dialogueclient.java

使用Java实现的聊天室

import java.io.*;
import java.net.*;
import java.util.Vector;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class DialogueClient
{
	public static final int DEFAULT_PORT=4700;
	public static final int MAX_NUMBER=100;
	public static void main(String[] args)
	{
		DialogueClient dc=new DialogueClient();
		dc.go();
	}
		public void go(){
			
		try
		{
			Vector userList=new Vector(MAX_NUMBER);
			Vector chatroomList=new Vector(MAX_NUMBER);
			Socket dgSocket=new Socket("127.0.0.1",DEFAULT_PORT);
			
			PrintStream os=new PrintStream(dgSocket.getOutputStream());
			DataInputStream is=new DataInputStream(dgSocket.getInputStream());
			String name;
			String fromServer;
			String message;

            
            
            
 
            new DialogueMultiClientThread(dgSocket,userList,chatroomList).start();

           
			
		
		}
		catch(UnknownHostException e)
		{
			System.err.println("Trying to connect to unknown host:"+e);
		}
		catch(Exception e)
		{
			System.err.println("Exception:"+e);
		}
	}
}
class DialogueMultiClientThread extends Thread implements WindowListener,ActionListener
{
	 JFrame loginFrame=new JFrame();
	 JLabel ipLabel=new JLabel();
	 JLabel portLabel=new JLabel();
	 JLabel idLabel=new JLabel();
	 JTextField portTextField=new JTextField();
	 JTextField ipTextField=new JTextField();
	 JTextField idTextField=new JTextField();
	 JButton loginButton=new JButton();
	 JButton quitButton=new JButton();
	 
	 JFrame chatroomListFrame=new JFrame();
	 JLabel chatroomListLabel=new JLabel();
	 List chatroomNameList=new List();
	 JButton creatChatroomButton=new JButton();
	 JButton joinChatroomButton=new JButton();
	 JButton quitAllButton=new JButton();
	 JPanel buttonPanel=new JPanel();
	 JTextField creatChatroomTextField=new JTextField();
	 
	 JFrame chatroomFrame=new JFrame();
	 JTextArea chatTextArea=new JTextArea();
	 List userNameList=new List();
	 JTextField chatTextField=new JTextField();
	 JButton sendButton=new JButton();
	 JButton sendToButton=new JButton();
	 JButton kickButton=new JButton();
	 JButton chatButton=new JButton();
	 JButton quitHereButton=new JButton();
	 JButton removeButton=new JButton();
	 JButton acceptChatButton=new JButton();
	 JButton refuseChatButton=new JButton();
	 JButton endChatButton=new JButton();
	 JPanel westPanel=new JPanel();
	 JPanel eastPanel=new JPanel();
	 
	 Socket socket=null;
	 String fromServer;
	 Vector userList;
	 Vector chatroomList;
	 DataInputStream is;
	 PrintStream os;
	 String ownName;
	 String name;
     public DialogueMultiClientThread(Socket socket,Vector userList,Vector chatroomList)
     {
     	this.socket=socket;
     	this.userList=userList;
     	this.chatroomList=chatroomList;
     	try{
     	os=new PrintStream(socket.getOutputStream());
     	is=new DataInputStream(socket.getInputStream());
     }catch(IOException e)
     {}
     }
     public void run()
     {
        ipLabel.setText("Host's IP");
    ipLabel.setBounds(new Rectangle(44, 62, 55, 24));
    loginFrame.getContentPane().setBackground(UIManager.getColor("Table.shadow"));
    loginFrame.setDefaultCloseOperation(JFrame.HIDE_ON_CLOSE);
    loginFrame.setLocale(java.util.Locale.getDefault());
    loginFrame.setResizable(true);
    loginFrame.addWindowListener(this);
    loginFrame.getContentPane().setLayout(null);
    ipTextField.setText("127.0.0.1");
    ipTextField.setBounds(new Rectangle(120, 64, 66, 24));
    ipTextField.addActionListener(this);
    portLabel.setMaximumSize(new Dimension(34, 16));
    portLabel.setText("Host's Port");
    portLabel.setBounds(new Rectangle(240, 64, 67, 25));
    portTextField.setText("4700");
    portTextField.setBounds(new Rectangle(312, 66, 79, 23));
    idLabel.setText("My ID");
    idLabel.setBounds(new Rectangle(45, 151, 68, 23));
    idTextField.setText("");
    idTextField.setBounds(new Rectangle(121, 152, 84, 22));
    quitButton.setBounds(new Rectangle(45, 225, 71, 27));
    quitButton.setActionCommand("Quit");
    quitButton.setText("Quit");
    quitButton.addActionListener(this);
    loginButton.setBounds(new Rectangle(270, 226, 75, 27));
    loginButton.addActionListener(this);
    loginButton.setActionCommand("Join");
    loginButton.setText("OK");
    loginFrame.getContentPane().add(ipLabel, null);
    loginFrame.getContentPane().add(ipTextField, null);
    loginFrame.getContentPane().add(portLabel, null);
    loginFrame.getContentPane().add(idLabel, null);
    loginFrame.getContentPane().add(quitButton, null);
    loginFrame.getContentPane().add(loginButton, null);
    loginFrame.getContentPane().add(portTextField, null);
    loginFrame.getContentPane().add(idTextField, null);
    loginFrame.setSize(500,300);
    loginFrame.setVisible(true);
    
