cdma

[hazrulm]

package bengproject; /*

• To change this license header, choose License Headers in Project Properties.u
• To change this template file, choose Tools | Templates
• and open the template in the editor. */ //import com.sun.corba.se.impl.orbutil.graph.Graph;

import java.awt.; import javax.swing.; import java.awt.event.; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.Arrays; import java.util.logging.Level; import java.util.logging.Logger; import java.util.List; /

• @author Hazrul Muhammad / public class CDMA extends JFrame { /*

  • */ private static final long serialVersionUID = 1L; private final JLabel label1, label2, label3; private final JTextField textField1;

  //set up GUI public CDMA() { setTitle("CDMA");

  this.setLayout(new GridLayout(3, 1));
  
  //container.setLayout(new FlowLayout());
  
  JPanel formPanel = new JPanel();
  
  //Construct TextField with default sizing
  textField1 = new JTextField(1);
  formPanel.add(textField1);
  
  TextFieldHandler handler = new TextFieldHandler();
  textField1.addActionListener((ActionListener) handler);
  
  //JLabel constructor with a string argument
  label1 = new JLabel("Enter any character");
  formPanel.add(label1);
  
  //label constructor with string, Icon and alignment arguments
  label2 = new JLabel( "Binary : ?" , SwingConstants.LEFT);
  formPanel.add(label2);
  
  label3 = new JLabel("Decimal Value : ?");
  formPanel.add(label3);

  // System.out.println( binary.);

  List<Integer> dummySignal = new ArrayList<Integer>();
  dummySignal.add(1);
  dummySignal.add(1);
  dummySignal.add(-1);
  dummySignal.add(0); 
  dummySignal.add(1);
  dummySignal.add(-1);
  
  GraphPanel graph = new GraphPanel();
  graph.setInputSignal(dummySignal);
  
  List<Integer> dummySignal2 = new ArrayList<Integer>();
  dummySignal2.add(1);
  dummySignal2.add(0);
  dummySignal2.add(1);
  dummySignal2.add(0);
  dummySignal2.add(1);
  dummySignal2.add(0);
  dummySignal2.add(1);
  dummySignal2.add(0);
  
  GraphPanel graph2 = new GraphPanel();
  graph2.setInputSignal(dummySignal2);
  
  add(formPanel);
  add(graph);
  add(graph2);
  
  setSize(500,500);
  setLocationRelativeTo(null);
  
  setVisible(true);

  } /**

  • @param args the command line arguments */ public static void main(String[] args) { CDMA application = new CDMA();

  application.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); }

  //private inner class for event handling public class TextFieldHandler implements ActionListener {

  //process text field event
  @Override
  public void actionPerformed(ActionEvent event)
  {
    String string = "";
    byte[] bytes;
    try {
        bytes = string.getBytes("US-ASCII");
    } catch (UnsupportedEncodingException ex) {
        Logger.getLogger(CDMA.class.getName()).log(Level.SEVERE, null, ex);
    }
    //user pressed Enter in JTextField textField1
    if (event.getSource() == textField1)
        string =  event.getActionCommand();
  
   System.out.println("'" + string + "' to US_ASCII: " + Arrays.toString(string.getBytes()));
  
    StringBuilder binary = new StringBuilder();
    for (byte b : string.getBytes())
    {
       int val = b;
       for (int i = 0; i < 8; i++)
       {
          binary.append((val & 128) == 0 ? 0 : 1);
          val <<= 1;
           }
    }
    System.out.println("'" + string + "' to binary: " + binary);
    label3.setText("Decimal : " + Arrays.toString(string.getBytes()));
    label2.setText("Binary : "+ String.valueOf(binary)); 
  }

  } }

[hazrulm]

package bengproject;

import java.awt.*; import java.util.List; import javax.swing.JPanel;

class GraphPanel extends JPanel { /* * / private static final long serialVersionUID = 1L; private List inputSignal; private int HEIGHT = 100; private int INTERVAL = 50;

public GraphPanel() {
    setBackground(Color.WHITE);
    setSize(500, 100);
}

public void setInputSignal(List<Integer> inputSignal) {
    this.inputSignal = inputSignal;
}

private void drawInputSignal(Graphics2D g2d) {
    int x = 0;
    int y;
    int oldY = 0;

    for(Integer i : inputSignal) {
        y = getHeight(i);

        // code for drawing vertical lines
        if (x > 0) {
            g2d.drawLine(x, oldY, x, y);
        }

        oldY = y;

        g2d.drawLine(x, y, x + INTERVAL, y);

        x += INTERVAL;
    }
}

private int getHeight(int value) {
    switch(value) {
        case 1:
            return HEIGHT;
        case 0:
            return HEIGHT/2;
        case -1:
            return 0;
    }

    throw new RuntimeException("Invalid value");
}

private void doDrawing(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;

    drawInputSignal(g2d);
}

@Override
public void paintComponent(Graphics g) {
    super.paintComponent(g);
    doDrawing(g);
}

}