgnored") public static void main(final String[] args) { // final String name = "SBEASTCAL1-30"; final String name = args.length > 0 ? args[0] : null; final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME"); new StudentClient(nameResolver); } } package clients; import constants.Constants; import discovery.computername.ComputerNameResolver; import discovery.computername.InvalidComputerNameException; import discovery.computername.OtagoComputerNameResolver; import discovery.server.ServiceLocator; import discovery.server.ServiceNotFoundException; import java.awt.; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.util.Timer; import java.util.logging.Level; import java.util.logging.Logger; import network.MessageGenerator; import network.RequestSender; /* * The student's client for requesting help. * * It adds a system tray icon that has a pop-up menu that the student can use to * request help or cancel their request. Requests are automatically canceled * when the student clicks the "exit" menu item, or the client is terminated by * the OS (via a shutdown hook) meaning there should never be requests in the * queue for students who have gone home. * * This aims to be both simple and robust, therefor the StudentClient stores no * state relating to requests, uses no persistent connections to the server, and * receives no information from the server. * * The client uses a multi-cast broadcast to discover the IP of the server, * which it then uses to send requests to the server. * * The wire protocol is very simple. A string in the form "request 23" is a * request for from the machine with ID 23, and "cancel 23" will cancel that * request. Sending multiple "request" commands or multiple "cancel" commands to * the server should cause no duplication or problems on the server and are * effectively ignored. * * @author Mark */ public class StudentClient { private static final Logger LOG = Logger.getLogger(StudentClient.class.getName()); private final PopupMenu trayPopopMenu = new PopupMenu(); private final Image trayIconImage = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/icon.png")); private final TrayIcon systemTrayIcon = new TrayIcon(trayIconImage, "Demo Call " + Constants.VERSION, trayPopopMenu); private final MessageGenerator generator = new MessageGenerator(); private String machineId; private RequestSender requestSender; private boolean foundServer = false; private final Thread shutDownHook = new Thread() { @Override public void run() { cleanUp(); } }; public StudentClient(final ComputerNameResolver nameResolver) { try { createTrayMenu(); // not sure this is necessary but Windows is currently not exiting // when the shutdown hook kicks in... this.shutDownHook.setDaemon(true); Runtime.getRuntime().addShutdownHook(this.shutDownHook); try { nameResolver.resolve(); } catch (InvalidComputerNameException ex) { this.systemTrayIcon.displayMessage("Whoops", ex.getMessage(), TrayIcon.MessageType.ERROR); // give user a chance to read message Thread.sleep(5000); // shutdown exit(); } final String lab = nameResolver.getLabName(); this.machineId = nameResolver.getMachineId(); // find server IP (uses network multicast) final String serverIp = new ServiceLocator().locateServer(lab); this.foundServer = true; this.requestSender = new RequestSender(serverIp); } catch (ServiceNotFoundException ex) { this.systemTrayIcon.displayMessage("Whoops", "Could not connect to server. Please try again and let the supervisor know if it continues to happen.", TrayIcon.MessageType.ERROR); } catch (Exception ex) { LOG.log(Level.SEVERE, null, ex); } } private void createTrayMenu() { try { this.systemTrayIcon.setImageAutoSize(true); final MenuItem request = new MenuItem("Request Help"); request.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { makeRequest(); } }); final MenuItem cancel = new MenuItem("Cancel Request"); cancel.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { cancelRequest(); } }); final MenuItem exit = new MenuItem("Exit"); exit.addActionListener(new ActionListener() { public void actionPerformed(final ActionEvent e) { exit(); } }); this.trayPopopMenu.add(request); this.trayPopopMenu.add(cancel); this.trayPopopMenu.addSeparator(); this.trayPopopMenu.add(exit); SystemTray.getSystemTray().add(this.systemTrayIcon); } catch (Exception ex) { LOG.log(Level.SEVERE, null, ex); } } private void makeRequest() { try { requestSender.sendRequest(generator.requestHelp(machineId)); systemTrayIcon.displayMessage("Help is on the way", "Your request is now in the queue.", TrayIcon.MessageType.INFO); } catch (Exception ex) { systemTrayIcon.displayMessage("Whoops", "Failed to make request", TrayIcon.MessageType.ERROR); LOG.log(Level.SEVERE, "Error making request", ex); } } private void cancelRequest() { try { requestSender.sendRequest(generator.cancelRequest(machineId)); systemTrayIcon.displayMessage("Request removed", "Your request has been removed from the queue.", TrayIcon.MessageType.INFO); } catch (Exception ex) { systemTrayIcon.displayMessage("Whoops", "Failed to cancel request", TrayIcon.MessageType.ERROR); LOG.log(Level.SEVERE, "Error cancelling request", ex); } } private void exit() { this.cleanUp(); // force an exit since they are several threads lurking around that could keep the process running System.exit(0); } private void cleanUp() { // cancel any requests the student has made if (this.foundServer) { cancelRequest(); } // remove the tray icon from the system tray SystemTray.getSystemTray().remove(systemTrayIcon); } @SuppressWarnings("ResultOfObjectAllocationIgnored") public static void main(final String[] args) { final String name = "SBEASTCAL1-30"; // final String name = args.length > 0 ? args[0] : null; final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME"); new StudentClient(nameResolver); } }

