Final implementation, ready for presentation!
This commit is contained in:
O'Shea
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package demonstration;
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@SuppressWarnings( "javadoc" )
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public class ChatDEMO extends javax.swing.JFrame {
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public boolean messageReady = false ;
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public String message ;
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public String username ;
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/*
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public void giveTitle(String name)
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{
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this.username = name ;
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setTitle("logged in as:" + name ) ;
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}
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*/
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public String getMessageOut()
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{
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if( this.message.contentEquals( "" ) || this.message.contentEquals( " " ) )
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{
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this.messageReady = false ;
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return null ;
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}
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if( this.messageReady )
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{
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this.messageReady = false ;
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return this.message ;
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}
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return null ;
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}
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public void printMessage( String messageOut )
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{
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messageOut = String.format( "%s\n%s", this.jTextArea1.getText(), messageOut ) ;
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this.jTextArea1.setText( null ) ;
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this.jTextArea1.setText( messageOut ) ;
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jTextArea1.moveCaretPosition( jTextArea1.getDocument().getLength() );
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}
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public ChatDEMO() {
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initComponents();
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}
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@SuppressWarnings("unchecked")
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// <editor-fold defaultstate="collapsed" desc="Generated Code">
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private void initComponents() {
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jTextField1 = new javax.swing.JTextField();
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jButton1 = new javax.swing.JButton();
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jScrollPane2 = new javax.swing.JScrollPane();
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jTextArea1 = new javax.swing.JTextArea();
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setDefaultCloseOperation(javax.swing.WindowConstants.HIDE_ON_CLOSE);
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setTitle("logged in as: " + this.username );
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jButton1.setText("send");
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jButton1.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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jButton1ActionPerformed(evt);
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}
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});
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jTextField1.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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jTextField1ActionPerformed(evt);
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}
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});
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setResizable(false);
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jTextArea1.setEditable(false);
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jTextArea1.setColumns(20);
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jTextArea1.setRows(5);
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jTextArea1.setWrapStyleWord(true);
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jTextArea1.setLineWrap( true );
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jTextArea1.moveCaretPosition( jTextArea1.getDocument().getLength() );
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jScrollPane2.setViewportView(jTextArea1);
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javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
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getContentPane().setLayout(layout);
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layout.setHorizontalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
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.addContainerGap(50, Short.MAX_VALUE)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
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.addComponent(jScrollPane2)
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.addGroup(layout.createSequentialGroup()
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.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 610, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addComponent(jButton1)))
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.addGap(50, 50, 50))
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);
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layout.setVerticalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap(50, Short.MAX_VALUE)
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.addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 311, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addGap(18, 18, 18)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
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.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addComponent(jButton1))
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.addGap(50, 50, 50))
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);
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pack();
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setLocationRelativeTo(null);
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}// </editor-fold>
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private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt)
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{
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if( this.jTextField1.getText() != null )
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{
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this.message = this.jTextField1.getText() ;
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this.messageReady = true ;
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this.jTextField1.setText( null ) ;
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}
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}
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private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {
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if( this.jTextField1.getText() != null )
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{
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this.message = this.jTextField1.getText() ;
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this.messageReady = true ;
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this.jTextField1.setText( null ) ;
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}
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}
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public static void main(String args[]) {
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try {
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for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
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if ("Nimbus".equals(info.getName())) {
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javax.swing.UIManager.setLookAndFeel(info.getClassName());
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break;
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}
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}
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} catch (ClassNotFoundException ex) {
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java.util.logging.Logger.getLogger(ChatDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (InstantiationException ex) {
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java.util.logging.Logger.getLogger(ChatDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (IllegalAccessException ex) {
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java.util.logging.Logger.getLogger(ChatDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (javax.swing.UnsupportedLookAndFeelException ex) {
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java.util.logging.Logger.getLogger(ChatDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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}
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//</editor-fold>
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/* Create and display the form */
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java.awt.EventQueue.invokeLater(new Runnable() {
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public void run() {
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new ChatDEMO().setVisible(true);
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}
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});
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}
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// Variables declaration - do not modify
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private javax.swing.JButton jButton1;
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private javax.swing.JScrollPane jScrollPane2;
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private javax.swing.JTextArea jTextArea1;
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private javax.swing.JTextField jTextField1;
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// End of variables declaration
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}
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package demonstration;
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import java.net.* ;
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import java.io.* ;
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@SuppressWarnings( "javadoc" )
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public class ClientDEMO
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{
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static LoginDEMO loginDemo = new LoginDEMO() ;
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static ChatDEMO chatRoom = new ChatDEMO() ;
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@SuppressWarnings( "javadoc" )
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public static void main( String[] args ) throws IOException
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{
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loginDemo.setVisible( true );
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boolean done = false ;
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while( !done )
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{
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done = loginDemo.isDone() ;
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System.out.print("");
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}
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String ip = loginDemo.getIP() ;
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String username = loginDemo.getUsername() ;
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// Open your connection to a server, at port 6789
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Socket socket = new Socket( ip , 6789 ) ;
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// Create communication streams
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DataInputStream dataStreamIn = new DataInputStream( socket.getInputStream() ) ;
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DataOutputStream dataStreamOut = new DataOutputStream( socket.getOutputStream() ) ;
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dataStreamOut.writeUTF( username ) ;
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chatRoom.setTitle( "logged in as: " + username ) ;
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chatRoom.setVisible( true ) ;
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// Thread for sending messages
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Thread sendMessage = new Thread(new Runnable()
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{
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@Override
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public void run()
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{
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while( true )
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{
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try
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{
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// if-statement is only triggered if client closes window (disconnects)
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if( !chatRoom.isVisible() )
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{
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dataStreamOut.writeUTF( "/quit" ) ;
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dataStreamIn.close() ;
