Program Konversi IP Address ke biner java

Program Konversi IP Address ke biner java

23:19:00

Bagi kita yang pernah belajar tentang jaringan, salah satu yang ada dalam jaringan adalah ip address. IP address tersebut sering kita hitung/konversi ke bentuk biner untuk mencari Network ID, broadcast ataupun menghitung subnetting melalui jaringan. Misal saja kita memiliki IP address : 192.168.10.100

Source Code Konversi IP Address ke biner java


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package com.kurungkurawal.utfbinary;
 
import javax.swing.*;
import javax.swing.border.Border;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
 

public class UTFBinary extends JFrame {
    private final String APP_NAME = "UTF8 <=> Binary Converter";
    public UTFBinary(){
        super();
        setTitle(APP_NAME);
 
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setMinimumSize(new Dimension(300, 240));
 
        buildGUI();
        pack();
        setLocationRelativeTo(null);
        setVisible(true);
    }
 
    private JTextArea txtUtf, txtBin;
    private void buildGUI(){
        Border padd = BorderFactory.createEmptyBorder(5,5,5,5);
 
        JLabel title = new JLabel(APP_NAME);
        title.setHorizontalAlignment(SwingConstants.CENTER);
        title.setBorder(padd);
 
        getContentPane().add(title, BorderLayout.NORTH);
 
        txtUtf = new JTextArea(5,30);
        txtUtf.setBorder(padd);
        txtUtf.setLineWrap(true);
 
        txtBin = new JTextArea(5,30);
        txtBin.setBorder(padd);
        txtBin.setLineWrap(true);
 
        JPanel body = new JPanel();
        body.setBorder(padd);
        body.setLayout(new BoxLayout(body, BoxLayout.X_AXIS));
        body.add(new JScrollPane(txtUtf));
        body.add(Box.createRigidArea(new Dimension(5,0)));
        body.add(new JScrollPane(txtBin));
 
        getContentPane().add(body, BorderLayout.CENTER);
 
        txtBin.addKeyListener(new KeyAdapter() {
            @Override
            public void keyReleased(KeyEvent keyEvent) {
                convertFromBin();
            }
        });
 
        txtUtf.addKeyListener(new KeyAdapter() {
            @Override
            public void keyReleased(KeyEvent keyEvent) {
                convertFromUtf();
            }
        });
    }
 
    private void convertFromUtf(){
        String utf = txtUtf.getText();
        String bin = "";
        try {
            byte[] bytes = utf.getBytes("UTF-8");
            for (byte b : bytes) {
                bin += String.format("%8s", Integer.toBinaryString((int) b)).replace(' ', '0');
            }
        } catch (Exception e){
            e.printStackTrace();
        }
        txtBin.setText(bin);
    }
 
    private void convertFromBin(){
        String bin = txtBin.getText();
        String utf = "";
 
        String tmp;
        int itmp;
        for(int i = 0; i < bin.length() && bin.length() >= 8; i += 8){
            try {
                tmp = bin.substring(i, i + 8);
                itmp = Integer.parseInt(tmp, 2);
                utf += new String(new byte[]{ (byte) itmp }, "utf-8");
            } catch (Exception e){
                break;
            }
        }
 
        txtUtf.setText(utf);
    }
}
Demikian Dalam program ini masih menggunakan prinsip konversi ke biner dari artikel 

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