Ignore Space Show notes View

src/clients/StudentClient.java

package clients;

/*
 * The student's client for requesting help.
 *
 * It adds a system tray icon that has a pop-up menu that the student can use to
 * request help or cancel their request. Requests are automatically canceled
 * when the student clicks the "exit" menu item, or the client is terminated by
 * the OS (via a shutdown hook) meaning there should never be requests in the
 * queue for students who have gone home.
 *
 * This aims to be both simple and robust, therefor the StudentClient stores no
 * state relating to requests, uses no persistent connections to the server, and
 * receives no information from the server.
 *
 * The client uses a multi-cast broadcast to discover the IP of the server,
 * which it then uses to send requests to the server.
 *
 * The wire protocol is very simple. A string in the form "request 23" is a
 * request for from the machine with ID 23, and "cancel 23" will cancel that
 * request. Sending multiple "request" commands or multiple "cancel" commands to
 * the server should cause no duplication or problems on the server and are
 * effectively ignored.
 *
 * @author Mark
 */
public class StudentClient {

private static final Logger LOG = Logger.getLogger(StudentClient.class.getName());
   private final PopupMenu trayPopopMenu = new PopupMenu();
   private final Image trayIconImage = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/icon.png"));
   private final TrayIcon systemTrayIcon = new TrayIcon(trayIconImage, "Demo Call " + Constants.VERSION, trayPopopMenu);
   private final MessageGenerator generator = new MessageGenerator();
   private String machineId;
   private RequestSender requestSender;
   private boolean foundServer = false;
   private final Thread shutDownHook = new Thread() {

@Override
      public void run() {
         cleanUp();
      }
   };

public StudentClient(final ComputerNameResolver nameResolver) {
      try {
         createTrayMenu();

// not sure this is necessary but Windows is currently not exiting
         // when the shutdown hook kicks in...
         this.shutDownHook.setDaemon(true);

Runtime.getRuntime().addShutdownHook(this.shutDownHook);

try {
            nameResolver.resolve();
         } catch (InvalidComputerNameException ex) {
            this.systemTrayIcon.displayMessage("Whoops", ex.getMessage(), TrayIcon.MessageType.ERROR);

// give user a chance to read message
            Thread.sleep(5000);

// shutdown
            exit();
         }

final String lab = nameResolver.getLabName();
         this.machineId = nameResolver.getMachineId();

// find server IP (uses network multicast)
         final String serverIp = new ServiceLocator().locateServer(lab);

this.foundServer = true;

this.requestSender = new RequestSender(serverIp);

} catch (ServiceNotFoundException ex) {
         this.systemTrayIcon.displayMessage("Whoops", "Could not connect to server.  Please try again and let the supervisor know if it continues to happen.", TrayIcon.MessageType.ERROR);
      } catch (Exception ex) {
         LOG.log(Level.SEVERE, null, ex);
      }

}

private void createTrayMenu() {
      try {

this.systemTrayIcon.setImageAutoSize(true);

final MenuItem request = new MenuItem("Request Help");
         request.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent e) {
               makeRequest();
            }
         });

final MenuItem cancel = new MenuItem("Cancel Request");
         cancel.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent e) {
               cancelRequest();
            }
         });

final MenuItem exit = new MenuItem("Exit");
         exit.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent e) {
               exit();
            }
         });

this.trayPopopMenu.add(request);
         this.trayPopopMenu.add(cancel);
         this.trayPopopMenu.addSeparator();
         this.trayPopopMenu.add(exit);

SystemTray.getSystemTray().add(this.systemTrayIcon);

} catch (Exception ex) {
         LOG.log(Level.SEVERE, null, ex);
      }
   }

private void makeRequest() {
      try {
         requestSender.sendRequest(generator.requestHelp(machineId));
         systemTrayIcon.displayMessage("Help is on the way", "Your request is now in the queue.", TrayIcon.MessageType.INFO);
      } catch (Exception ex) {
         systemTrayIcon.displayMessage("Whoops", "Failed to make request", TrayIcon.MessageType.ERROR);
         LOG.log(Level.SEVERE, "Error making request", ex);
      }
   }

private void cancelRequest() {
      try {
         requestSender.sendRequest(generator.cancelRequest(machineId));
         systemTrayIcon.displayMessage("Request removed", "Your request has been removed from the queue.", TrayIcon.MessageType.INFO);
      } catch (Exception ex) {
         systemTrayIcon.displayMessage("Whoops", "Failed to cancel request", TrayIcon.MessageType.ERROR);
         LOG.log(Level.SEVERE, "Error cancelling request", ex);
      }
   }

private void exit() {
      this.cleanUp();

// force an exit since they are several threads lurking around that could keep the process running
      System.exit(0);
   }

private void cleanUp() {
      // cancel any requests the student has made
      if (this.foundServer) {
         cancelRequest();
      }

// remove the tray icon from the system tray
      SystemTray.getSystemTray().remove(systemTrayIcon);
   }

@SuppressWarnings("ResultOfObjectAllocationIgnored")
   public static void main(final String[] args) {

//      final String name = "SBEASTCAL1-30";

final String name = args.length > 0 ? args[0] : null;

final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME");

new StudentClient(nameResolver);
   }
}

package clients;