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dataStreamOut.close() ;
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socket.close() ;
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System.exit( 0 ) ;
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}
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// extract message information from GUI text field
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if( chatRoom.messageReady )
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{
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String messageOut = chatRoom.getMessageOut() ;
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if( messageOut == null )
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{
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continue ;
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}
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dataStreamOut.writeUTF( messageOut ) ;
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}
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System.out.print("") ;
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}
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catch( IOException x )
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{
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x.printStackTrace() ;
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System.exit( 0 ) ;
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}
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}
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}
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}) ;
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// Thread for receiving messages
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Thread receiveMessage = new Thread( new Runnable()
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{
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@Override
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public void run()
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{
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while( true )
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{
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try
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{
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String messageIn = dataStreamIn.readUTF() ;
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chatRoom.printMessage( messageIn ) ;
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}
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catch( IOException x )
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{
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x.printStackTrace() ;
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System.exit( 0 ) ;
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}
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}
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}
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});
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// Begin threads
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sendMessage.start() ;
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receiveMessage.start() ;
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}
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}
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// end class ClientGUI
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package demonstration;
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@SuppressWarnings( "javadoc" )
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public class LoginDEMO extends javax.swing.JFrame {
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/**
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* Creates new form loginGUI
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*/
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public String ip ;
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public String username ;
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public boolean done ;
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public String getIP()
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{
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return this.ip ;
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}
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public String getUsername()
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{
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return this.username ;
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}
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public boolean isDone()
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{
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return this.done ;
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}
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public LoginDEMO() {
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initComponents();
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}
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@SuppressWarnings("unchecked")
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// <editor-fold defaultstate="collapsed" desc="Generated Code">
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private void initComponents() {
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jPasswordField1 = new javax.swing.JPasswordField();
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jLabel1 = new javax.swing.JLabel();
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jTextField1 = new javax.swing.JTextField();
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jLabel2 = new javax.swing.JLabel();
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jLabel3 = new javax.swing.JLabel();
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setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
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setTitle("java chat login DEMO");
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setAlwaysOnTop(true);
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setResizable(false);
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jPasswordField1.setEditable(false);
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jPasswordField1.setHorizontalAlignment(javax.swing.JTextField.CENTER);
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jPasswordField1.setText("12.34.56.78");
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jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
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jLabel1.setText("Enter Server's IP:");
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jTextField1.setHorizontalAlignment(javax.swing.JTextField.CENTER);
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jTextField1.setToolTipText("");
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jTextField1.addActionListener(new java.awt.event.ActionListener() {
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public void actionPerformed(java.awt.event.ActionEvent evt) {
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jTextField1ActionPerformed(evt);
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}
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});
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jLabel2.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
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jLabel2.setText("Enter Username:");
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jLabel3.setFont(new java.awt.Font("Tahoma", 0, 10)); // NOI18N
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jLabel3.setText("username must be at least one character");
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jLabel3.setEnabled(false);
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javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
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getContentPane().setLayout(layout);
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layout.setHorizontalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addContainerGap(43, Short.MAX_VALUE)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
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.addComponent(jLabel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
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.addComponent(jLabel2, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
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.addComponent(jTextField1)
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.addComponent(jPasswordField1, javax.swing.GroupLayout.DEFAULT_SIZE, 132, Short.MAX_VALUE))
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.addGap(40, 40, 40))
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.addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
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.addComponent(jLabel3)
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.addContainerGap())))
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);
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layout.setVerticalGroup(
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layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
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.addGroup(layout.createSequentialGroup()
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.addGap(40, 40, 40)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
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.addComponent(jPasswordField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 22, javax.swing.GroupLayout.PREFERRED_SIZE))
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.addGap(18, 18, 18)
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.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
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.addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
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.addComponent(jLabel2))
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.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
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.addComponent(jLabel3)
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.addContainerGap(22, Short.MAX_VALUE))
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);
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pack();
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setLocationRelativeTo(null);
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}// </editor-fold>
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private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {
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this.ip = "74.69.251.12" ;
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if( jTextField1.getText().isBlank() )
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{
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jLabel3.setEnabled( true );
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}
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else
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{
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this.username = jTextField1.getText() ;
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this.done = true ;
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dispose();
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}
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}
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public static void main(String args[]) {
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try {
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for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
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if ("Nimbus".equals(info.getName())) {
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javax.swing.UIManager.setLookAndFeel(info.getClassName());
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break;
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}
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}
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} catch (ClassNotFoundException ex) {
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java.util.logging.Logger.getLogger(LoginDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (InstantiationException ex) {
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java.util.logging.Logger.getLogger(LoginDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (IllegalAccessException ex) {
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java.util.logging.Logger.getLogger(LoginDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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} catch (javax.swing.UnsupportedLookAndFeelException ex) {
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java.util.logging.Logger.getLogger(LoginDEMO.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
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}
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//</editor-fold>
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/* Create and display the form */
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java.awt.EventQueue.invokeLater(new Runnable() {
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public void run() {
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new LoginDEMO().setVisible(true);
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}
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});
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}
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// Variables declaration - do not modify
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private javax.swing.JLabel jLabel1;
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private javax.swing.JLabel jLabel2;
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private javax.swing.JLabel jLabel3;
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private javax.swing.JPasswordField jPasswordField1;
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private javax.swing.JTextField jTextField1;
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// End of variables declaration
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}
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