    chatroomListFrame.addWindowListener(this);
    chatroomListLabel.setText("Chatrooms");
    creatChatroomButton.setText("creat");
    creatChatroomButton.addActionListener(this);
    joinChatroomButton.setText("join");
    joinChatroomButton.addActionListener(this);
    quitAllButton.setText("quit");
    quitAllButton.addActionListener(this);
    chatroomListFrame.getContentPane().add(BorderLayout.NORTH,chatroomListLabel);
    chatroomListFrame.getContentPane().add(BorderLayout.CENTER,chatroomNameList);
    creatChatroomTextField.setColumns(10);
    buttonPanel.add(creatChatroomTextField);
    buttonPanel.add(creatChatroomButton);
    buttonPanel.add(joinChatroomButton);
    buttonPanel.add(quitAllButton);
    chatroomListFrame.getContentPane().add(BorderLayout.SOUTH,buttonPanel);
    chatroomListFrame.setSize(500,300);
    
    chatroomFrame.addWindowListener(this);
    chatTextArea.setEditable(false);
    westPanel.setLayout(new BorderLayout());
    westPanel.add(BorderLayout.CENTER,chatTextArea);
    JPanel sendPanel=new JPanel();
    chatTextField.setColumns(10);
    sendPanel.setLayout(new GridLayout(1,3));
    sendButton.setText("send");
    sendButton.addActionListener(this);
    sendToButton.setText("sendto");
    sendToButton.addActionListener(this);
    sendPanel.add(chatTextField);
    sendPanel.add(sendButton);
    sendPanel.add(sendToButton);
    westPanel.add(BorderLayout.SOUTH,sendPanel);
    eastPanel.setLayout(new GridLayout(8,1));
    chatButton.setText("chat");
    chatButton.addActionListener(this);
    acceptChatButton.setText("accept");
    acceptChatButton.addActionListener(this);
    refuseChatButton.setText("refuse");
    refuseChatButton.addActionListener(this);
    endChatButton.setText("end");
    endChatButton.addActionListener(this);
    kickButton.setText("kick");
    kickButton.addActionListener(this);
    removeButton.setText("remove");
    removeButton.addActionListener(this);
    quitHereButton.setText("quit");
    quitHereButton.addActionListener(this);
    eastPanel.add(userNameList);
    eastPanel.add(chatButton);
    eastPanel.add(acceptChatButton);
    eastPanel.add(refuseChatButton);
    eastPanel.add(endChatButton);
    eastPanel.add(removeButton);
    eastPanel.add(kickButton);
    eastPanel.add(quitHereButton);
    chatroomFrame.getContentPane().add(BorderLayout.CENTER,westPanel);
    chatroomFrame.getContentPane().add(BorderLayout.EAST,eastPanel);
    chatroomFrame.setSize(400,600);
    