@Override
      public void run() {
         cleanUp();
      }
   };

public StudentClient(final ComputerNameResolver nameResolver) {
      try {
         createTrayMenu();

// not sure this is necessary but Windows is currently not exiting
         // when the shutdown hook kicks in...
         this.shutDownHook.setDaemon(true);

Runtime.getRuntime().addShutdownHook(this.shutDownHook);

try {
            nameResolver.resolve();
         } catch (InvalidComputerNameException ex) {
            this.systemTrayIcon.displayMessage("Whoops", ex.getMessage(), TrayIcon.MessageType.ERROR);

// give user a chance to read message
            Thread.sleep(5000);

// shutdown
            exit();
         }

final String lab = nameResolver.getLabName();
         this.machineId = nameResolver.getMachineId();

// find server IP (uses network multicast)
         final String serverIp = new ServiceLocator().locateServer(lab);

this.foundServer = true;

this.requestSender = new RequestSender(serverIp);

}

private void createTrayMenu() {
      try {

this.systemTrayIcon.setImageAutoSize(true);

final MenuItem request = new MenuItem("Request Help");
         request.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent e) {
               makeRequest();
            }
         });

final MenuItem cancel = new MenuItem("Cancel Request");
         cancel.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent e) {
               cancelRequest();
            }
         });

final MenuItem exit = new MenuItem("Exit");
         exit.addActionListener(new ActionListener() {

public void actionPerformed(final ActionEvent e) {
               exit();
            }
         });

this.trayPopopMenu.add(request);
         this.trayPopopMenu.add(cancel);
         this.trayPopopMenu.addSeparator();
         this.trayPopopMenu.add(exit);

SystemTray.getSystemTray().add(this.systemTrayIcon);

} catch (Exception ex) {
         LOG.log(Level.SEVERE, null, ex);
      }
   }

private void exit() {
      this.cleanUp();

// force an exit since they are several threads lurking around that could keep the process running
      System.exit(0);
   }

private void cleanUp() {
      // cancel any requests the student has made
      if (this.foundServer) {
         cancelRequest();
      }

// remove the tray icon from the system tray
      SystemTray.getSystemTray().remove(systemTrayIcon);
   }

@SuppressWarnings("ResultOfObjectAllocationIgnored")
   public static void main(final String[] args) {

final String name = "SBEASTCAL1-30";

//      final String name = args.length > 0 ? args[0] : null;

final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME");

