java nio demo wing版

package com.wait.nio.client.ui; import java.awt.FlowLayout; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.IOException; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JPanel; import javax.swing.JTextField; import com.wait.nio.client.net.NioClient; /** * * @author wait * @date 2014年12月15日 上午10:55:30 */ public class MainUI { public static final int PORT = 8200; public static final int PLAYER_ID = 1; private static MainUI mainUI; private JFrame frame; private JPanel panel; /** ip */ private JTextField ipText; /** 端口 */ private JTextField portText; /** 连接按钮 */ private JButton connectButton; /** 发送按钮 */ private JButton sendButton; /** 关闭 */ private JButton closeButton; /** 发送内容 */ private JTextField sendText; /** 接收内容 */ private JTextField receiveText; private NioClient nioClient; // static methods... public static MainUI getInstance() { if (mainUI == null) { mainUI = new MainUI(); } return mainUI; } // swt open and run public void open() throws IOException { frame = new JFrame("nio-swing"); frame.setSize(520, 330); panel = new JPanel(); panel.setLayout(new FlowLayout()); frame.add(panel); initLeft(); initMid(); initRight(); initAddListener(); frame.setVisible(true); } // logic methods... public void connSuc() { connectButton.setEnabled(false); sendButton.setEnabled(true); closeButton.setEnabled(true); } public void startConn() { connectButton.setEnabled(true); sendButton.setEnabled(false); closeButton.setEnabled(false); nioClient = null; } // getter and setters... public void setReceivedData(String data) { receiveText.setText(data); } public String getSendData() { String data = sendText.getText(); if (data == null || data.equals("")) { data = "test"; } data = data.trim(); return data; } // private methods... private void initLeft() { // ip JLabel label = new JLabel(); label.setText("ip:"); ipText = new JTextField(15); ipText.setText("127.0.0.1"); panel.add(label); panel.add(ipText); // port label = new JLabel(); label.setText("port:"); portText = new JTextField(); portText.setText(String.valueOf(NioClient.PORT)); panel.add(label); panel.add(portText); // conn connectButton = new JButton(); connectButton.setText("conn"); panel.add(connectButton); // send button sendButton = new JButton(); sendButton.setText("send"); sendButton.setEnabled(false); panel.add(sendButton); // close closeButton = new JButton(); closeButton.setText("close"); closeButton.setEnabled(false); panel.add(closeButton); } private void initMid() { JLabel label = new JLabel(); label.setText("send"); sendText = new JTextField(15); panel.add(label); panel.add(sendText); } private void initRight() { JLabel label = new JLabel(); label.setText("received"); receiveText = new JTextField(15); panel.add(label); panel.add(receiveText); } private void initAddListener() { connectButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if (nioClient == null) { try { int port = Integer.parseInt(portText.getText()); nioClient = new NioClient(port, mainUI); new Thread(nioClient).start(); } catch (IOException e1) { e1.printStackTrace(); } } } }); sendButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { try { sendMsg(); } catch (IOException e1) { e1.printStackTrace(); } } }); closeButton.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { closeConn(); } }); frame.addWindowListener(new WindowAdapter() { @Override public void windowClosed(WindowEvent e) { if (nioClient != null) { nioClient.close(); } System.exit(0); } }); } private void sendMsg() throws IOException { String data = sendText.getText(); if (data == null || data.equals("")) { return; } nioClient.send(); } private void closeConn() { nioClient.close(); } }