How to generate Sequence Diagrams for existing code

Hi,
I have a web application written in Java/Jsp's. I am looking to generate sequence diagrams automatically for the existing source code using this tool. I am not sure if this is possible using this tool. Can some one please explain me if that is possible using this IDE tool? If so can you please let me know how this can be done?
Any response is greatly appreciated.
Thanks in advance.
Vijay

Hi,
Yes, you can reverse engineer operations and create sequence diagrams using Java Studio Enterprise.
Just right-click on the operation in the UML model that has the source file associated with it, and select "Create Diagram from Selected elements" or "Reverse Engineer Operation".
Thanks!

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Please can someone do a Sequence Diagram for this code

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Bgame extends JFrame implements ActionListener
     Map map;
     Location location = new Location();
     Player[] player = new Player[2];
     int playeri = 0;
     Player playerx;
     Image boardi = null;
     Image bcar = null;
     Image gcar = null;
     JButton spinButton = new JButton("Spin");
     JLabel spun = new JLabel("");
     JButton houseButton = new JButton();
     JButton carButton = new JButton();
     JButton playersButton = new JButton();
     JButton bankButton = new JButton();
public Bgame()
     addWindowListener(new WindowAdapter()
     public void windowClosing(WindowEvent ev)
               dispose();
               System.exit(0);
     setBounds(1,1,800,600);
     getContentPane().setLayout(null);
     loadImages();
     map = new Map(boardi);
     map.setLocation(111,0);
     getContentPane().add(map);
     createCpan();
     player[0] = new Player(bcar,Color.black);
     player[1] = new Player(gcar,Color.green);
     map.add(player[0]);
     map.add(player[1]);
     setVisible(true);
     playerx = player[playeri];
     playerx.spin();
     monitor();
private void monitor()
     Timer timer = new Timer(1000, new ActionListener()
          public void actionPerformed(ActionEvent e)
               if (playerx.hasToGo)
                    //getToolkit().beep();
                    if (spun.getForeground() == playerx.color)
                         spun.setForeground(Color.gray);
                    else spun.setForeground(playerx.color);
                    return;
               if (playerx.hasToSpin)
                    if (spinButton.getBackground() == playerx.color)
                         spinButton.setBackground(Color.lightGray);
                    else spinButton.setBackground(playerx.color);
                    return;
          playeri++;
          if (playeri == 2) playeri = 0;
          playerx = player[playeri];
          playerx.spin();
          spun.setText("");
          spinButton.setEnabled(true);
          spinButton.setBackground(playerx.color);
     timer.start();
private void loadImages()
     boardi = getToolkit().getImage("Game.gif");
     bcar = getToolkit().getImage("blackCar.gif");
     gcar = getToolkit().getImage("blueCar.gif");
     MediaTracker tracker = new MediaTracker(this);
     tracker.addImage(boardi,0);
     tracker.addImage(bcar,0);
     tracker.addImage(gcar,0);
     try {tracker.waitForID(0);}
     catch (InterruptedException e){}
private void createCpan()
     JPanel pan = new JPanel();
     pan.setLayout(null);
     pan.setBounds(0,0,110,500);
     pan.setBackground(Color.pink);
     spinButton.setBounds(10,34,90,30);
     spinButton.addActionListener(this);
pan.add(spinButton);
     spun.setBounds(10,64,90,30);
pan.add(spun);
     getContentPane().add(pan);
public void actionPerformed(ActionEvent e)
     if(e.getSource() == spinButton)
          int spin = (int)(Math.random()*3+1);
          spun.setText("Total spun = "+spin);
          spun.setForeground(playerx.color);
          spinButton.setBackground(Color.lightGray);
          int togo = playerx.location+spin;
          playerx.go(togo,location.getX(togo),location.getY(togo));
          spinButton.setEnabled(false);
public static void main (String[] args)
     new Bgame();
import java.util.*;
public class Location
     Space[] spaces = new Space[29];
public Location()
     spaces[0] = new Space(1,238,135,"Start Career");
     spaces[1] = new Space(2,346,135,"Pay Day");
     spaces[2] = new Space(3,417,135,"Rent a Flat Pay 5,000");
     spaces[3] = new Space(4,492,167,"Raffle Prize Collect 10,000");
     spaces[4] = new Space(5,500,218,"PAY DAY");
     spaces[5] = new Space(6,570,269,"STOP Get Married LIFE");
     spaces[6] = new Space(7,570,344,"Wedding Reception Pay 10,000");
     spaces[7] = new Space(8,517,344,"Extra Tuition Pay 5,000 to Teacter");