new StudentClient(nameResolver);
   }
}

Ignore Space Show notes View src/clients/TutorClient.java
package clients; import constants.Constants; import discovery.computername.ComputerNameResolver; import discovery.computername.InvalidComputerNameException; import discovery.computername.OtagoComputerNameResolver; import discovery.server.ServiceLocator; import discovery.server.ServiceNotFoundException; import gui.Lab; import gui.LabRegistry; import gui.QueuePanel; import gui.processors.TutorLabelProcessor; import java.awt.BorderLayout; import java.awt.event.ComponentAdapter; import java.awt.event.ComponentEvent; import java.util.Collection; import java.util.Timer; import java.util.TimerTask; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import network.RequestSender; /** * * @author Mark / public class TutorClient { private static final Logger LOG = Logger.getLogger(TutorClient.class.getName()); private String serverIp; @SuppressWarnings("rawtypes") public TutorClient(final ComputerNameResolver nameResolver) { JFrame frame = null; try { nameResolver.resolve(); String labName = nameResolver.getLabName(); final LabRegistry registry = new LabRegistry(); final Lab[] labs = registry.getLabs().toArray(new Lab[registry.getLabs().size()]); final Lab currentLab = registry.getLab(labName); final Lab lab = (Lab) JOptionPane.showInputDialog(null, "Which lab?", "Which lab?", JOptionPane.QUESTION_MESSAGE, null, labs, currentLab); if (lab == null) { System.exit(0); } else { labName = lab.getLabName(); } serverIp = new ServiceLocator().locateServer(labName); frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setAlwaysOnTop(true); final JPanel mapPanel = lab.getPanel(); final TutorLabelProcessor processor = new TutorLabelProcessor(serverIp); processor.processLabels(mapPanel); frame.setTitle(String.format("Democall %1s - Tutor Client (%1s)", Constants.VERSION, lab.getLabDescription())); frame.setLayout(new BorderLayout()); frame.add(BorderLayout.NORTH, new QueuePanel()); frame.add(BorderLayout.CENTER, mapPanel); frame.pack(); frame.setVisible(true); final Timer timer = new Timer(true); timer.scheduleAtFixedRate(new TimerTask() { @Override public void run() { final Collection<Integer> queue = new RequestSender(serverIp).requestQueue(); processor.update(queue); } }, 0, Constants.TUTOR_CLIENT_POLL); // dynamic font resize based on window size final int defaultSize = Constants.DEFAULT_MAP_FONT_SIZE; final int defaultWidth = mapPanel.getWidth(); frame.addComponentListener(new ComponentAdapter() { public void componentResized(ComponentEvent e) { int newWidth = mapPanel.getWidth(); float scaleFactor = (float)newWidth / (float)defaultWidth; int newFontSize = Math.round(defaultSize scaleFactor); processor.resizeFonts(newFontSize); } }); } catch (InvalidComputerNameException ex) { JOptionPane.showMessageDialog(frame, ex.getMessage(), "Error getting computer name.", JOptionPane.ERROR_MESSAGE); } catch (ServiceNotFoundException ex) { JOptionPane.showMessageDialog(frame, "Could not connect to server.", "Connection error", JOptionPane.ERROR_MESSAGE); } catch (Exception ex) { LOG.log(Level.SEVERE, null, ex); } } @SuppressWarnings("ResultOfObjectAllocationIgnored") public static void main(final String[] args) { // final String name = "SBEASTCAL1-31"; final String name = args.length > 0 ? args[0] : null; final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME"); new TutorClient(nameResolver); } } package clients; import constants.Constants; import discovery.computername.ComputerNameResolver; import discovery.computername.InvalidComputerNameException; import discovery.computername.OtagoComputerNameResolver; import discovery.server.ServiceLocator; import discovery.server.ServiceNotFoundException; import gui.Lab; import gui.LabRegistry; import gui.QueuePanel; import gui.processors.TutorLabelProcessor; import java.awt.BorderLayout; import java.util.Collection; import java.util.Timer; import java.util.TimerTask; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import network.RequestSender; /** * * @author Mark */ public class TutorClient { private static final Logger LOG = Logger.getLogger(TutorClient.class.getName()); private String serverIp; @SuppressWarnings("rawtypes") public TutorClient(final ComputerNameResolver nameResolver) { JFrame frame = null; try { nameResolver.resolve(); String labName = nameResolver.getLabName(); final LabRegistry registry = new LabRegistry(); final Lab[] labs = registry.getLabs().toArray(new Lab[registry.getLabs().size()]); final Lab currentLab = registry.getLab(labName); final Lab lab = (Lab) JOptionPane.showInputDialog(null, "Which lab?", "Which lab?", JOptionPane.QUESTION_MESSAGE, null, labs, currentLab); if (lab == null) { System.exit(0); } else { labName = lab.getLabName(); } serverIp = new ServiceLocator().locateServer(labName); frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setAlwaysOnTop(true); final JPanel mapPanel = lab.getPanel(); final TutorLabelProcessor processor = new TutorLabelProcessor(serverIp); processor.processLabels(mapPanel); frame.setTitle(String.format("Democall %1s - Tutor Client (%1s)", Constants.VERSION, lab.getLabDescription())); frame.setLayout(new BorderLayout()); frame.add(BorderLayout.NORTH, new QueuePanel()); frame.add(BorderLayout.CENTER, mapPanel); frame.pack(); frame.setVisible(true); final Timer timer = new Timer(true); timer.scheduleAtFixedRate(new TimerTask() { @Override public void run() { final Collection<Integer> queue = new RequestSender(serverIp).requestQueue(); processor.update(queue); } }, 0, Constants.TUTOR_CLIENT_POLL); } catch (InvalidComputerNameException ex) { JOptionPane.showMessageDialog(frame, ex.getMessage(), "Error getting computer name.", JOptionPane.ERROR_MESSAGE); } catch (ServiceNotFoundException ex) { JOptionPane.showMessageDialog(frame, "Could not connect to server.", "Connection error", JOptionPane.ERROR_MESSAGE); } catch (Exception ex) { LOG.log(Level.SEVERE, null, ex); } } @SuppressWarnings("ResultOfObjectAllocationIgnored") public static void main(final String[] args) { final String name = "SBEASTCAL1-31"; // final String name = args.length > 0 ? args[0] : null; final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME"); new TutorClient(nameResolver); } }

Ignore Space Show notes View

src/clients/TutorClient.java

package clients;

import constants.Constants;
import discovery.computername.ComputerNameResolver;
import discovery.computername.InvalidComputerNameException;
import discovery.computername.OtagoComputerNameResolver;
import discovery.server.ServiceLocator;
import discovery.server.ServiceNotFoundException;
import gui.Lab;
import gui.LabRegistry;
import gui.QueuePanel;
import gui.processors.TutorLabelProcessor;
import java.awt.BorderLayout;
import java.awt.event.ComponentAdapter;
import java.awt.event.ComponentEvent;
import java.util.Collection;
import java.util.Timer;
import java.util.TimerTask;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import network.RequestSender;

/**
 *
 * @author Mark
 */
public class TutorClient {

private static final Logger LOG = Logger.getLogger(TutorClient.class.getName());
   
   private String serverIp;

@SuppressWarnings("rawtypes")
   public TutorClient(final ComputerNameResolver nameResolver) {

JFrame frame = null;
      
      try {
         nameResolver.resolve();
         
