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ajm |
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package uk.org.iscream.mnote; |
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import java.net.UnknownHostException; |
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import java.io.IOException; |
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import javax.swing.JFrame; |
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import javax.swing.JButton; |
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import javax.swing.JOptionPane; |
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import javax.swing.JPanel; |
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import java.awt.event.ActionListener; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.WindowAdapter; |
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import java.awt.event.WindowEvent; |
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class MNote extends JFrame implements NotificationListener { |
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private static final String MULTICAST_GROUP = "228.5.6.7"; |
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private static final int PORT = 6789; |
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public static void main(String[] args) { |
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MNoteProtocolHandler protocolHandler = new MNoteProtocolHandler(); |
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MNoteSocketHandler socketHandler = null; |
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try { |
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socketHandler = new MNoteSocketHandler(PORT, MULTICAST_GROUP, protocolHandler); |
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} catch (UnknownHostException e) { |
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System.err.println("UNKNOWN HOST: " + e); |
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} catch (IOException e2) { |
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System.err.println("IO ERROR: " + e2); |
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} |
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MNote mNote = new MNote("MNote - Multicast Notification System", protocolHandler); |
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} |
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public MNote(String title, MNoteProtocolHandler protocolHandler) { |
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super(title); |
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_protocolHandler = protocolHandler; |
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_protocolHandler.addNotificationListener(this); |
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addWindowListener(new WindowAdapter() { |
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public void windowClosing(WindowEvent e) {System.exit(0);} |
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}); |
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JButton newNote = new JButton("Send MNote message"); |
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newNote.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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String message = JOptionPane.showInputDialog(null, "Please enter your MNote message:", "Compose MNote!", JOptionPane.INFORMATION_MESSAGE); |
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if (message != null) { |
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_protocolHandler.sendNotification(message); |
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} |
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} |
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}); |
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JPanel pane = new JPanel(); |
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pane.add(newNote); |
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this.getContentPane().add(pane); |
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this.pack(); |
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this.show(); |
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} |
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public void acceptNotificationEvent(NotificationEvent ne) { |
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JOptionPane.showMessageDialog(this, "You have received a new MNote!\nMessage:\n" + ne.getMessage(), "New MNote!", JOptionPane.INFORMATION_MESSAGE); |
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} |
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private MNoteProtocolHandler _protocolHandler = null; |
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} |