     spaces[8] = new Space(9,465,344,"Win Quiz Show Collect 95,000");
     spaces[9] = new Space(10,407,344,"PAY DAY");
     spaces[10] = new Space(11,352,344,"Sponsor Golf Pay 35,000 to Athlete");
     spaces[11] = new Space(12,300,344,"Play a family game LIFE");
     spaces[12] = new Space(13,246,344,"Buy Furniture PAY 10,000");
     spaces[13] = new Space(14,183,344,"Visit in laws LIFE");
     spaces[14] = new Space(15,118,344,"STOP Buy a house");
     spaces[15] = new Space(16,68,344,"PAY DAY");
     spaces[16] = new Space(17,10,356,"Swap Salary Cards with any other player");
     spaces[17] = new Space(18,10,412,"Sponsor an athletee Pay 35,000 to Athlete");
     spaces[18] = new Space(19,61,412,"Taxes Due PAY Accountant");
     spaces[19] = new Space(20,115,412,"Baby Girl LIFE");
     spaces[20] = new Space(21,175,412,"Move to a new city PAY 10,000 to Pilot");
     spaces[21] = new Space(22,235,412,"Help the homeless LIFE");
     spaces[22] = new Space(23,304,412,"Win the Lottery Collect 50,000");
     spaces[23] = new Space(24,369,412,"Art auction Pay 20,000 to Artist");
     spaces[24] = new Space(25,434,412,"Invest in a theatre PAY 5,000 To Actor");
     spaces[25] = new Space(26,489,433,"Taxes Due Pay Accountant");
     spaces[26] = new Space(27,518,470,"PAY DAY");
     spaces[27] = new Space(28,519,529,"Night School PAY 10,000 To Teacher");
     spaces[28] = new Space(29,385,529,"RETIRE");
public int getX(int i)
     return(spaces.x);
public int getY(int i)
     return(spaces[i].y);
public String getText(int i)
     return(spaces[i].txt);
public class Space
     int n,y,x;
     String txt;
public Space(int n, int x, int y, String txt)
     this.n = n;
     this.y = y-82;
     this.x = x+14;
     this.txt = txt;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Map extends JPanel
     Image board;
     JLabel txt = new JLabel("");
public Map(Image i)
     board = i;
     setLayout(null);
     setSize(board.getWidth(null),board.getHeight(null));
     addMouseListener(new MouseAdapter()
          public void mouseReleased(MouseEvent m)
               System.out.println(""+m);
     txt.setBounds(456,04,200,24);
     txt.setBackground(Color.lightGray);
     txt.setOpaque(true);
     add(txt);
public void setText(String s, Color c)
     txt.setText(s);
     txt.setForeground(c);
public void paint(Graphics g)
     super.paint(g);
     g.drawImage(board,0,0,null);
     paintComponents(g);
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.awt.image.BufferedImage;
public class Player extends JLabel
     int location = -1;
     Color color;
     boolean hasToGo = false;
     boolean hasToSpin = false;
     Point sloc;
     int tox,toy;
     int mx,my;
     boolean inPlace = false;
public Player(Image car, Color c)
     super();
     setIcon(new ImageIcon(trans(car)));
     color = c;
     setBounds(10,10,car.getWidth(null),car.getHeight(null));
     if (getWidth() < 1) setSize(40,40);
     addMouseListener(new MouseAdapter()
     {     public void mousePressed(MouseEvent m)
               sloc = getLocation();
               mx = m.getX();
               my = m.getY();
          public void mouseReleased(MouseEvent m)
               if (getBounds().contains(tox,toy)) hasToGo = false;
                    else setLocation(sloc);
               inPlace = false;
               repaint();
     addMouseMotionListener(new MouseMotionAdapter()
     {     public void mouseDragged(MouseEvent m)
               if (! hasToGo) return;
               int x = getX() + m.getX() - mx;
               int y = getY() + m.getY() - my;
               if (x < 0) x = 0;
               if (y < 0) y = 0;
               setLocation(x,y);
               if (getBounds().contains(tox,toy)) inPlace = true;
               else inPlace = false;
               repaint();
public void go(int l ,int x, int y)
     hasToGo = true;
     hasToSpin = false;
     tox = x;
     toy = y;
     location = l;
public void spin()
     hasToSpin = true;
public void paint(Graphics g)
     super.paint(g);
     g.setColor(color);
     if (inPlace)
          g.setColor(Color.red);
          g.fillRect(8,8,16,16);
     else
          g.setColor(color);
          g.drawRect(0,0,36,38);
          g.drawRect(1,1,34,36);
public BufferedImage trans(Image img)
     int w = img.getWidth(null);
     int h = img.getHeight(null);
     if (w < 1) w = 40;
     if (h < 1) h = 40;
     BufferedImage to = new BufferedImage(w,h,BufferedImage.TYPE_4BYTE_ABGR);
     to.getGraphics().drawImage(img,0,0,null);
     int r1 = to.getRGB(0,0);
     for (int x=0; x < w; x++)
          for (int y=0; y < h; y++)
               if (to.getRGB(x,y) == r1) to.setRGB(x,y,0);
     return(to);

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