         String labName = nameResolver.getLabName();

final LabRegistry registry = new LabRegistry();
         final Lab[] labs = registry.getLabs().toArray(new Lab[registry.getLabs().size()]);
         final Lab currentLab = registry.getLab(labName);
         
         final Lab lab = (Lab) JOptionPane.showInputDialog(null, "Which lab?", "Which lab?",  JOptionPane.QUESTION_MESSAGE, null, labs, currentLab);
         
         if (lab == null) {
            System.exit(0);
         } else {
            labName = lab.getLabName();
         }

serverIp = new ServiceLocator().locateServer(labName);
         frame = new JFrame();
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setAlwaysOnTop(true);
         final JPanel mapPanel = lab.getPanel();
         final TutorLabelProcessor processor = new TutorLabelProcessor(serverIp);
         processor.processLabels(mapPanel);
         frame.setTitle(String.format("Democall %1s - Tutor Client (%1s)", Constants.VERSION, lab.getLabDescription()));
         frame.setLayout(new BorderLayout());
         frame.add(BorderLayout.NORTH, new QueuePanel());
         frame.add(BorderLayout.CENTER, mapPanel);
         frame.pack();
         frame.setVisible(true);

final Timer timer = new Timer(true);
         timer.scheduleAtFixedRate(new TimerTask() {

@Override
            public void run() {
               final Collection<Integer> queue = new RequestSender(serverIp).requestQueue();
               processor.update(queue);
            }
         }, 0, Constants.TUTOR_CLIENT_POLL);
         
      // dynamic font resize based on window size
      
      final int defaultSize = Constants.DEFAULT_MAP_FONT_SIZE;
      final int defaultWidth = mapPanel.getWidth();
      
      frame.addComponentListener(new ComponentAdapter() {
         
         public void componentResized(ComponentEvent e) {
            int newWidth = mapPanel.getWidth();
            float scaleFactor = (float)newWidth / (float)defaultWidth;
            int newFontSize = Math.round(defaultSize * scaleFactor);
            processor.resizeFonts(newFontSize);
         }

});

} catch (InvalidComputerNameException ex) {
         JOptionPane.showMessageDialog(frame, ex.getMessage(), "Error getting computer name.", JOptionPane.ERROR_MESSAGE);
      } catch (ServiceNotFoundException ex) {
         JOptionPane.showMessageDialog(frame, "Could not connect to server.", "Connection error", JOptionPane.ERROR_MESSAGE);
      } catch (Exception ex) {
         LOG.log(Level.SEVERE, null, ex);
      }
   }

@SuppressWarnings("ResultOfObjectAllocationIgnored")
   public static void main(final String[] args) {

//      final String name = "SBEASTCAL1-31";

final String name = args.length > 0 ? args[0] : null;
      
      final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME");

new TutorClient(nameResolver);
   }

}

package clients;

import constants.Constants;
import discovery.computername.ComputerNameResolver;
import discovery.computername.InvalidComputerNameException;
import discovery.computername.OtagoComputerNameResolver;
import discovery.server.ServiceLocator;
import discovery.server.ServiceNotFoundException;
import gui.Lab;
import gui.LabRegistry;
import gui.QueuePanel;
import gui.processors.TutorLabelProcessor;
import java.awt.BorderLayout;
import java.util.Collection;
import java.util.Timer;
import java.util.TimerTask;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import network.RequestSender;

/**
 *
 * @author Mark
 */
public class TutorClient {

private static final Logger LOG = Logger.getLogger(TutorClient.class.getName());
   
   private String serverIp;

@SuppressWarnings("rawtypes")
   public TutorClient(final ComputerNameResolver nameResolver) {

JFrame frame = null;
      
      try {
         nameResolver.resolve();
         
         String labName = nameResolver.getLabName();

final Timer timer = new Timer(true);
         timer.scheduleAtFixedRate(new TimerTask() {

@SuppressWarnings("ResultOfObjectAllocationIgnored")
   public static void main(final String[] args) {

final String name = "SBEASTCAL1-31";

//      final String name = args.length > 0 ? args[0] : null;
      
      
      final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME");

new TutorClient(nameResolver);
   }

}

Ignore Space Show notes View src/constants/Constants.java
package constants; /** * * @author Mark / public final class Constants { private Constants() { } // version number for system public static final String VERSION = "3.3.0"; // randomly chosen multi-cast group public static final String BROADCAST_ADDRESS = "233.7.2.9"; // randomly chosen port public static final int PORT = 7321; // time between polls for tutor client (milliseconds) public static final int TUTOR_CLIENT_POLL = 5000; // exit code for clients if no server found public static final int EXIT_NO_SERVER_FOUND = 100; // exit code if no map found that matches current COMPUTERNAME env var public static final int EXIT_NO_MAP_FOUND = 200; // amount of time the service locator waits for a response from server public static final int SERVICE_LOCATOR_TIMEOUT = 5000; // milliseconds // default size of the label fonts on the maps public static final int DEFAULT_MAP_FONT_SIZE = 40; } package constants; /* * * @author Mark */ public final class Constants { private Constants() { } // version number for system public static final String VERSION = "3.2.0"; // randomly chosen multi-cast group public static final String BROADCAST_ADDRESS = "233.7.2.9"; // randomly chosen port public static final int PORT = 7321; // time between polls for tutor client (milliseconds) public static final int TUTOR_CLIENT_POLL = 5000; // exit code for clients if no server found public static final int EXIT_NO_SERVER_FOUND = 100; // exit code if no map found that matches current COMPUTERNAME env var public static final int EXIT_NO_MAP_FOUND = 200; // amount of time the service locator waits for a response from server public static final int SERVICE_LOCATOR_TIMEOUT = 5000; // milliseconds }

