Jtble not updating using swing worker thread ?

[harshilshah]

I want to update the Jtable when a message is entered. The Jtable does not show any values . I also want to update the Jtable when new values are entered ?
below is the code and snap shot of Image
1.jpg

import java.awt.image.BufferStrategy;
import java.util.Scanner;
 
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.SwingWorker;
import javax.swing.table.DefaultTableModel;
 
 
public class flicker extends JFrame {
	JTable table;            
	DefaultTableModel model = new DefaultTableModel();  
    JButton Acknowledge;      
    JPanel Panel=new JPanel();           
    JScrollPane Pane;       
    JScrollPane Pane1;      
    JScrollPane Pane2;
    String[] Optlist = {"Show Alarm", "Show History", "Report Alarm (PDF)", "Report History (PDF)"};
    JComboBox Options=null;  
 
    BufferStrategy myStrategy;
 
    String p=null;
    String w=null;
	String area=null;
 
    int i,r;   
    String ip,selection,stso,group,message,p1,p2,Sensor;
    static String checkedval;
    static String Name;
    Double Value;
 
    Object data[][]=null;
 
    public flicker(String string) {
		super(string);
 
		  Panel.setLayout(null);
	      getContentPane().add(Panel);    
 
          start();
 
          Pane=new JScrollPane(table);
          Pane.setSize(500,500);
 
          Pane1=new JScrollPane(Acknowledge);
          Pane1.setSize(90,30);
          Pane1.setBounds(0,500,320,30);
 
          Pane2=new JScrollPane(Options);
          Pane2.setBounds(320,500,180,30);
 
 
          Panel.add(Pane);       
          Panel.add(Pane1);
          Panel.add(Pane2);       
 
     	  setSize(520,570);
   	      setDefaultCloseOperation(DISPOSE_ON_CLOSE);      
          setVisible(true);	
	}
 
    private void start() 
    {
     try
        {  
                             final Scanner sc = new Scanner(System.in);
                             SwingWorker<Object, Object> worker = new SwingWorker<Object, Object>() 
                            	 {
                                     @Override
                            	    protected Object doInBackground()
                            	    {       
                                    	 System.out.println("Write message here: ");
                        	  				message=sc.nextLine();
                        	  				System.out.println("Message is: "+message);
                        	  				Object col[] = {"Sensor","Values","Arrival_Time","Status",""};
                        	  				if(!message.equals("ITS EMPTY"))
                        	  				{
                        	  					String[] parts = message.split("\t");
                	  				            data = new Object[parts.length / 4][5];
 
                        	  					for (i = 0, r = 0; r < data.length; r++) 
                        	  					{                        	  						
                    	  						data[r][0] =  parts[i++];
                    	  					   //data[r][1] =  new Double(parts[i++]) ;
                    	  					    data[r][1] =  parts[i++] ;
                    	  					    data[r][2] = parts[i++];
                    	  					    data[r][3] = parts[i++];
                    	  					    p=(String) data[r][3];
                    	  					    w = (String) abc(p);
                    	  					    data[r][4]=Boolean.parseBoolean(w) ;
                    	  					  System.out.println(data[r][4]);
                        	  					}               
                        	  					//System.out.println(java.util.Arrays.deepToString(data));
 
                                          //Display Table     
                        	  				model.setDataVector(data, col);
 
                        	  				 table = new JTable(model)
                                   	        {
                                   	            private static final long serialVersionUID = 1L;
                                   	            @Override
                                   	            public Class getColumnClass(int column) 
                                   	            {
                                   	                switch (column) {
                                   	                    case 0:
                                   	                        return String.class;
                                   	                    case 1:
                                   	                        return String.class;
                                   	                    case 2:
                                 	                        return String.class;
                                   	                    case 3:
                               	                            return String.class;
                                   	                    default:
                                   	                        	return Boolean.class;
                                   	                    }
                                   	               }    
                                   	            };    
                                   	         publish(table);
                            	          }                       	  
                        	  				else
                        	  				{
                        	  					System.out.println("NO TABLE");    
                        	  				}                    	                                         
                        	  				return table;
                            	    }
 
                             protected void process(JTable table)
                             {                                                       	        
                   //   table.setDefaultRenderer(Object.class, new CustomTableCellRenderer3());
 
                     //       table.setPreferredScrollableViewportSize(table.getPreferredSize()); 
                   //  table.getColumnModel().getColumn(4).setCellEditor(new CustomTableCellRenderer(new JCheckBox(),Name));
 
                         model.fireTableDataChanged();
                         table.repaint();
                              }                         
                             };
                   worker.execute();
 
 
        }
     catch(Exception e)
     { 
       System.out.println("Exception Occured:" +e); 
          }   
    }
 
	  private Object abc(String p)
	     {		
		   String val=null;
				if(p.equals("ACK"))
					 {
                   val="true";
					  }
				 else if(p.equals("nil"))
					   {
					     val="false";
					    }
		  return val;
	       }
 
}

[PhHein]

Crossposted: Jtable dosent display anything ?

[copeg]

Duplicate of http://www.javaprogrammingforums.com...ox-jtable.html
Please read the forum rules. Thread locked.