angent.java

java应用开发详解

import java.io.*;
import java.net.Socket;

class Angent
{

    public Socket socket = null;
    public String userName = null;
    public PrintWriter out = null;
    public BufferedReader in = null;
    
    Angent(Socket theSocket)
    {
        socket = theSocket;     
        try
        {
        	out = new PrintWriter(socket.getOutputStream(), true);
        	in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
        }
        catch(IOException e)
        {
        	e.printStackTrace();
        }
    }
    
    public void close()
    {
    	try
        {
    		in.close();
    		out.close();
    		socket.close();
    	}
    	catch(IOException e)
        {
        }	
    }
    
    public boolean exist() 
    {
    	if(socket!=null&&in!=null&&out!=null&&userName!=null) return true;
    	else return false;
    }
    

}