Ignore Space Show notes View

src/constants/Constants.java

Ignore Space Show notes View src/gui/processors/AbstractLabelProcessor.java
package gui.processors; import gui.QueuePanel; import java.awt.Color; import java.awt.Component; import java.awt.Font; import java.awt.event.MouseAdapter; import java.util.; import java.util.concurrent.ConcurrentHashMap; import javax.swing.JLabel; import javax.swing.JPanel; /* * * @author Mark / public abstract class AbstractLabelProcessor { private final Color requestCol = Color.GREEN; private final Color regularCol = new JLabel().getBackground(); private final Map<Integer, JLabel> labels = new ConcurrentHashMap<Integer, JLabel>(); // protected final Collection<Integer> queue = new ConcurrentLinkedQueue<Integer> (); protected final Collection<Integer> queue = new LinkedHashSet<Integer>(); public abstract MouseAdapter getMouseAdapter(); public final void processLabels(final JPanel panel) { processPanel(panel); } private void processPanel(final JPanel panel) { for (Component component : panel.getComponents()) { if (component instanceof JLabel) { final JLabel label = (JLabel) component; try { // component must be opaque so the background color can be set label.setOpaque(true); final Integer id = Integer.valueOf(label.getText()); labels.put(id, label); label.addMouseListener(this.getMouseAdapter()); } catch (NumberFormatException ignored) { continue; } } else if (component instanceof JPanel) { // found a panel that might contain labels so recurse processPanel((JPanel) component); } } } public void resizeFonts(float newFontSize) { // there should always labels in this map so hopefully this next line doesn't cause issues Font newFont = labels.values().iterator().next().getFont().deriveFont(newFontSize); for (JLabel label : labels.values()) { label.setFont(newFont); } } public final void request(final int id) { synchronized (queue) { queue.add(id); final String queueStr = queue.toString(); final JLabel label = labels.get(id); if (label != null) { label.setBackground(requestCol); } QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1)); } } public final synchronized void cancel(final int id) { synchronized (queue) { queue.remove(id); final String queueStr = queue.toString(); QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1)); final JLabel label = labels.get(id); if (label != null) { label.setBackground(regularCol); } } } public final Collection<Integer> getQueue() { synchronized (queue) { // Creating a copy of queue to prevent ConcurrentModification errors. // This only works because queue is locked by the sync block return new ArrayList<Integer>(queue); } } } package gui.processors; import gui.QueuePanel; import java.awt.Color; import java.awt.Component; import java.awt.event.MouseAdapter; import java.util.; import java.util.concurrent.ConcurrentHashMap; import javax.swing.JLabel; import javax.swing.JPanel; /** * * @author Mark */ public abstract class AbstractLabelProcessor { private final Color requestCol = Color.GREEN; private final Color regularCol = new JLabel().getBackground(); private final Map<Integer, JLabel> labels = new ConcurrentHashMap<Integer, JLabel>(); // protected final Collection<Integer> queue = new ConcurrentLinkedQueue<Integer> (); protected final Collection<Integer> queue = new LinkedHashSet<Integer>(); public abstract MouseAdapter getMouseAdapter(); public final void processLabels(final JPanel panel) { processPanel(panel); } private void processPanel(final JPanel panel) { for (Component component : panel.getComponents()) { if (component instanceof JLabel) { final JLabel label = (JLabel) component; try { // component must be opaque so the background color can be set label.setOpaque(true); final Integer id = Integer.valueOf(label.getText()); labels.put(id, label); label.addMouseListener(this.getMouseAdapter()); } catch (NumberFormatException ignored) { continue; } } else if (component instanceof JPanel) { // found a panel that might contain buttons so recurse processPanel((JPanel) component); } } } public final void request(final int id) { synchronized (queue) { queue.add(id); final String queueStr = queue.toString(); final JLabel label = labels.get(id); if (label != null) { label.setBackground(requestCol); } QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1)); } } public final synchronized void cancel(final int id) { synchronized (queue) { queue.remove(id); final String queueStr = queue.toString(); QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1)); final JLabel label = labels.get(id); if (label != null) { label.setBackground(regularCol); } } } public final Collection<Integer> getQueue() { synchronized (queue) { // Creating a copy of queue to prevent ConcurrentModification errors. // This only works because queue is locked by the sync block return new ArrayList<Integer>(queue); } } }

Ignore Space Show notes View

src/gui/processors/AbstractLabelProcessor.java

package gui.processors;

import gui.QueuePanel;
import java.awt.Color;
import java.awt.Component;
import java.awt.Font;
import java.awt.event.MouseAdapter;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import javax.swing.JLabel;
import javax.swing.JPanel;

/**
 *
 * @author Mark
 */
public abstract class AbstractLabelProcessor {

private final Color requestCol = Color.GREEN;
   private final Color regularCol = new JLabel().getBackground();
   private final Map<Integer, JLabel> labels = new ConcurrentHashMap<Integer, JLabel>();
//   protected final Collection<Integer> queue = new ConcurrentLinkedQueue<Integer> ();
   protected final Collection<Integer> queue = new LinkedHashSet<Integer>();

public abstract MouseAdapter getMouseAdapter();

public final void processLabels(final JPanel panel) {
      processPanel(panel);
   }

private void processPanel(final JPanel panel) {
      for (Component component : panel.getComponents()) {

if (component instanceof JLabel) {
            final JLabel label = (JLabel) component;
            try {
               // component must be opaque so the background color can be set
               label.setOpaque(true);
               final Integer id = Integer.valueOf(label.getText());
               labels.put(id, label);

label.addMouseListener(this.getMouseAdapter());