     	try{
     	DataInputStream is=new DataInputStream(socket.getInputStream()); 
     	while(true)
     	{
     		fromServer=is.readLine();
     		if(fromServer.length()!=0)
     		{
     			if(fromServer.equalsIgnoreCase("loginOK")){ loginFrame.hide();chatroomListFrame.setVisible(true);}
     			else{
     			if(fromServer.equalsIgnoreCase("loginRefuse")) idTextField.setText(is.readLine());
     			else{
     				if(fromServer.equalsIgnoreCase("creatOK")){ chatroomListFrame.hide();chatTextArea.setText(null);chatroomFrame.setVisible(true);}
     				else
     				{
     					if(fromServer.equalsIgnoreCase("creatrefuse")) creatChatroomTextField.setText(is.readLine());
     					else{
     						if(fromServer.equalsIgnoreCase("kickedfromhere")||fromServer.equalsIgnoreCase("removedchatroom")){chatroomFrame.hide();chatroomListFrame.setVisible(true);}
     						else{
     							if(fromServer.equalsIgnoreCase("chatteris")) name=is.readLine();
     							else{
     			if(fromServer.equalsIgnoreCase("userListStart"))
     			{
     			fromServer=is.readLine();
  	  	        while(!fromServer.equalsIgnoreCase("userListEnd"))
  	        	{
  	  	              userList.add(new String(fromServer));
  	  	              fromServer=is.readLine();
  	        	}
  	          	fromServer=is.readLine();
                while(!fromServer.equalsIgnoreCase("allListEnd"))
  	        	{
  	         		chatroomList.add(new String(fromServer));
  	        		fromServer=is.readLine();
  	  	        }
  	  	        userNameList.removeAll();
  	        	for(int i=0;i<userList.size();i++)
  	        	{
  	        		String non=(String)userList.get(i);
  	        		if(!non.equalsIgnoreCase("null"));
  	        	    userNameList.add((String)userList.get(i));
  	        }
  	            chatroomNameList.removeAll();
        	  	for(int i=0;i<chatroomList.size();i++)
        	  	chatroomNameList.add((String)chatroomList.get(i));
  	        	userList.removeAllElements();
        	  	chatroomList.removeAllElements();
       		}
     		else chatTextArea.append(fromServer+"\n");
     	}
     	}
     }
  }
     }
  }
}
     }
  }
     catch(IOException e)
     {}
  }
  public void windowClosing(WindowEvent e)
  {
  	if(e.getSource()==loginFrame)
  	System.exit(1);
  	if(e.getSource()==chatroomListFrame||e.getSource()==chatroomFrame)
  	{
  		os.println("quit");
  		os.flush();
  		System.exit(1);
  	}
  }
  public void windowOpened(WindowEvent e)
  {}
  public void windowIconified(WindowEvent e)
  {}
  public void windowDeiconified(WindowEvent e)
  {}
  public void windowClosed(WindowEvent e)
  {}
  public void windowActivated(WindowEvent e)
  {}
  public void windowDeactivated(WindowEvent e)
  {}
  public void actionPerformed(ActionEvent e)
  {
  	if(e.getSource()==loginButton)
  	{
  		ownName=idTextField.getText();
  		os.println(ownName);
  		os.flush();
  		
  	}
  	if(e.getSource()==quitButton)
  	{
  		System.exit(1);
  	}
  	if(e.getSource()==creatChatroomButton)
  	{
  		os.println("creat "+creatChatroomTextField.getText());
  		os.flush();
  	}
  	if(e.getSource()==joinChatroomButton)
  	{
  		os.println("join "+chatroomNameList.getSelectedItem());
  		os.flush();
  		chatroomListFrame.hide();
  		chatTextArea.setText(null);
  		chatTextArea.setText("<"+ownName+">I'm coming!\n");
  		chatroomFrame.setVisible(true);
  }
  if(e.getSource()==quitAllButton)
  {
  	os.println("quit");
  	os.flush();
  	System.exit(1);
  }
  if(e.getSource()==sendButton)
  {
  	os.println(chatTextField.getText());
  	os.flush();
  	chatTextField.setText(null);
  }
  if(e.getSource()==chatButton)
  {
  	os.println("chatwith "+userNameList.getSelectedItem());
  	os.flush();
  }
  if(e.getSource()==kickButton)
  {
  	os.println("kick "+userNameList.getSelectedItem());
  	os.flush();
  }
  if(e.getSource()==quitHereButton)
  {
  	os.println("quitFromHere");
  	os.flush();
  	chatroomFrame.hide();
  	chatroomListFrame.setVisible(true);
  }
  if(e.getSource()==sendToButton)
  {
  	os.println("to "+name+":"+chatTextField.getText());
  	os.flush();
  	chatTextField.setText(null);
  }
  if(e.getSource()==removeButton)
  {
  	os.println("remove");
  	os.flush();
  }
  if(e.getSource()==acceptChatButton)
  {
  	os.println("chatAccept");
  	os.flush();
  }
  if(e.getSource()==refuseChatButton)
  {
  	os.println("chatRefuse");
  	os.flush();
  }
  if(e.getSource()==endChatButton)
  {
  	os.println("endChat");
  	os.flush();
  }
}
}