loginframe.java

j2se开发的即时聊天系统

package com.wczy.chatroom.clientui;

import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import java.awt.Rectangle;
import java.util.ResourceBundle;

import javax.swing.JOptionPane;
import javax.swing.JTextField;
import javax.swing.JPasswordField;
import javax.swing.JButton;

import com.wczy.chatroom.Protocal;
import com.wczy.chatroom.client.ChatRoomClient;
import java.awt.Dimension;
import java.awt.Point;

public class LoginFrame extends JFrame {

	private static final long serialVersionUID = 1L;

	private JPanel jContentPane = null;

	private JLabel jLabel = null;

	private JLabel jLabel1 = null;

	private JTextField txtNick = null;

	private JPasswordField txtPassword = null;

	private JButton btnLogin = null;

	private JButton btnRegister = null;
	
	private static String serverAddress;

	private static int port;
	
	static{
		ResourceBundle bundle = ResourceBundle.getBundle("net");
		serverAddress = bundle.getString("IP");
		port=Integer.parseInt(bundle.getString("PORT")); 
	}
	
	/**
	 * This is the default constructor
	 */
	public LoginFrame() {
		super();
		initialize();
	}

	/**
	 * This method initializes this
	 * 
	 * @return void
	 */
	private void initialize() {
		this.setSize(254, 156);
		this.setResizable(false);
		this.setContentPane(getJContentPane());
		this.setTitle("登陆");
	}

	/**
	 * This method initializes jContentPane
	 * 
	 * @return javax.swing.JPanel
	 */
	private JPanel getJContentPane() {
		if (jContentPane == null) {
			jLabel1 = new JLabel();
			jLabel1.setBounds(new Rectangle(10, 52, 64, 18));
			jLabel1.setText("密码：");
			jLabel = new JLabel();
			jLabel.setBounds(new Rectangle(9, 13, 64, 18));
			jLabel.setText("用户名：");
			jContentPane = new JPanel();
			jContentPane.setLayout(null);
			jContentPane.add(jLabel, null);
			jContentPane.add(jLabel1, null);
			jContentPane.add(getTxtNick(), null);
			jContentPane.add(getTxtPassword(), null);
			jContentPane.add(getBtnLogin(), null);
			jContentPane.add(getBtnRegister(), null);
		}
		return jContentPane;
	}

	/**
	 * This method initializes txtNick
	 * 
	 * @return javax.swing.JTextField
	 */
	private JTextField getTxtNick() {
		if (txtNick == null) {
			txtNick = new JTextField();
			txtNick.setLocation(new Point(82, 8));
			txtNick.setSize(new Dimension(150, 30));
		}
		return txtNick;
	}

	/**
	 * This method initializes txtPassword
	 * 
	 * @return javax.swing.JPasswordField
	 */
	private JPasswordField getTxtPassword() {
		if (txtPassword == null) {
			txtPassword = new JPasswordField();
			txtPassword.setBounds(new Rectangle(81, 44, 150, 30));
		}
		return txtPassword;
	}

	/**
	 * This method initializes btnLogin
	 * 
	 * @return javax.swing.JButton
	 */
	private JButton getBtnLogin() {
		if (btnLogin == null) {
			btnLogin = new JButton();
			btnLogin.setPreferredSize(new Dimension(60, 30));
			btnLogin.setLocation(new Point(34, 87));
			btnLogin.setSize(new Dimension(60, 30));
			btnLogin.setText("登陆");
			btnLogin.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					if (txtNick.getText().indexOf(Protocal.SEPARATOR) >= 0
							|| txtPassword.getText()
									.indexOf(Protocal.SEPARATOR) >= 0) {
						JOptionPane.showMessageDialog(LoginFrame.this,
								"用户名密码不得包含" + Protocal.SEPARATOR);
						return;
					}
					if (txtNick.getText().trim().length() == 0
							|| txtPassword.getText().trim().length() == 0) {
						JOptionPane.showMessageDialog(LoginFrame.this,
								"用户名密码不得为空");
						return;
					}

					ChatRoomClient client = new ChatRoomClient(serverAddress,
							port);
					ChatRoomFrame chatRoomFrame = new ChatRoomFrame(client,
							txtNick.getText());
					if (client.login(txtNick.getText(), txtPassword.getText())) {
						client.getDataFromServer();
						chatRoomFrame.setVisible(true);
						chatRoomFrame.update(chatRoomFrame.getGraphics());
						LoginFrame.this.dispose();
					} else {
						chatRoomFrame.dispose();
						JOptionPane.showMessageDialog(LoginFrame.this, "登陆失败");
					}

				}
			});
		}
		return btnLogin;
	}

	/**
	 * This method initializes btnRegister
	 * 
	 * @return javax.swing.JButton
	 */
	private JButton getBtnRegister() {
		if (btnRegister == null) {
			btnRegister = new JButton();
			btnRegister.setPreferredSize(new Dimension(60, 30));
			btnRegister.setLocation(new Point(142, 87));
			btnRegister.setSize(new Dimension(60, 30));
			btnRegister.setText("注册");
			btnRegister.addActionListener(new java.awt.event.ActionListener() {
				public void actionPerformed(java.awt.event.ActionEvent e) {
					RegisterFrame registerFrame = new RegisterFrame(serverAddress,port);
					registerFrame.setVisible(true);
				}
			});
		}
		return btnRegister;
	}

} // @jve:decl-index=0:visual-constraint="10,10"