} catch (NumberFormatException ignored) {
               continue;
            }
         } else if (component instanceof JPanel) {
            // found a panel that might contain labels so recurse
            processPanel((JPanel) component);
         }
      }
   }

public void resizeFonts(float newFontSize) {
      // there should always labels in this map so hopefully this next line doesn't cause issues
      Font newFont = labels.values().iterator().next().getFont().deriveFont(newFontSize);
      
      for (JLabel label : labels.values()) {
         label.setFont(newFont);
      }
   }   
   
   public final void request(final int id) {
      synchronized (queue) {
         queue.add(id);

final String queueStr = queue.toString();

final JLabel label = labels.get(id);

if (label != null) {
            label.setBackground(requestCol);
         }
         QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1));
      }
   }

public final synchronized void cancel(final int id) {
      synchronized (queue) {
         queue.remove(id);

final String queueStr = queue.toString();

QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1));

final JLabel label = labels.get(id);

if (label != null) {
            label.setBackground(regularCol);
         }
      }
   }

public final Collection<Integer> getQueue() {
      synchronized (queue) {
         // Creating a copy of queue to prevent ConcurrentModification errors.
         // This only works because queue is locked by the sync block
         return new ArrayList<Integer>(queue);
      }
   }
}

package gui.processors;

import gui.QueuePanel;
import java.awt.Color;
import java.awt.Component;
import java.awt.event.MouseAdapter;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import javax.swing.JLabel;
import javax.swing.JPanel;

/**
 *
 * @author Mark
 */
public abstract class AbstractLabelProcessor {

public abstract MouseAdapter getMouseAdapter();

public final void processLabels(final JPanel panel) {
      processPanel(panel);
   }

private void processPanel(final JPanel panel) {
      for (Component component : panel.getComponents()) {

label.addMouseListener(this.getMouseAdapter());

} catch (NumberFormatException ignored) {
               continue;
            }
         } else if (component instanceof JPanel) {
            // found a panel that might contain buttons so recurse
            processPanel((JPanel) component);
         }
      }
   }

public final void request(final int id) {
      synchronized (queue) {
         queue.add(id);

final String queueStr = queue.toString();

final JLabel label = labels.get(id);

if (label != null) {
            label.setBackground(requestCol);
         }
         QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1));
      }
   }

public final synchronized void cancel(final int id) {
      synchronized (queue) {
         queue.remove(id);

final String queueStr = queue.toString();

QueuePanel.getQueueLabel().setText(queueStr.substring(1, queueStr.length() - 1));

final JLabel label = labels.get(id);

if (label != null) {
            label.setBackground(regularCol);
         }
      }
   }

Ignore Space Show notes View src/server/Server.java
package server; import constants.Constants; import discovery.computername.ComputerNameResolver; import discovery.computername.OtagoComputerNameResolver; import discovery.server.BroadcastResponder; import gui.Lab; import gui.LabRegistry; import gui.QueuePanel; import gui.processors.AbstractLabelProcessor; import gui.processors.ServerLabelProcessor; import java.awt.BorderLayout; import java.awt.Font; import java.awt.event.; import java.io.IOException; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; /* * * @author Mark / public final class Server { private Server() { } public static void main(final String[] args) throws IOException { // final String name = "SBEASTCAL1-01"; final String name = args.length > 0 ? args[0] : null; final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME"); nameResolver.resolve(); final String labName = nameResolver.getLabName(); final JFrame frame = new JFrame(); frame.setLayout(new BorderLayout()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); final LabRegistry registry = new LabRegistry(); final Lab lab = registry.getLab(labName); if (lab == null) { JOptionPane.showMessageDialog(frame, "There is no map for this lab yet.", "No map", JOptionPane.ERROR_MESSAGE); System.exit(Constants.EXIT_NO_MAP_FOUND); } final JPanel mapPanel = lab.getPanel(); final AbstractLabelProcessor processor = new ServerLabelProcessor(); processor.processLabels(mapPanel); frame.setTitle(String.format("Democall %1s - Server (%1s)", Constants.VERSION, lab.getLabDescription())); frame.add(BorderLayout.NORTH, new QueuePanel()); frame.add(BorderLayout.CENTER, mapPanel); frame.pack(); frame.setVisible(true); // dynamic font resize based on window size final int defaultSize = Constants.DEFAULT_MAP_FONT_SIZE; final int defaultWidth = mapPanel.getWidth(); frame.addComponentListener(new ComponentAdapter() { public void componentResized(ComponentEvent e) { int newWidth = mapPanel.getWidth(); float scaleFactor = (float)newWidth / (float)defaultWidth; int newFontSize = Math.round(defaultSize scaleFactor); processor.resizeFonts(newFontSize); } }); new ApplicationHandler(processor).start(); new BroadcastResponder(labName).start(); } } package server; import constants.Constants; import discovery.computername.ComputerNameResolver; import discovery.computername.OtagoComputerNameResolver; import discovery.server.BroadcastResponder; import gui.Lab; import gui.LabRegistry; import gui.QueuePanel; import gui.processors.AbstractLabelProcessor; import gui.processors.ServerLabelProcessor; import java.awt.BorderLayout; import java.io.IOException; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; /** * * @author Mark */ public final class Server { private Server() { } public static void main(final String[] args) throws IOException { final String name = "SBEASTCAL1-01"; // final String name = args.length > 0 ? args[0] : null; final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME"); nameResolver.resolve(); final String labName = nameResolver.getLabName(); final JFrame frame = new JFrame(); frame.setLayout(new BorderLayout()); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); final LabRegistry registry = new LabRegistry(); final Lab lab = registry.getLab(labName); if (lab == null) { JOptionPane.showMessageDialog(frame, "There is no map for this lab yet.", "No map", JOptionPane.ERROR_MESSAGE); System.exit(Constants.EXIT_NO_MAP_FOUND); } final JPanel mapPanel = lab.getPanel(); final AbstractLabelProcessor processor = new ServerLabelProcessor(); processor.processLabels(mapPanel); frame.setTitle(String.format("Democall %1s - Server (%1s)", Constants.VERSION, lab.getLabDescription())); frame.add(BorderLayout.NORTH, new QueuePanel()); frame.add(BorderLayout.CENTER, mapPanel); frame.pack(); frame.setVisible(true); new ApplicationHandler(processor).start(); new BroadcastResponder(labName).start(); } }

