package text;

import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.TextArea;
import java.awt.TextField;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.*;
import java.net.*;

public class ChatClient extends Frame {
	Socket s = null;
	DataOutputStream dos = null;
	DataInputStream dis = null;
	private boolean bconnection = false;
	private static final long serialVersionUID = 1L;
	TextField tf = new TextField();
	TextArea ta = new TextArea();
	Thread trece = new Thread(new ReceThread());

	public static void main(String args[]) {
		new ChatClient();
	}

	public ChatClient() {
		add(tf, BorderLayout.SOUTH);
		add(ta, BorderLayout.NORTH);
		this.setSize(400, 300);
		pack();
		this.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				disconnect();
				System.exit(0);
			}
		});
		tf.addActionListener(new TFlistener());
		this.setTitle("在线聊天");
		this.setLocationRelativeTo(null);
		this.setVisible(true);
		connect();
		trece.start();

	}

	public void connect() {
		try {
			s = new Socket("localhost", 8888);
			dos = new DataOutputStream(s.getOutputStream());
			dis = new DataInputStream(s.getInputStream());
			System.out.println("connect");
			bconnection = true;
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void disconnect() {

		try {
			dos.close();
			dis.close();
			s.close();
		} catch (IOException e) {
			e.printStackTrace();
		}

		/*
		 * try { bconnection = false; trece.join();
		 * 
		 * 
		 * }catch (InterruptedException e) { e.printStackTrace(); } finally{ try
		 * { dos.close(); dis.close(); s.close(); } catch (IOException e) {
		 * e.printStackTrace(); } }
		 */
	}

	private class TFlistener implements ActionListener {
		public void actionPerformed(ActionEvent e) {
			String str = tf.getText().trim();
			tf.setText("");
			try {
				dos.writeUTF(str);
				dos.flush();
			} catch (IOException e1) {
				e1.printStackTrace();
			}
		}

	}

	public class ReceThread implements Runnable {

		public void run() {
			try {
				while (bconnection) {
					String str = dis.readUTF();
					ta.setText(ta.getText() + str + '\n' + '\n');
				}
			} catch (SocketException e) {
				System.out.println("客户端已经退出");
			}catch (EOFException e){
				System.out.println("退出了――――――baybay！");
			}
			
			catch (IOException e) {
				e.printStackTrace();
			}
		}
	}

}