Chat-Applikation/src/client/Client1.java

package client;

import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.TextArea;

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;

import utils.Message;

import javax.swing.JTextField;
import javax.swing.JButton;
import javax.swing.JTextArea;
import java.awt.Color;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.Socket;
import java.net.SocketException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Scanner;
import java.awt.event.ActionEvent;

public class Client1 extends JFrame {

	private static JPanel contentPane;
	JTextField txtMessage;
	private static JTextField txtUsername;
	public static String currentText = " ";
	public static int i = 0;
	public static Object tosend = new Message("Leer", "Leer");
	public static Client1 t1;
	public static Socket socket;
	public static ObjectInputStream obinstr;
	public static ObjectOutputStream oboust;
	public static int j = 0;
	public static JTextArea textArea = new JTextArea();
	public static int k = 0;
	
	public static void main(String[] args) {
		t1 = new Client1();
		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					Client1 frame = new Client1();
					frame.setVisible(true);
				} catch (Exception e) {
					e.printStackTrace();
				}
			} 
		});
		
		
		try {
			start();
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}


	public Client1() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 450, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);
		
		txtMessage = new JTextField();
		txtMessage.setText("Message");
		txtMessage.setBounds(20, 230, 218, 20);
		contentPane.add(txtMessage);
		txtMessage.setColumns(10);
		
		txtUsername = new JTextField();
		txtUsername.setText("Username");
		txtUsername.setBounds(20, 11, 86, 20);
		contentPane.add(txtUsername);
		txtUsername.setColumns(10);
		
		JButton btnSend = new JButton("Send");
		btnSend.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				
				if(j != 0){
				
					String themessage = txtMessage.getText();
					String theusername = txtUsername.getText();
				
					tosend = new Message(theusername, themessage);
					i = 1;
				
					Message temp = new Message(theusername, themessage);
				
					System.out.println("Button pressed");

					setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
					System.out.println(socket.isConnected());
					try{
					try {
						oboust.writeObject(tosend);
						oboust.flush();
					} catch (IOException e) {
					// TODO Auto-generated catch block
						e.printStackTrace();
					}} catch( Exception k){
						print(textArea, "KEINE VERBINDUNG");
					}
        		
					if(temp.getMessage().equals("exit")){
						System.exit(0);
        				}
        		

				}

			}
		});
		
		btnSend.setBounds(264, 229, 79, 23);
		contentPane.add(btnSend);
		
		// HIER PUBLIC GEMACHT
		textArea = new JTextArea(currentText);
		textArea.setLineWrap(true);
		textArea.setForeground(Color.WHITE);
		textArea.setBackground(Color.LIGHT_GRAY);
		textArea.setBounds(20, 42, 323, 176);
		contentPane.add(textArea);
		
		JButton btnStart = new JButton("Start");
		btnStart.addActionListener(new ActionListener() {
			public void actionPerformed(ActionEvent arg0) {
				
				txtUsername.setEditable(false);
				txtUsername.setEnabled(false);
				j = 1;

			}
		});
		btnStart.setBounds(116, 10, 89, 23);
		contentPane.add(btnStart);
		

	
	}
	
	
	
	
	
	public static void print(JTextArea textArea, String asd){
		currentText = asd + "\n" + currentText;

		textArea.setText(currentText);
		//System.out.println("ES FUNKTIONIERT");
		
	}
	
	public static void start() throws IOException, ClassNotFoundException{
		//JTextArea textArea = new JTextArea("BERDAN");
		
		while(j==0){
			try {
				Thread.sleep(10);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}
		
		txtUsername.setEnabled(false);
		
		System.out.println("NOTEDITABLE");
		Scanner scan = new Scanner(System.in);
		
		//HIER PUBLIC GEMACHT
		textArea = new JTextArea(currentText);
		textArea.setLineWrap(true);
		textArea.setForeground(Color.BLACK);
		textArea.setBackground(Color.LIGHT_GRAY);
		textArea.setBounds(20, 42, 323, 176); //Dopplung
		contentPane.add(textArea);
	        
		
		
		try{
			socket = new Socket( "localhost", 1236 );
			oboust = new ObjectOutputStream(socket.getOutputStream());
			obinstr = new ObjectInputStream(socket.getInputStream());
			print(textArea, "VERBINDUNG HERGESTELLT");
		}catch(Exception KeineSocket){
			print(textArea, "SERVER ANTWORTET NICHT");
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			start();
			System.exit(0);
			
		}
	        Object erhalten = null;
	        Message message = new Message("leer", "leer");

	        


	        
	        while(!message.getMessage().equals("exit")){
	        	System.out.println("WHILE");
	        	try{
	        		//System.out.println("hile4");
	        		System.out.println("Nachricht erhalten");
                                erhalten = obinstr.readObject(); //Bleibt hier stehen, bis ein neues Object reinkommt

	        		message = (Message)erhalten;
                                System.out.println("[" + message.getUsername() + "]  " + message.getMessage());
	        		String Ausgeben = message.getTime() + " [" + message.getUsername() + "]  " + message.getMessage();
	        		print(textArea, Ausgeben);
	        		//System.out.println("[CLIENT] NACHRICHT ERHALTEN");
	        	
	        		oboust.flush();

	        		}

	        		catch(SocketException h){
	        			System.out.println(h);
	        			print(textArea, "VERBINDUNGSABBRUCH");
	        			k++;
	        			
	        			try {
							Thread.sleep(2000);
						} catch (InterruptedException e) {
							// TODO Auto-generated catch block
							e.printStackTrace();
						}
	        			
	        			if(k ==5){
	        				k = 0;
	        				start();
	        				System.exit(0);
	        			}
	        			
	        		}
	        		catch(Exception f){
	        			try {
	        				Thread.sleep(1000);
	        				
	        			} catch (InterruptedException e) {
	        				// TODO Auto-generated catch block
	        				e.printStackTrace();
	        			}
	        		} 
	        	
	        }
	        

	        oboust.close();
	        obinstr.close();
	        socket.close();
	        
	        System.exit(0);
	        
	        
	        
	}
}