Ignore Space Show notes View

src/server/Server.java

package server;

import constants.Constants;
import discovery.computername.ComputerNameResolver;
import discovery.computername.OtagoComputerNameResolver;
import discovery.server.BroadcastResponder;
import gui.Lab;
import gui.LabRegistry;
import gui.QueuePanel;
import gui.processors.AbstractLabelProcessor;
import gui.processors.ServerLabelProcessor;
import java.awt.BorderLayout;
import java.awt.Font;
import java.awt.event.*;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

/**
 *
 * @author Mark
 */
public final class Server {

private Server() {
   }   
   
   public static void main(final String[] args) throws IOException {

//      final String name = "SBEASTCAL1-01";          
      
      final String name = args.length > 0 ? args[0] : null;
      
      final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME");
      
      nameResolver.resolve();
      
      final String labName = nameResolver.getLabName();

final JFrame frame = new JFrame();
      frame.setLayout(new BorderLayout());
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

final LabRegistry registry = new LabRegistry();
      final Lab lab = registry.getLab(labName);

if (lab == null) {
          JOptionPane.showMessageDialog(frame, "There is no map for this lab yet.", "No map", JOptionPane.ERROR_MESSAGE);
          System.exit(Constants.EXIT_NO_MAP_FOUND);
      }

final JPanel mapPanel = lab.getPanel();

final AbstractLabelProcessor processor = new ServerLabelProcessor();
      processor.processLabels(mapPanel);

frame.setTitle(String.format("Democall %1s - Server (%1s)", Constants.VERSION, lab.getLabDescription()));
      frame.add(BorderLayout.NORTH, new QueuePanel());
      frame.add(BorderLayout.CENTER, mapPanel);
      frame.pack();
      frame.setVisible(true);

// dynamic font resize based on window size
      
      final int defaultSize = Constants.DEFAULT_MAP_FONT_SIZE;
      final int defaultWidth = mapPanel.getWidth();
      
      frame.addComponentListener(new ComponentAdapter() {
         
         public void componentResized(ComponentEvent e) {
            int newWidth = mapPanel.getWidth();
            float scaleFactor = (float)newWidth / (float)defaultWidth;
            int newFontSize = Math.round(defaultSize * scaleFactor);
            processor.resizeFonts(newFontSize);
         }

});

new ApplicationHandler(processor).start();
      new BroadcastResponder(labName).start();
   }

}

package server;

import constants.Constants;
import discovery.computername.ComputerNameResolver;
import discovery.computername.OtagoComputerNameResolver;
import discovery.server.BroadcastResponder;
import gui.Lab;
import gui.LabRegistry;
import gui.QueuePanel;
import gui.processors.AbstractLabelProcessor;
import gui.processors.ServerLabelProcessor;
import java.awt.BorderLayout;
import java.io.IOException;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;

/**
 *
 * @author Mark
 */
public final class Server {

private Server() {
   }   
   
   public static void main(final String[] args) throws IOException {

final String name = "SBEASTCAL1-01";          
      
//      final String name = args.length > 0 ? args[0] : null;
      
      final ComputerNameResolver nameResolver = new OtagoComputerNameResolver(name, "COMPUTERNAME");
      
      nameResolver.resolve();
      
      final String labName = nameResolver.getLabName();

final JFrame frame = new JFrame();
      frame.setLayout(new BorderLayout());
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

final LabRegistry registry = new LabRegistry();
      final Lab lab = registry.getLab(labName);

final JPanel mapPanel = lab.getPanel();

final AbstractLabelProcessor processor = new ServerLabelProcessor();
      processor.processLabels(mapPanel);

new ApplicationHandler(processor).start();
      new BroadcastResponder(labName).start();
   }

}

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